Saturday, 11 November 2017

Still on Track

The new unified Aberystwyth team had made the perfect start to the season, with two 4-0 wins, and, with a key match against Cardigan A coming up in December, were anxious to continue their good form against Gwyddbwyll.com at Brynamlwg on Tuesday 11 November. Team captain Rudy van Kemenade was planning to rest himself, but, when Brendan-Budok Durand-Le Leduc hadn't appeared by the start time, he took over the top board role. His opponent was his former chess student Iwan Griffiths, a talented player whose grading, well below Rudy's, probably doesn't reflect his true strength. In a Three Knights' Game, Iwan gave up a piece for the attack, and only regained it when the game was entering an ending. With the material balance restored, White still had the advantage, and went on to clinch a fine win. I was also facing a familiar opponent in Owen Llywelyn; I have had White in every one of our many match games, for some reason, and, before tonight, each had been a Caro-Kann. This time he decided to avoid my preparation, and replied e5, leading to a Vienna Gambit. Things were quiet at first but when I picked up a pawn in front of his king, he lashed out with a counter-combination that proved not to work, leading to a quick win for me. Tony Geraghty's opponent, Dylan Jones, in his first match for the club, was also aggressive, sacrificing a piece in a French Exchange, but there was not enough of an attack to justify his boldness. Finally, the Board 4 Queen's Gambit between Ian Finlay and Tegwyn Jones seemed to have reached an inoffensive position when Tegwyn lost on time, but subsequent analysis showed that he had a chance for a win, which would have led to a drawn match. As it is, Aber's 3-1 win keeps us on track for the time being.

[Event "Dyfed League:Aberystwyth-Gwyddbwyll.com"] [Site "?"] [Date "2017.11.07"] [Round "?"] [White "Griffiths, I."] [Black "Van Kemenade, R."] [Result "1-0"] [ECO "C42"] [WhiteElo "1634"] [BlackElo "2040"] [Annotator "Rudy"] [PlyCount "101"] [EventDate "2017.11.06"] 1. e4 e5 2. Nf3 Nf6 3. Nc3 Bb4 4. Bc4 d6 5. d3 c6 6. O-O h6 7. a3 (7. h3 Nbd7 8. Qe2 Nf8 9. d4 Qe7 10. dxe5 dxe5 11. Bd2 g5 12. a3 Bd6 13. Nh2 Ng6 14. Rad1 Nf4 {Cavendish-Van Kemenade, BCF ch W1 PM , Aberystwyth 2014,0-1}) 7... Ba5 8. b4 Bc7 9. Re1 (9. Bb2 O-O 10. Qe2 Bg4 11. h3 Bh5 12. g4 Bg6 13. Nh4 d5 14. Nxg6 fxg6 15. Bb3 Kh7 {Keller-Kettler, Augsburg op 2013,1-0}) 9... Nbd7 10. Bb2 Nf8 (10... O-O $11 {Komodo11}) 11. d4 Qe7 12. h3 (12. Ne2) 12... g5 (12... Ng6 $11 {Komodo11}) 13. dxe5 dxe5 14. Ne2 Nxe4 $6 {an afterthought} (14... g4 15. hxg4 Bxg4 16. Ng3 N6d7 17. Nf5 Qf6 18. Qe2 O-O-O $11 {Komodo11}) (14... Nh5 15. Ng3 Nxg3 (15... Nf4 16. Nf5 Qf6 17. Bxe5 Bxe5 18. Nxe5 Qxe5 19. Nd6+ Ke7 20. Nxf7 $18) 16. fxg3 Ng6 $11 {Komodo11}) 15. Bxe5 (15. Ng3 $18 Nxg3 16. Nxe5 (16. fxg3 f6 $11 {hoped for by Bl}) 16... Be6 17. Ng4 Nd7 18. Bxh8 O-O-O 19. Bb2 Nf5 20. Qf3 $18 {Komodo11}) 15... Bxe5 16. Nxe5 Qxe5 17. Ng3 f5 18. Qh5+ (18. Qd3 Be6 19. Rad1 Kf7 20. Nxe4 fxe4 21. Rxe4 Qf6 22. Bxe6+ Nxe6 23. Qd7+ Qe7 24. Qxe7+ Kxe7 25. Rde1 Rh7 26. Rxe6+ Kd7 $16 {Komodo11}) 18... Kd8 $17 19. Rad1+ (19. Qf7 Bd7 20. Rad1 Kc7 $19) 19... Kc7 (19... Bd7 20. Qf7 Kc7 {as above, avoided by Bl because of} 21. Rxd7+ Nxd7 22. Be6 (22. Rd1 Qe8 (22... Nd6 {is a simplifies to a win for Bl})) 22... Rad8 (22... Qd4 $1 {Komodo11}) 23. Bxf5 ( 23. Nxe4 Rhf8 $1 $19) 23... Qf6 24. Qb3 Nd6 $19 {Komodo11}) 20. Qf7+ Kb6 (20... Bd7 $19 {original idea}) 21. a4 a6 22. a5+ Ka7 $19 23. Rd8 Be6 $6 (23... Ng6 24. Rxh8 Nxh8 25. Qf8 Bd7 (25... Be6 26. Qe7 Qd4 27. Nxe4 Bxc4 28. Nd6 Rb8 29. Qc7 Nf7 {other moves are =} 30. Nxf7 (30. Nc8+ Rxc8 31. Qxc8 Nd6 32. Qd8 Nb5 $15) 30... Bxf7 31. Qxf7 Qxb4 $17) 26. Qxh6 Qc3 27. Rd1 Qxc2 28. Be2 Rd8 29. Nxe4 Qxe2 30. Nc3 Qe7 $19 {Komodo11}) (23... Bd7 24. Rxa8+ Kxa8 25. Bd3 Qc3 26. Rf1 Nd6 27. Qe7 Nc8 28. Qf7 Be6 29. Qc7 f4 (29... Ng6 30. Nxf5 Nf4 31. Ne3 Re8 $19) 30. Ne4 Qxb4 31. Qe5 Rh7 32. Nxg5 Re7 $19 {Komodo11}) (23... Qc3 24. Re3 Qa1+ 25. Kh2 Ng6 26. Rxc8 Raxc8 27. Nxe4 (27. Qxg6 Nxg3 28. Rxg3 Qd4 $19) 27... fxe4 28. Qxg6 Qe5+ 29. Kg1 Rce8 $19 {Komodo11}) 24. Rxa8+ Kxa8 25. Qe8+ (25. Bxe6 Qc3 $1 (25... Nxe6 26. Qxf5 Qxf5 27. Nxf5 N4c5 28. bxc5 (28. Re5 Nd3 29. Rxe6 Nxb4 30. Nxh6 Nxc2 31. Nf7 Rg8 32. Re5 $16)) 26. Re3 (26. Rxe4 fxe4 27. Bc8 Qxb4 28. Bf5 Qd4 29. Qe7 Qd5 30. Bc8 Qb5 31. Bf5 $11 {Komodo11}) 26... Qa1+ 27. Kh2 Nd6 28. Qe7 f4 29. Qd8+ Ka7 30. Ne4 Nd7 (30... Nxe4 31. Qb6+ Kb8 32. Rxe4 $16) 31. Qxd7 fxe3 32. Nxd6 Rb8 33. fxe3 Qe5+ 34. g3 Qxe3 35. Nc8+ Rxc8 36. Qxc8 Qf2+ $11 {Komodo11}) 25... Qb8 $6 {another afterthought} (25... Ka7 26. Nxe4 fxe4 27. Rd1 Ng6 (27... e3 28. Rd8 exf2+ 29. Kh1 Qe1+ 30. Kh2 Bc8 31. Rxc8 Qxe8 32. Rxe8 Ng6 33. Rxh8 Nxh8 34. g3 Nf7 35. Kg2 Ne5 36. Be6 b6 (36... b5 37. Kxf2 c5 38. bxc5 Nc6 39. Bd5 Nxa5 $11) 37. Kxf2 Kb8 (37... Kb7 38. Ke3 c5 39. Ke4 Nc6 40. bxc5 bxa5 41. Bb3 Ne7 42. Ba4 Kc7 43. h4 $16)) 28. Qxe6 Qxe6 29. Bxe6 Nf4 30. Bc4 Rh7 (30... Re8 31. Rd6 h5 32. h4 gxh4 33. Rf6 Nd5 34. Bxd5 cxd5 35. Rf5 d4 36. Rxh5 d3 37. cxd3 exd3 38. Rd5 Re4 39. Rxd3 Rxb4 $11) 31. Rd6 h5 32. Rf6 h4 33. g3 hxg3 34. fxg3 Nxh3+ 35. Kg2 g4 36. Rg6 e3 37. Rxg4 Nf2 38. Rh4 Re7 39. Kf3 $14 {Komodo11}) 26. Qxb8+ Kxb8 27. Bxe6 {both Bl Ns are in danger on the e file} Nxg3 (27... Nxe6 28. Nxf5 N4c5 29. bxc5 Nxc5 30. Re5 Nd7 31. Re7 $16) 28. fxg3 Nxe6 {the B will be more powerful than the N if left} 29. Rxe6 $16 {Bl is left with a passive position & losing a pawn} Rd8 $5 (29... Rh7 30. Rf6 Kc7 31. h4 (31. Rxf5 Rd7 32. h4 Rd4 33. c3 Rc4 34. h5 Rxc3 35. g4 Rc4 36. Rf7+ Kd6 37. Rxb7 (37. Rf6+ Ke5 38. Rxh6 Rxg4 39. Rg6 Rxb4 40. Rxg5+ Kf6 41. Rg6+ Kf7 42. g4 Ra4 {and Bl can hold})) 31... f4 (31... g4 32. h5 Kd8 33. Kf2 Ke7 34. Rg6 Kf8 35. Ke3 Re7+ 36. Kf4 Re4+ 37. Kxf5 Rxb4 38. Rxg4 Rb5+ 39. Kg6 Rxa5 40. Kxh6 $18 {Komodo11}) 32. gxf4 gxh4 33. Kh2 b6 34. axb6+ Kxb6 35. f5 Re7 36. Rxh6 Re4 37. g3 $1 hxg3+ 38. Kxg3 Rxb4 39. Rh4 Rb1 40. Rf4 Rg1+ 41. Kh4 Rg8 42. f6 a5 43. f7 Rf8 44. Kg5 Kb5 45. Kf6 a4 46. Ke7 Rxf7+ 47. Rxf7 $18 a3 48. Kd6 Kb4 49. Ra7 c5 50. Kd5 c4 51. Kd4 c3 52. Kd5 {quickest way to the mate-Nalimov tablebases}) 30. Rxh6 Rd4 (30... g4 31. h4 f4 32. Kh2 (32. gxf4 g3 33. Kf1 Rf8 34. h5 Rxf4+ 35. Ke1 Rxb4 36. Rh8+ Kc7 37. h6 Rh4 38. Ke2 {and the 2 K side pawns will be very fast}) 32... f3 33. gxf3 Rd2+ 34. Kg1 gxf3 35. Rg6 Rxc2 36. h5 Rg2+ 37. Kf1 Rh2 38. h6 Kc7 39. g4 Kd7 40. g5 Ke7 41. Rg7+ Ke6 42. h7 Kf5 43. g6 Kf4 44. Rg8 {Bl is too slow;Komodo11 nudged}) 31. h4 (31. Rf6 Rxb4 32. Rxf5 g4 33. h4 Kc7 34. Rf4 Rb1+ 35. Kh2 Rb5 36. Rxg4 Rxa5 37. Rg7+ Kd8 38. g4 {similar to above note}) 31... f4 {trying toconfuse things} (31... gxh4 32. gxh4 (32. Rxh4 Rd2 33. c4 c5 34. bxc5 Ra2 35. Rh5 Rxa5 36. Rxf5 Ra1+ (36... b5 37. cxb5 axb5 38. Rf6 Kc7 39. Rb6 Ra8 40. Rxb5 $18 {Lomonosov tablebases}) 37. Kh2 $18)) 32. gxf4 (32. c3 Rd1+ 33. Kf2 Rd2+ 34. Kf1 fxg3 35. hxg5 Rf2+ 36. Ke1 Rxg2 37. Rh3 Rh2 38. g6 g2 39. Rg3 $18 {Komodo11}) 32... gxf4 (32... gxh4 33. Rxh4 Rxb4 34. Kf2 Ra4 35. Kf3 Rxa5 36. g4 $18 {Komodo11}) 33. Kf2 (33. c3) 33... Rxb4 34. Kf3 Rc4 35. h5 Rxc2 36. Rf6 (36. Rh8+ Kc7 37. h6 $18 {most accurate, the f pawn is dead anyway, so no need to make extra work killing it}) 36... Rc5 37. h6 Rxa5 (37... Rh5 38. Kxf4 c5 39. g4) 38. h7 Rh5 39. Rf8+ Ka7 ( 39... Kc7) 40. h8=Q Rxh8 41. Rxh8 a5 42. Kxf4 a4 43. g4 a3 44. Rh3 (44. g5 a2 45. Rh1 b5 46. g6 b4 47. g7 b3 48. g8=Q) 44... b5 45. Rxa3+ Kb6 46. g5 b4 47. Rb3 c5 48. g6 Ka5 49. g7 c4 50. g8=Q cxb3 51. Qxb3 1-0 [Event "DyfedLeague: Aberystwyth-Gwyddbwill.com"] [Site "?"] [Date "2017.11.07"] [Round "?"] [White "Francis, Matthew"] [Black "Llywelyn, O."] [Result "1-0"] [ECO "C25"] [WhiteElo "1756"] [BlackElo "1510"] [Annotator "Rudy"] [PlyCount "41"] 1. e4 e5 {normally Owen plays the Caro-Kann, but decided to avoid any sharp variations prepared for him by Matthew} 2. Nc3 Nc6 3. Bc4 Nf6 (3... Bc5 { is dangerous because of} 4. Qg4 Nh6 $2 5. Qxg7 Rf8 6. Qxh6 $18 { Francis-Probert, Dyfed League 2015,1-0}) 4. d3 d6 (4... Be7 5. a3 d6 6. Nge2 Bg4 7. f3 Bd7 8. O-O Na5 9. Ba2 c5 {Francis-Whale, Dyfed Open 2015,1/2-1/2}) ( 4... Na5 {main}) 5. Nge2 (5. f4 {main}) 5... Be7 6. O-O O-O 7. a3 (7. f4) 7... Bg4 (7... Be6 {main}) 8. h3 (8. f3 Be6 (8... Bd7 {more frequent})) 8... Bd7 $146 (8... Bh5 9. Qe1 a6 (9... Bg6 10. f4 exf4 11. Nxf4 Ne5 12. Ba2 Nc6 13. Qf2 {Vavulin-Sychev, Moscow ch blitz 2015,1-0}) 10. f4 {Testa-Pesci, Breschia province ch, Ghedi 2013,1-0}) (8... Be6 $11 {Cloud Engines} 9. Be3 (9. Nd5 a6 10. f4 Bxd5 11. exd5 Nb8 {Mishin-Fazekas, Dresden ZMD op 2012, 1/2-1/2}) 9... Qc8 10. Bxe6 fxe6 11. f4 exf4 12. Nxf4 Qd7 13. Qd2 Rae8 { Lampersberger-Gampersberger, Graz op 1996,1-0}) 9. Be3 $14 Qc8 10. Kh2 { cautious} h6 11. f4 (11. Qd2 $14) 11... exf4 12. Nxf4 Ne5 $11 13. Nfd5 Re8 ( 13... Qd8 14. Bb3 Nxd5 15. Nxd5 Be6 $11 {Komodo11}) 14. Nxf6+ (14. Nxe7+ Rxe7 15. Rxf6 $1 {the Bl pieces are far away from their K} gxf6 16. Nd5 Re6 17. Bxh6 c6 18. Nf4 d5 19. exd5 Rd6 20. Qh5 $18 (20. Qe1 $18 {Komodo11})) 14... Bxf6 15. Bb3 (15. Rxf6 gxf6 16. Qh5 Be6 17. Nd5 Bxd5 18. Bxd5 c6 19. Ba2 d5 20. Rf1 $18 {Komodo11; Wh is virtuall a piece up as the a8 R is totally out of the game. Morover the Bl K side is in tatters}) 15... c6 (15... Be6 16. Rxf6 gxf6 17. Qh5 Bxb3 18. cxb3 c6 19. Rf1 Ng6 20. Rxf6 Re6 21. Rf5 $16) 16. Bxh6 {winning a pawn } (16. Rxf6 $1 {Komodo11} gxf6 17. d4 Ng6 18. Qh5 {threat Qxg6} d5 19. Bxh6 Qc7+ 20. g3 Qd6 21. Rf1 Rac8 22. Rf2 b5 23. e5 $18 Nxe5 (23... fxe5 24. Ne4 $1 $18 {Komodo11}) 24. dxe5 (24. Bf4 Qe6 25. dxe5 fxe5 26. Be3 f5 27. Nxd5 cxd5 28. Rxf5 Qxf5 29. Bxd5+ Kf8 30. Qh6+ Ke7 31. Bg5+ Qxg5 32. Qxg5+ Kd6 33. Qd2 $18) 24... Rxe5 25. Qh4 Qe7 26. Bf4 Re1 27. Bd2 Re5 28. Nd1 $18) 16... Ng4+ { the attempt to confuse backfires on Bl} (16... Qd8 17. Be3 Be6 18. Kg1 $16 { Bl's best try}) 17. hxg4 Bxc3 (17... Bxg4) 18. bxc3 (18. Bxf7+ Kh7 19. bxc3 gxh6 20. Rf6 Re5 21. Qf3 Qh8 22. Bg6+ Kg7 23. Bh5 Be6 24. Rf1 $18 {Komodo11}) 18... gxh6 (18... Be6 19. Be3 Bxb3 20. cxb3 {just leaves Bl a piece down}) 19. Bxf7+ Kh8 (19... Kg7) 20. Qd2 (20. Rf6 $1 Re6 21. Qf3 $18 {Komodo11; Bl is playing a Q & R down}) 20... Kg7 21. Qf4 (21. Qf4 Qd8 22. Bxe8 Bxe8 23. Qf8+ Kh7 24. Rab1 b6 25. Rf6 Bg6 26. Qxd6 {is an easy win; Komodo11}) 1-0 [Event "DyfedLeague:Aberystwyth-Gwyddbwyll.com"] [Site "?"] [Date "2017.11.07"] [Round "?"] [White "Jones, Dylan"] [Black "Geraghty, A."] [Result "0-1"] [ECO "C01"] [WhiteElo "1200"] [BlackElo "1554"] [Annotator "Rudy"] [PlyCount "68"] [EventDate "2017.11.08"] 1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nc3 (4. Bd3 {main}) 4... c6 5. Nf3 Nf6 6. Bd3 Be7 (6... Bd6 {more active}) 7. O-O O-O 8. Re1 (8. h3 {main}) 8... Bg4 9. Bf4 ( 9. h3 {main}) 9... Nbd7 10. a3 $146 {dealing with a potential pin} (10. h3 { deals with an actual one}) 10... Nb6 11. b3 (11. h3) 11... c5 {leads to an isolated d pawn, though unclear as to what advantage wh can make out of it.} ( 11... Bd6 12. Bxd6 Qxd6 13. h3 Bxf3 14. Qxf3 g6 $11 {is more solid}) 12. dxc5 ( 12. h3 Be6 13. dxc5 Bxc5 14. Nb5 Bd7 15. Nbd4 $14 {Komodo11}) 12... Bxc5 13. Qd2 {leads to a slight weakening of the Wh K side- though there are still enough Wh pieces near to shield the K} (13. h3 Bxf3 (13... Bh5 14. Be5 Nfd7 15. g4 Nxe5 16. Rxe5 Bg6 17. Bxg6 fxg6 18. Nxd5 Bd6 19. Re1 Bc5 $11) 14. Qxf3 Bd4 15. Bd2 Rc8 16. Bf5 Ne4 17. Bxe4 dxe4 18. Rxe4 f5 19. Re6 $16 {Komodo11}) 13... Bxf3 14. gxf3 Qd7 (14... Nh5 $11 {Komodo11}) 15. Re5 (15. Kg2 Nh5 16. Bg3 $14 { Komodo11}) 15... a6 (15... g6) 16. Rae1 (16. Ne2) (16. Bh6 Qc6 (16... Ng4 17. fxg4 Qxg4+ 18. Kh1 Qf3+ $11 {peepetual; Komodo11}) 17. Qg5 g6 18. Bxf8 Rxf8 19. Ree1 Bd4 20. Ne2 Bxa1 21. Rxa1 Re8 $15) 16... Bxa3 (16... Qc6) 17. Bf5 (17. Bh6 {Komodo11} g6 (17... Qc6 18. Rg5 g6 (18... Ne8 19. Rxg7+ Nxg7 20. Qg5 Qxc3 21. Re5 Qxe5 22. Qxe5 f6 23. Qc7 Rf7 24. Qxb6 $16) 19. Bxf8 Bxf8 $11 20. Ne2 Bh6 21. f4 Bxg5 22. fxg5 Nh5 23. Nf4 Nxf4 24. Qxf4 Re8 $11 {Komodo11}) (17... gxh6 18. Qxh6 Bc1 19. Rg5+ Bxg5 20. Qxg5+ Kh8 21. Qxf6+ Kg8 22. Re5 {mating- Komodo11})) 17... Qc6 $17 18. Qd3 {avoiding one pin, but there is another as well} (18. Ne2 Bd6 19. Re3 Bxf4 20. Nxf4 a5 $17 {Komodo11}) 18... Bd6 $19 19. Bxh7+ (19. Qd4 Bxe5 20. Rxe5 Rae8 21. Re3 Rxe3 22. fxe3 Re8 $19 {is a little better}) 19... Nxh7 20. Rf5 Bxf4 21. Rxf4 Qh6 (21... Rfe8) 22. Qf5 Qg5+ (22... Rac8 23. Nd1 Rxc2) 23. Kf1 Qh6 (23... Rac8) (23... Qxf5) 24. h4 Qd6 25. h5 Qh6 26. Re7 Nf6 27. Rh4 Rfe8 28. Rxb7 (28. Rxe8+ Rxe8 29. Ne2 Qd2 $19) 28... Qc1+ 29. Kg2 Re1 30. f4 Rg1+ 31. Kf3 d4 (31... Re8 {cuts off the K escape line} 32. Rxb6 Re3+ $1 33. fxe3 Qf1#) 32. Qe5 (32. Ne2 Qf1 33. Nxg1 Re8 {thr Re3 mate}) 32... dxc3 (32... Qxc2 33. Qxd4 Rc8 $19 {Komodo11}) 33. Rxb6 Qd1+ 34. Ke3 (34. Qe2 Qd5+ 35. Ke3 Qe4#) 34... Re1# 0-1 [Event "DyfedLeague: Aberystwyth-Gwyddbwyll.com"] [Site "?"] [Date "2017.11.07"] [Round "?"] [White "Finlay, I."] [Black "Jones, Tegwyn"] [Result "1-0"] [ECO "D35"] [WhiteElo "1354"] [BlackElo "1193"] [Annotator "Rudy"] [PlyCount "49"] [EventDate "2017.11.08"] 1. d4 d5 2. c4 e6 (2... c6 3. Nc3 Nf6 4. e3 {Finlay-Jones, Dyfed League last season 2017, 0-1}) 3. Nc3 Nf6 4. Nf3 (4. Bg5 {main}) 4... Be7 (4... h6 5. e3 c5 {same players, North Dyfed-South Dyfed 2012,1/2-1/2}) (4... c5 5. e3 { Semi-Tarrasch,same players- Dyfed League 2012,0-1 & Dyfed League 2015,1-0}) 5. e3 (5. Bg5 {Pillsbury; brings the B into play outside the pawn chain}) 5... O-O 6. cxd5 exd5 7. Bd3 c6 8. O-O Bg4 9. Be2 (9. h3) 9... Bd6 (9... Nbd7) 10. h3 Bh5 11. Qc2 (11. a3) (11. b3 {both more usual}) 11... Re8 $15 (11... Nbd7) 12. Re1 $146 {Stockfish8} (12. Ng5 Bxe2 13. Qxe2 Nbd7 14. Qc2 (14. Qd3 h6 15. Nf3 Ne4 16. Nd2 f5 17. b3 Qf6 18. Ndxe4 fxe4 19. Qe2 Qg6 20. Bd2 Re6 { Grote-Pomeranets, GER ch U20, Stade 2001,0-1}) 14... h6 15. Nf3 Ne4 16. Nd2 Ndf6 17. Ncxe4 dxe4 18. f3 exf3 19. Rxf3 Qd7 20. Qd3 {Bickmann-Schoebel, Muensterlands Verbandsklasse 2004,1-0}) 12... Nbd7 {the position has been explored by Engines before} (12... Bg6 13. Qb3 b5 $15) 13. Nd2 $15 (13. Nh4 $15 {Komodo11}) 13... Bxe2 (13... Bg6) 14. Rxe2 Qc7 (14... Rc8) 15. e4 $11 dxe4 ( 15... c5 $5 {Komodo11}) 16. Ncxe4 (16. Ndxe4 {is more natural, as it releases the B}) 16... Rad8 17. Nf3 Bf4 {helps Wh develop} (17... Nxe4 18. Rxe4 Rxe4 19. Qxe4 Nf6 20. Qc2 Re8 $15 {the Bl pieces are a bit more active & the Wh pawn on d4 is isolated & immobile}) 18. Bxf4 Qxf4 19. Rae1 Kf8 (19... Rxe4 20. Rxe4 Nxe4 21. Rxe4 Qd6 $11) 20. Qd3 (20. Nxf6 $1 {Komodo11} Nxf6 21. Rxe8+ Nxe8 ( 21... Rxe8 22. Qc5+ Kg8 23. Rxe8+ Nxe8 24. Qe7 Qb8 25. Ne5 Nf6 (25... Nd6 26. Nd7 Nf5 (26... Qc7 27. Qf8#) 27. Qg5 h6 28. Qxf5 $18)) 22. Qxh7 $16) 20... Nxe4 21. Rxe4 Rxe4 22. Rxe4 Qd6 23. Ng5 (23. Qb3 Nb6 24. Ne5 Qd5 25. Qb4+ Qd6 26. Qa5 Ra8 27. Qc5 Qxc5 28. dxc5 Nd5 $11 {Komodo11}) 23... Nf6 {looks natural, but it seems missing a win} (23... h6 $1 24. Nxf7 (24. Nf3 Nc5 $1 {wins an exchange}) 24... Kxf7 25. Qb3+ Qd5 $19 26. Rf4+ Kg8 27. Qxb7 a5 $19 {Komodo11}) 24. Rh4 (24. Re3 $11) 24... Re8 25. g3 {and Bl lost on time, when, according to Komodo11, he has a forced win!.} (25. g3 Qd5 {threatens the N & mate} 26. Nf3 g5 27. Rh6 Kg7 28. h4 Kxh6 29. hxg5+ Kg7 30. gxf6+ Kxf6 $19 {as the exchange should be decisive in the endgame.}) (25. Ne4 Nxe4 26. Rxe4 g6 $11) 1-0

Sunday, 22 October 2017

What's in a Name?

Carmarthen were lacking their strongest player, Gerry Heap, for the match against Aberystwyth at the Emlyn Cafe, Tanygroes, which meant they were comfortably outgraded on all boards. It's not always easy to cash in on such an advantage, but Aber at this early stage of the season, were in dominant form. On top board, Brendan-Budok Durand-Le Leduc, who has the longest name in the league as well as one of its highest gradings, seemed well prepared against David Buttell's Sicilian Dragon. Black's gambit didn't lead to any real attack, and Brendan was able to dominate with his passed pawns, winning on time when resignation must have been close anyway. Rudy van Kemenade, whose name seems almost humdrum in comparison, built a strong kingside attack against Paul Orton's London System, but didn't need to break in for mate as Black lost a piece to a pin and resigned. Julie van Kemenade dominated the centre with her closed line against Robert Narayan-Taylor's Sicilian in a way more characteristic of the open variations. When Black weakened his king's position with g5, the end came quickly. In the evening's third Sicilian, I picked up a piece early on against Wilf Davis, who was playing his first ever competitive match, and despite White's stubborn resistance, went on to close out the game. A second 4-0 victory in succession for Aberystwyth.

Event "Dyfed League:Carmarthen-Aberystwyth"] [Site "?"] [Date "2017.10.18"] [Round "?"] [White "Durand Le Leduc, B."] [Black "Buttell, D."] [Result "1-0"] [ECO "B76"] [WhiteElo "2172"] [BlackElo "1913"] [Annotator "Rudy"] [PlyCount "74"] [EventDate "2017.10.19"] 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 O-O 9. O-O-O d5 10. Qe1 {seemingly a surprise for Bl who has done well against} (10. exd5 Nxd5 11. Nxc6 bxc6 12. Nxd5 (12. Bd4 e5 13. Bc5 Be6 14. Bxf8 Qxf8 { a typical exchange sacrifice for bl square conrtol- Harris-Buttell, S Wales Summer op, Newport 2015,0-1}) 12... cxd5 13. Qxd5 Qc7 14. Qc4 (14. Qxa8 { is too dangerous}) (14. Qc5 Qb7 15. Bd4 Bf5 {Anilkumar-Buttell, 4NCL 2012,0-1}) 14... Qe5 {Rousos-Buttell, EU cup Rhodes 2013,0-1}) (10. Kb1 {is another, played eg in Short-Carlsen, London Classic 2009,1/2-1/2} Nxd4 11. e5 Nf5 12. exf6 Bxf6 13. Nxd5 Qxd5 14. Qxd5 Nxe3 15. Qd3 Nxd1 16. Qxd1 Be6 17. Bb5 { Bullen-Buttell, S Wales Summer op, Newport 2015, 1-0 ; another complex theoretical line.}) 10... e5 {main} (10... e6 11. h4 {alternative} (11. Kb1 Qe7 {Howell-G. Jones,GBR ch ko , London 2016,1-0})) 11. Nxc6 bxc6 12. exd5 cxd5 ( 12... Nxd5 13. Bc4 Be6 14. Ne4 {main alternative, 444 games in chessbase database online}) 13. Bg5 Qa5 {Bl has only managed 2 draws out of 7 with this move} (13... Be6 14. Bc4 Qc7 15. Bxf6 dxc4 16. Bxg7 Kxg7 {70 games, with results favouring Wh; eg Leko-Carlsen,, Miskolc m rapid, 2008, 1/2-1/2}) 14. Bxf6 (14. Nxd5 {preferred by the Cloud Engines} Qxe1 15. Ne7+ Kh8 16. Rxe1 Be6 (16... Nd7 17. h4 $18 {Savelli-Lacoste, FRA corr 1993,1-0}) 17. Bb5 a6 18. Ba4 h6 19. Bd2 $16 {Van der Weide-Molinari, Dieren op , 2001,1-0}) 14... Bxf6 15. Rxd5 (15. Nxd5 {suggested by Rudy, & preferred by the Cloud Engines & players} Qxe1 (15... Qxa2 {was what worried Wh in pm analysis because of a possible wandering Wh K, though Bl would not have contemplated going down this line.} 16. Nxf6+ Kh8 (16... Kg7 17. Qxe5 Kh8 {needed to prevent mate}) 17. Qxe5 { and Bl doesn.t even get the b pawn} Qa1+ 18. Kd2 Rd8+ 19. Ke3 $1 $18 {Komodo11} (19. Bd3 $18 {pmanaysis})) (15... Bg5+ 16. Kb1 (16. f4 Qxe1 17. Rxe1 exf4 $11 { Rubino-Naudier, FRA ch op, Nancy 2013,1/2-1/2}) 16... Qc5 17. Qxe5 Bf5 18. Nf6+ Bxf6 19. Qxc5 Rfc8 20. Qf2 Rxc2 21. Qxc2 Rc8 22. Bd3 $18 {Farkas-Lulic, Split op 2012, 1-0}) (15... Qd8 {considered in pm analysis} 16. h4 h5 17. Bc4 $16 { Djuric-Axionova, EU ch U12 girls, Rimavska Sobota 1996, 0-1}) 16. Nxf6+ Kg7 17. Nh5+ gxh5 18. Rxe1 f6 19. Bd3 (19. Bc4 Bb7 20. Rd1 $18 {Zeldin-Wern, Duesseldorf Nord Cup 2009,1-0}) 19... a5 20. Rd1 $16 {Oksienko-Punin, UKR ch U12, Kiev 1998,1/2-1/2}) 15... Qb4 $14 {Komodo11} (15... Qc7 16. Rd3 Be6 17. Ne4 Bg7 $11 {Cancio Bello Ayes-Solis Luna, Pan-American women, Sao Paulo 2010, 1-0}) 16. Qe4 (16. Rb5 Qd4 17. Ne4 Bg7 18. Rb4 Qd7 19. Kb1 $14 {Komodo11}) 16... Qe7 $11 {Bl has retained some attacking chances on the Q side for the gambitted pawn} (16... Qb6 $11) 17. Rb5 Bf5 18. Qb4 (18. Qb7 Rac8 19. Qxe7 Bxe7 20. Ne4 Rfd8 21. c3 Bxe4 22. fxe4 Bg5+ 23. Kc2 Rd2+ 24. Kb3 Rd1 $11 {Komodo11}) 18... Qxb4 19. Rxb4 Rfc8 (19... Bg5+ 20. Kb1 Rfd8 21. Bc4 Rd4 22. a3 a5 23. Ra4 Kg7 $11 {Komodo11; Bl has 2 Bs & the Wh pieces are still a little bit tangled}) 20. Ne4 Bxe4 (20... Be7 21. Rb7 Kf8 22. Bb5 Rab8 23. Rxb8 Rxb8 24. Bc4 Rc8 25. Bd5 Bd7 26. Rd1 f5 27. Nf2 Bg5+ 28. Kb1 Ke7 29. Nd3 Kf6 $14 {Komodo11}) 21. fxe4 $16 (21. Rxe4 $16) 21... Bg5+ 22. Kb1 Rc5 23. Bc4 a5 24. Ra4 Rd8 25. Bd5 Kg7 26. c4 (26. a3) (26. h4) 26... f5 27. Re1 (27. exf5 gxf5 28. Rf1 Kg6 29. a3 $16 {Komodo11 resorts to Bl giving up an exchange here to get some play}) (27. h4 Be3 28. a3 Bd4 29. b4 $16 {Komodo11}) 27... fxe4 {temporarily winning a pawn because of the backrank threat; however, with the opposite colour Bs, the Bl e pawns can make no further advance. Meanwhile Wh can get two connected passed pawns} 28. a3 (28. Rxe4 $2 Rdxd5 29. cxd5 Rc1#) (28. Bxe4 Rd4 29. b3 Rd2 30. a3 $16 {is possible, but Bl may be able to get some activity}) 28... e3 29. b4 axb4 30. axb4 (30. Ra7+ Kh6 31. axb4) 30... Rcc8 {again Komodo11 suggests Bl should give upan exchange to hold out longer} 31. Ra7+ $18 Kh8 32. b5 Rf8 33. b6 Rb8 34. b7 {tying down the Bl pieces} Bd8 35. c5 (35. Kc2 Bb6 36. Ra8 Kg7 37. Rxb8 Rxb8 38. Rf1 {Komodo11,cuts off the Bl K & prepares tomarch the Wh K up the board. However humans would mostly prefer to not to have to worry about an advanced e3 pawn}) 35... Bc7 36. Rxe3 Rfd8 37. Bf3 (37. Rd3 {Komodo11, who then sheds Bl's other e pawn to gain some space}) 37... Rd4 {and Bl lost on time. However he will soon be reduced to zugzwang as Wh treatens to advance his K up the board} (37... Rd2 38. Ra8 Kg7 39. c6 Kf7 40. Rxb8 Bxb8 41. Ra3 e4 42. Bxe4 Rd4 43. Ra8 Bxh2 44. Bf3 $18 {Komodo11}) (37... Rd4 38. Re4 {Komodo11} (38. Ra8 {considered in pm analysis} Rdd8 39. Kc2 Kg7 40. Rd3 (40. Kc3 Kf6 41. Kc4 Ke7 42. Kb5 Kd7 43. Bg4+ Ke7 44. Kc6 $18 (44. Bc8 $18)) 40... Rd4 41. Be4 Kf7 42. Rxd4 exd4 43. g3 Ke6 44. Kd3 Be5 45. Bc6 Ke7 46. Bd5 Rf8 47. Rc8 Rf1 48. Be4 Rb1 49. c6 Rb3+ 50. Kc4 Rb2 51. c7 $18 {most subsequent moves from Komodo11}) 38... Kg7 39. Kc2 Rdd8 40. Rh4 Rh8 41. Kc3 Rhf8 42. Kc4 Bd8 43. Re4 Bc7 44. Kb5 Rf7 45. Kc6 Kf6 46. Re3 e4 47. g3 h5 (47... exf3 48. Rxf3+ Ke7 49. Rxf7+ Kxf7 50. Kxc7) 48. Bxe4 Re7 49. Rf3+ Kg5 50. Rd3 Be5 51. Rd7 Rbe8 52. Ra8 Re6+ 53. Rd6 Bxd6 54. Rxe8 Rxe8 55. cxd6 Kf6 56. d7 Rd8 57. Bxg6 $18 {Komodo11} ) 1-0 [Event "DyfedLeague:Carmarthen-Aberystwyth"] [Site "?"] [Date "2017.10.18"] [Round "?"] [White "Orton, P."] [Black "Van Kemenade, R."] [Result "0-1"] [ECO "A45"] [WhiteElo "1608"] [BlackElo "2040"] [Annotator "Rudy"] [PlyCount "56"] [EventDate "2017.10.19"] 1. d4 Nf6 2. Bf4 {an old favourite of Tony Geraghty, since taken up by Jobava, now by Carlsen et al} d6 (2... g6 3. e3 Bg7 4. Be2 d5 5. Nd2 O-O 6. Ngf3 b6 7. Ne5 Nfd7 {Orton-Jukes, S Wales Open, Cardiff 2017,0-1}) 3. e3 g6 4. c3 Bg7 5. Nd2 O-O 6. h3 (6. Ngf3 {main, holds up e5 for a move or two}) 6... Nc6 (6... Nbd7) 7. Bd3 (7. Ngf3 {transposes to main}) 7... e5 8. Bh2 (8. dxe5 dxe5 { loses a piece}) 8... Re8 9. dxe5 (9. Qa4 Bd7 10. Qb3 exd4 11. cxd4 Nxd4 12. Qxb7 Bc6 13. Qb4 Nd5 (13... Bxg2) 14. Qa3 Nxe3 15. fxe3 Rxe3+ 16. Kd1 Bxg2 { Mavuso-Fancy, Baku ol 2016,0-1}) 9... dxe5 10. Bc2 {Komodo11, puts a potential e4 under pressure} (10. Bc4 {Deep Fritz13} e4 $15 {Komodo11}) 10... a5 (10... e4) 11. a4 e4 (11... b6 12. Qf3 Bb7 $15 {Deep Fritz13}) (11... Qe7 $15 { Komodo11}) 12. Ne2 Qe7 13. O-O $11 h5 {both restraining & potentially attacking } (13... b6 {both Engines; however Bl was looking at a future Bxh3}) 14. Bb3 { releases the pressure on e4} (14. Nd4 Nxd4 (14... Nb8 15. Qe2 Na6 16. N2b3 $16) 15. exd4 Bf5 16. Re1 Rad8 17. Bg3 c5 18. Nb3 cxd4 19. Nxd4 Qc5 20. Bh4 $14 { Komodo11}) 14... Ne5 15. Bxe5 {this gives Bl the K side possibilies he was looking for} (15. Nd4 $11 {both engines}) 15... Qxe5 16. Qc2 Qg5 (16... h4 17. Rad1 g5 $15 {Komodo11}) 17. Kh1 Ra6 {bringing the R into potential action on the Kside ,aiming for f6 or g6, (similar to a theme in the Budapest). The QB is as wellpaced on c8 as any other square} (17... Qh4 {threat Bxh3 is met by} 18. Nf4 {when} g5 $2 19. g3 $18 {winning Q has also occurred in the Budapest} ( 19. Ng6 $1 {Komodo11 has an even better effect})) 18. Ng3 $11 {Komodo11} (18. Rfd1 {Rudy, allows a N fo f1 to protect the K}) (18. Rad1 $11 {Deep Fritz13}) 18... Qh4 $15 {now Komodo11 changes its mind , having only expected} (18... Qe5 $11) 19. Bc4 {after some thought, bringing the B back to protect against a Ng4} (19. Kg1 Bxh3 {Komodo11} (19... Rd6 20. Rfd1 $11 {Deep Fritz13}) 20. gxh3 Qxh3 21. Ndxe4 Nxe4 22. Nxe4 Qg4+ 23. Ng3 h4 24. Qd1 Qg5 25. Qd5 Qxd5 26. Bxd5 hxg3 27. fxg3 Re7 28. e4 $11) (19. Kh2 {expected by Bl} Re7 {to protect f7 after the f file opens} 20. Rad1 Ng4+ 21. Kh1 $1 (21. Kg1 Nxe3 22. fxe3 Qxg3 $17 { planned by Bl}) 21... Nxe3 (21... Nxf2+ 22. Rxf2 Bxh3 (22... Qxg3 23. Nf1 Qh4 24. Rd8+ Kh7 25. Rxc8 $18) 23. gxh3 Qxh3+ 24. Rh2 Qxg3 25. Nc4 $11 {Komodo11}) 22. fxe3 Bxh3 23. Ndxe4 (23. gxh3 Qxh3+ 24. Kg1 Qxg3+ 25. Kh1 Qh3+ 26. Kg1 Re5 27. Nxe4 Qxe3+ 28. Qf2 (28. Nf2 Rg5+ 29. Kh2 Be5+ 30. Kh1 Qf3#) 28... Qxe4 $19) ) 19... Rd6 (19... Bxh3 $19 {considered, both Engines go for it; though Bl wasn't sure it was clear enough.} 20. Kg1 {both Engines} (20. Bxa6 {in variations that follow neither Engine considers there is much point in Wh taking the exchange.} Bc8+ 21. Kg1 Ng4 22. Rfd1 Qh2+ 23. Kf1 Qxg3 $1 {the point of the Engines play; missed by Bl & in pm analysis} (23... bxa6 24. Ngxe4 (24. Ke2 Qxg2 25. Rf1 (25. Ndxe4 Nxf2 $1 26. Nxf2 Bg4+ 27. Kd2 Qxf2+ 28. Kc1 Qxg3) 25... Nxe3 26. Kxe3 Bh6+ 27. Ke2 e3 $19 {an avalanche of sacrifices difficult for humans to foresee, though once into the situation they might be found by neccesity.}) 24... Bf5 25. Rab1 Bxe4 26. Nxe4 Qh1+ 27. Ke2 Qxg2 28. Rg1 Qxe4 $19 {also seems to work}) 24. fxg3 Nxe3+ 25. Kg1 Nxc2 26. Rac1 Ne3 27. Bb5 c6 28. Be2 Nxd1 29. Rxd1 {and after all that Bl is 2 pawns up ; Komodo11})) 20. Be2 (20. Kh2 Re7 $17 {Komodo11}) 20... g5 {the sacrifice does work, as established in pm analysis; however Bl had now decided that it was better , as Tartakover put it, to sacrifice your opponent's pieces & went for a pawn advance to prize open the K} (20... Bxh3 $1 21. Kg1 (21. gxh3 Qxh3+ 22. Kg1 h4 (22... Rxd2 {Komodo11, is another possibilty, to take pressure off e4, considered by Bl in some of the other variations} 23. Qxd2 h4 24. f4 Qxg3+ 25. Kh1 Re7 $19 26. Bc4 Qh3+ 27. Kg1 Rd7 28. Qg2 Qxe3+ 29. Qf2 Ng4 $19 {Komodo11}) 23. Ngxe4 (23. Nh1 Ng4 24. Bxg4 Qxg4+ 25. Ng3 {Komodo11} (25. Kh2 Be5+ { pm analysis, even worse for Wh}) 25... hxg3 26. f3 Rxd2 27. Qxd2 exf3 $19) 23... Re5 24. Nxf6+ Rxf6 25. f4 Rxe3 26. Rf3 Qg4+ 27. Kf2 Rxf3+ 28. Nxf3 Qg3+ 29. Kf1 h3 30. Bd1 Qxf4 $19 {Komodo11}) 21... Bh6 22. Nc4 Rd5 23. Rfd1 Rg5 24. gxh3 Qxh3 25. Bf1 Qe6 26. Bg2 h4 $19 {Komodo11}) 21. Kg1 g4 22. Ndxe4 (22. hxg4 {holds for longer; both Engines} Nxg4 23. Bxg4 hxg4 24. Rfd1 Rh6 25. Kf1 Be5 26. Ngxe4 (26. Ndxe4 f5 $19) (26. Qxe4 Bd7 $19) 26... f5 27. Nc5 Bd6 28. Qd3 Kf8 29. Qc4 b6 30. Ncb3 Bb7 31. Ke2 Bxg2 $19 {Komodo11; the Wh pieces can scarcely move}) 22... Nxe4 23. Nxe4 Bf5 $19 (23... gxh3 $1 {both Engines- Bl need not worry about his Rs, when he also has a Q & Bs.} 24. g3 (24. Nxd6 hxg2 25. f4 (25. Kxg2 Bh3+ 26. Kh1 cxd6 27. Qd1 {other moves lose the Q} Re6 $19 { mating}) 25... Qh1+ 26. Kf2 gxf1=Q+ 27. Rxf1 Qh4+ 28. Kg1 Qg3+ 29. Kh1 Rxe3 30. Ne4 Qh4+ 31. Kg1 Bh3 32. Rf2 Rg3+ 33. Nxg3 Qxg3+ 34. Kh1 Qxf2 35. Qe4 Bh6 $19) (24. Bf3 hxg2 25. Bxg2 Rg6 26. Ng3 Qg4 27. Qe2 h4 $19) (24. Ng3 hxg2 25. Rfd1 Be5 {and Komodo's best for Wh is to shed a piece to get rid of Qs} 26. Qe4 Bxg3 27. Qxh4 Rxd1+ 28. Rxd1 Bxh4 $19) 24... Qxe4 $19 {Komodo11}) 24. g3 (24. Nxd6 { Iolo,lasts longer , but the 2 Rs (undeveloped as they are) are no match for the Q} Bxc2 {some of Rudy's pm analysis was not possible, because the position here had been mistakenly left with a Blpawn already having taken on h3} 25. Nxe8 Be5 $1 (25... gxh3 26. Nxg7 Kxg7 27. Bf3 hxg2 28. Bxg2 Qg4 29. Kh2 b6 { along the lines of pm analysis; the Rs have both trouble in coordinating & in protecting their Q side pawns}) 26. f4 (26. Rfd1 gxh3 27. Bf3 h2+ 28. Kh1 Bxd1 29. Rxd1 Qxf2 $19) (26. Rac1 Be4 $19) 26... gxf3 27. Rxf3 Kf8 {and the N is lost , leaving Wh with an exposed K side as well} 28. Nf6 Bxf6 29. Raf1 Be5 30. Rxf7+ Ke8 31. R7f2 Bg6 32. Rd1 Bh2+ 33. Kf1 Qxa4 $19 {Komodo11}) 24... Qe7 25. Bd3 (25. Nxd6 {still seems to Wh's best hope according to both Engines} Bxc2 26. Nxe8 Qxe8 27. hxg4 hxg4 28. Bxg4 Qe4 29. Bd1 Bd3 30. Re1 Bc4 31. Rc1 Bd5 32. f3 Qg6 33. Kf2 Qh6 34. Rg1 Be5 35. Rc2 Qh2+ 36. Kf1 (36. Rg2 Bxg3+) 36... Bc4+ 37. Be2 Be6 38. g4 Bd6 $19 {the Bs keepnudging the pawns forward,so that the Q can harvestthem. Meanwhile the Wh Rs sit and wait helplessly.}) 25... Bxe4 (25... Rxd3 26. Qxd3 Bxe4 $19 {keeps an eye on mating possibilities, but an extra pice will do nicely.}) 26. Bxe4 Qxe4 27. Qxe4 Rxe4 28. hxg4 hxg4 0-1 [Event "DyfedLeague:Carmarthen-Aberystwyth"] [Site "?"] [Date "2017.10.18"] [Round "?"] [White "Van Kemenade, J."] [Black "Narajan-Taylor, R."] [Result "1-0"] [ECO "B23"] [WhiteElo "1752"] [BlackElo "1468"] [Annotator "Rudy"] [PlyCount "56"] [EventDate "2017.10.19"] 1. e4 c5 2. Nc3 e6 3. f4 Nc6 4. Nf3 Nge7 (4... d5 {main}) 5. Be2 (5. d4) (5. Bb5) (5. g3) 5... Ng6 {the N is misplaced here in this variation, as Bl has no control over e5 or f4.} (5... d5) (5... g6) 6. d3 (6. d4 {also possible}) 6... Nd4 (6... Nh4 7. O-O Nxf3+ 8. Bxf3 Be7 9. Qe1 O-O 10. Be3 b6 11. e5 d5 12. exd6 Qxd6 13. f5 $11 {Burnett-Schwerwitz, SCO ch, Edinburgh 2015,1-0}) 7. O-O Nxe2+ {exchanging a N taking 3 moves for a B only used one move , must be helpful to Wh} (7... d5 $11) 8. Nxe2 {aiming for the K side} (8. Qxe2 $16 {Komodo11} d5 9. f5 $18) 8... Qc7 (8... d5 $11 {Komodo11}) 9. Qe1 (9. f5 $16 {Komodo11} Ne5 10. Nxe5 Qxe5 11. c3 b6 12. Bf4 Qf6 13. Ng3 (13. d4 $16) 13... e5 14. Be3 $16) 9... Be7 10. c3 (10. f5) (10. h4) 10... b5 {Bl keeps sniping from the sidelines} ( 10... d5 $11) 11. d4 (11. f5 Ne5 12. Nxe5 Qxe5 13. Bf4 Qf6 14. Ng3 $16 { Komodo11}) 11... Bb7 12. f5 $16 exf5 $2 {its usually best not to open up the centre when your K is still there & you are behind in development} (12... Nf8 13. Bf4 Qb6 14. d5 $16 {the Bl pieces have few lines of activity open}) 13. exf5 $18 Nf8 (13... O-O {may be Bl's best according to Komodo11!} 14. fxg6 fxg6 15. Be3 c4 16. Qg3 $18) 14. Ng3 (14. dxc5 {Komodo11} Qxc5+ 15. Ned4 f6 16. a4 bxa4 17. Rxa4 (17. b3 Qc7 18. Ba3 Qd8 19. Qg3 Kf7 20. Bxe7 Qxe7 21. Rfe1 Qd8 22. Rxa4 $18) 17... Kf7 18. Qe2 $18 (18. Kh1 $18)) 14... f6 15. dxc5 Qxc5+ 16. Be3 Qc7 17. Bd4 (17. Nh5) 17... d6 18. Qf2 (18. Nh5 Rg8 19. a4 $18 {Komodo11}) (18. Ng5 h5 (18... fxg5 19. Bxg7 Rg8 20. f6 $18) 19. Rd1 a6 20. Ne6 Nxe6 21. fxe6 O-O-O 22. Nf5 $18 {Komodo11}) 18... a6 (18... Nd7) 19. Rfe1 $16 (19. Rae1 $18) (19. Nh5 Rg8 20. Nf4 $18) 19... Kf7 20. Re2 (20. Nh5 Nd7 (20... Re8 21. Ng5+ $18) 21. Nxg7 $18) 20... Re8 (20... Nd7 $14) 21. Rae1 Nd7 22. Nh5 g5 $6 { fatally opening up the K side for the Wh pieces to invade} (22... Ne5 {closes the dangerous file but Wh still retains a pull} 23. Qg3 Rhg8 24. Qh3 Rh8 25. Nf4 Qc8 26. Qh5+ Kg8 27. Ne6 Bf8 28. Rd2 $16 {Komodo11}) 23. fxg6+ hxg6 24. Ng5+ Kg8 25. Nxf6+ {the best it seems, after some time allowed for Komodo11.} ( 25. Rxe7 {second best} Rxe7 26. Rxe7 Rxh5 27. Re8+ Kg7 (27... Nf8 28. Qxf6 Rxg5 29. Rxf8+ Kh7 30. Qh8#) 28. Ne6+ Kf7 29. Nxc7 $18) (25. Qxf6 {4th; considered by Julie, but couldn't make it work properly- but it allcomes together neatly for Wh} Nxf6 (25... Rxh5 26. Qg7#) (25... Bxf6 26. Rxe8+ Nf8 27. Nxf6+ Kg7 28. R1e7+ Qxe7 29. Rxe7+ Kh6 30. Nf7+ Kg7 31. Ng4+ Kg8 32. Nfh6+ Rxh6 33. Nxh6#) 26. Nxf6+ Kf8 (26... Bxf6 27. Rxe8+ Kg7 28. R8e7+ Kh6 29. Nf7+ Kh5 30. Rxc7 $18 ) 27. Ne6+ Kf7 28. Nxc7 Bxf6 29. Nxe8 Bxd4+ 30. cxd4 Bc6 31. Nxd6+ Kf8 32. Rf1+ Kg8 33. Rc1 $18 {Komodo11}) (25. Ng7 $1 {3rd; is another plan, a typical odd Engine idea, to save the N on h5- taking then loses the Q.} Rh5 26. Nxe8 Rxg5 27. Nxc7 Rxg2+ 28. Qxg2 Bxg2 29. Rxe7 Bc6 30. R1e6 $18 {Komodo11}) 25... Nxf6 26. Bxf6 (26. Qxf6 {is almost as strong . 'Don't always look at only the most obvious recapture, there may be other moves available' Topalov in a Gibraltar masterclass} Bxf6 27. Rxe8+ Kg7 28. R8e7+ (28. Ne6+ Kf7 29. Nxc7 {winning Q directly is not as strong it seems}) 28... Kh6 (28... Qxe7 29. Rxe7+ Kh6 30. Bxf6) 29. Nf7+ Kg7 30. Rxc7 {as in the Julie idea in note above.}) 26... d5 27. Bxh8 (27. Rxe7 {just as good, Komodo11; but which human would allow the opponent a free sequence of checks?} Qxh2+ 28. Kf1 Qh1+ 29. Qg1 Rxe7 30. Rxe7 Qxg1+ 31. Kxg1 Rh1+ 32. Kxh1 Kf8 33. Rxb7 Ke8 34. Ne6 d4 35. Re7#) 27... Kxh8 ( 27... Qc5 28. Bd4 Rf8 {lasts longer} 29. Rxe7 Qxe7 30. Qh4 Qxe1+ 31. Qxe1 Bc8 32. Qe7 {mating}) 28. Qh4+ (28. Rxe7 $1 Qxe7 (28... Rxe7 29. Qf8#) 29. Rxe7 Rb8 30. Qf6+ Kg8 31. Qg7#) 28... Kg7 {and Bl resigned because his Q is lost However Wh also has a forced mate} (28... Kg7 29. Qh7+ Kf6 30. Re6+ Kf5 (30... Kxg5 31. Rxg6+ Kf5 32. Qf7+ Bf6 33. Qxf6#) 31. Qxg6+ Kg4 (31... Kf4 32. Nh3#) 32. Nf3+ Kf4 33. Qg3+ Kf5 34. Nd4#) 1-0 [Event "DyfedLeague:Carmarthen-Aberystwyth"] [Site "?"] [Date "2017.10.18"] [Round "?"] [White "Davis, Wilf"] [Black "Francis, Matthew"] [Result "0-1"] [ECO "B28"] [WhiteElo "1400"] [BlackElo "1756"] [Annotator "Rudy"] [PlyCount "78"] [EventDate "2017.10.19"] 1. e4 c5 2. Nf3 a6 3. c3 d5 4. exd5 Qxd5 5. Be2 {the second most common move- but it leaves the Bl Q in a strong centralised position, which then extends to the other pices that join her.} (5. d4 {main, stakes a claim for Wh in the centre as well} Nf6 6. Be2 e6 7. O-O Nc6 8. Be3 cxd4 9. cxd4 Be7 10. Nc3 { and Bl has a variety of places to shift the Q to, with chances for both sides}) 5... e5 (5... Nf6 {main} 6. O-O Nc6 7. d4 e6 {then transposes back to note above}) 6. d3 {a bit passive} (6. d4 $14 e4 (6... cxd4 7. O-O (7. cxd4) 7... Nc6 8. Re1 Be7 (8... Be6 9. cxd4 exd4 10. Ng5 {Scifferdecker-Euwe, clock simul 1949,1-0}) 9. cxd4 Nxd4 10. Nxd4 Qxd4 11. Nc3 Qxd1 12. Bxd1 Be6 13. Rxe5 $11 { Paredes-Aguiar, Carris op, Lisbon 2002,1-0}) 7. Ne5 cxd4 8. cxd4 Nc6 9. Bc4 (9. Nxc6 Qxc6 10. Nc3 $16) 9... Bb4+ 10. Nc3 Qxd4 11. Qxd4 Nxd4 12. O-O (12. Nxf7) (12. Bxf7+) 12... Be6 $11 {Albesa-Barata, CADAP email 2007,2007,0-1}) 6... Nc6 7. O-O Nf6 (7... Bg4 8. Qa4 (8. Re1 $14) (8. Na3 $14 {both Komodo11}) 8... Bd7 9. Qc2 Be7 10. Nbd2 b5 11. Ne4 Nf6 12. Rd1 O-O 13. Nfg5 $14 {Sabotic-Rusu, Wld ch tm Silent, Brno 1994,0-1}) 8. Nbd2 Be7 9. Qb3 (9. Nc4 $14 {Wh will lay siege to rge e5 pawn, in a manner following Nimsovitch ( for Bl) with Re1 & Bf1 }) 9... Qxb3 {Komodo11 likes this- Bl keeps a space advantage even withiut Qs. Qs are good attackers, but also can be crucial to a defence, being able to cover several points simultaneously.} 10. axb3 {looks logical, but Komodo11 prefers} (10. Nxb3 O-O 11. d4 $11 (11. Nfd2 $11)) 10... O-O (10... Nd5 11. Nc4 f6 $15 {Komodo11}) 11. c4 {this doesn't feel right- Wh is creating bl square holes} (11. Nc4 Nd7 12. Nfd2 b5 13. Ne3 Bb7 14. Bf3 $11 {Komodo11}) 11... Bf5 $17 {homing in on the weakness at d3, made worse by its companion pawn moving forward} 12. Nh4 (12. Rd1 Rad8 13. Nf1 Rfe8 $17) 12... Be6 13. Ne4 $2 {in his first ever competitive game, Wh tries to eliminate a d3 weakness, but forgets about a dangling N} Nxe4 $19 14. Nf3 (14. dxe4 Bxh4 $19) 14... Nf6 {Bl is a piece up & its a matter of breaking down the opposition bit by bit} (14... Nd6 {sends the N into d4}) 15. h3 Rad8 16. Rd1 e4 (16... Rfe8) 17. dxe4 Rxd1+ ( 17... Nxe4) 18. Bxd1 Nxe4 19. Be3 Rd8 20. Kf1 Nd4 (20... Nb4 21. Rc1 Bf6 { wins the b2 pawn}) 21. Ne1 Bf6 (21... b5 {piles on the pressure against the Bl pawns}) 22. Bc1 {it looks as Wh has reteated all of his pieces to ensure that Bl can't swap any of them off.} Bf5 (22... b5) (22... Bh4 23. Be3 Nf5) 23. Be3 Bg5 24. Bxg5 Nxg5 25. h4 Ne4 26. Kg1 Re8 (26... Nd2 27. Ra3 Re8 28. Nf3 N2xf3+ 29. Bxf3 Re1+ 30. Kh2 Nxf3+ 31. gxf3 Re2 $19 {leaves Wh helpless}) 27. Nf3 h6 28. g4 {trying to see if a piece can be won, but Bl is still in control} Bxg4 29. Nxd4 Bxd1 (29... cxd4 30. Bxg4 $17) 30. Rxd1 cxd4 (30... Rd8) 31. Rxd4 Nf6 32. Kf1 Re4 33. Rd8+ Kh7 34. Rb8 Re7 {no counterplay, thank you} 35. Rd8 Kg6 ( 35... Rd7 36. Rc8 Rd3 37. b4 Rb3 38. b5 axb5 39. c5 Rxb2 {Bl's b pawn is faster, plus Bl has a N}) 36. Rd3 Re4 (36... Kh5) 37. Rg3+ Rg4 38. Rh3 Kh5 39. Re3 Re4 0-1

Saturday, 7 October 2017

Secret Weapon

For the first time in several years, Aberystwyth is only fielding one team in the Dyfed League this year, due to the transport problems which affected us last season. On the plus side, we have acquired a new secret weapon in Brendan-Budok Durand-Le Leduc, whose rating of 2172 makes him the third-strongest player in the league. We were thus able to field a really strong team for the first match of the season, against Steynton B at the Emlyn Cafe, Tanygroes on Wednesday 4 October. There were no fireworks in the early stages of Brendan's top board game against John Miller; a closed Sicilian yielded a level middle-game, which lasted until White allowed a passed pawn and fell into a deadly pin in capturing it. Rudy van Kemenade played the enterprising Tennison Gambit against Gwyn Evans's Scandinavian, and quickly succeeded in disconcerting his opponent, who not only dropped the exchange but allowed a decisive queen invasion. Julie van Kemenade also won material early, picking up a piece against Jonathan Jones by a well-known trick, and then built up patiently for a crushing assault on White's king. Sam Holman's Ruy Lopez against Ray Greenwood began sharply, then reached a tense late middle-game (or early endgame?) in which he was helped by Black blundering a piece, and went on to finish neatly. A clean sweep for Aberyswyth, 4-0.

[Event "Dyfed League:AberystwythA-SteyntonB"] [Site "?"] [Date "2017.10.04"] [Round "?"] [White "Miller, John S"] [Black "Durand Le Leduc, B."] [Result "0-1"] [ECO "B40"] [WhiteElo "1677"] [BlackElo "2172"] [Annotator "Rudy"] [PlyCount "64"] [EventDate "2017.10.05"] 1. e4 c5 2. Nf3 e6 3. Nc3 (3. d4 {main, but Wh prefers to head for a Closed Sicilian variant} cxd4 4. Nxd4 a6 5. Be2 Qc7 6. O-O b5 7. Be3 Bb7 8. f3 Bd6 9. g3 Nf6 10. Bxb5 Bxg3 11. Qd2 Be5 12. Bd3 d5 13. Nc3 dxe4 14. fxe4 Ng4 { Gerfault-Durand Le Ludec, Angers op 2014,0-1}) 3... a6 4. g3 b5 (4... Qc7 5. Bg2 Nc6 6. O-O Nf6 7. d3 Be7 8. Bd2 d6 9. Ng5 h6 10. Nh3 b5 11. f4 Bb7 12. Nf2 O-O 13. Be3 {Miller-Martin Jones, Dyfed League apr 2017,1-0; a strategy discussed in the pm analysis to the present game.}) 5. a3 (5. Bg2 Bb7 6. d3 { main; Wh need not worry about b4 ,which disrupts the Bl Q side pawns}) 5... Bb7 6. d3 Nf6 (6... g6 {was preferred by Bl in pm analysis, to put the bl B on a more active diagonal}) 7. Bg2 Be7 $146 (7... d5 {(Rudy) main; more active; 2-4} 8. e5 {Bl's concern, having to defend against a King's Indian Attack; but 0-2}) 8. O-O (8. e5 Nd5 9. Ne4 $14 {Komodo11}) 8... O-O 9. Bd2 (9. e5 {Cloud Engines} ) (9. Be3 {Brendan} d5 $11 {Rudy}) 9... d6 10. Qe2 (10. Ng5 h6 11. Nh3 Nc6 12. f4 {John} d5 $15 {Komodo11,open centre in response to K side attack.}) (10. Re1 Nbd7 11. e5 $11 {Komodo11} (11. d4 cxd4 12. Nxd4 Ne5 $15)) 10... Nc6 11. Nd1 ( 11. Rae1) 11... Nd4 (11... d5 $15 {Komodo11}) 12. Nxd4 cxd4 13. c3 dxc3 14. Bxc3 $11 Qb6 (14... d5 {Komodo11}) 15. h3 {not necccessary} (15. Ne3) (15. Qe3) 15... a5 16. Qe3 Nd7 17. Qxb6 Nxb6 18. Ne3 (18. Bd4 {Komodo11} Nd7 (18... Na4 19. Nc3 (19. b4 Rfc8 $15) 19... Nc5 (19... Nxb2 20. Nxb5 Nxd3 21. Rfd1 Ne5 22. a4 {Komodo11 considers = as Wh has play for the pawn})) 19. Ne3 $11) 18... Na4 19. f4 (19. d4 Nxc3 20. bxc3 Bc6 21. c4 $11 {Komodo11}) (19. Rab1 $11 {Komodo11 }) 19... Nxc3 20. bxc3 Rac8 $15 {the position now has that slight imbalance in pawn structure that favours the higher rated player in practice} 21. Rfc1 Ba6 22. Bf1 (22. d4 $5) (22. Kf2 $5 {both Komodo11}) 22... Rc7 (22... g6 {creates an escape square for the K}) 23. a4 $11 {eyeing the back rank} Ra8 24. d4 b4 25. Bxa6 Rxa6 {Komodo11} 26. c4 {gives Bl a passed pawn, but maybe Wh gets chances in the centre} (26. Kf2 $11) 26... Rb6 (26... Bf6 27. Rd1 (27. e5 dxe5 (27... Bd8 $17 {Komodo11}) 28. fxe5 Bg5 29. Kf2 f6 $17) 27... e5 28. fxe5 dxe5 29. d5 Be7 $15 {& the Wh centre advance is blocked;Komodo11}) 27. Rab1 b3 { this could wait; the advance can cause disruption in the Wh side,but the pawn might be lost .} (27... h5 {bolt hole for K}) 28. d5 {gives the B a good diagonal,however} (28. e5 dxe5 29. fxe5 f6 $17) (28. Rc3 Rcb7 29. c5 dxc5 30. dxc5 Rb4 31. c6 Rc7 32. Rbxb3 Rxc6 33. Rxc6 Rxb3 34. Rc8+ Bf8 35. Kf2 Rb4 36. Nc4 Rxa4 37. Ne5 Rd4 38. Ke3 Rd1 39. Ke2 Rd4 40. Ke3 $11 {repetition; Komodo11} Rd6 41. Ra8 $11) (28. Kf2 g5 29. Rc3 gxf4 30. gxf4 Rcb7 31. c5 dxc5 32. dxc5 Rc6 33. Kf3 Bxc5 34. Nd1 Rcc7 35. Rbxb3 Bd4 36. Rxb7 Rxb7 37. Rc4 Bg1 38. f5 $11 {Komodo11}) 28... Bf6 29. Nd1 (29. e5 $1 {Komodo11 Bl thought that Wh ought to have tried this- looked at in pm analysis. Wh can get 2 dangerous advanced centre pawns & Bl has to keep a watchful eye on the backrank.} dxe5 ( 29... Be7 30. Rc3 (30. c5 Rxc5 31. Rxc5 dxc5 32. d6 Bd8 33. Kf1 Rb4 34. Ke2 g5 35. Kd3 gxf4 36. gxf4 Kf8 $15) 30... b2 31. Rc2 $14) 30. c5 Rb8 31. c6 Rb6 32. Nc4 Rb8 33. Nd6 $1 exd5 34. Nb5 Re7 35. Rxb3 h6 36. Rc5 exf4 37. gxf4 Rc8 38. Kg2 $16 d4 39. Nd6 Rd8 40. Nf5 Rc7 41. Rb7 Rdc8 42. Rxc7 Rxc7 43. Kf3 $16) 29... Bd4+ $19 30. Kf1 b2 (30... exd5 31. exd5 b2 $19 {Komodo11}) 31. Rc2 (31. Nxb2 Rxb2 $19 (31... Bxb2 32. e5 Rcb7 33. c5 Bxc1 34. Rxb6 Rxb6 35. cxb6 Be3 36. b7 Ba7 $19)) 31... Rb4 32. Nxb2 Rcb7 0-1 [Event "Dyfed League:AberystwythA-SteyntonB"] [Site "?"] [Date "2017.10.04"] [Round "?"] [White "Van Kemenade, R."] [Black "Evans, Gwyn"] [Result "1-0"] [ECO "B01"] [WhiteElo "2028"] [BlackElo "1453"] [Annotator "Rudy"] [PlyCount "57"] [EventDate "2017.10.05"] 1. e4 d5 2. Nf3 {The Tennison Gambit, a relative of the Budapest, & preceding it , dating from1891 against The first Budapest in 1899.. Also known the Lemberg or Lvov Gambit} dxe4 3. Ng5 Nf6 (3... Bf5 4. g4 Bg6 5. Bg2 Nf6 6. Nc3 Nc6 7. Ngxe4 Qd7 $5 8. Nc5 {Van Kemenade-Francis, Dyfed League 2015,1-0}) 4. Bc4 e6 5. Nc3 {the difference between the Tennison & the Budapest is that the c pawn has not adbvanced. giving Bl the possibility of Bc5 , except that this piece itself might come under attack.} Nc6 (5... Be7 6. O-O O-O 7. Re1 Nc6 8. Ncxe4 Nxe4 9. Nxe4 Ne5 10. Bf1 Nd7 11. d4 Nf6 12. Ng5 {Van Kemenade-Garcia, WCPL 2016,0-1 after Wh missed early attacking chances & misplayed a near winning ending with 3 connected passed Q side pawnsfor an exchange}) 6. O-O Bd6 (6... Be7 {simpler, but Bl is responding to a gambit by posting his pices on active squares.}) 7. Re1 (7. Ncxe4 $2 {loses a key pawn} Nxe4 8. Nxe4 Bxh2+ 9. Kxh2 Qh4+ 10. Kg1 Qxe4 {a trap that Bl can also fall into in the Budapest}) 7... O-O (7... Ne5 8. Be2 (8. Bf1) 8... Nc6 9. Bb5 Bd7 10. Ncxe4 O-O 11. Bd3 Nxe4 12. Nxe4 Ne5 13. Be2 Bc6 14. Nxd6 Qxd6 15. d4 $11 {Kinsvater-Harvey,CC Va-N.C.State, 1975,0-1}) 8. Ncxe4 Nxe4 9. Nxe4 Qh4 {attacking, but its the Bl Q that gets into difficulties rather than the Wh K.} 10. g3 {the Wh B can always return to f1 to guard the g2 weakness} Qh3 (10... Qd8 11. d4 e5 12. Nxd6 cxd6 13. dxe5 dxe5 14. Bd5 Qc7 15. c3 $11 (15. Qh5 $11 {though Wh has 2 Bs & a Q side majority for the ending})) 11. Ng5 (11. Bf1 Qf5 12. d4 $14 {original idea, but the text gives Bl more chances of going wrong}) 11... Qf5 12. d4 h6 13. Bd3 Qf6 {missing the detail that attacked Ns can go forward , as well as backwards. However there are possible tactics if the Q moves away from protecting the Bl K.} (13... Qd5 14. Nf3 (14. Nh7 Rd8 15. Bxh6 {the Bl K's shelter is unsafe} Be7 (15... gxh6 16. Nf6+ $18 {wins the Q}) 16. Be4 (16. Bg5 Bxg5 17. Be4 Qxd4 (17... Bh6 $5 18. Bxd5 Rxd5 19. c4 Rxd4 20. Qh5 Kxh7 21. Qxf7 Bd7 22. Rad1 Rd8 $11 {Bl has 3 pieces for the Q}) 18. Nxg5 Qxd1 19. Raxd1 $14) 16... Bg5) 14... Qh5 (14... Nxd4 $2 15. Nxd4 Qxd4 16. Bh7+ {wins the Q}) 15. Be4 (15. Be2 Qg6 16. c3 $14) 15... Bd7 16. c4 f5 17. Bc2 f4 18. Be4 $14) (13... Qa5 14. Nh7 (14. Nf3 Bd7 15. c3 {& the Q is in danger on the Q side, so has to come back}) 14... Rd8 15. Bxh6 $1 {Komodo11; making use of the weakening of the K position & the absence of Bl protectors} gxh6 16. Qg4+ Kh8 17. Qh4 Bf8 18. Nxf8 Qg5 (18... Kg7 19. Nh7 $18) (18... Rxf8 19. Qxh6+ Kg8 20. Qh7#) 19. Qxg5 hxg5 20. Nh7 g4 21. Nf6 $16 {Komodo11}) 14. Nh7 $18 Qe7 {Bl misses that he can get extra pawn for the exchange; however Komodo11 still keeps its eye firmly on the plight of the the Bl K} (14... Qxd4 15. c3 $1 Qd5 (15... Qc5 16. Be3 Qa5 (16... Qd5 17. Nf6+ gxf6 18. c4 Qa5 19. Qg4+ Kh8 20. Bxh6 Rg8 21. Qh4 Rg7 22. Bd2+ $18) 17. Bxh6 $1 $18 Be5 18. Bg5 $1 Re8 19. Qh5 Bd7 20. Nf8 f5 21. Nxd7 $1 $18 {Komodo11})) 15. Nxf8 Kxf8 (15... Qxf8 {is a little better, though Wh will eventually open up the position for the exchange up to count.}) 16. c3 b6 17. Qf3 (17. d5 Ne5 18. Be4 Rb8 19. Bf4 Qf6 20. Bg2 $18 {and is better developed than Bl-Komodo11}) 17... Bb7 18. Be4 (18. Qe4 Qf6 {and the Bl K shelters on e7 after a Qh7}) 18... Qd7 19. b4 {threatens to win a piece} (19. Bf4 {also}) 19... Rb8 (19... a6 20. a4 Rb8 (20... Kg8 21. b5 axb5 22. axb5 Rxa1 23. bxc6 $18 {pm analysis}) 21. b5 {similar to the game}) 20. Qd3 {signalling, but Bl misses it.} (20. a4 a5 21. b5 Nd8 22. Bd2 $18 {Komodo11}) 20... e5 { trying for some activity before the Wh pieces can get going, but the opening of lines must favour Wh's Rs.} (20... Kg8 {pm analysis & Komodo11} 21. Bd2 $18 (21. Bb2 $18 {Komodo11})) 21. b5 Nd8 22. Bxb7 (22. dxe5 {wins a piece immediately, but Wh had a mindset for playing the Q to h7.}) 22... Nxb7 23. dxe5 Nc5 {guarding the Q, however} 24. Qh7 Bxe5 {the win is a matter of preference now} 25. Qh8+ (25. Rxe5 {preferred by Komodo11} f6 26. Rxc5 { the attacked R desperadoes, grabbing what it can before the Q collects the Bl R } bxc5 27. Qh8+ Kf7 28. Qxb8 Qd1+ 29. Kg2 Qd5+ 30. f3 {and Bl has no good checks}) 25... Ke7 26. Rxe5+ (26. Qxg7 Re8 27. Qxe5+ Kd8 28. Qxe8+) (26. Qxb8 Kf6 27. Ba3 Bd6 28. Bxc5 Bxc5 29. Rad1 {are alternatives- Wh wanted rid of the B as more active than Bl's R}) 26... Kf6 (26... Kd6 27. Qxg7 {Rudy} (27. Bf4 $1 {Komodo11} Ne6 28. Rd1+ Ke7 29. Rxd7+ Kxd7 30. Qxb8) 27... Qxb5 28. Qxf7 (28. Qf6+ Kd7 29. Qxf7+ Kc8 30. Re8+ Kb7 31. Qd5+ c6 32. Qf7+ Ka6 33. Rxb8) 28... Qd3 29. Qf6+ Kd7 30. Bf4 $18) 27. Qxb8 Qd1+ (27... Kxe5 {doesn't lose the Q, but again Wh has several ways ahead} 28. Bf4+ (28. Qh8 $1 {Komodo11} Qd1+ ( 28... Kf6 29. Bxh6 Ne6 30. Bxg7+ Nxg7 31. Qh6+ Ke7 32. Qxg7) 29. Kg2 Qd5+ 30. f3 Ke6 31. Bxh6 Kd7 (31... gxh6 32. Re1+ {mating}) 32. Qxg7) 28... Kf6 29. Qxc7 Qxb5 30. Be3 Ne6 31. Qxa7 $18) 28. Kg2 Kxe5 29. Bf4+ 1-0 [Event "DyfedLeague:AberystwythA-SteyntonB"] [Site "?"] [Date "2017.10.04"] [Round "?"] [White "Jones, Jonathan"] [Black "Van Kemenade, Julie"] [Result "0-1"] [ECO "C24"] [WhiteElo "1500"] [BlackElo "1752"] [Annotator "Rudy"] [PlyCount "88"] [EventDate "2017.10.05"] 1. e4 d6 2. Nc3 (2. d4 {main}) 2... e5 (2... Nf6) 3. Bc4 Nf6 4. d3 Be7 5. Bg5 ( 5. f4 {main eg Short-Strikovic, SA Open Cape Town 2015, 1/2-1/2} Nc6 6. Nf3 exf4 7. Bxf4 O-O) 5... Nbd7 (5... Nc6 {main}) (5... c6 {next}) 6. Nd5 $2 { Wh overpresses, missing a standard trick} Nxd5 $19 7. Bd2 (7. Bxe7 Nxe7) (7. Bxd5 Bxg5 {& in both cases Bl retains an extra piece}) 7... N5f6 (7... N5b6 8. Bb3 Nc5 $19 {Komodo11}) 8. Nf3 h6 (8... c6 9. Bb3 d5 {opens up the centre; Komodo11}) 9. Qe2 c6 10. O-O-O b5 (10... d5) 11. Bb3 a5 (11... Nc5) 12. a3 O-O (12... b4 13. a4 Nc5 {Komodo11}) (12... a4 13. Ba2 c5 14. Nh4 Nb8 15. c3 Nc6 16. Kb1 Rb8 17. Rhe1 b4 {Rudy & Komodo11 nudged ( ensures open lines against the Wh K, while not giving Wh anything to aim at on the K side}) 13. Rdg1 b4 ( 13... Nc5 14. Ba2 b4 {Komodo11 & Rudy} 15. Be3 bxa3 16. Bxc5 (16. bxa3 d5 17. Nxe5 Qd6 18. Bd4 Na4 $19 {Komodo11}) 16... axb2+ (16... dxc5 17. bxa3 c4 18. Bxc4 Bxa3+ $17) 17. Kb1 dxc5 18. Nxe5 Qc7 19. f4 c4 20. Nxc4 Rb8 $19) 14. a4 Nb6 (14... Nc5 {Rudy} 15. g4 Nxb3+ 16. cxb3 Nd7 17. Be3 d5 18. Kb1 Ba6 $19 { Komodo11}) 15. h3 (15. g4 {Wh must try open up lines to get anywhere} Nh7 16. h4 Kh8) 15... Nh7 16. g4 Be6 17. h4 Bxb3 18. cxb3 Nd7 19. g5 (19. h5 {to prevent Bl from closing things up with h5, allows a different barricade with} Ng5 {or} (19... Bg5)) 19... h5 20. Nh2 (20. g6 fxg6 21. Rxg6 {opens the G file after all, but then Bl gets plenty of counterplay along the f file} Nhf6 (21... Qe8 22. Rhg1 Rf7 23. Bh6 Bf6 24. Qd1 Nhf8 {and Bl has plenty of spare capacity arounfd her K})) 20... g6 {Bl has now closed up the K side, leaving Wh with few prospects especially for the B} (20... d5 {is Komodo11, who doesn't care much for caution} 21. Qxh5 dxe4 22. dxe4 Nc5 {arguing that an open centre is more than enough to resist any side attack. Humans would prefer to take away Wh counterplay & then leisurely prepare to roll forward in the centre & Q side (which is what happens here)}) 21. f4 exf4 (21... Nc5 {Komodo11} 22. f5 (22. Kc2 exf4 23. Bxf4 d5) 22... Nxb3+ 23. Kb1 Qd7 24. f6 Bd8 25. Be3 Rb8 26. Qd1 Qe6 27. Nf3 Bb6 $19) 22. Bxf4 Qb6 (22... d5) 23. Kb1 Rae8 (23... Rfe8) 24. Rc1 Qb7 25. Nf3 c5 (25... Nc5 26. Ka2 Ne6 27. Be3 c5 {Komodo11}) 26. Rhd1 Nb6 27. Qd2 Rd8 (27... c4) 28. Qe2 Rfe8 29. Nd2 Nf8 {bringing back all the pieces into play before opening up the position. Wh can only sit and wait.} 30. Qf2 Ne6 31. Be3 Bf8 {improving the B position as well} 32. Rf1 Bg7 33. Nf3 {(draw?)} Re7 ( 33... Nd7 34. Qc2 Ne5 {Komodo11}) 34. Rfd1 Rc8 35. Qg3 Rd7 (35... d5) 36. Rc2 d5 {prepares a Q side breakthrough} 37. e5 Rdc7 (37... Nxa4 {Komodo11 as usual goes for an immediate break} 38. Qf2 (38. bxa4 b3 39. Rcc1 Qb4 {and Wh has to give up more material to prevent immediate mate.} 40. Nd2 Qxa4 41. Nxb3 Qxb3 $19) 38... d4 39. Bd2 Nb6 40. Be1 a4 {and the Wh K's shelter is broken open}) 38. Rdc1 Nd7 {stronger now than} (38... Nxa4 {which still works according to Komodo11}) (38... c4 {at once also breaks resistance quickly}) 39. Qf2 Rc6 { to take e5 without allowing a pin by the B, but this is also fine for Bl} ( 39... Nxe5 40. Bf4 Nxd3) (39... c4 $1) 40. Qh2 c4 {the big push has arrived} 41. dxc4 dxc4 42. bxc4 b3 43. Rc3 Qb4 44. Bd2 Qxa4 0-1 [Event "DyfedLeague:AberystwythA-SteyntonB"] [Site "?"] [Date "2017.10.04"] [Round "?"] [White "Holman, Sam"] [Black "Greenwood, Ray"] [Result "1-0"] [ECO "C66"] [WhiteElo "1305"] [BlackElo "1179"] [Annotator "Rudy"] [PlyCount "87"] [EventDate "2017.10.05"] 1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 (3... Nf6 4. O-O Ng4 5. h3 h5 6. d3 (6. c3) (6. d4) 6... Nf6 (6... Bc5 {continues the theme, as frequently played on the Internet by W. Krol.}) 7. Bxc6 dxc6 8. Nxe5 Bd6 9. Nf3 $18 {Orton-Greenwood, Dyfed League 2016,1-0}) 4. O-O Bd7 5. c3 Nf6 6. Re1 Ng4 $146 (6... Be7 {main}) 7. h3 (7. d4 $16 {Bl's 2nd move with the N may be best ignored; Komodo11}) 7... h5 {a sacrifice to enable the h file to open; similar to the Orton game & parallels in Ruy Lopez exchange lines} 8. d4 (8. hxg4 hxg4 9. g3 gxf3 10. Qxf3 Qe7 $15) 8... Qf6 9. d5 Nb8 10. Bxd7+ (10. Qb3 $1 $18 Qd8 11. hxg4 hxg4 12. Ng5 Qf6 13. Be3 (13. Ba4 b5 $11) 13... Qh6 14. Kf1 $18 {Komodo11}) 10... Nxd7 11. hxg4 {Wh may well do better by just ignoring the offered pice & waiting for it to go away} (11. Qb3 Qd8 (11... b6 12. Bg5 Qg6 13. Na3 a6 14. Qc4 Ra7 15. Nc2 $18) 12. Qxb7 $18 {Komodo11}) 11... hxg4 12. Ng5 (12. Nfd2 $1 {Komodo11} Qh4 13. Kf1 Qh1+ 14. Ke2 Qxg2 15. Rg1 Qh3 16. c4 g6 17. Qb3 O-O-O 18. Qxh3 gxh3 19. Nc3 $16) 12... Qh6 $11 13. Nh3 (13. Kf1 {Rudy} Qh5 $1 14. Be3 Be7 15. Nxf7 Kxf7 16. Ke2 g3+ 17. f3 Bg5 18. Na3 Nf6 $11 {Komodo11}) 13... Qh5 (13... Qg6 $1 { Komodo11; transposes to previos note by} 14. Ng5 Qh5 15. Kf1) 14. Re3 gxh3 ( 14... Be7 $1 15. c4 g6 16. Nc3 f5 17. Kf1 gxh3 18. Rxh3 Qxd1+ 19. Nxd1 Rxh3 20. gxh3 Kf7 $17 {Komodo11; Bl has a better pawn structure & slightly better placed pieces} 21. Nc3 Nc5 22. f3 Rh8 23. Kg2 Nd3 24. Be3 Bh4 {and Wh faces several threats}) 15. Qxh5 Rxh5 16. Rxh3 Rxh3 17. gxh3 {here Wh preferred his prospects arguing that the Bl B was an inferior piece, held in by its own pawns & hoping to be able to exchange off his B for the Bl N. However according to Komodo11 Bl can generate more active play than in the game} O-O-O {Not the best, as it removes the K far away. In the nearness of an ending, Ks, like other pieces, are better placed in the centre for activity- the diminution of pieces leaves them less likely to be caught in a mating net.} ( 17... Nc5 $1 18. f3 (18. Nd2 g6 19. b4 Na4 20. c4 a5 $17 {activates the R on the Q side}) 18... Be7 19. Na3 Kd7 20. Be3 Nd3 21. Nc4 Rh8 22. Kg2 Bh4 { is similar to the var at move 14.}) 18. Bg5 {provoking another pawn onto the colour of the the Bl B- but Bl should ignore the provocation} f6 $6 (18... Re8 19. Nd2 Be7 20. Be3 g6 21. Kg2 Rh8 22. Rg1 a6 23. a3 Rh5 $15 {similar to earlier notes}) 19. Be3 $11 b6 (19... Be7 20. Kh2 (20. Bxa7 $2 b6 {traps the B} ) 20... Rh8 21. Nd2 g6 22. Rg1 Nf8 (22... f5 23. Rxg6 f4 24. Bxa7 b6 25. Rg7 Re8 26. Nc4 Kb7 27. Bxb6 Nxb6 $15 {Komodo11; is one of those computer lines in search of a complexity most humans avoid}) 23. f4 exf4 24. Bxf4 Rh5 25. Be3 a6 26. c4 c5 27. b3 Kd7 $11 {Komodo11; & Bl brings the K to f7 when there is little real activity left for either side}) 20. b4 Be7 21. Nd2 Rg8 {a rather passive posting} (21... f5) (21... g6) (21... Rh8) 22. Kh2 g5 (22... g6 { keeps the pawn structure more cohesive & keeps a N out of f5.}) 23. Rg1 (23. Kg3 Rh8 24. Nf3 $14 f5 25. exf5 Nf6 26. c4 Ne4+ 27. Kg2 Rf8 28. Nh2 Rxf5 $11 { Komodo11}) 23... Nf8 24. b5 {closing up the Q side, however this cuts down on Wh options of perhaps a break with c5 eventually. However a5 remains a possibilty} Nd7 25. Nf3 (25. Nf1 Nf8 26. Ng3 Ng6 27. Nf5 {occupying the weak square} Kd7 28. a4 Bd8 29. a5 $14 {Komodo11}) 25... Rh8 26. a4 Kb7 (26... Nf8) 27. c4 (27. Kg3 Rf8 28. a5 bxa5 29. Ra1 Nb6 30. Rxa5 f5 31. exf5 Nxd5 (31... Rxf5 32. c4 Rf7 33. Nd2 $14) 32. Rxa7+ Kb8 (32... Kc8 33. Ra8+ Kd7 34. Rxf8 Bxf8 35. c4 $18) 33. Ra3 Rxf5 34. c4 Nf4 35. Kg4 Rf8 36. Ra2 Rh8 37. Bxf4 gxf4 38. h4 $14 {Komodo11}) 27... Nf8 28. Nd2 (28. a5 $1 Kc8 29. a6 Rh5 30. Ne1 Ng6 31. Nd3 Bf8 32. Nb4 Ne7 33. Rg4 Kd7 34. h4 Ke8 35. Nc6 $16 Nxc6 36. bxc6 Rh8 37. Kg3 gxh4+ 38. Rxh4 Rg8+ (38... Rxh4 39. Kxh4 Be7 40. Kh5 Kd8 (40... Kf7 41. Bxb6 $18) 41. Kg6 $18 {Komodo11})) 28... Ng6 29. f3 {anticipating that Bl will play Nh4, Wh tries to swap it off with his B. However all of the Wh pawns are on wh squares, where the Bl B can't take them; but nore can the Wh B protect them from the Bl N.} (29. a5 Nh4 $11) 29... Nh4 (29... a5 $11 {Komodo11}) 30. Bf2 Ng6 31. Nf1 $6 {Wh has misjudged the position, & has arranged his pieces on squares where they interfere with each other.} (31. Be3 $11) (31. Bg3 { covers both f4 & h4} Rf8 (31... a6 $11) 32. Nf1 {trying to get to f5, but Bl gets in first} f5 33. exf5 Rxf5 34. Nd2 a6 $11 {Komodo11}) 31... Nf4 {now the N can penetrate to Wh's Q side, if it wishes} 32. Rg3 Ne2 (32... Nd3 {Rudy, may be a better try for more than equality} 33. Be3 Nb2 {attacking 2 pawns} 34. Rg2 (34. Nd2 Nxa4 $15) 34... Nxc4 (34... Nxa4 35. Ng3 Nc5 36. Bxc5 dxc5 37. Nf5 Bd6 38. Ra2 Ra8 39. Ra6 $11 {Komodo11; neither side can break through}) 35. Re2 Na5 36. Ng3 Nb3 37. Nf5 Bf8 38. Ra2 a6 39. bxa6+ Kxa6 40. Ra3 Nc5 41. Kg2 $11 { again , it looks like deadlock}) 33. Rg2 Nc3 {given the above note, it looks like Bl's simplest is to force a draw with} (33... Nf4 34. Rg3 Ne2 (34... a5 { also seems drawn, but forcing wh to defend the h3 pawn is easier}) 35. Rg4 Nf4 36. Rg3 $11 (36. h4 Nd3 37. Kg1 a5 38. Ne3 Nb2 39. Nf5 Rh7 40. Kf1 Nxa4 $15)) 34. a5 $16 {fortunately for Wh, there is this resource available} bxa5 (34... Ne2 35. Be3 Nf4 36. Bxf4 gxf4 37. Rg7 Bf8 38. a6+ Kc8 39. Rf7 Kd8 40. Rxf6 $18 {although there are still major technical difficulties in forcing the h pawn through to Q}) 35. Be1 a6 $2 {missing the point of Wh's last move} (35... Na4 36. Ne3 (36. Bxa5 Nc5 37. Ne3 $16) 36... Ra8 (36... Nc5 37. Bxa5 Ra8 38. Nf5 Bd8 39. Bd2 a6 40. bxa6+ Rxa6 41. Be3 Kc8 42. Bxc5 dxc5 43. Kg3 Ra1 44. Rc2 $14 {and Wh is clearly superior, but it will take some time to establish if there really is a win.}) 37. Bxa5 a6 38. bxa6+ Rxa6 39. Be1 Nc5 40. Nf5 Bf8 41. h4 gxh4 42. Rg8 Nd7 43. Rh8 Ra4 44. Nxh4 f5 45. Nxf5 Rxc4 46. Rh7 $16) 36. Bxc3 $18 (36. bxa6+ Kxa6 37. Bxc3) 36... axb5 37. cxb5 Kb6 38. Rb2 (38. Ne3) 38... Ra8 39. Ne3 a4 40. Rb1 (40. Nc4+ Kc5 41. Rb4 a3 42. b6 cxb6 43. Nxb6 Ra7 44. Na4+ Rxa4 45. Rxa4) 40... a3 41. Nc4+ Kc5 (41... Kb7 42. Ra1 $18) 42. Nxa3 $1 Rf8 (42... Rxa3 43. Bb4+) 43. b6 cxb6 (43... c6 44. b7 (44. Bb4+ Kd4 45. dxc6)) 44. Rb5# 1-0

Tuesday, 29 August 2017

New Season

Aberystwyth Chess Club resumes for the new season on Tuesday 5th September. As usual, club nights will be held in the Brynamlwg Tavern on campus at Aberystwyth University, from 7.15 onwards. All welcome. No fee for a first attendance.

Thursday, 17 August 2017

Rudy in Llandudno

Rudy van Kemenade had another good tournament in the British Chess Championships in Llandudno this summer, finishing 3rd= in the Over 65 section. His only defeat was in the first round, in which, he says, he managed to beat himself.

[Event "BCF Seniors 65+"] [Site "?"] [Date "2017.07.30"] [Round "1"] [White "Fisher, C Philip"] [Black "Van Kemenade, R."] [Result "1-0"] [ECO "B07"] [WhiteElo "1729"] [BlackElo "1985"] [Annotator "Rudy"] [PlyCount "65"] [EventDate "2017.07.30"] 1. e4 d6 (1... e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 {same players, Chorley 1983,0-1}) 2. d4 Nf6 3. Nc3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Bg5 {main} (6. Bc4 ) 6... c6 (6... Be6 7. O-O-O+ Nbd7 8. f4 exf4 9. Nf3 h6 10. Bxf4 c6 11. Nd4 Bb4 12. e5) 7. O-O-O+ Kc7 (7... Ke8 {main}) 8. f3 (8. Bc4 Be6 {main}) (8. f4 h6 9. Bxf6 (9. Bh4 Bc5)) 8... Be6 9. Nge2 (9. g3 Nfd7 10. Bh3 Bxh3 11. Nxh3 f6 12. Be3 Bc5 13. Bxc5 {Skapkova-Behul, Tatry op Tatranske Zruby 2005, draw agreed}) (9. Be3 Nbd7 {transposes to several}) (9. f4 {Komodo 8 & 11}) (9. Kb1 {Houdini3 }) 9... Nfd7 (9... h6) (9... b5 10. Kb1 a5) 10. f4 (10. Kb1) 10... f6 11. Bh4 Bc5 (11... b5 {Komodo11}) 12. f5 (12. fxe5 fxe5 13. Ng1 Nf6 14. Bg3 Nbd7 15. Nf3 Be3+ 16. Kb1 Bf4 $15 {Komodo11}) 12... Bf7 $15 13. h3 a5 14. g4 Nb6 (14... b5 $1 {considered & pm analysis} 15. Kb1 (15. Ng3 $2 g5 16. fxg6 hxg6 $19 { pm analysis}) 15... Nb6 16. Nc1 b4 17. N3e2 Nc4 18. b3 Ne3 19. Re1 Nd7 20. Nd3 Be7 $15) 15. Ng3 N8d7 16. Nh5 Rhg8 17. Be2 (17. Kb1) 17... Bd4 $17 {though Bl was wary of perhaps conceding the g file} 18. a3 Bxc3 (18... Nc8 {Komodo; considered & move before} 19. Bd3 b5 20. Ne2 Be3+ 21. Kb1 b4 $17) 19. bxc3 Na4 (19... h6 {Komodo; considered}) 20. Be1 (20. Rd3 {Komodo11} b5 $17 (20... Bc4 21. Rxd7+)) 20... Ndc5 21. Bf3 (21. Ng3) (21. Bd3) 21... Nb6 22. Rg1 (22. Bf2 Nca4 23. Bxb6+ Nxb6 24. g5 Na4 25. gxf6 Bxh5 26. Bxh5 gxf6 27. Rd3 Rad8 28. Re3 Rg2 $17 {Komodo11}) 22... Nc4 23. Bf2 Na4 24. g5 Nxc3 25. Rd3 Nxe4 $19 (25... Bxh5 {original plan, Wh has better than} 26. Bxh5 {his first idea in pm analysis} (26. Rxc3 $1 Bxf3 27. Rxc4 (27. Rxf3 Nd6 28. Rb3 b5 29. gxf6 gxf6 30. Re1 Nc4 $17) 27... b5 28. Rc3 Bxe4 $17) 26... Nxe4 $19 27. Be1 Ncd6 {Komodo11}) 26. Bxe4 Bxh5 27. gxf6 gxf6 28. Rdg3 Bf7 {regretted in pm analysis} (28... Rxg3 29. Rxg3 Rf8 $1 {Komodo11} (29... Rd8 30. Bd3 {stops mate} (30. Bf3 {pm analysis} Bxf3 31. Rxf3 Rd5 $19 {Komodo11})) 30. Bd3 Nd6 31. c4 e4 32. Rg7+ Rf7 33. Rxf7+ Bxf7 34. c5 exd3 35. cxd6+ Kxd6 36. Kd2 Ke5 {Komodo11} (36... Bc4 37. Bd4 Kd5 38. Bxf6 Ke4 39. Bd8 a4 40. f6 b5 $19) 37. Kxd3 Kxf5 38. Bb6 a4 $19 { Komodo11}) 29. Rg7 Nd6 30. Rxh7 (30. Bf3 $17) (30. Bc5 Raf8 $19 {both Komodo11} ) 30... Nxe4 $2 {after consideration( trying to hit the B onf2), & realising at once when picking up the N} (30... Rxg1+ 31. Bxg1 Nxe4 (31... Rg8 32. Bc5 Rf8 33. Bf3 b6 34. Bf2 c5 35. Rh6 Be8 36. Bh4 Bc6 37. Be2 (37. Bxc6 Kxc6 38. Bxf6 Nxf5 39. Rg6 Kd5 $17) 37... Ne4 38. Bf3 Kd6 39. Bxe4 Bxe4 40. Rxf6+ Rxf6 41. Bxf6 Bxf5 42. h4 $11 {opposite colour Bs; Komodo11}) 32. Rxf7+ Kd6 33. Rxb7 Rh8 (33... c5) 34. Bb6 $1 {Bl player} (34. Ra7 Rxh3 35. Rxa5 Rh1 $19) 34... Rxh3 (34... a4 35. Ra7 Nc3 36. Ba5 Ne2+ 37. Kb2 (37. Kd2 Ng3 38. Bb6 Nxf5 39. Rxa4 Rxh3 $17) 37... Nd4 38. Be1 Rxh3 39. Rxa4 Rh8 40. Bf2 Nxf5 41. Rc4 Rc8 42. a4 Kd5 43. Rc5+ Ke6 44. a5 Nd6 45. Be1 Ne4 46. Rc4 f5 47. Ra4 Ra8 48. Kc1 Nc5 49. Ra3 f4 50. Bf2 Na6 $17 {Komodo11}) 35. Bxa5 Kd5 (35... Rxa3 36. Bb4+ $18) 36. Rb3 Rh1+ 37. Kb2 Nc5 (37... Rf1 38. Bb6 Rxf5 39. a4) 38. Rb8 Na4+ 39. Ka2 Rf1 $17 {a very favourable endgame for Bl}) 31. Rxf7+ Kd6 32. Rd1+ {the move missed in thinking at move 30} Nd2 33. Rxd2# 1-0 [Event "GBR Seniors 65+"] [Site "?"] [Date "2017.07.31"] [Round "2"] [White "Van Kemenade, R."] [Black "Bielby, P."] [Result "1-0"] [ECO "C24"] [WhiteElo "1985"] [BlackElo "1916"] [Annotator "Rudy"] [PlyCount "43"] [EventDate "2017.07.31"] 1. e4 e5 2. Bc4 Nf6 3. d3 c6 4. Nf3 d5 (4... Be7) 5. Bb3 Bd6 (5... Bb4+) 6. Nc3 d4 {opens up lines for the KB , allows c3, & gives Wh chances of Nf5-Paul Van der Sterren, FundamentalChess Openings} (6... dxe4) 7. Ne2 Nbd7 (7... O-O) ( 7... c5) 8. c3 (8. O-O Nc5 9. Ng3 {less successful}) 8... c5 (8... dxc3 9. bxc3 {79% for Wh}) 9. O-O {Cloud Engines} (9. Ng5 O-O 10. f4 {considered} h6 11. Nf3 (11. cxd4 hxg5 12. fxe5 Nxe5 13. dxe5 Bxe5 14. Bxg5 Be6 15. Nc3 (15. Bf4 Ng4 16. Bxe5 Nxe5 17. O-O Qxd3 18. Qxd3 Nxd3 19. Bxe6 fxe6 20. b3 b5 $15) 15... Qb6 $15) 11... dxc3 12. bxc3 b5 $15 {Komodo11}) (9. Ng3 $14 {2 draws, 1 win}) 9... h6 {too ambitious} (9... O-O {80% for Wh} 10. Ng3) 10. Nh4 {Komodo11} (10. Ng3 g6 (10... g5 11. Nf5 (11. h4 g4 12. Nh2 $18 {Komodo11}) 11... Bf8 12. Bxg5 hxg5 13. Nxg5 $16 {pm analysis})) 10... Nf8 {positional manouevres, too slow} (10... Nb8 11. cxd4 cxd4 12. f4 $14 exf4 13. Bxf4 g5 $6 14. e5 $18 {Komodo11}) 11. cxd4 cxd4 12. Ba4+ $16 {second idea, this one more powerful than the first} ( 12. Nf5 Bxf5 13. exf5 N8d7 14. Ng3 O-O $11) 12... N8d7 (12... b5 $1 {Komodo11} 13. Bxb5+ Bd7 14. Bxd7+ Qxd7 15. f4 (15. Nf5 Ne6 16. f4 $16) 15... Ne6 16. Nf5 Bb8 17. fxe5 Bxe5 18. Nf4 $16 {Komodo11}) 13. Nf5 $18 Bf8 {Bl is steadily undeveloping} (13... Qb6 14. Nxg7+ Kf8 15. Nf5 {Komodo11}) 14. f4 g6 15. fxe5 gxf5 (15... Ng4 {Komodo11} 16. e6 gxf5 17. exf5 $18 (17. Nf4 h5 18. exf7+ Kxf7 19. Qb3+ Ke8 20. Ng6 $18)) 16. exf6 (16. Rxf5 {considered} Ng8 (16... Ng4 17. Qb3 Rh7 18. e6 fxe6 19. Qxe6+ Qe7 20. Qg6+ Kd8 21. Qxg4 $18 {Komodo11}) (16... a6 17. exf6 b5 {transposes to the game continuation}) 17. Nf4 $1 {pm analysis} Rh7 (17... Ne7 18. Rxf7 $1 {Komodo11} (18. e6 Nxf5 19. exf7+ Kxf7 20. Qh5+ { pm analysis; mating Komodo11})) 18. e6 $18 fxe6 19. Rxf8+ {wins the Q; pm analysis} (19. Qh5+ Ke7 20. Ng6+ Kd6 21. Bf4+ e5 22. Rxe5 Qg5 23. Rxg5+ Ne5 24. Rxe5 Kc7 25. Re7+ Kd8 26. Bc7# {Komodo11})) 16... a6 {best try} (16... fxe4 17. Nxd4 (17. dxe4) (17. Kh1 {all 3 considered}) 17... Bc5 18. Be3 Qb6 19. dxe4 Kf8 20. Rc1 $18 {Komodo11} Rh7 21. Bxd7 Bxd7 22. Rxc5 Qxc5 23. Ne6+ Bxe6 24. Bxc5+ $18) 17. Rxf5 (17. Ng3 b5 18. Bb3 Nxf6 (18... Nc5 19. Bxf7+ Kxf7 20. Qh5+ Ke6 21. Qxf5+ Kf7 22. Qh5+ Ke6 23. f7 Bb7 24. Qf5+ Kd6 25. Bf4+ Kc6 26. Be5 Bc8 27. Qg6+ Be6 28. Bxh8 $18 {Komodo11}) 19. Nxf5 Ra7 (19... Be6 20. Qf3) 20. Qf3 Be6 21. Bxe6 (21. Nh4) 21... fxe6 22. Nh4 Rf7 23. e5 $18 {Komodo11}) 17... b5 18. Bb3 Nxf6 (18... Nc5 19. Re5+ (19. Bxf7+ {considered by both players} Kxf7 20. Nf4 h5 21. Rxh5 Bd6 22. e5 Bc7 23. Qf3 $18 {Komodo11})) 19. Rf1 (19. Re5+ { Komodo11. first plan} Be7 20. Qf1 Kf8 21. Rd5 $1 {Komodo11} Qe8 22. Rxd4 Bg4 23. e5 $18) 19... Be6 (19... Rh7 20. Ng3 (20. e5 Nh5 21. Nf4 Nxf4 22. Bxf4 Ra7 23. Rc1 $18 {Komodo11}) 20... Ng4 21. Nf5 Bxf5 22. Rxf5 Ne3 23. Qf3 Qc7 24. Bxe3 dxe3 25. Qxe3 Qa7 26. d4 O-O-O 27. Bd5 Rd6 28. Rc1+ Kb8 29. Qc3 $18 { Komodo11}) 20. Bxe6 fxe6 21. Nf4 (21. Qb3 {also} Kd7 22. a4 {Komodo11}) 21... Qd7 (21... e5 22. Ng6 (22. Nd5 $1 {Komodo11} Nxd5 23. Qh5+ Kd7 24. Qxe5 $18) 22... Rg8 23. Nxe5 (23. Nxf8 Rxf8 24. Bxh6 Rf7 25. Bg5 $18 {Komodo11})) 22. Ng6 (22. Ng6 Qg7 (22... Rg8 23. Rxf6 Bd6 24. Bxh6 $18 (24. Ne5 Bxe5 25. Qh5+ Kd8 26. Qxe5 $18)) 23. Nxh8 Qxh8 24. Bf4 Qg8 25. Qc2 Be7 26. Rac1 $18 {Komodo11}) 1-0 [Event "GBR Seniors 65+"] [Site "?"] [Date "2017.08.01"] [Round "3"] [White "Dennis, Nigel"] [Black "Van Kemenade, R."] [Result "1/2-1/2"] [ECO "E94"] [WhiteElo "1785"] [BlackElo "1985"] [Annotator "Rudy"] [PlyCount "76"] [EventDate "2017.07.31"] 1. e4 g6 2. d4 Bg7 3. c4 d6 4. Nc3 Nf6 5. Be2 O-O 6. Nf3 Nbd7 7. O-O (7. e5 dxe5 8. dxe5 Ng4 9. e6 fxe6 10. O-O Nde5) 7... e5 8. d5 Nc5 9. Qc2 a5 10. Ne1 Nfd7 (10... Ne8 11. Be3 (11. f4 f5 12. fxe5 Bxe5) 11... f5 12. f3 (12. Bxc5 dxc5 13. Nd3 b6 14. f4 exf4 15. e5 {Storey-Burke, GBR ch Coventry 2015,1-0})) 11. Nd3 (11. Be3) 11... f5 12. Nxc5 (12. exf5 gxf5 13. f4 (13. Nxc5 Nxc5 14. f4 Bd7 {good chances for Bl})) 12... Nxc5 13. f3 (13. Be3 Nxe4 (13... f4 14. Bxc5 dxc5 15. a3 g5 16. Qd1 Ra6 {Parayre Soguero-Kosten, La Pobla de Lillet op 2015, 0-1}) 14. Nxe4 fxe4 15. c5 {Elemberg-Benitez, URU ch sf 1971,1/2-1/2} (15. Qxe4 Bf5 16. Qf3 Bd3)) 13... f4 14. Bd2 g5 (14... h5 15. b3 g5 16. a3 g4) 15. b3 ( 15. Nd1) (15. Na4 h5 16. Nxc5 dxc5 17. Qd3 Ra6 18. Rfd1 g4 19. Be1 Rg6 { Frare-Matsuura,Paulisto ch Sao Caetano do Sul 1999, 0-1,}) 15... h5 16. a3 g4 17. fxg4 (17. b4 Qh4 (17... Na6 18. Na4 Qh4 19. Be1 g3 20. h3 axb4 21. axb4 b6 22. Bc3 Rf6 23. Rfc1 (23. Nb2 $18) 23... Bxh3 24. gxh3 g2 25. Bf1 gxf1=Q+ 26. Kxf1 Rg6 $17 {Kocak-Schatz, Nuremburg Zaboop 2016,0-1}) (17... g3 18. h3 Qh4 19. Be1 axb4 20. Nb5 b3 $17 {Komodo11}) 18. fxg4 axb4 19. axb4 Rxa1 20. Rxa1 hxg4 21. Be1 g3 22. h3 Bxh3 (22... Nb3) 23. gxh3 Nb3 24. Rd1 Nd4 { Iordache-Desanjose Candilja, IBCA world cup, Eretria 2005,0-1}) (17. Rfb1 Qh4 18. Be1 Qg5 (18... g3 19. h3 a4 20. bxa4 Qe7 21. Nb5 Rxa4 22. Bb4 $11 {Komodo11 }) 19. b4 $14 {Halay-Moradiabadi, Asian cities, Tagaytay City 2004,1-0}) 17... hxg4 18. b4 axb4 19. axb4 Rxa1 20. Rxa1 Na6 $17 21. Na4 (21. Nd1 Qh4 22. Qd3 $15) 21... Qh4 (21... f3 $1 22. Bf1 {considered} (22. Bd3 g3 $19 (22... Qf6 $19 )) 22... g3 $1 {Komodo11} 23. gxf3 (23. h3 Qh4 $19) 23... Rxf3 24. Bg2 Qh4 25. hxg3 Qxg3 26. Be1 Qg6 27. Nb2 Bh6 28. Nd1 Bh3 29. Ra2 Kh7 $19 30. Rb2 Bf4 31. c5 Bxg2 32. Qxg2 Qxe4 {Komodo11}) 22. Rf1 (22. Be1 g3 23. h3 Bxh3 24. gxh3 f3 25. Bxf3 Rxf3 26. Qe2 Qf4 27. Bd2 Rf2 28. Bxf4 Rxe2 29. Bxg3 Rxe4 30. b5 Nb4 $17) 22... g3 $19 (22... f3 23. Be1 Nxb4 24. Qb3 Qg5 25. Bd1 Na6 $17) (22... Rf6 {pm analysis,} 23. Be1 Qh7 24. Qd1 Rg6 25. b5 g3 {Komodo11} 26. hxg3 fxg3 27. Bxg3 Rxg3 28. bxa6 Qxe4 29. Rf3 Rxf3 30. Bxf3 Qe3+ 31. Kh1 bxa6 $19) 23. hxg3 fxg3 24. Rxf8+ Bxf8 25. Bf3 Qh2+ 26. Kf1 Bh6 (26... Bh3 {had been the idea, but then Bl saw the defence} 27. Qd1 Qh1+ 28. Ke2 {when if} Bxg2 29. Qxh1 {wins a piece. However Bl might have tried this as Wh hadn't seen ethe possibility & didn't find Qd1 in pm analysis}) (26... Qh1+ 27. Ke2 Bg4 $1 $19 { Komodo11;considered, but Bl couln't see how to make it work} 28. Bxg4 Qxg2+ 29. Kd3 (29. Kd1 Qf1+ 30. Be1 g2 $19) 29... Nxb4+ $1 {Komodo11} 30. Bxb4 Qxc2+ 31. Kxc2 g2 $19) 27. Bxh6 Qxh6 28. b5 (28. Ke2 Nxb4) (28. Qc3 Nxb4 29. Qxb4 Qh1+ 30. Ke2 Bg4 31. Bxg4 Qxg2+ 32. Kd3 Qf1+ 33. Be2 Qh3 34. Kc2 g2 35. Qxb7 g1=Q 36. Qb8+ Kh7 37. Qxc7+ Qg7 38. Qxd6 Qgg3 $17 {Komodo11}) 28... Nc5 (28... Nb4 { considered} 29. Qc3 (29. Qb3 Qd2 30. Be2 Bg4 $19) 29... Nc2 30. Qxc2 Qh1+ 31. Ke2 Bg4 $19 {Komodo11}) (28... Bg4 $1 {Komodo11 still wins} 29. Bxg4 (29. Ke2 Bxf3+ 30. Kxf3 Qf4+ 31. Ke2 Qf2+ 32. Kd1 (32. Kd3 Nb4+) 32... Qf1+ 33. Kd2 Qxg2+ (33... Nb4 34. Qb2 Qxg2+ $19 {Komodo11}))) (28... Qh1+ {also works, Komodo11} 29. Ke2 Bg4 30. Ke3 (30. Bxg4 Qxg2+ 31. Kd1 Qf1+ 32. Kd2 Nb4 33. Qb2 Qd3+ 34. Kc1 Qxc4+ 35. Kd1 Qf1+ 36. Kd2 g2 (36... Qf2+)) 30... Nb4 $19 (30... Qg1+ 31. Kd2 Bxf3 32. gxf3 Nb4 $19)) 29. Nxc5 (29. Ke2 $11) 29... dxc5 (29... Qh1+ 30. Ke2 Bg4 {still winning}) 30. Ke2 $11 b6 31. Qd2 Kg7 32. Qxh6+ Kxh6 33. Kd3 {(draw?)} Kg5 34. Ke3 Bg4 35. Bxg4 Kxg4 36. Ke2 Kf4 37. Kd3 Kg5 38. Ke3 Kg4 {(draw?)} 1/2-1/2 [Event "GBR 65+, Llandudno"] [Site "?"] [Date "2017.08.02"] [Round "4"] [White "Van Kemenade, R."] [Black "Goodwin , Ed H"] [Result "1-0"] [ECO "C00"] [WhiteElo "1985"] [BlackElo "1856"] [Annotator "Rudy"] [PlyCount "65"] [EventDate "2017.08.02"] 1. e4 e6 (1... c5 2. Nf3 e6 {Van Kemenade-Goodwin, Manchester 1977,1/2-1/2}) 2. d3 d5 3. Qe2 dxe4 4. dxe4 Nc6 5. Nf3 e5 6. c3 Nf6 7. Qc2 Be7 (7... Bd6 {main}) (7... Bc5 8. b4 Bd6 (8... Bb6 9. Be2)) 8. Bb5 {3-0} (8. Be2 {main, 71%}) 8... Bd6 (8... Bd7 {avoids pawn weaknesses, 2-0} 9. O-O (9. Nbd2)) 9. O-O (9. Bg5 Bd7 10. O-O O-O 11. Ba4 (11. Nbd2 Nb4 12. Qa4 c6 13. Be2 b5 14. Qd1 Na6 15. Nc4 Be7 16. Ncxe5 {Herrera-Davis, Mar del Plata 2009,1-0}) 11... a6 12. Bb3 Na5 13. Nbd2 Nxb3 14. axb3 b6 15. Nc4 Bb5 16. Rfd1 Bxc4 17. bxc4 Qe7 18. Nh4 { Biti-Winkler, Nova Gorica B op 2009,1-0}) 9... O-O 10. h3 (10. Bxc6 {Komodo11}) (10. Bg5) (10. Rd1) 10... a6 (10... Bd7) 11. Bxc6 bxc6 12. Rd1 $14 Qe7 13. Nbd2 (13. Bg5) (13. Be3) 13... Bb7 14. Nf1 (14. Nc4 c5 15. Bg5 Qe6 16. Nfd2 $14 { Komodo11}) 14... c5 15. Ng3 (15. Bg5 Qe6 (15... Bxe4 16. Qxe4 Nxe4 17. Bxe7 Bxe7 18. Nxe5 $14) 16. Bxf6 Qxf6 17. Ne3 a5 18. Rd2 $14 {Komodo11}) 15... h6 16. Nh4 Qe6 (16... Nxe4 {can be played; Komodo11} 17. Nxe4 (17. Nhf5 Qe6 18. Nxh6+ gxh6 19. Nxe4 {transposes to the game}) 17... Qxh4 18. Nxd6 cxd6 19. Rxd6 Qe7 20. Rd1 f5 $15) 17. Nhf5 {trying to give Bl more weakened pawns, but based on a slight miscalculation} (17. Re1 {positional, to bolster e4} c4 $11 { Komodo11}) (17. c4 $14 {Komodo11}) 17... Nxe4 $15 18. Nxh6+ gxh6 19. Nxe4 Qg6 ( 19... f5 {anticipated} 20. Nxd6 cxd6 21. Qb3 Qxb3 22. axb3 {threatening both h6 & d6, but Bl has a resource, allowed by the pawn forward} Rf6 23. f3 $11 ( 23. c4 Rg6) 23... Rg6 24. Kh2 Kf7 25. Re1 Rag8 26. Re2 e4 27. fxe4 Bxe4 28. g4 d5 29. Rf2 $11) 20. f3 Rad8 (20... Kh7 {considered in pm analysis} 21. Nf6+ Kg7 22. Qxg6+ fxg6 23. Ne4 {Komodo11} (23. Ng4 g5 24. Re1 c4 25. Be3 Kg6 $11) 23... Bxe4 24. fxe4 c4 25. Be3 Rab8 26. Rd2 $11) 21. Be3 Kg7 (21... c4 22. Kh2 Kh7 $11 {Komodo11}) 22. Rd2 Bxe4 (22... f5 23. Nxd6 cxd6 24. Kh1 Bc6 $11 {Komodo11} ) 23. fxe4 (23. Qxe4 f5 24. Qb7 Kh8 $11 25. Qxa6 f4 26. Bf2 e4 27. fxe4 f3 28. g3 Qxe4 29. Qd3 Qe6 30. Qf1 $11 {Komodo11} (30. Kh2 Bxg3+ $17)) 23... Kh7 ( 23... f5 24. exf5 Rxf5 25. Re2 $14 (25. Rf1 Rxf1+ 26. Kxf1 Rf8+ 27. Kg1 Qxc2 28. Rxc2 c4 29. Rf2 Rb8 30. g4 $14 {Komodo11})) 24. Rf1 $16 {Bl has lost control over f5} Be7 25. Rf5 (25. Rxd8 Rxd8 26. Qf2 {considered} Kg7 $14) 25... Rxd2 (25... f6 26. Kh2 $16) 26. Qxd2 $18 Rd8 27. Qe2 {aiming against a6 & h6; & keeping the Bl R from the back rank} Bg5 (27... f6 28. Qxa6) 28. Bxg5 hxg5 29. Rxe5 f6 30. Rxc5 (30. Re7+ Kh6 31. Rxc7 {also, looked at}) 30... Qf7 (30... Rd7 31. Qc4) 31. Qc4 (31. Qxa6) (31. e5 {alternatives}) 31... Qxc4 32. Rxc4 Rd1+ 33. Kh2 1-0 [Event "GBR 65+ Llandudno"] [Site "?"] [Date "2017.08.03"] [Round "5"] [White "Bimpson, Tom"] [Black "Van Kemenade, R."] [Result "0-1"] [ECO "A43"] [WhiteElo "2038"] [BlackElo "1985"] [Annotator "Rudy"] [PlyCount "98"] [EventDate "2017.08.03"] 1. d4 {previous game played in1975,Bolton1-Kirkdale, won by Tom after a delayed Benko} c5 2. d5 d6 3. c4 f5 4. Nc3 Nf6 5. Bf4 (5. g3) (5. Nf3) (5. Bg5) 5... g6 (5... e5 6. dxe6 Bxe6 7. e3 {2-0 in more recent games} Nc6 8. Nf3 Ne4 9. Ng5 Nxg5 10. Qh5+ Nf7 {Von der Goltz-Von Heydebrand und der Lasa, Berlin casual games 1837,0-1}) 6. e3 (6. Nf3) (6. Qd2) (6. h3 {also played}) 6... Bg7 7. Be2 (7. Nf3 O-O 8. Be2 {0-4}) 7... Qa5 (7... Na6 8. h4 h6 9. Bf3 Bd7 10. Nge2 Ng4 11. Bxg4 fxg4 12. Qb1 Bf5 13. e4 Bd7 14. Bd2 Be5 15. Nf4 Kf7 16. h5 gxh5 17. Rxh5 Nc7 18. Ke2 (18. Rxe5 dxe5 19. Nd3 $18 {Komodo11} Kf6 20. Ne2 $18 ) 18... Qg8 19. Nd3 Bd4 $14 {Korniotis Stavroulakis (1895)-Krishna (2339); Isthmia op Vrachati 2013,0-1}) (7... Ne4 8. Nxe4 fxe4 9. Qd2 Nd7 $11 {Komodo11} ) 8. Qd2 O-O (8... Nbd7) 9. h4 h6 (9... b5 10. cxb5 a6 $11 {Komodo11}) 10. Nh3 Nbd7 11. O-O Ne5 12. Ne4 Qc7 (12... Qxd2 {Komodo11, considered} 13. Nxd2 Bd7 $15 14. Rab1 a6 15. b4 cxb4 16. Rxb4 b5 $17) 13. Nxf6+ exf6 $11 {Komodo11} ( 13... Rxf6 {displaces the R} 14. Bg3) 14. b3 {Wh had intended Rb1, but his hand played the text} g5 $5 (14... Qe7 {perhaps safest} 15. Bg3 g5 (15... Bd7 { Komodo11}) 16. Rae1 Bd7 17. f4 Ng4 18. Bd3 $16) 15. Bxe5 (15. Bg3 Ng6 16. Bh5 Ne7 17. f3 Bd7 $14 {Komodo11}) 15... fxe5 16. hxg5 hxg5 (16... f4 $1 $11 { Komodo11} 17. exf4 (17. gxh6 Bxh3 $1 (17... Bxh6 18. exf4 Bxh3 19. gxh3 Rxf4 20. Qc2 Kh8 21. Bg4 Qg7 $11) 18. exf4 (18. hxg7 Qxg7 $19) (18. gxh3 f3 $1 19. Kh2 {other moves lose quicker} fxe2 20. Qxe2 Bxh6 21. Rg1+ Kh8 22. Rg6 Qh7 $17) ) 17... Bxh3 18. gxh3 Rxf4 19. Bg4 hxg5 20. Rae1 Raf8 $11 {Komodo11}) 17. Nxg5 Qe7 18. Ne6 (18. Nh3 f4 19. exf4 Bxh3 20. gxh3 Rxf4 21. Rac1 Qg5+ 22. Kh1 Qh4 23. Qe3 Kh8 24. Qg3 Qh6 25. Rce1 Raf8 $15 {Komodo11}) 18... Bxe6 (18... Rf6 { looked toorisky} 19. e4 Rh6 20. g3 Bxe6 21. dxe6 Qxe6 22. exf5 Qxf5 23. Qd5+ Qf7 24. Qe4 $16) 19. dxe6 Qxe6 (19... Rf6 20. g3 Qxe6 21. Kg2 {and Bl's attack gets nowhere}) 20. Rad1 (20. g3 f4 $11 {Komodo11}) 20... Rad8 21. Qd5 Qxd5 22. Rxd5 Kf7 {(draw?)} (22... e4 23. f4 exf3 24. Rxf3 Be5 25. Bd3 f4 26. exf4 Rxf4 27. Rxf4 Bxf4 28. Rh5 $14) 23. a3 (23. Bf3 Ke7 24. e4 f4 25. Rfd1 Rh8 $14 { Komodo11}) (23. f4 Ke7 $11 24. fxe5 Bxe5 {Komodo11}) 23... Ke7 24. b4 b6 25. Rfd1 e4 $11 26. Bf1 Bb2 (26... Be5 $15 {Komodo11} 27. g3 Rb8 28. Kg2 Rh8 29. Be2 Ke6 30. b5 $11) 27. bxc5 bxc5 28. a4 {cedes the b4 square} (28. Rb1 { Komodo11; pm analysis} Rb8 (28... Bxa3 29. Ra1 Bb2 30. Rxa7+ Rd7 $11) 29. g3 Be5 30. Rdd1 Kf6 {Komodo11} (30... Bb2 31. Rd2 Be5 32. Rdd1) 31. Be2 Rfc8 32. Kg2 Rxb1 33. Rxb1 d5 34. cxd5 c4 35. Rc1 c3 36. Bb5 Rb8 37. Ba4 Ke7 38. Bc2 Rb2 39. g4 $11 {Komodo11}) 28... Be5 29. Rb1 Rb8 {the R on d5 is temporarily out of the game} 30. Rxb8 Rxb8 31. f4 {best try} exf3 (31... Bb2 $1 {Komodo11} 32. Rxf5 Bc1 33. Kf2 Rb3 34. g4 Bxe3+ 35. Ke1 Bd4 36. g5 Rg3 $15) 32. gxf3 f4 33. exf4 Bxf4 $44 34. Rh5 Kf6 (34... a5 $1 $15 {Komodo11} 35. Rh7+ Kf6 36. Ra7 Bd2) 35. Rh7 (35. Bd3 Be3+ 36. Kg2 Rb3 (36... Rb4 37. a5 Ra4 38. f4 Rxa5 39. Rh6+ Ke7 40. Rh7+ Ke6 41. Kf3 Bd4 42. Kg4 Ra1 43. Bf5+ Kf6 44. Rh6+ Ke7 45. Rh7+ $11 {Komodo11})) 35... a5 {Wh has a bad B, a worse placed K, & an enemy B controlling the queening square} (35... Rg8+ 36. Kf2 Rg7 37. Rxg7 Kxg7 38. Ke2 $11) 36. Ra7 Bd2 37. Ra6 (37. f4 Rb2 (37... Kf5 38. Rf7+ Ke6 39. Ra7 Be3+ ( 39... Rb2 40. Bh3+ Kf6 41. Ra6 Bxf4 42. Rxa5 Be3+ 43. Kh1 Rc2 44. Bf1 $15 { but must be drawn}) 40. Kg2 Bxf4 41. Rxa5 Ke5) 38. Kf2 Kf5 39. Kf3 Rb3+ 40. Ke2 Bxf4 41. Rxa5 Rc3 42. Kf2 Bg3+ 43. Kg1 Kg4 44. Ra8 Rc1 45. Rf8 Ra1 46. a5 Rxa5 47. Be2+ Kg5 48. Bf3 $11 {Komodo11}) 37... Ke5 38. f4+ Kxf4 39. Rxd6 Be3+ $19 40. Kh2 Rb4 (40... Rh8+ $1 {Komodo11; a K hunt; Bl felt there might have been that possibility} 41. Bh3 Kf3 42. Rd3 Kf2 43. Rb3 Bf4+ 44. Kh1 Re8 45. Rb1 Kg3 {wins an exchange} 46. Bd7 (46. Rb3+ Be3 47. Rb7 Re5 $1 (47... Kxh3 48. Re7) 48. Rg7+ Kxh3 49. Rg3+ Kh4 50. Rf3 Bd4 $18) 46... Rh8+ 47. Kg1 Be3+ 48. Kf1 Rh1+ 49. Ke2 Rxb1 50. Kxe3 Re1+ 51. Kd2 Re4 52. Bb5 Kf3 $19) 41. Ra6 (41. Rf6+ Ke5 $19 {an initial hope for Komodo11}) 41... Rxa4 $19 42. Ra8 Ra2+ 43. Bg2 Bd4 (43... a4) (43... Kg4 44. Rg8+ Bg5 45. Kg1 a4 {alternatives from Komodo11}) 44. Re8 Be5 {trying to get the K to the Q side} (44... a4 45. Re4+ Kf5 46. Re8 a3 47. Ra8 Kg4 48. Rg8+ Kh4 49. Ra8 Be5+ 50. Kg1 Bg7 51. Kh2 Bd4 52. Ra6 Be5+ 53. Kg1 Kg3 54. Rg6+ Kf4 55. Ra6 Ra1+ 56. Kf2 Bd4+ 57. Ke2 Ra2+ 58. Kd3 (58. Kd1 Bc3 59. Bd5 Rd2+ 60. Kc1 a2) 58... Rxg2 {Komodo11}) 45. Kh3 a4 46. Bc6 a3 47. Rf8+ Ke3 (47... Kg5 48. Rg8+ Kf6 49. Rf8+ Ke7 50. Ra8 Rh2+ 51. Kg4 a2 {Komodo11 }) 48. Rf3+ Kd4 49. Ba4 (49. Bd5 Ra1 50. Rb3 a2 51. Ra3 Bf4 52. Ra8 Kc3 53. Kg4 Bd2 {& a R ch will be deadly}) 49... Rh2+ 0-1 [Event "GBR 65+Llandudno"] [Site "?"] [Date "2017.08.04"] [Round "6"] [White "Van Kemenade, R."] [Black "Anderton, D."] [Result "1/2-1/2"] [ECO "A04"] [WhiteElo "1985"] [BlackElo "2087"] [Annotator "Rudy"] [PlyCount "90"] [EventDate "2017.08.04"] 1. e4 e6 2. d3 c5 3. Nf3 Nc6 4. g3 g6 5. Bg2 Bg7 6. c3 Nge7 7. O-O O-O 8. Re1 ( 8. Be3) (8. d4) 8... e5 (8... d6) (8... d5) 9. Be3 (9. a3) (9. Nbd2) 9... d6 10. d4 (10. Qd2) (10. Na3) 10... cxd4 (10... exd4) (10... Qb6 11. dxc5 (11. d5 Qxb2 12. dxc6 Qxa1 13. Qd2 Be6 14. c4 Nxc6 15. Na3 Qxe1+ 16. Qxe1 $16) 11... Qxb2 12. Nbd2 dxc5 13. Nc4 Qxc3 14. Rc1 Qb4 15. a3 Qb5 16. a4 Qa6 17. Bxc5 $11 {Lacina-Placek, CZE ch tm 2017,0-1}) 11. cxd4 Bg4 12. dxe5 (12. d5 Nd4 13. Bxd4 (13. Nbd2 f5 14. Bxd4 (14. h3 Nxf3+ 15. Nxf3 Bxf3 16. Bxf3 fxe4 17. Bxe4 Qd7 18. Qg4 (18. g4 $16) 18... Nf5 $14 {Ruefenacht-Hoi, Wld ch U20, Tjentiste 1975, 1/2-1/2}) 14... exd4 15. h3 fxe4 (15... Bxf3 16. Nxf3 fxe4 17. Nxd4 Qb6 18. Rxe4 Qxb2 (18... Rxf2 19. Kxf2 Nf5 $15 {Komodo11}) 19. Nc2 Rac8 $11 { Butskhikidze-Aliyeva, Wld ch U12 girls, Chalkidiki 2001,1-0}) 16. hxg4 exf3 17. Nxf3 h6 18. Re2 $18 {Kaufman-Smith, Arlington 2000,1-0}) 13... exd4 14. Nbd2 ( 14. Qb3 Bxf3 15. Bxf3 f5 16. e5 Bxe5 17. Rxe5 dxe5 18. d6+ Kg7 19. dxe7 Qxe7 20. Qxb7 Qxb7 21. Bxb7 Rab8 $17 {Diaz-Jimenez, Wld ch tm U26,Caracas1976,1/2-1/ 2})) 12... Nxe5 13. Nc3 (13. Nbd2 Nd3 14. Rf1 Nxb2 15. Qb3 Be6 16. Qxb7 Nc4 17. Nxc4 Bxc4 18. Rfe1 Bxa1 19. Rxa1 Re8 20. Qb2 $16 {Komodo11}) 13... N7c6 14. Bf4 (14. Nd5 $11 {Komodo11} Rc8 15. Rb1 Kh8 16. h3 Nxf3+ 17. Bxf3 Bxh3 18. b4 Be6 $11) 14... Qb6 (14... Nd4 15. Bxe5 dxe5 16. h3 Bxf3 (16... Nxf3+ 17. Bxf3 Qxd1 18. Bxd1 Bxh3 19. g4 h5 20. gxh5 gxh5 21. Bxh5 $11) 17. Bxf3 Qb6 18. Nd5 Qxb2 $17 {Komodo11}) 15. Rb1 Nd4 16. Bxe5 dxe5 17. Nd5 (17. Qd3 Nxf3+ 18. Bxf3 Rad8 19. Nd5 Be6 20. Kg2 $11 {Komodo11}) (17. Re3 {pm analysis} f5 18. Nd5 Qd6 19. Qf1 Rad8 (19... fxe4 20. Nxd4 exd4 21. Rxe4 $11) 20. Nxd4 exd4 21. Ree1 fxe4 22. Bxe4 Bh6 $17 {Komodo11}) 17... Qd6 (17... Qa6 {Komodo11} 18. Re3 Qxa2 $15 ( 18... f5 $15)) 18. Ne3 (18. Qd3 Bxf3 19. Bxf3 Rac8 20. Rec1 $11 {Komodo11}) 18... Be6 (18... Bxf3 19. Bxf3 Rac8 20. Bg2 Rc6 $15 {Komodo11}) 19. Nxd4 (19. b3 {pm analysis} Rac8 20. Nxd4 exd4 21. Nd5 $11) 19... exd4 20. Nd5 f5 21. Nf4 $11 Bxa2 (21... fxe4 22. Nxe6 Qxe6 23. Rxe4 Qxa2 24. Re7 $11 {Komodo11}) 22. Ra1 Bc4 23. exf5 (23. Rc1 Qb4 24. exf5 Rxf5 25. Nd3 Bxd3 26. Qxd3 Rd8 27. Re2 { Komodo11}) 23... Rxf5 24. Bxb7 Raf8 25. Nd3 {Wh got worried about Rxf4} (25. Rc1 {Komodo11} Bb5 (25... Qb4 26. Be4 Rc5 27. Nd3 Bxd3 28. Bxd3) 26. Re6 Qd7 27. Bc6 $11) (25. Qa4 {considered} Bb5 26. Qa3 {Komodo11} Qxa3 27. Rxa3 d3 28. Nxd3 Bd4 29. Kg2 $11 {Komodo11}) (25. Ra4) 25... Bxd3 26. Qxd3 Qb6 $1 { unexpected} (26... Rxf2 27. Rxa7 {& getting rid of a pair of rooks}) 27. Be4 ( 27. Qa6 Rxf2 28. Bd5+ Kh8 29. Qxb6 axb6 30. Ra7 Rxb2 31. Ree7 Rc8 32. Bg2 Rb1+ 33. Bf1 Bf8 34. Rxh7+ Kg8 35. Rhc7 Rxc7 36. Rxc7 d3 37. Rd7 Bc5+ 38. Kg2 Rb2+ 39. Kh3 d2 40. Bd3 g5 41. Be2 $11 {Komodo11}) (27. Re7 {Fritz11 SE; considered} Rxf2 28. Bd5+ Kh8 29. Rexa7 Qxb2 30. Ra8 Qc3 31. Rxf8+ Rxf8 32. Rd1 $17 { but Wh may well be holding}) 27... Rxf2 28. b3 a5 29. Rf1 (29. Bd5+ {considered }) 29... Rxf1+ 30. Rxf1 Rxf1+ {Fritz11 SE} (30... Rc8 {Komodo11} 31. Bd5+ Kh8 32. Rf7 (32. Bc4) 32... Rc3 33. Qe4 d3+ 34. Rf2 $11 h5 35. Kg2) 31. Kxf1 Bh6 32. Bd5+ {(draw?)} (32. Qc4+ Kg7 33. Qd5 $11 {Komodo11}) 32... Kg7 33. Qf3 Qf6 $15 {Komodo11} (33... Qc7 {definite plus for Wh,Fritz11 SE. = Komodo11}) 34. Ke2 Be3 35. Qxf6+ Kxf6 36. Kf3 Ke5 37. Bg8 h6 38. h4 g5 39. hxg5 hxg5 40. g4 Bf4 41. Bc4 Kd6 42. Ke4 Kc5 43. Kd3 Be3 (43... Kb4 {nearly played}) 44. Bf7 Kb4 45. Be6 Kc5 {(draw?)} 1/2-1/2 [Event "GBR 65+Llandudno"] [Site "?"] [Date "2017.08.05"] [Round "7"] [White "Pickersgill, A."] [Black "Van Kemenade, R."] [Result "0-1"] [ECO "B07"] [WhiteElo "1972"] [BlackElo "1985"] [Annotator "Rudy"] [PlyCount "74"] [EventDate "2017.08.04"] 1. e4 d6 {Wh had prepared against a Petroff, with the 5 Nc3, d5 var} 2. d4 Nf6 3. Nc3 c6 4. a4 Qc7 5. h3 {whereas Bl had prepared against these 5 Wh moves} e5 (5... e6 6. Nf3 Be7 7. Be3 b6 8. Be2 Ba6 9. O-O Bxe2 10. Qxe2 { Pickersgill-Mitchell, Hastings Masters 2012,1-0}) 6. Nf3 Nbd7 (6... Be7 7. Bc4 O-O {main}) 7. Be3 h6 (7... Be7) 8. Qd2 (8. Bc4 Be7 {transposes to many more games}) 8... Be7 9. Be2 {leaving 0-0-0 an option} (9. Bc4 {transposing to main} ) (9. Bd3 {a couple of games} a6 10. a5 exd4 11. Nxd4 Nc5 12. O-O { Alekhine-Tartakower, Bled 1931,1-0}) 9... a5 (9... Nf8 10. g3 Be6 11. Kf1 Rg8 12. d5 Bd7 13. Nh4 g5 14. Nf5 Nxe4 15. Nxe4 Bxf5 16. f3 {Wirig-Den Heeten, Limburg opU18, Venlo 2000,1/2-1/2}) (9... O-O 10. g4 Nh7 11. h4 Ndf6 12. g5 hxg5 13. hxg5 Ng4 14. O-O-O Nxe3 15. fxe3 Nxg5 16. Nxg5 Bxg5 17. Rdg1 $18 { Wollf-Ortiz Rodriguez, Frankfurt ch 2007,1-0}) 10. O-O g5 (10... Nf8 {more frequent}) 11. Nh2 Nf8 12. d5 {Komodo11; Wh's plan here was to play Ra3 & thus prevented d5 as a reply} (12. Bc4 {Komodo10 & Houdini5}) (12. Ng4 Nxg4 (12... Ne6 13. Nxf6+ (13. d5) 13... Bxf6 14. d5 Nf4 15. dxc6 bxc6 16. Bg4 Bxg4 17. hxg4 Qd7 18. f3 h5 $11 {Potze-Stavasi, Hoogeveen Unive op 2013,0-1}) 13. Bxg4 Bxg4 14. hxg4 Ng6 15. g3 Qd7 16. Qe2 Kf8 $16 (16... h5 $14 {Komodo11}) 17. dxe5 Nxe5 $11 {Marsden-Winter,AUS ch major 1999,1/2-1/2}) (12. Rfd1 Ng6 13. d5 Nf4 14. Bf1 Bd7 15. f3 h5 $11 {Koksch-Farrand, EU Seniors tm, Dresden 2002, 1/2-1/2 }) 12... Ng6 13. Ra3 {to probe b6, but the R goes offside & never really gets back} (13. Ng4 Nf4 $14 {Komodo11}) 13... c5 (13... Nf4 $11 {Komodo11}) 14. Bb5+ {deviating from the g4 square} (14. Qd1 $16 {Komodo11}) 14... Kf8 15. f3 $16 { (draw?)} Nh5 {Bl had not ruled out a draw in principle, especially if Wh had swapped dxe5 earlier; but felt that both the B on b5 & the R on a3 were offside.Nevermind the Engine's assessment as a distinct Wh advantage.} 16. Ne2 (16. Bf2 Nhf4 17. Nd1 h5 18. Ne3 Bd7 $16 {Komodo11; why??? swapping off a good B for a useless one & giving a Wh N free entry to f5}) 16... Nhf4 17. Bxf4 { Ns are usually better in closed positions} exf4 (17... gxf4 $15 {standard, opens the g file, but this option felt more dynamic}) 18. Ng4 (18. Rb1 $11 { Komodo11 initially =, but then} h5 $15 {very strange positional judgement about Rb1, it removes a defender & there is little chance of a Q side breakthrough for Wh.Though perhaps it prepares a Bf1 defence attempt}) 18... Bxg4 (18... h5 {alternative; the text removes a defender & provides a lever to open the h file}) 19. fxg4 (19. hxg4 Bf6 20. Kf2 h5 $17 {Komodo11}) 19... Bf6 20. c3 (20. g3 {The Engine feels constrained to give up an exchange} Bxb2 21. Rb3 Be5 22. gxf4 gxf4 23. Nxf4 Nxf4 24. Rxf4 Bxf4 25. Qxf4 Qe7 $15 {Komodo11}) 20... Qe7 21. Qc2 (21. Nc1 h5 22. gxh5 Rxh5 23. Nd3 Qxe4 $15 {Komodo11}) 21... h5 $17 22. gxh5 Rxh5 23. Raa1 Kg7 $19 (23... Be5) (23... Rh4) 24. Kf2 g4 $1 25. Ke1 gxh3 (25... f3 {considered} 26. gxf3 (26. hxg4 fxe2 $19 27. Rxf6 Rh1+ 28. Kxe2 Rxa1 $19) 26... Rxh3 27. fxg4 Rah8 $19 {Komodo11}) 26. gxh3 Rxh3 27. Nxf4 (27. Ng1 Rg3 (27... Re3+ 28. Kd2 Rh8 29. Kc1 Bg5 30. Kb1 Ne5 (30... Rxe4 31. Ka2 Re3 32. Nf3 Ne5 $19 {Komodo11}) 31. Ka2 f3 $19)) 27... Bh4+ {unsure of this move- desined to move the K away from f1; but the check might come in useful at a later stage} (27... Nxf4 28. Rxf4 Rah8 29. Qg2+ Bg5 (29... Kf8 30. Qg4 Bg5 31. Rf3 Rh1+ 32. Bf1 R8h4 (32... R1h4 33. Qf5 Rxe4+) 33. Qc8+ Kg7 34. Qf5 Rxe4+ 35. Kf2 (35. Kd1 Re5 36. Qg4 Rh2 $19) 35... Rhh4) 30. Rf5 Rh1+ 31. Bf1 f6 $17 {Komodo11}) (27... Re3+ 28. Kd2 Bg5 (28... Rxe4 $2 29. Nh5+ $18) 29. Kxe3 Rh8 $11 {Komodo11}) 28. Kd1 Nxf4 29. Rxf4 Bg5 (29... Rh8 {Julie, more accurate-Komodo11} 30. Bf1 Re3 31. Qg2+ Kf8 32. Be2 Bg3 33. Rf3 Rxe4 34. Rxg3 Qe5 $19 {Komodo11}) 30. Rf5 (30. Bf1 Rh1 31. Rf2 Rah8 32. Qe2 R8h4 33. Kc2 Rxe4 $17 {Komodo11}) (30. Rf1 {Julie} Rah8 31. e5 (31. Be2 Rh2 (31... Qe5)) 31... Rh2 (31... Qxe5 32. Qf5 Qxf5 33. Rxf5 Rh1+ 34. Rf1 R8h2 35. Be2 Rxf1+ 36. Bxf1 Rd2+ 37. Ke1 Rxb2 {Fall back idea if the attack doesn't lead to better things}) 32. Qf5 Rd2+ 33. Ke1 Rxd5 {and now Komodo11 can only find for Wh} 34. Qxf7+ Qxf7 35. Rxf7+ Kxf7 36. Bc4 Rh1+ 37. Ke2 Rxa1 38. Bxd5+ Ke7 39. exd6+ Kxd6 40. Bxb7 Rxa4 $19) 30... Rah8 (30... Rh1+ 31. Bf1 Rah8 $17 32. Qg2 Kg6 $19 { Komodo11}) 31. Qg2 f6 (31... Rh1+ 32. Bf1 Kg6 33. Rf2 R8h2 34. Qxh2 Rxh2 35. Rxh2 Qxe4 $19 {Komodo11}) 32. Be2 (32. e5 $5) 32... Rh2 33. Qf3 R8h3 34. Qg4 Rh4 35. Qg3 Qxe4 36. Rxg5+ (36. Rf2 Rxf2 37. Qxf2 Rh1+ 38. Bf1 Qd3+ 39. Ke1 Rxf1+ 40. Qxf1 Qd2# {calculated}) (36. Qf3 Kg6 {wins material, seen} (36... Rh1+ 37. Bf1 Rxf1+ 38. Qxf1 Rh1 {Julie, wins Q})) (36. Qd3 Qxd3+ (36... c4 $19) (36... Qg2 37. Rf1 R4h3 $17 {Komodo11}) 37. Bxd3 Rd2+ {simplest}) 36... fxg5 37. Qxg5+ Kh7 (37... Kf7 {leads to quicker mate according to Komodo11}) 0-1

Sunday, 25 June 2017

Rudy Wins Blitz Championship

Congratulations to Rudy van Kemenade on winning the Welsh Blitz Championship, jointly with William Hewitt, against strong opposition including two FMs. Two of his wins are given below. Meanwhile, the Club is adjourning for the summer. Tuesday 27 June will be our last club night till we resume in September.

[Event "Welsh ch blitz"] [Site "?"] [Date "2017.06.17"] [Round "3"] [White "White, Michael"] [Black "Van Kemenade, R."] [Result "0-1"] [ECO "C42"] [WhiteElo "2258"] [BlackElo "1977"] [Annotator "Rudy"] [PlyCount "42"] [EventDate "2017.06.17"] 1. e4 {(FM)} e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 d5 (5... Nf6 6. d4 Be7 7. Bf4 O-O 8. Qd2 d5 9. Bd3 {M White-Van Kemenade, WLS ch Hensol Park, 2007,1-0 }) 6. Qe2 Be7 7. Nxe4 dxe4 8. Qxe4 O-O 9. Be2 (9. Bc4 {following Alekhine in 1918; is more active which led to two losses for Bl against Bujnoch & Byron at the Gibraltar Masters in early 2017}) 9... Re8 10. O-O Bd6 11. Qd3 Nc6 (11... b6 12. b3 Qf6 13. Rb1 Bb7 14. Bb2 Qh6 15. g3 Nd7 16. Rfe1 Nc5 17. Qc3 Rad8 18. d4 {Strobusch-Maahs, Ger ch Seniors, Magdeburg 2015,1/2-1/2}) 12. a3 (12. c3 Qf6 13. Bd1 Bf5 14. Qc4 Qg6 15. Qh4 Bd3 16. Re1 Rxe1+ 17. Nxe1 Re8 18. f3 Qh6 19. Qxh6 Rxe1+ 20. Kf2 Rf1+ 21. Ke3 gxh6 {Loman-Marshall, London m 1902,0-1}) 12... Qf6 (12... g5 $15 {Deep Fritz13 & Komodo11}) 13. Rb1 (13. Re1 Bg4 $19 14. Kf1 Rad8 $17 {djetlic-hearthstones9,2014,1-0} (14... Ne5 $18 {Houdini4 & Komodo11})) (13. Bd1 Bg4 14. Qc3 Ne5 15. d4 Nxf3+ 16. Bxf3 Bxf3 17. Qxf3 (17. gxf3 Qg6+ 18. Kh1 Qh5 $19) 17... Qxd4 18. Qxb7 Qc4 $11 {Komodo11} 19. c3 Bxh2+ $19) 13... Bf5 $19 14. Qc4 Na5 15. Qb5 Bxc2 16. Ra1 (16. Qxa5) 16... Nb3 17. Ra2 a6 (17... Bb1 18. Qxb3 Bxa2 19. Qxa2 Rxe2 $19 {Bl afterthoughts}) (17... Rxe2 18. Qxe2 Bb1 $19 {Komodo11}) (17... Qf4 18. g3 Qe4 19. Re1 Nxc1 20. Rxc1 Ba4 21. Ng5 Qxe2 22. Qxa4 Qxd2 23. Raa1 Qxg5 $19 {Komodo11}) 18. Qc4 Nxc1 ( 18... Rxe2 19. Qxc2 Qe6 20. Qb1 Bf4 $19 {Komodo11}) (18... Bb1 19. Qxb3 Bxa2 20. Qxa2 Rxe2 $19) (18... Qf5 19. Bd1 Bxd1 20. Rxd1 Na5 21. Qc3 Qb1 $19 { Komodo11}) 19. Rxc1 Bf5 $19 20. Nd4 (20. Raa1 b5 21. Qc6 Qxb2 $19 {Komodo11}) 20... b5 21. Qd5 (21. Qc3 Be5) 21... Be4 $19 0-1 [Event "Welsh Ch blitz"] [Site "?"] [Date "2017.06.17"] [Round "11"] [White "Van Kemenade, R."] [Black "Gilbert, J."] [Result "1-0"] [ECO "B31"] [WhiteElo "1977"] [BlackElo "2035"] [Annotator "Rudy"] [PlyCount "75"] [EventDate "2017.06.18"] 1. e4 c5 2. Nf3 Nc6 3. Bb5 {the Rossolimo, turning a Sicilian into something more akin to a Ruy Lopez} g6 4. O-O Bg7 5. c3 Nf6 6. Re1 O-O 7. h3 a6 8. Bf1 e5 (8... b5 9. d4 cxd4 10. cxd4 d5 11. e5 Ne4 12. Nbd2 Nxd2 13. Bxd2 Be6 14. a4 b4 15. Rc1 {led to great complications in Van Kemenade-Gilbert, WCPL2009,1/2-1/2}) 9. d4 d6 (9... cxd4 10. cxd4 exd4 11. Nxd4 d5 12. Nxc6 bxc6 13. exd5 Nxd5 14. Na3 {Van Kemenade-Hill, BCF ch Aberystwyth 2014, 1/2-1/2; after an endgame of B vs 3 connected passed pawns}) 10. dxc5 {the idea is to be able in the longterm to put a N on d5} (10. a4 Qc7 11. Na3 {should be ok, although it didn't work as planned against an IM; Van Kemenade-Veremeichik, EU Seniors tm, Wales- Belarus, Dresden 2013,0-1}) 10... dxc5 11. Qxd8 {60%} (11. Qc2 {scores even better for Wh , 73%}) 11... Rxd8 12. Bg5 (12. a4 {is too slow; & in any case b5 by Bl can be a source of weakness, as in this game}) 12... Be6 13. Na3 {leaves open c2 as a path to e3 & d5, should Bl throw in b5 to control c4} (13. Nbd2 h6 14. Bxf6 Bxf6 15. Bc4 Rd6 16. Bxe6 Rxe6 17. Red1 Rd8 18. Nc4 Ree8 19. Nb6 $14 {Barth-Heumann, Landesliga Nord, Bayern 2007,1-0}) 13... h6 14. Bxf6 Bxf6 15. Nc4 (15. Bc4 {removing a defender of d5 is also a good idea}) 15... b5 16. Ne3 Rd7 17. a4 b4 (17... Rb8 {is safer, but Bl sticks to the plan of doubling on the d file}) 18. Rad1 Rad8 (18... Rxd1 19. Rxd1 Bb3 $2 {loses a piece} 20. Rd6 $18) 19. Rxd7 Rxd7 20. Bxa6 $16 {its easy to forget about the power of lurking Bs} bxc3 21. bxc3 Ra7 22. Bb5 Rc7 (22... Na5 23. Ng4 {& Bl has to give up the 2 Bs or lose another pawn}) 23. Nd5 {mission accomplished} Bxd5 24. exd5 $18 Nd8 (24... Na7 {Komodo11} 25. Nxe5 Nxb5 26. axb5 Bxe5 27. Rxe5 Kg7 28. c4 $18) 25. d6 Rb7 26. Nxe5 Ne6 27. Nxg6 $5 (27. g3 Kg7 28. Kg2 Rb6 29. Nc4 Rb8 30. Re3 {Komodo11,Wh must be winning with 2 pawns up, but Bl does have a lot of bl square control}) 27... Bxc3 28. Ne7+ (28. Re4 Kg7 29. d7 Ba5 30. Nf4 Nxf4 31. Rxf4 Rb8 32. Kf1 $18 {Komodo11}) 28... Kf8 29. Rd1 (29. Re4 {Komodo11}) 29... Bd4 (29... Nd4 30. Nc8 Ba5 31. d7 f5 32. Nd6 Rb8 33. Nc4 Bb4 34. Ba6 Ke7 35. Bc8 Kd8 36. a5 $18 {Komodo11}) 30. Nf5 (30. Nc6 Bf6 31. Rd5 Rb6 32. g3 Nd8 33. Na5 Ne6 34. Kg2 $18 {Komodo11}) 30... Bf6 (30... Bg7 31. d7) 31. Nxh6 {no rush, a further insurance giving Wh a K side weapon as well as the a pwn & d pawn} (31. g4 {Komodo11}) 31... Nd4 32. d7 (32. Ng4 Bg7 (32... Bd8 33. Ne5 Nxb5 34. axb5 Rxb5 35. Nc6 Bb6 (35... Ke8 36. d7+ Kf8 37. Nxd8) 36. d7 $18) 33. Ne3 Nxb5 34. d7 Bf6 35. axb5 Bd8 36. Nf5 c4 37. g4 c3 38. Rc1 Rxd7 39. Rxc3 Rd1+ 40. Kg2 Rb1 41. Rc5 Ke8 42. h4 Bb6 43. Rc2 Kd7 (43... Rxb5 44. Nd6+) (43... Kf8 44. Rc8+ Bd8 45. Rxd8#) 44. h5 Rxb5 45. Rd2+ Ke6 46. h6 Ba5 47. Rd6+ Ke5 48. Rc6 Bd2 49. h7 Rb8 50. Nd6 Kd5 51. Nc8 $1 (51. Rc8 Rxc8 52. Nxc8 Bc3 {holds out longer}) 51... Kxc6 52. h8=Q $18 {Komodo11}) 32... Ke7 { its natural to bring the K towards the most dangerous pawn; however there are tactical problems} (32... Kg7) 33. Nf5+ (33. Ng8+ Kd8 34. Nxf6 $18 {Komodo11 even stronger}) (33. Re1+ Kd8 (33... Ne6 34. Ng8+) 34. Nxf7+ Kc7 35. Re5 Nxb5 36. d8=Q+ Bxd8 37. Rxc5+ Kd7 38. Nxd8 Kxd8 39. Rxb5 {is another typical Engine series of complexities from komodo11 few humans would contemplate}) 33... Kd8 34. Nxd4 cxd4 35. Re1 (35. g3 {provides the h pawn with protection to advance Komodo11. Engines remain materialistically inclined, preferring often to keep as many of the material gains intact, rather than going for a simple line of play}) (35. Rc1 Rc7 36. Re1 {gives the Bl R a bit of freedom}) 35... Be7 36. h4 {though this may not be the most accurate way, it proves to be effective within the time controls[ 3 mins + 2 secs increment]} (36. Re4 d3 37. Rd4 { Komodo11. cf earlier note about Engines , though they are, of course, very accurate & alert to nuances of tactics}) 36... Bxh4 (36... d3 {best chance} 37. h5 {may take a little longer} (37. Rd1 Bxh4 38. Rxd3 Rb6 39. Re3 Be7 40. g4) 37... d2 38. Rd1 Bb4 39. h6 Rb6 40. h7 Rh6 41. Bd3 Kxd7 42. Kf1 Kd6 43. Ke2) 37. Re8+ Kc7 38. Rc8+ {Bl was down to only a few seconds as well now.} 1-0

Monday, 5 June 2017

So Near and Yet No Car

The clubs of the Dyfed League are spread out over a wide geographical area, and their players often live some way from the clubs. Add to that the fact that an unusual number of chess players seem to be non-drivers (me, for example)and it becomes clear why matches are often hard to arrange. Several clubs have had transport difficulties this year, Aberystyth included, with the result that not all the matches have been played by the end of the season. This is particularly hard on the A team, who competed extremely well this year, and could have won the title if all their matches had been played. On the last day of the season, Wednesday 31 May, we consoled ourselves with a 4-0 victory over Carmarthen at the Emlyn Cafe, Tanygroes.

On top board, Rudy van Kemenade played the unusual Chigorin Defence against Gerry Heap, and an odd-looking position was soon reached, with the White king on f1 instead of safely castled. This worked out badly for Gerry as he lost the exchange to a discovered check and was unable to find any compensation. The second-board game was also over quickly. Adam Watkin-Jones developed sensibly against David Buttell's Sicilian, and Black's attempt to start complications backfired, leaving him a rook down. Adam Robinson celebrated his last game for the club by opening 1...a5 against 1.e4. Paul Orton refused to be provoked, and, despite going a pawn down, looked very comfortable for most of the middle game, missing a win before compounding the error with a final blunder. I had a space advantage with my London System against Robert Narayan-Taylor, but could make no headway. Feeling my position about to fall apart, I went in for a risky sacrifice; with both players desperately short of time, I was losing the ending when Black slipped up and allowed me a lucky win - not the first time that's happened to me this year.A 4-0 win was some consolation to Aber for the season that got away.

[Event "DyfedLeague:AberystwythA-Carmarthen"] [Site "?"] [Date "2017.05.31"] [Round "?"] [White "Heap, G."] [Black "Van Kemenade, R."] [Result "0-1"] [ECO "D02"] [WhiteElo "2168"] [BlackElo "1962"] [Annotator "Rudy"] [PlyCount "62"] [EventDate "2017.06.01"] 1. Nf3 {Gerry has had a very successful run with this move in the past; 20 wins, 9 draws & only 3 losses: against Tim Kett in the Dyfed Open 2011,0-1; Julie van Kemenade, Dyfed League 2011, 0-1 & Steve Cunliffe, WLS ch 2007,0-1} Nc6 2. d4 (2. g3) (2. c4 {back to more usual Gerry lines}) (2. e4 e5 3. Bb5 { lines he has played in the past}) 2... d5 {Now its a Chigorin Defence he hasn't played against before} 3. g3 Bg4 (3... Bf5 4. Bg2 e6 5. O-O Nf6 6. c4 Be7 7. Ne5 Nxe5 8. dxe5 Ne4 9. g4 {Van Kemenade-Pogson, Huddersfield Summer, 1983,1-0}) 4. Bg2 Qd7 5. h3 (5. c4 dxc4 6. d5 Bxf3 7. Bxf3 Ne5 8. Bg2 e6 9. Qd4 Bd6 (9... Nc6 {main}) 10. Bf4 Ng6 11. Bxd6 cxd6 12. Qxg7 $16 {Van Kemenade-J Horner, Manchester open 1990,0-1}) 5... Bf5 {main, keeps on h3 to hold up 0-0} (5... Bh5) 6. Ne5 (6. c3) (6. c4 {main}) 6... Nxe5 7. dxe5 c6 (7... O-O-O { scores well for Bl with 70%}) 8. Nd2 (8. e4) (8. Nc3) (8. g4 {also tried here}) 8... f6 (8... Qc7) 9. Nf3 (9. e4 {Komodo11} dxe4 10. Qe2 e3 11. Qxe3 Rd8 (11... Bxc2) 12. O-O Bxh3 13. Bxh3 Qxh3 14. Nf3 Qg4 15. Kg2 h5 $11 { Pollari-Halmeenmaki, FIN ch tm 2000,1-0}) 9... Be4 (9... O-O-O) 10. Bf4 (10. O-O {Komodo11} Bxf3 11. exf3 fxe5 12. Re1 Qc7 13. c4 $14) 10... g5 11. Be3 h6 ( 11... h5) 12. exf6 (12. c4 dxc4 13. O-O Qxd1 14. Rfxd1 Bd5 15. b3 cxb3 16. axb3 fxe5 17. Bxa7 Bg7 18. Bd4 Rxa1 19. Bxa1 Nf6 20. Nxe5 O-O $11 {Komodo11}) 12... exf6 (12... Nxf6 $11 {Komodo11} 13. Ne5 Qd6 14. Bxe4 Nxe4 15. Nf3 c5 $15) 13. c4 {too ambitious} (13. O-O {Iolo}) 13... Bb4+ 14. Kf1 $11 {keeping life complex; Komodo11} (14. Bd2 Bxd2+ 15. Qxd2 O-O-O $11 (15... dxc4 16. Qc3 Qe6 17. O-O-O Ne7 $11)) 14... Ne7 15. Qb3 Bd6 (15... Ba5) 16. Qc3 {a waste of a moveas the Q is not better placed than before} (16. Nd2 Bxg2+ 17. Kxg2 O-O $11 {Rudy & Komodo10}) 16... O-O (16... c5 $1 $17 {Komodo11} 17. Qxf6 O-O-O 18. Bd2 Rdf8 19. Qc3 d4 20. Qb3 Nc6 $17 {Komodo11}) 17. cxd5 Nxd5 18. Qc4 Rae8 $17 { Bl was very content with the position, with all of Bl's pices aimed at the K & both Wh's Rs out of play} (18... f5 $17) (18... Rfe8 {but Bl wanted this R kept on the f file looking at the K}) 19. Rd1 {natural to bring another piece in, but turns out badly} (19. Bxa7 {Wh can win a pawn, but it looks dangerous on the sidelines, while the centre is liable to catch fire} b5 20. Qd4 Bg6 ( 20... Bxf3 21. Bxf3 Be5 22. Bxd5+ (22. Qc5 Ra8 23. Bb6 Qb7 24. Bxd5+ cxd5 25. Qc2 Kg7 26. Bc5 Rfc8 $17 {Komodo11}) 22... cxd5 23. Qb6 Ra8 $19 {pm analysis}) 21. Rc1 Re4 22. Qd3 Qxa7 23. Nd2 Nb4 24. Qxd6 Rd4 25. Qe6+ Bf7 26. Qe3 Re8 27. Ne4 Nd5 28. Qa3 Qxa3 29. bxa3 Rexe4 30. Bxe4 Rxe4 31. Rxc6 Ra4 $17 {Komodo11}) 19... Rf7 (19... Qe6 20. Qb3 (20. Nd2 Nxe3+ 21. fxe3 Qxc4 22. Nxc4 Bxg3 $19) 20... Nxe3+ 21. Qxe3 Qxa2 $17 {Komodo11}) (19... b5 20. Qb3 a5 21. a4 (21. a3 Bxg3 22. fxg3 Qe6 $19 {Komodo11}) 21... bxa4 22. Qxa4 Nxe3+ 23. fxe3 Qe7 $17 { Komodo11}) 20. Bc5 $2 {a mistake in a difficult position} (20. Bd2 f5 $17 { its difficult to co-ordinate the Wh pieces, while Bl just advances on the K side}) 20... Bxc5 21. Qxc5 Ne3+ 22. fxe3 Qxd1+ 23. Kf2 Qc2 (23... Qa4) 24. Qd4 (24. Qxa7 Qxb2 25. Rd1 {though at least the Wh R is backin the game}) 24... c5 25. Qd6 Qxb2 (25... b6 {considered}) 26. Qxc5 Qb6 (26... Qxa2 {is natural, with a winning ending- but Wh was desperate for counterplay ,hoping to keepQ's on for something to happen. Hence Bl targets e3} 27. Rd1 {Bl wasn't clear where the Bl Q should be placed}) 27. Qc3 (27. Qxb6 axb6 28. Nd4 Bxg2 29. Kxg2 Rxe3 (29... f5 30. Kf2 Ra8 $19 {the exchange up should prove to be enough}) 30. Nf5 Rxe2+ 31. Kf3 Rfe7 32. Nxe7+ Rxe7 33. Rb1 Re6 {Wh has some survival chances }) 27... Rc7 (27... Rfe7 {Julie, targetting e3, should be enough} 28. Rd1 Bxf3 29. Bxf3 Rxe3 30. Qd4 Qxd4 31. Rxd4 R8e7) 28. Qd2 Rc2 (28... Rce7) 29. Qd7 Bc6 (29... Qc6) (29... Rd8 30. Qa4 (30. Qg4 f5 (30... Rxe2+ {Rudy, on way home} 31. Kxe2 Qb2+ 32. Ke1 f5 (32... Qxg2 33. Qe6+ Kf8 $11 {Komodo11}) 33. Qh5 f4 $1 ( 33... Kg7 $19) 34. gxf4 Qxg2 35. Rf1 Bd3 $19 {Komodo10}))) (29... Kf8 $19) 30. Qd4 (30. Qd3 Be4 31. Qd7 Rd8 $19 {as above}) 30... Qxd4 31. Nxd4 Bxg2 0-1 [Event "DyfedLeague:AberystwythA-Carmarthen"] [Site "?"] [Date "2017.05.31"] [Round "?"] [White "Watkin-Jones, A."] [Black "Buttell, D."] [Result "1-0"] [ECO "B26"] [WhiteElo "1960"] [BlackElo "1884"] [Annotator "Rudy"] [PlyCount "49"] [EventDate "2017.06.01"] 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Be3 e6 (6... e5 7. Qd2 Nge7 (7... Rb8) 8. Bh6 O-O 9. h4 f6 {Horrell- Buttell, Dyfed Open 2016,0-1}) (6... Rb8 7. Qd2 b5 8. f4 e5 9. Nf3 Nge7 {Francis-Buttell, TomWeston Major op , Cardiff 2008, 1/2-1/2}) 7. Qd2 Rb8 8. Nf3 (8. Nge2) 8... b5 (8... Nd4 {main}) 9. d4 (9. O-O) 9... c4 $146 {bypasses the centre, but the Bl pawns become a target} (9... b4 10. Ne2 Nf6 {main}) 10. d5 $16 Ne5 (10... b4 $5) 11. Bxa7 (11. Nxe5 dxe5 12. Bxa7) 11... Nxf3+ 12. Bxf3 Rb7 13. Bd4 e5 14. Be3 h5 (14... b4 15. Ne2 f5) 15. h4 (15. b4 {Komodo10}) 15... Bh6 16. a4 (16. b4) 16... Qa5 ( 16... Bxe3) 17. O-O $18 b4 18. Nb5 Ke7 (18... Rd7 19. Bxh6 Nxh6 20. Be2 $18 { Komodo11}) 19. Be2 $18 (19. Bxh6 Nxh6 20. Be2 (20. Qg5+ f6 21. Qxg6 $18)) 19... c3 20. bxc3 bxc3 21. Qxc3 (21. Qd3) 21... Rxb5 $6 22. Qxc8 Bxe3 23. axb5 Bxf2+ 24. Kxf2 Qb6+ 25. Kg2 1-0 [Event "DyfedLeague:AberystwythA-Carmarthen"] [Site "?"] [Date "2017.05.31"] [Round "?"] [White "Orton, P."] [Black "Robinson, Adam"] [Result "0-1"] [ECO "B00"] [WhiteElo "1597"] [BlackElo "1768"] [Annotator "Rudy"] [PlyCount "84"] [EventDate "2017.06.01"] 1. e4 a5 {FTB; for the boys of the Uni club & James Corrigan; Bl said he would play it & he did. ( in the same competition, Robert Narayan-Taylor has played 1.a4) Has been played 145 times in databases} 2. d4 d6 (2... b6 $5) 3. g3 { Wh plays it carefully, not seeking to punish Bl for the ealy committal a5} (3. Nf3) 3... Nf6 4. Bg2 g6 5. Ne2 Bg7 6. O-O O-O 7. c4 {headed towards a King's Indian setup, where increasingly Bl's a5 fits in with the pawn structure} Nc6 8. Nbc3 e5 (8... h6 9. h3 e5 10. Be3 Bd7 11. d5 Ne7 12. c5 Ne8 {Thiede-Kosa, Berlin Neukoellin 1988,1-0}) 9. d5 Ne7 10. h3 Nd7 11. Be3 Nc5 12. Na4 (12. Bxc5 dxc5 13. Nb5 Ra6 $11 {Komodo11}) 12... Nxa4 13. Qxa4 f5 $11 14. f4 {opening up K side lines, is doubledged} (14. Rac1 $11 {Wh needs a c5 push on the Q side to open up lines}) 14... exf4 15. Bxf4 Bxb2 {snatching a pawn} (15... fxe4 16. g4 h5 17. gxh5 Nf5 18. hxg6 Nh4 19. Qb3 Nxg2 20. Kxg2 Bf5 $11 {Komodo11}) 16. Rab1 Bg7 17. Kh2 $11 Qe8 (17... fxe4 $5) 18. Qc2 b6 19. Nc3 Ba6 20. Nb5 Bxb5 { given as best by Komodo11; but theextra Blpawn now becomes a weakling on c7, assailable down the c file} (20... Qd7 {and waiting , must be a better strategy }) 21. cxb5 Ra7 {Bl didn't like this move, preferring} (21... Rc8 {however there were reasons for this choice; becoming crucial later}) 22. a4 Qd7 (22... fxe4 {Stockfish8 & Komodo11}) 23. Be3 Be5 24. Rf2 Raa8 25. Rc1 Rac8 26. Rcf1 Kg7 {Bl unsure about position here- probably level; which is Komodo11 judgement. ( Bl's extra pawn on c7 cannot be made any use of- Rudy)} 27. Qc1 Kg8 28. Rc2 Bf6 29. Rc4 Be5 30. Rf2 fxe4 31. Rxf8+ Kxf8 32. Bxe4 Nf5 33. Bxf5 ( 33. Bf2 $5) 33... gxf5 (33... Qxf5 34. Rxc7 Rxc7 35. Qxc7 Qf3 36. Bh6+ Ke8 37. Qc8+ Ke7 38. Bg5+ Kf7 39. Qc7+ Kg8 40. Qd8+ {with a perpetual}) 34. Bh6+ { the wrong direction} (34. Bxb6 {with both the KR & N moved away, Bl's passive Q side suddenly collapses; Komodo11 & Rudy} Qf7 35. Rxc7 (35. Qd2 h5 36. h4 f4 37. gxf4 Bf6 38. Bxa5 $18) (35. Bxc7) (35. Bxa5)) 34... Bg7 (34... Kg8) 35. Rh4 (35. Be3 Qf7 36. Bxb6 $16 {Komodo11}) 35... Re8 36. Qb2 (36. Qg5 $11) 36... Qf7 (36... Bxh6 37. Rxh6 Qg7 38. Qd2 Re4 $17 {Komodo11}) 37. Bxg7+ Qxg7 38. Qc2 Re5 39. Qd2 (39. Rf4 Qf7 $15) 39... Ke7 40. Qc2 Kd8 $19 41. Rf4 Qe7 (41... Re3 42. Qf2 Qe7 43. Qf1 Re2+ 44. Rf2 Rxf2+ 45. Qxf2 Qe4 $19 {Komodo11}) 42. h4 $2 (42. Rf2 Kc8 (42... Qf7 43. Qc4 Qxd5) 43. Qd1 Kb7 44. h4 Qf7 45. Rd2 f4 $19 { Komodo11}) 42... Re2+ $19 0-1 [Event "DyfedLeague:AberystwythA-Carmarthen"] [Site "?"] [Date "2017.05.31"] [Round "?"] [White "Francis, Matthew"] [Black "Narayan-Taylor, R."] [Result "1-0"] [ECO "D00"] [WhiteElo "1704"] [BlackElo "1476"] [Annotator "Rudy"] [PlyCount "135"] [EventDate "2017.06.01"] 1. d4 Nf6 2. Bf4 {Tony Geraghty's favourite, long before Carlsen et al} e6 3. e3 d5 4. c3 (4. Nf3 {allows Wh to occupy e5 in response to Bd6}) 4... Bd6 5. Bg3 Ne4 6. Nd2 (6. Bd3 Nxg3 7. hxg3 Nd7 (7... e5 8. dxe5 Bxe5 9. Rh5 { Lui-Kemper, Utrecht OKU op 2001,1-0}) 8. Rxh7 Rxh7 9. Bxh7 Nf6 { Geraghty-Sendall, Dyfed League 2011,1-0} (9... g6 {traps the B})) 6... Nxg3 7. hxg3 Nc6 (7... Nd7 8. Ngf3 e5 {Szekeres-Boricsev, HUN ch tm 2016,1/2-1/2}) ( 7... c5 8. Bd3 Nc6 9. Ndf3 Bd7 {Kamsky-Dreev, Gibraltar Masters 2014,1/2-1/2}) 8. Ngf3 Bd7 (8... e5 $11) 9. e4 dxe4 10. Nxe4 Be7 (10... h6 11. Bd3 e5 $14 { Komodo11}) 11. Bd3 $16 f5 {shifting the N & gaining space, but leaves a weak e6 pawn on an open file} 12. Ned2 Bf6 13. Qe2 (13. O-O {Wh is perfectly safe on the K side}) 13... Qe7 14. O-O-O (14. Nc4) 14... O-O-O 15. Ne5 {after the exchange on e5, Bl no longer has to worry about the weakness on e6} (15. Nc4 $14 {Wh will be able to take back on e5 with a piece, leaving the pressure on}) 15... Rde8 (15... Bxe5 16. dxe5 Qc5 17. Rhe1 Kb8 $14 {Komodo11}) 16. f4 (16. Nxd7 Qxd7 17. Nb3 $16 {Komodo11}) 16... g6 (16... Bxe5 17. dxe5 g5 18. Nb3 $16 {Komodo11}) 17. Rh2 (17. g4) 17... Nxe5 18. dxe5 Bg7 $14 19. Nf3 h6 20. g4 Kb8 21. Nh4 Qf7 22. gxf5 gxf5 (22... exf5 23. Bc4 Be6 24. Bxe6 Qxe6 25. Qc2 Rd8 26. Rhh1 $16 {Komodo11}) 23. g4 h5 (23... fxg4 24. Qxg4 Rd8 25. Ng6 Rhe8 26. Bc2 Bc6 27. Rhd2 Rxd2 28. Rxd2 a6 $14 {Komodo11}) 24. g5 $16 (24. gxf5 exf5 25. Bc4 Be6 26. Bxe6 Qxe6 27. Kb1 $16 {Wh has a protected passed pawn, & Bl has weaknesses ar f5, g6 & h5}) 24... Rd8 25. Nf3 Bf8 26. Rdh1 (26. Nd4 Bc5 27. Bc2 a6 $14) 26... Bc6 $11 {the Bs have enough central space to counter Wh's extra K side space} (26... Bc5 $11) 27. Rh3 Be8 (27... Bc5) 28. Rg1 Bc5 29. Rg2 Bc6 $11 30. g6 $5 {this pawn will be either weak or strong} Qg7 (30... Qd7) 31. Rg5 (31. Bc4 Be4 $11 32. Bxe6 Rd3 33. Ng5 Rxh3 34. Nxh3 Rd8 $11 {Komodo11}) 31... Rh6 (31... Be7 $17 32. Rgxh5 Rxh5 33. Rxh5 Qxg6 34. Nd4 Bd5 35. Qh2 (35. b3 Qg3 $19) 35... a6 36. Rh8 Rxh8 37. Qxh8+ Ka7 38. Qh2 Bc5 $15 {Komodo11}) 32. Nh4 Be7 $17 33. Rxf5 {Wh felt the position was drifting away from him, if he didn't try something; best bet Fritz15} (33. Bxf5 {Komodo11} Bxg5 34. fxg5 exf5 35. gxh6 Qxh6+ 36. Re3 Qg5 37. Nf3 Qxg6 $17) ({the Wh pieces appear awkwardly placed, with natural moves leading nowhere} 33. Rxh5 Rxh5 34. Qxh5 Rh8 $19) 33... Be8 {Bl backs off; both sides short of time} (33... exf5 $1 34. Nxf5 Qf8 (34... Qxg6 35. Nxe7 Qg1+ 36. Qf1 (36. Kc2 Ba4+ 37. b3 Qa1 $19 {Komodo11})) 35. g7 Qf7 36. Nxh6) (33... Bxh4 {Rudy, second possibility} 34. Rxh5 $1 (34. Rf7 Qg8 $1 $19 {Komodo11; Rudy had thought of Qg6 but the B still holding it} 35. Rxh4 Rxg6 36. Bxg6 Qxg6 37. Rxh5 (37. Rf6 Qg1+ 38. Kc2 Be4+ 39. Kb3 Qb6+ 40. Ka3 Qc5+ 41. Kb3 Bd3 42. Qe1 Qc4+ 43. Ka3 Qa6+ 44. Kb3 Bc4+ 45. Kc2 Qxa2 46. Kc1 Bb3 47. Rxh5 Qa1# {Komodo11}) 37... Qxf7 $19) 34... Rxg6 35. Bxg6 Qxg6 36. R5xh4 Qg1+ 37. Kc2 Be4+ 38. Kb3 Qb6+ 39. Ka3 Qa5+ 40. Kb3 Qb6+ $11 {Komodo11}) 34. Rg5 (34. Rxh5 $1 $18 {Komodo11} Rxd3 (34... Rxh5 35. Qxh5 $18) (34... Qf8 35. Rxh6 Qxf4+ 36. Qd2 Qxd2+ 37. Kxd2 Bg5+ 38. Ke2 Bxh6 39. Nf3 Bg7 40. Rh7 Rd7 41. Be4 $18 {Komodo11}) 35. Rxd3 Bb5 36. Kc2 Bxd3+ 37. Kxd3 Bxh4 38. Rxh6 Qxh6 39. Qg4 Qg7 40. f5 (40. Qxe6 Be7 41. Qf7 $18) 40... Qd7+ 41. Qd4 Qb5+ 42. c4 Qc6 43. Qxh4 $18 {Komodo11}) 34... Bxg5 35. fxg5 $11 Rh8 36. Bc2 {too slow- Wh needs to safeguard his advanced pawns} (36. Rf3 $1 {Rudy} Rg8 37. Rf6 Qd7 $15 { Komodo11}) 36... Rd5 (36... Bc6 $17) 37. Nf3 (37. Rf3 Rxe5 38. Qd2 Rd5 39. Qf4 Bc6 40. Qf6 Rd7 41. Qxg7 Rxg7 42. Rf6 Re8 $15 {Komodo11}) 37... Bc6 (37... Bxg6 $19) 38. Nd4 (38. Be4 Rc5 39. Bxc6 Rxc6 40. Qe4 $11 {Komodo11}) 38... Rxe5 39. Nxc6+ bxc6 40. Qd2 (40. Re3 Rxg5 $17 41. Rxe6 $2 (41. Be4 Rf8 $17) 41... Rg1+ 42. Kd2 Rd8+ 43. Bd3 Rg3 $19 {Komodo11}) 40... Rd5 (40... Qe7 41. Kb1 Rd8 42. Qf2 Rf8 43. Qg1 Rxg5 $19 {Komodo11}) 41. Qe3 Re5 (41... Qe7) 42. Qd2 h4 (42... Qe7 {wins g5 & keeps the h pawn as a later threat}) 43. b3 {safeguaring the K with an escape square} Qe7 $19 44. Kb2 Rd8 (44... Qxg5 {keeps guard on the h pawn}) 45. Qf2 Qxg5 46. Qxh4 Qxh4 (46... Rd2) 47. Rxh4 Rg8 (47... Rg5 {more efficient}) 48. Rh7 Rg5 (48... Re2) 49. Re7 e5 (49... Rg2 50. Rxe6 Rf8 51. g7 Rxg7 52. Be4 c5 $17 {Komodo11}) (49... R8xg6 50. Bxg6 Rxg6 51. b4 $11 {is a tricky endgame,though Bl can try to win it}) 50. Be4 $11 (50. b4 $11) 50... Kb7 51. Re6 {(draw?)} (51. b4) 51... Kc8 52. Rxc6 (52. b4 c5 53. b5 $11 {Komodo11}) 52... Rd8 (52... Rf8 53. b4 Rf4 54. Bc2 Rg2 55. Kb3 Kd7 56. b5 a5 57. a4 e4 $17 {Komodo11}) 53. Re6 (53. Rf6) 53... Rd2+ 54. Ka3 Re2 (54... Kd7 55. Rf6 Re2 56. Rf7+ Ke6 57. Bd3 Re3 58. Bc4+ Kd6 59. g7 Reg3 60. Rf6+ Ke7 61. Rf7+ Kd6 62. Rf6+ $11 {Komodo11}) 55. Bd3 (55. Bc6 Rd2 56. Re8+ Rd8 57. Bb7+ Kd7 58. Bc6+ Kc8 59. Bb7+ $11 {repetition}) 55... Kd7 (55... Re3 56. Bb5 Rxc3 $15) 56. Ra6 ( 56. Rf6 $11 Re3 57. Bb5+ Ke7 58. Rc6 e4 59. Kb4 $11 {Komodo11}) 56... Re3 ( 56... Reg2 57. Rf6 R2g3 58. Bf5+ Ke7 59. Rf7+ Kd6 60. Kb2 a5 $15 {Komodo11}) 57. Bb5+ c6 (57... Kd8 58. Kb4 $11 (58. Re6 c5 59. c4 e4 $11 {Komodo11})) 58. Rxa7+ (58. Rxc6 {is a safer pawn to take} Ke7 59. Kb4 $11) 58... Kd6 $17 59. Ba4 {laying a trap} (59. Bc4 Rxg6 60. Kb4 Rh3 $17 {Komodo11}) 59... Rxc3 $19 ( 59... Rxg6 60. Bxc6 {gives survival chances}) 60. g7 e4 $1 61. Kb4 Rcg3 (61... Rc2 62. Rf7 e3 63. Rf6+ Ke5 64. Rf1 e2 65. Re1 Kd6 66. Ka3 Rxg7 $19 {Komodo11}) 62. Ra6 Rc5 $1 (62... Rxg7 63. Rxc6+ Kd5 $17 {should be good enough for a win}) 63. Ra8 Rxg7 64. Rd8+ Rd7 $2 {but this finds a way of losing} (64... Ke7 $1 65. Rd2 (65. Kxc5 Kxd8 66. Kd4 (66. Bxc6 Rc7 $19 (66... e3 67. Bf3 (67. Bb5 Rg5+) 67... Rg2 $19))) 65... e3 66. Re2 Re5 67. Kc3 Kd6 68. Kd3 Rge7 $19 {& sooner or later the Wh K will be driven away fronm the pawn}) (64... Kc7 65. Re8 Rc2 66. Rxe4 Rxa2 {& Bl has lost the passed pawn he needs to ensure the win with an exchange up}) 65. Rxd7+ Kxd7 66. Kxc5 e3 67. Bxc6+ Ke6 68. Bf3 {and the pawn is held} 1-0