Monday, 2 April 2018

Drawing Ahead

At last, with the Dyfed League season approaching its climax, Aberystwyth's run of wins is over. We are not complaining, though, as a draw with Cardigan A after our win over them in the first leg only consolidates our lead. Here is team captain Rudy's summary of the match, which was played at Brynamlwg on 20 March.

Having managed a last-minute defeat of Cardigan in the first leg of the League, the Aberystwyth team strategy was keep the draw in hand on all boards, and push for more if possible. On Board 1, Brendan tried to keep very active by opening things up. This led to an unbalanced position, whuch Howard Williams could have won - a blunder that might have been a Black win was missed, then, despite engines being clear about a win for Cardigan, time pressure produced a repetition. On Board 2, preparation gave Rudy the chance to gain a persistent pressure to give Iolo a taste of what he does to others, but not enough to gain more than the desired draw. On Board 3, Adam got a promising position against Tony, but it petered out to a draw. Julie got a good position against Howard Leah and Black should have barricaded earlier. As it was there could have been a White breakthrough, but then it settled to equality. Result, Aberystwyth got its four draws

[Event "Dyfed League: Aberystwyth-CardiganA"] [Site "?"] [Date "2018.03.20"] [Round "?"] [White "Williams, AH."] [Black "Durand Le Ludec, Brendan"] [Result "1/2-1/2"] [ECO "A57"] [WhiteElo "2325"] [BlackElo "2183"] [Annotator "Rudy"] [PlyCount "89"] [EventDate "2018.03.21"] 1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 (4. Nf3 g6 5. Qc2 d6 6. e4 Nbd7 7. cxb5 Bg7 8. Nc3 O-O {Williams-Morcom, Dyfed League 2017,1-0}) 4... a6 5. b6 (5. bxa6 Bxa6 (5... g6 6. Nc3 Bxa6 7. e4 Bxf1 8. Kxf1 d6 9. Nf3 Bg7 10. g3 Nbd7 11. Kg2 O-O {Bauche-Durand Le Ludec, Avoine op 2017, 1-0}) 6. Nc3 d6 7. Nf3 g6 8. g3 { Williams- Rees, WCC 2003,1/2-1/2}) 5... d6 6. Nc3 g6 7. Nf3 Bg7 8. e4 O-O 9. Be2 Bg4 (9... Nbd7) (9... Qxb6) 10. Nd2 Bxe2 11. Qxe2 Nbd7 12. a4 (12. b7 Ra7 13. O-O Ne8 14. Nc4 Ne5 15. Na5 Nf6 16. b8=Q Qxb8 17. f4 { Mikhalevski-Hendricks, Dieren op 1996,1-0}) (12. O-O Nxb6 13. a4 Ne8 14. Rd1 Nc7 15. a5 Nd7 16. Nc4 Nb5 17. Qd3 Ne5 18. Nxe5 Bxe5 19. Nxb5 axb5 20. Qxb5 Qb8 21. Qe2 Qb3 {Chiong-Shalumov, Dos Hermanas blitz 2003,1-0}) 12... Qxb6 { Komodo11} (12... Nxb6 13. a5 Nbd7 14. O-O Ne8 15. Nc4 Nc7 16. Na4 Nb5 17. Nab6 Ra7 18. Be3 e5 19. dxe6 fxe6 20. Nxd7 Qxd7 21. Rad1 Qc6 22. Qd3 Rd7 23. Nb6 Rc7 24. Qc4 Re8 25. Rd2 Bd4 {Ktyztofiak-Brzeski,Kochan mem op, Koszalin 2006,1/2-1/ 2}) 13. Nc4 Qc7 $11 (13... Qb4 $11 {Komodo11}) 14. a5 Rfe8 15. Bf4 (15. O-O) 15... Nh5 16. Be3 e6 {challenging, but also committal} (16... Rab8 $11 { Komodo11}) 17. O-O exd5 (17... Bxc3 18. bxc3 exd5 19. exd5 f5 20. Qd3 Ne5 21. Nxe5 Rxe5 22. c4 Rae8 23. Bd2 Re4 24. Rab1 Qe7 25. Rb6 Rd4 26. Qe3 Qf8 27. Qc3 f4 28. Bc1 Qe7 29. Rxa6 Qe2 30. Qf3 Qxf3 31. gxf3 Rd8 32. Bb2 Rxc4 $14 { Komodo11}) 18. Nxd5 $16 Qc6 19. Qd3 (19. f3 $16 {Komodo11}) 19... Ne5 (19... Nhf6 20. Rfd1 (20. Rad1 Nxd5 21. Qxd5 Qxd5 22. Rxd5 Rxe4 23. Nxd6 Ra4 $11 ( 23... Rb4 $11)) 20... Ng4 21. f3 Nxe3 22. Qxe3 Rab8 23. Qd2 $14 {Komodo11}) 20. Nxe5 Bxe5 (20... Rxe5 21. f3 $16) 21. Nb6 (21. f4 Bxb2 (21... Bg7 22. f5 $16) 22. Rab1 Bg7 23. Rb6 Qa4 (23... Qc8 24. Rxd6 $16) 24. Nc7 Rxe4 25. Nxa8 Rxe3 26. Qxd6 Bd4 27. Kh1 Kg7 $11 {Komodo11}) 21... Rad8 (21... Ra7) 22. Rab1 (22. f3) 22... Bf4 (22... Nf4 23. Bxf4 Bxf4 24. Nd5 Be5 25. Rfc1 Rb8 26. b4 Rb5 27. Rc4 $14 {Komodo11}) (22... Nf6 23. f4 Bd4 24. Bxd4 cxd4 25. Qxd4 Kg7 26. Nd5 Qc5 27. Qxc5 dxc5 28. Nxf6 Kxf6 29. b4 c4 30. e5+ Kf5 31. b5 axb5 32. Rxb5 Rb8 33. Rd5 Red8 34. Rxd8 Rxd8 35. g3 Ra8 36. Rc1 Rxa5 37. Rxc4 Ra2 $11 38. Rc7 Kg4 39. f5 Kf3 40. Rc3+ Ke4 41. fxg6 fxg6 42. Rc7 Ra1+ 43. Kg2 Ra2+ 44. Kh3 h5 45. e6 Kf5 46. e7 Re2 $11 {Komodo11} 47. Rc5+ Kf6 48. Rc6+ Kg5 49. Ra6 Kf5 (49... Rxe7 $11)) 23. Nd5 Bxe3 24. fxe3 $16 (24. Qxe3 f5 25. Rbd1 $16 {Komodo11} Rxe4 (25... fxe4 26. g4 Ng7 27. Nf6+ $16) 26. Qxe4 fxe4 27. Ne7+ $18) 24... Qc8 ( 24... Re5 25. Rbd1 Qb7 26. b4 cxb4 27. Rb1 $16 {Komodo11}) 25. h3 (25. b4 $18 { Komodo11 & Stockfish9} cxb4 (25... Qg4 26. b5 axb5 27. Qxb5 Qxe4 28. Qb7 Qe6 29. a6 $18 Rd7 30. Nc7 Qxe3+ 31. Kh1 Rf8 32. a7 Qe7 33. Rbe1 Qd8 34. a8=Q $18 { Stockfish9}) 26. Rxb4 Re5 27. Rb6 $18 {Komodo11}) 25... Re5 26. Kh2 (26. Rf3 Qb7 27. Rd1 Qxb2 28. g4 Ng7 29. Rdf1 $16 {Komodo11}) 26... Qe6 27. g4 (27. Qxa6 Rxd5 28. exd5 Qe5+ 29. Kg1 Qxe3+ 30. Rf2 Nf4 31. Rbf1 Nd3 32. Qb7 Nxf2 33. Rxf2 Qe8 34. a6 Rd7 35. Qb5 Re7 36. Qxe8+ Rxe8 37. b3 Ra8 38. Ra2 Kg7 $11 {Komodo11} ) 27... c4 (27... f5 28. gxf5 gxf5 29. Rg1+ (29. Rxf5 Rxf5 30. exf5 Qe5+ 31. Nf4 Nxf4 32. exf4 Qxf4+ 33. Qg3+ Qxg3+ 34. Kxg3 d5 $11 {Komodo11}) 29... Kh8 30. Qc3 Nf6 31. Nxf6 Qxf6 32. Rbf1 Rf8 33. exf5 Rf7 34. Rd1 d5 (34... Rxf5 35. Rxd6 $16) 35. Qxc5 Rxf5 36. Rg2 Qe5+ 37. Kg1 h5 $14 {Komodo11- still a complex set of moves to negotiate}) 28. Qd2 (28. Qc3 {this keeps up the persistant pressure that has been maintained ever since Bl sharpened up the game by opening up the e file while conceding Wh the powerful N on d5} Rxe4 29. Rbd1 Re5 30. e4 Ng7 31. Rf6 Rxd5 (31... Qd7 32. Rxg6 Qa7 33. Rf6 Rxe4 34. Rd2 $16 { Komodo11}) 32. Rxe6 Rxd1 33. Re7 Rc8 34. Rxf7 Kxf7 35. Qf3+ Ke7 36. Qxd1 Ne6 37. e5 dxe5 38. Qd5 Rb8 {other moves lose it seems} 39. Qxe5 Rb5 40. Qc3 Kd6 41. Qxc4 Rxb2+ 42. Kg3 Rb5 43. Qd3+ Kc6 44. Qe3 Nc5 45. Qe8+ Kd6 46. Qf8+ Kc6 47. Qf6+ Kd5 48. Qf7+ Kd4 49. Qxh7 $18 {Komodo11}) 28... Ng7 $14 29. Rf6 $2 { having finally dislodged the Bl N from its perch near the Wh K, Wh is overeager to occupy the f6 square} Qc8 $2 {& Bl misses his chance} (29... Rxd5 $1 {wins a N by detroying the anchor for the Wh R} 30. Qxd5 (30. Rxe6 Rxd2+ { is even worse}) 30... Qxf6 $19 {realised by both in the pm analysis}) 30. Rbf1 Rf8 31. Rxd6 $18 Re6 32. Rxe6 (32. Rb6) (32. Nf6+ Rxf6 (32... Kh8 33. Nd7 { wins more material, either an exchange or the f pawn}) 33. Rdxf6 $18) 32... Qxe6 33. Nf6+ (33. Qd4) 33... Kh8 34. Qd4 Qe7 35. Nd5 (35. Qxc4 $5 Qe5+ 36. Kg2 Nf5 37. exf5 Qxb2+ 38. Kg3 Qxf6 39. fxg6 Qd6+ 40. Qf4 Qxf4+ 41. Rxf4 hxg6 42. Rf6 $18 {Komodo11}) 35... Qd8 36. Qc3 (36. Nb6 Qe7 37. Rf4 f6 38. Nd5 Qd8 39. Qb6 $18 {Komodo11}) 36... Qd6+ (36... f5 37. gxf5 gxf5 38. Rg1 Rf7 39. Nf4 $18 {Komodo11}) 37. Kg2 Qc5 38. Rf6 Qb5 {Bl is struggling to keep his position together} 39. Rb6 Qe8 40. Qd4 (40. Qxc4 $18 h5 41. Nf6 {Bl is running out of moves} (41. Rxa6 $18) 41... Qc8 42. Qxc8 Rxc8 43. Rxa6 $18 {Komodo11}) 40... Qc8 41. Rf6 (41. Qc3) (41. Qe5) 41... h6 42. Qa7 (42. Nb6 Qe8 43. Nd7 Rg8 44. Rxa6 $18 {Komodo11- the simplest}) (42. Rb6 Qe8 (42... Kh7 43. Qe5 Qa8 44. Nf6+ Kh8 45. Qf4 g5 46. Qd6 $18) 43. Qxc4 $18 {Komodo11}) 42... Qe8 43. Qd4 Qc8 44. Qa7 Qe8 45. Qd4 {repeating moves in a won position- time shortage} 1/2-1/2 [Event "Dyfed League: Aberystwyth-CardiganA"] [Site "?"] [Date "2018.03.20"] [Round "?"] [White "Van Kemenade, R."] [Black "Jones, IC."] [Result "1/2-1/2"] [ECO "C24"] [WhiteElo "2015"] [BlackElo "2236"] [Annotator "Rudy"] [PlyCount "101"] [EventDate "2018.03.21"] 1. e4 e5 2. Bc4 Nf6 3. d3 c6 4. Nf3 d5 (4... Be7 5. O-O d6 6. c3 (6. Re1 O-O 7. Bb3 Nbd7 8. c3 Nc5 9. Bc2 Ne6 (9... Bg4 10. h3 Bh5 11. Nbd2 Ne8 12. g4 Bg6 13. Nf1 {Van Kemenade-Jones, Dyfed League 2012, 1/2-1/2}) 10. d4 Qc7 11. Nbd2 Rd8 12. Nf1 g6 {Watkin-Jones vs Jones, Dyfed League 2015, 1/2-1/2}) 6... O-O 7. Bb3 Nbd7 8. Nbd2 Qc7 9. Re1 d5 10. h3 {Van Kemenade-Jones, Dyfed Open 2013,0-1}) 5. Bb3 Bb4+ (5... Bd6 6. Nc3 (6. Nbd2 Nbd7 7. O-O O-O 8. Re1 Re8 9. Nf1 Nc5 10. Ng3 Nxb3 11. axb3 h6 {Bukacek-Jones, EU Seniors tm , 2015,1/2-1/2}) 6... dxe4 7. Nxe4 Nxe4 8. dxe4 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 Qxd2+ 11. Nxd2 Ke7 {White- Jones, EU Seniors tm 2016, 1/2-1/2}) 6. Bd2 (6. c3 Bd6 7. Nbd2 O-O 8. O-O Nbd7 9. Re1 Qc7 10. Nf1 dxe4 11. dxe4 Nc5 12. Bc2 Rd8 13. Qe2 {Ralphs-Jones,WCPL 2016,1/2-1/21}) 6... Bxd2+ 7. Nbxd2 Nbd7 (7... Bg4 {alternative}) 8. O-O O-O 9. Re1 Re8 10. d4 {Bl has a centre, but Wh is ahead in development, so destroy the centre & aim to give Bl a weak isolated QP.} exd4 (10... dxe4 $2 11. Ng5 Re7 12. Ndxe4 Nxe4 13. Rxe4 $16 {Bl has to worry about f7}) 11. exd5 Rxe1+ ( 11... c5 12. Rxe8+ Qxe8 13. d6 {is quite dangerous} (13. Qf1 Nb6 14. Re1 Qf8 15. Re5 Bd7 16. c3 {Urban-Polakovic,CZE ch corr 1989,1/2-1/2})) 12. Qxe1 cxd5 ( 12... Nxd5 13. Bxd5 cxd5 14. Nxd4 Nf6 15. Qe3 Qb6 16. Re1 {So-Torre, PGMA cup, Manila 2006,1/2-1/2}) 13. Nxd4 Nc5 14. Qe5 (14. c3 Bd7 15. N2f3 Qb6 16. Qd2 Ba4 17. Qc2 Bxb3 18. axb3 Re8 19. b4 Nce4 20. Re1 g6 21. h3 Kg7 22. Qc1 { Kasimdzhanov-Christiansen, Yerevan ol 1996,1-0}) (14. N2f3 Nce4 15. h3 a5 16. a4 Be6 17. Rd1 Qb6 18. Qe3 {Rublevsky-Safarli, Wld ch blitz, Berlin 015, 0-1}) (14. Qe3 Bd7 15. Re1 a5 16. c3 Qb6 17. Rb1 Re8 18. Qf3 Bg4 19. Qg3 Nxb3 20. axb3 Bh5 21. f3 {Schneider-Heinemann, Erfurt Young Masters 2017,0-1}) 14... Nxb3 (14... a5 15. Re1 Be6 16. c4 a4 17. Bc2 Qa5 18. Qe3 dxc4 19. Nxe6 Nxe6 20. Nxc4 Qb4 {Flores-Lorenzini, San Luis 2013,1/2-1/2}) (14... Qa5 15. Nf1 Nxb3 16. Nxb3 Qb6 17. Qd4 Qc7 18. Ne3 Be6 19. Nc5 b6 {Ruefenacht-Hess, Biel Masters 1983,1/2-1/2}) 15. axb3 $14 Bd7 (15... Qb6) 16. h3 (16. Qd6 {Komodo11; considered} Qf8 17. Qc7 Qc8 18. Qxc8+ Bxc8 19. b4 $14) 16... Qb6 17. c3 Re8 18. Qf4 a6 19. b4 (19. Nf1 h6 20. Ne3 Be6 21. b4 $14 {Komodo11}) 19... Qd8 { anticipating Ra5-c5 & Qc7} 20. N2f3 (20. Qd6 Qb8 (20... Bc8 21. Qxd8 Rxd8 22. b5 $16 {Komodo11}) 21. Qxb8 Rxb8 22. N2b3 Kf8 23. Nc5 Ke7 24. Re1+ Kd6 25. g4 $14 {Komodo11}) 20... Qb8 21. Qxb8 (21. Qd2 Ne4 22. Qd3 $11 {considered in pm analysis} Qd6 $11) 21... Rxb8 22. Re1 {looks like Wh should have kept Rs on, as his is more active, & Bl has no penetration square on the e file} (22. Ne5 Re8 23. Nd3 h5 (23... Ne4 24. Ra5 Nf6 25. f3 g5 26. Nc5 Bc8 27. Ra1 $16 { Komodo11}) (23... Kf8 24. Nc5 Rb8 (24... Bc8 25. b5 axb5 26. Nxb5 Ne4 27. Nxe4 dxe4 28. Nd6 $16) 25. g4 h6 26. Kg2 Bc8 27. f3 $16 Ne8 (27... Ra8 28. b5 Nd7 29. Nxd7+ Bxd7 30. Ra5 Be6 31. bxa6 Rxa6 32. Rb5 Ra7 33. Rb6 $16 {Komodo11}))) 22... Re8 23. Rxe8+ Nxe8 24. Ne5 Bc8 25. f3 Nd6 $11 26. b3 {not neccessary yet, } (26. Kf2 Nc4 $2 (26... g5 $11) 27. Nxc4 dxc4 28. Ke3 Kf8 29. Ke4 $1 {Komodo11 } Ke8 30. Kd5 {wins a pawn, as Bl has no protection againstthe advanced Wh K entry on the bl squares} b5 31. Kc6 Kd8 32. Kb6 h5 33. Nc6+ Ke8 34. Na7 Bf5 35. Kxa6 Bd3 36. Nxb5 Bf1 37. g4 Bxh3 38. gxh5 $18) 26... f6 27. Nd3 Kf7 28. Nf4 { Bl comes close to losing his d pawn , but still has resources} (28. g4 { prepares, but Bl has several defences} g5 (28... Bd7 29. Nf4 Bc6 (29... Nb5 30. Nxb5 Bxb5 31. Kf2 Bc6 32. Ke3 Ke7 33. Kd4 {and the Bl K can't leave the K side because of Nh5}) 30. Kf2 g5 31. Nfe6 Ke7 32. Nc5 Bb5 $11) 29. Kf2 f5) 28... Nf5 29. Nc2 {Nontheless the position remains much easier to play for wh ( who was almost an hour up on the clock, because Bl has to calculate all these forcing variations, while Wh can just choose to pile on the pressure} (29. Nxf5 Bxf5 30. Nxd5 (30. Ne2 Ke6 31. Kf2 (31. f4 Be4 32. Nd4+ Kd6 33. Kf2 h6 34. g3 h5 35. Ke3 Bb1 36. g4 hxg4 37. hxg4 Be4 38. b5 (38. c4 b6 39. cxd5 Kxd5 (39... Bxd5 40. Nf5+ Kd7 41. Nxg7 Bxb3 42. Kd4 Bd1 43. g5 fxg5 44. fxg5 Bg4 $11) 40. Ne6 Kxe6 41. Kxe4 b5 42. Kd4 Kd6 43. f5 Kc6) 38... a5 $11) 31... Ke5 32. Ke3 g5 33. Nd4 Bd7 {& Wh can't easily shift the K from e5- even a K on d6 will hold even if Wh gets a K to d4}) 30... Be6 31. Ne3 Bxb3 $15 {liberates the B}) 29... Be6 (29... g5) 30. g4 Ne7 31. Nd4 Bd7 32. Kf2 g5 33. Nd3 b6 (33... Nc6 34. Nxc6 Bxc6 35. Ke3 Bb5 $11 {looks like holding as well, but there are risks in giving Wh access to d4}) 34. f4 h6 35. Ke3 Ke8 36. f5 Kd8 37. Nf3 (37. c4 dxc4 38. bxc4 b5 (38... a5 39. b5 Kc7 40. Nb2 h5 41. Na4 hxg4 42. hxg4 Bc8 43. Nb3 Bb7 44. c5 Nd5+ 45. Kd4 $16 {Komodo11 nudged}) 39. c5 Nd5+ 40. Kf3 Kc7 41. Ne6+ Kc8 $11 {Wh has no further entry squares}) 37... Nc6 (37... Kc7 38. Kd4 Kd6 39. c4 Nc6+ 40. Kc3 dxc4 41. bxc4 Be8 42. c5+ bxc5 43. Nxc5 Nb8 44. Ne4+ Ke7 45. Kd4 h5 46. Kc5 Bc6 47. Nfd2 hxg4 48. hxg4 Ba8 49. Kb6 Nc6 $11 {Komodo11}) 38. h4 (38. b5 {Komodo11; considered} axb5 39. Nd4 Ne7 40. Ne1 b4 41. cxb4 Kc7 $11) 38... Kc7 (38... d4+ {Komodo11} 39. cxd4 (39. Nxd4 Nxd4 40. Kxd4 gxh4 41. Ke3 Kc7 42. Ne1 Bc6 43. Nf3 h3 44. Kf4 Bb5 45. c4 Bc6 46. Kg3 Kd6 47. Ne1 Ke5 48. Kxh3 Kd4 49. Kh4 Be8 50. b5 axb5 51. cxb5 Bxb5 52. Kh5 Be2 53. Ng2 Ke5 $11 { Komodo11; but this is the kind of endgame where its difficult to calculate all the consequences of the moves to be made}) 39... Ne7 40. hxg5 hxg5 41. Nd2 Nd5+ 42. Ke2 Kc7 $11 {Wh's extra pawn is thoroughly blockaded}) 39. hxg5 {angling for a chance to sac a piece on g5 to push a pawn through} (39. h5 Be8 40. Nd4 Kd6 41. Nxc6 Bxc6 42. Kd4 Bb5 {gets Wh nowhere}) 39... hxg5 40. Nd4 Ne7 (40... Kd6 $11) 41. Ne1 (41. Nf2 Ng8 42. Nh1 Kd6 43. Ng3 Nh6 44. Kf3 Nf7 45. Nh5 Ne5+ 46. Kg3 Ke7 $15 {Komodo11}) 41... Kd6 42. Nef3 Bc8 43. Ne2 {Wh was also looking at the implications of getting a N to a4 , hopefully to force b5, but most likely the B would take it.when a subsequent b5 would gibe Bl the c5 square for the N} Nc6 (43... a5 44. bxa5 bxa5 45. Ng3 Bd7 46. Nh5 Ng8 47. Kd4 Be8 48. Ng7 Bb5 49. Ke3 a4 50. bxa4 Bxa4 $11 {Komodo11- Wh's g4 pawn is vulnerable}) 44. Ng3 Bd7 45. Nh5 Ke7 46. Ng3 Be8 47. Ne2 Bf7 48. Ned4 Nd8 ( 48... Nxd4 {also draws, but why risk K access by Wh}) 49. Ne1 Kd6 50. Nd3 Be8 51. Kd2 {(draw?) There is no reason for Wh to venture upon more complex lines. most likely drawn, but where a single slip could be fatal.} (51. Nb2 Bd7 (51... a5 52. b5 Nf7 53. Na4 Kc7 54. Ne6+ Kb7 55. Ng7 Bxb5 56. Nh5 Bxa4 57. bxa4 b5 58. axb5 a4 59. Kd2 Kb6 60. Nxf6 Kxb5 61. Nxd5 Kc4 62. Ne3+ Kb3 63. c4 Nd6 64. Kc1 Ne4 $11 {Komodo11.}) 52. Na4 Kc7 $11 (52... Bxa4 53. bxa4 Nf7 54. Nf3 Nh6 55. Nh2 Ke5 {just worsens the Wh position &} 56. Nf3+ Kd6 57. Nh2 Ke5 {is repetition})) 1/2-1/2 [Event "Dyfed League: Aberystwyth-CardiganA"] [Site "?"] [Date "2018.03.20"] [Round "?"] [White "Haigh, A."] [Black "Watkin-Jones, A."] [Result "1/2-1/2"] [ECO "D03"] [WhiteElo "1928"] [BlackElo "1957"] [Annotator "Rudy"] [PlyCount "53"] [EventDate "2018.03.21"] 1. d4 Nf6 2. Bg5 d5 3. Nf3 (3. Bxf6 {has been Tony's invariable reply, though with a record of 2 wins, 5 draws & 3 losses in the databases. To avoid preparation, an offer to go to a more mainline Queen's Gambit}) 3... e6 4. e3 c5 (4... Be7 5. Bd3 (5. c4 O-O 6. Nc3 {transposes to main QGD})) 5. dxc5 (5. c3 {eg Carlsen-Xiong, Chess.com I o Man Masters, Douglas 2017,1-0}) 5... Bxc5 ( 5... Nc6) 6. c4 (6. Nbd2) (6. Bd3) 6... Qa5+ 7. Nbd2 Ne4 8. a3 $146 (8. Bf4 { Komodo11}) (8. cxd5 exd5 9. a3 Nxg5 10. Nxg5 Be7 11. b4 Qb6 12. Ngf3 a5 13. Qa4+ Bd7 14. b5 Bf6 15. Nd4 Na6 16. N2f3 Nc5 17. Qd1 a4 {Bilek-Zaitsev, Sochi 1963,0-1}) (8. Bh4 Bb4 9. a3 Bxd2+ 10. Nxd2 Qxd2+ 11. Qxd2 Nxd2 12. Kxd2 dxc4 13. Bxc4 Bd7 14. Rac1 O-O {Kiviaho-Nykopp, FIN ch tm 1988, 1/2-1/2}) (8. Bd3 Nxd2 9. Nxd2 dxc4 10. Bxc4 Bb4 11. Bf4 e5 12. Bg3 O-O 13. a3 Bxd2+ 14. Qxd2 Qxd2+ 15. Kxd2 Nc6 16. Ke2 $14 {Breskanu-Schankin, Ulyanovsk Povolje op 2015, 1-0}) 8... Nxg5 (8... dxc4 9. Bxc4 (9. Bd8 Kxd8 10. Bxc4 Ke7 11. b4 Bxb4 12. axb4 Qxb4 13. Rb1 Qc3 14. Rb3 Qa5 15. Rb5 $11 {Komodo11}) 9... Nxg5 10. Nxg5 Bxe3 11. fxe3 Qxg5 12. Qe2 O-O $15 {Komodo11}) 9. Nxg5 Qd8 (9... dxc4 10. Nge4 (10. Bxc4 Bxe3 $15) (10. Qf3 O-O 11. Qe4 g6 12. Qh4 h5 13. Nge4 Rd8 14. g4 Kf8 15. gxh5 Be7 16. Qh3 Qxh5 17. Qxh5 gxh5 18. Bxc4 $11 {Komodo11}) 10... Be7 11. Bxc4 O-O $15 {Komodo11}) (9... Qb6 10. cxd5 (10. Qf3 O-O 11. cxd5 Qxb2 12. Rb1 Qe5 13. Nge4 Nd7 14. dxe6 Qxe6 15. Bc4 Qg6 16. Nxc5 Nxc5 17. O-O $11) 10... Bxe3 11. Nge4 exd5 12. fxe3 dxe4 13. Qa4+ Nc6 14. Qxe4+ Be6 15. Bc4 O-O 16. Bxe6 fxe6 17. Qxe6+ Kh8 18. O-O-O Rfe8 $11 {Komodo11}) 10. Ngf3 O-O 11. cxd5 Qxd5 (11... exd5 $11) 12. Nb3 (12. Be2 Be7 13. O-O Bd7 $11 {Komodo11}) 12... Qxd1+ 13. Rxd1 Bb6 (13... Be7) 14. Be2 Bd7 15. Nbd4 Rd8 16. O-O (16. Bb5 $11) 16... a6 $11 17. Rd3 (17. Ne5 Ba4 18. b3 Be8 19. Bf3 Bc7 20. Nd3 Ra7 21. Rc1 b6 $11 {Komodo11}) 17... Nc6 18. Rfd1 Be8 19. Nxc6 Bxc6 20. Ne5 Rxd3 (20... Be4 { keeps the 2 Bs}) 21. Rxd3 Bb5 (21... Be4 22. Rb3 Bc7 23. f4 Bxe5 24. fxe5 Rc8 25. Rb4 Rc2 26. Bf3 Bxf3 27. gxf3 b5 28. a4 Rc5 29. f4 g5 30. axb5 axb5 31. Kf2 $11 {Komodo11}) 22. Rb3 Bxe2 23. Rxb6 Rd8 (23... Rc8 24. h3 Rc7 $11) 24. f4 ( 24. h3 f6 25. Nf3 e5 26. Rxb7 $14 {Komodo11}) 24... f6 25. Nf3 Bxf3 26. gxf3 Rd7 27. Kf2 $11 {(draw?)} 1/2-1/2 [Event "Dyfed League: Aberystwyth-CardiganA"] [Site "?"] [Date "2018.03.20"] [Round "?"] [White "Van Kemenade, J."] [Black "Leah, H."] [Result "1/2-1/2"] [ECO "B23"] [WhiteElo "1740"] [BlackElo "1467"] [Annotator "Rudy"] [PlyCount "62"] [EventDate "2018.03.21"] 1. e4 c5 2. Nc3 e6 3. f4 a6 4. Nf3 Nc6 5. a3 Qc7 6. d3 d6 7. Be2 Nf6 8. O-O Be7 9. Qe1 O-O 10. Bd1 Ne8 11. Ne2 (11. g4 $5 {Rudy}) 11... f5 {digging in} 12. Ng3 Nf6 13. c3 b5 14. Bb3 Na5 (14... c4) 15. Bc2 Ng4 16. h3 Nh6 17. Bd2 (17. Ng5 $16) (17. b4 Nc6 18. Be3 $16) 17... Qd8 (17... c4) 18. Rd1 (18. b4 Nc6 19. Qf2 $16) 18... Kh8 19. d4 cxd4 20. cxd4 (20. Nxd4) 20... Nc4 21. Bc1 (21. Bc3 d5 22. exd5 exd5 (22... Qxd5 23. Nxf5 Nxf5 24. Be4 Qd6 25. Bxa8 $16)) 21... Qc7 22. Bb1 (22. d5) (22. b3 Nxa3 23. Bd3 b4 24. Bb2 Nb5 25. Rc1 Qb7 26. Rf2 $14) 22... Bd7 $2 23. Ng5 (23. exf5 $18 {the e7 B is hanging}) (23. Nh5 g6 (23... Be8 24. Nxg7 Kxg7 25. b3 Nb6 26. d5 exd5 27. exf5 Bf6 28. Be3 $16 {Komodo11}) ( 23... Qd8 24. b3 Nb6 25. d5 exd5 26. Bb2 $18 {Komodo11})) 23... Rae8 (23... Qd8 24. b3 Nb6 25. d5 $18 {Komodo11}) 24. Nh5 (24. b3 {Rudy} Na5 25. Qe3 d5 $11 { Komodo11}) 24... Qd8 (24... d5 $11) 25. Qc3 (25. b3 $1 {Rudy; the K is on the long diagonal, so the B needs to take aim along it} Na5 (25... Nb6 26. d5 $18 ( 26. Qg3 $18)) 26. d5 $18 {Stockfish9 & Komodo11} Bf6 (26... exd5 27. Bb2 Bf6 28. Nxf6 Rxf6 (28... gxf6 29. Qh4 Kg7 30. Rxd5 Be6 31. Rd3 $1 (31. Nxe6+ Rxe6 32. Qg5+ Kh8 33. Qxh6 $18) 31... Qe7 32. Rg3 Bg8 33. e5 dxe5 34. Nxh7+ Kxh7 35. Bxf5+ Kh8 36. Qxh6+ Bh7 37. fxe5 fxe5 38. Bxe5+ Qxe5 39. Qxh7# {Stockfish9}) 29. Bxf6 gxf6 30. Qh4 fxg5 31. Qxh6 Re6 32. Qxg5 Qxg5 33. fxg5 fxe4 34. Rxd5 Nxb3 35. Ba2 Nc5 36. Rxd6 $18 Re8 37. Rd5 Be6 38. Re5 Kg7 39. Rf6 $18 { Stockfish9}) (26... e5 27. Ne6 Bxe6 28. dxe6 Nc6 29. exf5 Nxf5 30. fxe5 Qb6+ 31. Kh1 Ncd4 32. Bb2 d5 33. Nf6 $18 {Stockfish9} (33. g4 $18 {Stockfish9})) 27. Nxf6 Rxf6 28. dxe6 Bxe6 29. Nxe6 Rexe6 30. Bb2 Rf7 31. e5 d5 32. Qe3 Ng8 33. Bd4 g6 34. Qf3 Rd7 35. g4 $18 {Komodo11}) 25... Nf7 (25... d5 26. e5 Nf7 $11 { Komodo11}) 26. exf5 (26. d5 e5 27. Ne6 Bxe6 28. dxe6 Nh6 29. b3 Nb6 30. fxe5 Qc8 31. Qg3 Qc5+ 32. Kh1 Qxe5 33. Bf4 Qb2 34. Rf2 $18 {Ko odo11}) (26. Nxe6 Bxe6 27. d5 Bf6 28. Nxf6 Qxf6 29. Qxf6 gxf6 30. dxe6 Rxe6 31. b3 Nb6 32. exf5 Re2 33. Rfe1 $18 {Komodo11}) 26... exf5 27. h4 (27. d5 Bf6 28. Nxf6 Qxf6 29. Qxf6 gxf6 30. Ne6 Bxe6 31. dxe6 Rxe6 32. Bxf5 Re2 33. Bd3 Re7 34. b3 Ne3 35. Rfe1 Rfe8 36. Rxe3 (36. Bxe3) 36... Rxe3 37. Bxe3 Rxe3 38. Kf2 Re7 39. Rc1 Kg7 40. Rc6 Ra7 41. g3 $18 {Komodo11}) 27... Nxg5 (27... d5 $15 {Komodo11}) 28. hxg5 (28. fxg5 d5 29. b3 Nd6 30. Bf4 $14 {Komodo11}) 28... d5 $15 29. Qh3 g6 30. Ng3 Rf7 (30... Bd6 $19) 31. Rfe1 Bf8 $15 {(Draw?)} 1/2-1/2

Thursday, 1 March 2018

More of the Same

Aberystwyth's run of good form is leaving me pushed for new ways to describe it - not that I'm complaining. It was more of the same on Wednesday 21st February when we took on Steynton A at the Emlyn Cafe, Tannygroes. Brendan-Budok Durand-Le Ludec played calmly against Martin Jones's quiet Alapin treatment of the Sicilian, targeting the weak pawns, then sacrificed the exchange in the ending to clear out almost all the White pawns that remained, leaving an easy win. Rather as in his last match game, Rudy van Kemenade stormed through the centre with his pawns against David Pinch's King's Indian (by transposition). This time he was helped by Black's vulnerable king, but the result was the same. Adam Watkin-Jones reached an ending with two bishops versus two knights against John Miller, but it proved to be not enough of an advantage for a win. After some early skirmishing in a Sicilian, Julie van Kemenade reached a materially level major-piece middlegame against Gwyn Evans, but her domination of the e-file and Black's shaky king position soon proved decisive. A win for Aberystwyth by 3½-½.

[Event "Dyfed League:Aberystwyth-SteyntonA"] [Site "?"] [Date "2018.02.21"] [Round "?"] [White "Jones, Martin C"] [Black "Durand Le Ludec, Brendan"] [Result "0-1"] [ECO "B14"] [WhiteElo "1785"] [BlackElo "2183"] [PlyCount "72"] [SourceDate "2018.02.22"] [SourceVersionDate "2018.02.22"] 1. e4 c5 2. c3 g6 3. d4 (3. Nf3 Bg7 4. d4 cxd4 5. cxd4 d5 6. exd5 Nf6 7. Nc3 O-O 8. Bc4 Nbd7 9. d6 exd6 10. O-O Nb6 11. Bd3 Be6 {Jones-Heap, Dyfed League 2017,0-1}) 3... cxd4 4. cxd4 d5 5. exd5 (5. e5 {transposes to a Gurgenidze Caro-Kann}) 5... Nf6 6. Nc3 Nxd5 (6... Bg7 {main}) 7. Bc4 Nb6 8. Bb5+ (8. Bb3 Bg7 9. Nf3 O-O 10. O-O Nc6 {main}) 8... Bd7 9. Nf3 (9. Bf4 Bg7) 9... Bg7 10. O-O (10. Bxd7+ Qxd7 {main}) 10... O-O 11. Ne5 $146 (11. Bxd7 Qxd7 12. Be3 Nc6 13. d5 Nb4 14. Bxb6 axb6 15. Qb3 Nd3 16. Rfd1 Nf4 17. Kf1 Bxc3 18. bxc3 Nxg2 { Vulin-Kojovic, Gligoric Cup, Novi Banovci 2017,0-1}) (11. Re1 Bxb5 12. Nxb5 Nc6 13. Be3 Nd5 14. Nc3 Nxe3 15. fxe3 e6 16. Qb3 Na5 17. Qa4 a6 18. Rac1 b5 19. Qd1 Rc8 {Senic-Becelic, Belgrasfe City ch tm 2013,0-1}) (11. a4 {Cloud Engines}) 11... Bxb5 12. Nxb5 N8d7 (12... Nc6 $15 {Komodo11}) 13. Bf4 (13. Nf3 Nd5 14. Qb3 N7f6 15. Nc3 $11 {Komodo11}) 13... Nd5 $15 14. Bg3 a6 15. Nc3 Nxc3 16. bxc3 Nxe5 17. dxe5 (17. Bxe5 Bxe5 18. dxe5 Qc7 $15 {Komodo11}) 17... Rc8 (17... e6 18. f4 Qc7 19. Qf3 Rac8 20. Bf2 b5 21. Bd4 Qc4 $15 {Komodo11}) 18. Rb1 (18. Qb3 Qd7 19. Rfd1 Qc6 20. a4 Rfd8 $15) 18... b5 $17 {Wh has 3 weak pawns, & f4 will become the 3rd if it comes to the aid of e5.} 19. Rb3 {preferably Rs should not be in defensive positionsbut active against enemy pawns} Rc4 (19... Qa5 20. Qc2 Rfd8 $17 {Komodo11}) 20. f4 (20. Qxd8 Rxd8 21. Ra3 Rc6 22. Ra5 Rd3 23. a4 bxa4 24. Rxa4 Rdxc3 25. f3 R3c4 26. Rxc4 Rxc4 27. Ra1 Rc6 $15 {Komodo11 - the a pawn will be difficult to advance, though Wh also has the inferior B}) 20... Qc7 21. Qf3 Rc8 {oddly enough 2 other games in the match also featured trippled major pieces} 22. Bh4 (22. Be1 $5) 22... e6 23. Rd1 (23. Re1 Bf8 24. Bf2 Qa5 $19) 23... Bh6 (23... Bxe5 24. fxe5 Rxh4 25. Qe3 Ra4 26. Rd2 Qc6 $19 { Komodo11}) 24. g3 Bf8 25. g4 (25. Kg2 Qa5 26. Rd2 Rxc3 27. Rxc3 Rxc3 28. Qd1 Rc8 $17 {Komodo11}) 25... Ra4 $19 (25... Qa5 26. Be1 Qa4 27. Bd2 Qxa2 $19 { Komodo11}) 26. Rd2 Qc4 27. Bg3 Rxa2 28. Rxa2 Qxb3 29. Rxa6 Rxc3 $19 30. Qb7 ( 30. Qf1 Qd5 31. Bf2 Bc5 $19 {Komodo11}) 30... Rxg3+ {Bl opts to give up an exchange for multiple pawns & a weak K, he has to be careful of his own K safety, however , as usual, the Engine has a quicker solution} (30... Qd1+ 31. Kg2 Rc2+ 32. Kh3 h5 $1 33. gxh5 gxh5 {and Q & R sacrifices only delay the mate on g4- Komodo11}) 31. hxg3 Qxg3+ 32. Qg2 (32. Kf1 Qxf4+ 33. Ke2 Qxe5+ 34. Kd1 Qd4+ 35. Ke1 Qxg4 {Komodo11 carries on pursuing the K, but the Bl pawn mass & B are more than enough to win}) 32... Bc5+ 33. Kh1 Qe1+ (33... Qxf4 $19) (33... Qh4+ 34. Qh2 Qxg4 $19) 34. Kh2 Qh4+ 35. Qh3 Qf2+ 36. Qg2 Qxf4+ (36... Qxf4+ 37. Qg3 Qe4 38. Kh3 Bd4 39. Qg2 Qxe5 {looks awful for Wh}) 0-1 [Event "Dyfed League: Aberystwyth - Steynton A"] [Site "Tanygroes"] [Date "2018.02.21"] [Round "?.2"] [White "Van Kemenade, R."] [Black "Pinch, David"] [Result "1-0"] [ECO "E91"] [WhiteElo "2015"] [BlackElo "1623"] [PlyCount "65"] [EventDate "2018.??.??"] [SourceDate "2016.12.01"] 1. e4 d6 2. d4 g6 3. c4 {transposing from a Modern to a Kings Indian structure} Nf6 4. Nc3 Bg7 5. Nf3 Bg4 {A Simagin variation, to put pressure on d4, though usually entered one move later after 0-0 & Be2} 6. Be3 O-O 7. Be2 c6 {perhaps a little slow} (7... Nfd7 {main move} 8. Nd2 (8. Rc1) (8. Ng1) 8... Bxe2 9. Qxe2 e5 (9... Nc6) 10. d5 a5 11. h4 f5 12. Bg5 Bf6 {O'Neill-Van Kemenade, Yorkshire League 1998,0-1}) (7... Nbd7 8. Nd2 Bxe2 9. Qxe2 e5 10. d5 c6 11. O-O Nh5 (11... c5 12. g4 Ne8 13. Kh1 Bf6 14. Nf3 Ng7 15. Bh6 {Khenkin-Schwarz, EU cup Fuegen 2006,1-0}) 12. g3 Qe8 13. f3 f5 {Van Kemenade-Hart, Lancashire League 1975,0-1}) 8. Nd2 (8. O-O Nbd7 9. h3 Bxf3 10. Bxf3 e5 11. d5 c5 12. a3 { main sequence}) 8... Bxe2 9. Qxe2 Qc7 $146 (9... e5 {Rudy, Bl needs to get this move in, especially since Wh has moved the N from protecting d4} 10. d5 Nbd7 11. O-O {Van Kemenade-Hart above} (11. g4 $5)) (9... Nbd7 10. O-O e5 11. d5 {back to above}) 10. d5 {expanding in the centre} (10. O-O e5) 10... Nbd7 ( 10... e5 11. dxe6 fxe6 12. e5 dxe5 13. Nde4 $14 {is a promising sacrifice to tie down the Bl pieces}) 11. O-O a5 (11... e5 $14 {last chance}) 12. f4 Nc5 $6 {standard in many King's Indian lines, but here it hands over the centre to Wh} (12... Rfe8 13. Rac1 (13. Rfe1 e6 $11) 13... e6 14. Qf3 Qd8 15. dxc6 bxc6 16. c5 Nxc5 17. e5 Nd5 18. Bxc5 dxc5 19. Nce4 $14 {Komodo11}) 13. Bxc5 dxc5 14. e5 $16 Nd7 (14... Ne8 15. dxc6 bxc6 16. Nde4 $16 {Komodo11}) 15. Nde4 (15. e6 { considered,seems premature} Nb6 16. f5 Qe5 17. exf7+ Rxf7 18. fxg6 Rxf1+ 19. Rxf1 hxg6 20. dxc6 Qxe2 21. Nxe2 bxc6 22. b3 a4 23. Ne4 $11 {too much material has been exchanged for Wh to be able to exploit the Bl P weaknesses}) 15... h6 {to prevent e6 followed by Ng5} (15... f6 16. Rad1 (16. d6 Qd8 17. e6 f5 18. Nf2 Nf6 19. Rad1 $16) 16... fxe5 17. Ng5 Qb6 18. Ne6 Rf7 19. f5 gxf5 20. Na4 Qa7 21. Qh5 Nf8 22. Rxf5 $18 {Komodo11, Bl's K side needs extra pieces now the pawn chain has been breached & they are far away}) 16. Rad1 $18 (16. d6 exd6 17. Nxd6 f6 $16) (16. Qf2 {considered} Rfe8 (16... b6 17. dxc6 Qxc6 18. Nd5 Rae8 19. Rad1 $16) 17. Nxc5 Nxc5 18. Qxc5 Rac8 19. Rad1 $16) 16... f6 (16... Rae8 17. Qf2 b6 18. Qh4 f5 19. Nd2 g5 20. fxg5 hxg5 21. Qxg5 Nxe5 22. Rxf5 Rxf5 23. Qxf5 Qc8 24. Qh5 $18 {Komodo11}) 17. e6 $18 (17. d6 $18 exd6 18. exd6 (18. Rxd6 fxe5 19. Rxg6 Rxf4 20. Rxf4 exf4 21. Qg4 Ne5 22. Nf6+ Kh8 23. Qxf4 $18 { Komodo11}) 18... Qb6 19. f5 g5 20. h4 $18 {the Bl position has too many holes, but the way forward is not clearcut}) 17... f5 (17... Nb6 18. d6 (18. f5 $18) 18... exd6 19. Nxd6 Rfd8 20. e7 Rxd6 21. Rxd6 Qxd6 22. Rd1 Qb8 23. Ne4 Kh7 24. Nd6 $18 {Komodo11}) 18. exd7 fxe4 19. Qxe4 (19. Nxe4 {initial idea} cxd5 (19... Bd4+ 20. Rxd4 cxd4 21. Qg4 $18) 20. Rxd5 Bd4+ 21. Kh1 e6 22. Rd6 Ra6 23. Rxa6 bxa6 24. Qg4 Qxd7 25. Qxg6+ Bg7 26. Qg4 $18 {Wh is a pawn up & the Bl K still in a draught}) (19. Qg4 $1 {Komodo11, keeps the advanced pawn a little longer ( but looks a little messy)} Rad8 20. Qxg6 Qxd7 21. Nxe4 Qf5 22. Qxf5 Rxf5 23. Nxc5 cxd5 24. Ne6 Rd6 25. g4 Rf7 26. cxd5 Bxb2 27. Rf2 Bg7 28. Rc2 $18) 19... Qxd7 20. Qxg6 Rf6 (20... Qf5 21. Qg3 Kh8 $16 {Komodo11}) 21. Qg3 Kh7 (21... Qf5 {David} 22. Qe3 (22. Qf3) 22... e6 23. dxc6 bxc6 24. Ne4 Rg6 25. Nxc5 $18 { Komodo11}) 22. dxc6 (22. Ne4 Rg6 23. Nxc5 $18 {Komodo11}) (22. Rfe1 Rg6 23. Qd3 Qg4 24. g3 $18 {Komodo11}) 22... Qxc6 23. Nd5 Rg6 (23... Rf7 24. f5 Bxb2 25. Rde1 Rg8 26. Qd3 Bf6 27. Re6 $18 {Komodo11}) 24. Qd3 (24. Qh3 Bd4+ 25. Kh1 e6 26. f5 exf5 27. Ne7 $18 {Komodo11}) 24... Bd4+ 25. Kh1 Kg7 (25... e6 {losing an exchange, may be best} 26. Qxg6+ Kxg6 27. Ne7+ Kf6 28. Nxc6 bxc6 29. Rfe1 $1 $18 {Komodo11} (29. b3 a4)) (25... Rag8 26. f5 Rf6 (26... Rxg2 27. f6+ Kh8 28. f7) 27. Rde1 Rg7 28. Re2 b5 29. Nxf6+ exf6 30. cxb5 $18 {Komdo11}) 26. f5 Rg5 27. Rde1 Bf6 28. Re6 Qd7 29. Qe4 Kf7 30. Re1 {tripling onto the poor e pawn, which could have moved on move 7 , or even at move 5 ( Mestel)} (30. Nb6 Qe8 31. Nxa8 Qxa8 32. Rxe7+ (32. Rxf6+ exf6 33. Qe6+ Kg7 34. Qe7+ Kh8 35. Qxf6+ $18 {considered} (35. Rd1 {Komodo11}) 35... Kh7 36. Re1 Rg7 37. Re7 Rxe7 (37... Qg8 38. Qg6+ Kh8 39. Qxh6+ Rh7 40. Qf6+ Rg7 41. Rd7 $18)) 32... Bxe7 33. Qe6+ Kg7 ( 33... Kf8 34. f6) 34. Qxe7+ Kg8 35. Rd1 $18) 30... Ra6 (30... Re8 31. Nxf6) 31. Nxf6 Qxe6 {ingenious but the Bl K is still in a mating net} 32. fxe6+ Kxf6 ( 32... Kf8 33. Rd1) 33. Qh7 (33. Rf1+ {is quicker} Rf5 (33... Kg7 34. Rf7+ Kg8 35. Qh7#) 34. Rxf5+ Kg6 35. Rf8+ Kg5 36. Rg8+ Kf6 37. Rg6#) (33. Qh7 Rg7 34. Qxh6+ Rg6 35. Qf8+ Kg5 36. Re5+ Kg4 37. Qf3+ Kh4 38. Rh5#) 1-0 [Event "Dyfed League: Aberystwyth - Steynton A"] [Site "Tanygroes"] [Date "2018.02.21"] [Round "?"] [White "Miller, John S"] [Black "Watkin-Jones, A."] [Result "1/2-1/2"] [ECO "A41"] [WhiteElo "1648"] [BlackElo "1957"] [PlyCount "80"] [EventDate "2018.??.??"] [SourceDate "2018.02.22"] [SourceVersionDate "2018.02.22"] 1. d4 g6 (1... d6 2. Nf3 f5 3. Bf4 Nf6 4. e3 g6 5. Nbd2 Bg7 6. c3 O-O 7. h3 Nc6 8. Bc4+ e6 {Miller-Van Kemenade, Dyfed Open 2017,0-1}) 2. Nf3 Bg7 3. Bf4 d6 4. e3 Nd7 5. Bb5 {loses a tempo, as the reply fits in with Bl's pawn structure anyway} (5. h3 e5 6. Bh2 Qe7 (6... Ne7) 7. Be2 Ngf6 8. O-O O-O {main}) 5... c6 6. Ba4 (6. Bc4 e5 7. Bg3 e4 8. Nfd2 d5 9. Bb3 Ngf6 10. c4 O-O 11. cxd5 cxd5 12. Nc3 Nb6 13. h3 Be6 {Muschik-Goy, NRW Class2, 2007,1-0}) 6... e5 {Stockfish9} ( 6... a5 7. c3 Ngf6 8. h3 O-O 9. O-O Nd5 10. Bh2 e5 11. Nbd2 {Ossipov-Hong, Reno Far West op 2006,1/2-1/2}) (6... Ngf6 7. O-O (7. h3 e5) 7... Nh5 {Komodo11 }) 7. Bg3 Ne7 8. c3 Nf5 9. dxe5 dxe5 (9... Nxg3 10. hxg3 Nxe5 {Komodo11}) 10. Nbd2 Nxg3 11. hxg3 Nc5 12. Bc2 Nd3+ {leads to exchanges} (12... O-O $15 { Stockfish9 & Komodo11}) 13. Bxd3 Qxd3 14. Nb3 (14. Qa4 $11 {both Engines}) 14... Qxd1+ 15. Rxd1 Bg4 16. Rd2 O-O 17. Ng5 h6 18. Nh3 (18. f3 Bf5 19. Ne4 b6 $15 {both Engines}) 18... Rfd8 19. f3 Be6 20. Nf2 b6 $17 21. Kd1 a5 22. Nc1 h5 {Komodo11} (22... c5 {Stockfish9}) 23. Kc2 Rxd2+ 24. Kxd2 Rd8+ (24... c5 { both Engines}) 25. Kc2 Bh6 26. Rd1 Rxd1 27. Nxd1 f5 (27... c5 {both Engines} 28. Nb3 c4 {holds back the Q side so the Bs can engineeer a further pawn advance. The advantage the 2 Bs have over Ns is that they can help push pawns up creating entry squares for the K, & also that they can usually decide when to make a favourable exchange- the Ns seldom are able to enforce this.} 29. Nd2 f5) 28. b3 (28. Nd3 Bg7 29. b3 $17 {both Engines}) 28... Kf7 29. a4 g5 (29... Kf6 $17 {both Engines}) 30. Nd3 (30. c4 $15 {Stockfish9}) (30. b4 $15 {Komodo11 }) 30... Kf6 31. f4 exf4 {Stockfish9} (31... e4 {Komodo11} 32. Ne5 c5 33. c4 h4 34. fxg5+ Bxg5 35. gxh4 Bxh4 36. Nc6 f4 37. exf4 Kf5 38. Ne5 Be1 39. Nc6 Kxf4 40. Ne7 Kg3 41. Ne3 Kf2 42. N7d5 Bc8 43. Kd1 Bc3 44. Nxc3 Kxe3 45. Ke1 Bg4 46. Nd5+ Kd3 47. g3 e3 48. Nf6 Be6 49. Nd5 Ke4 50. Ke2 Bg4+ 51. Ke1 Kf3 52. Kf1 Bf5 53. Nxb6 Bc2 54. g4 Kxg4 55. Ke2 Kf4 56. Nd5+ $11 {Komodo11, though Wh is under pressure most of the time}) 32. exf4 Bd5 33. Ne3 Be4 34. Kd2 gxf4 (34... Bxd3 {Rudy, the favourable exchange nets a pawn? Komodo11's initial choice} 35. Kxd3 gxf4 36. gxf4 Bxf4 37. Nc4 Bc7 {though given as only definite plus by Komodo11 & a win by Stockfish when nudged- looks as giving excellent winning prospects to this commentator- The B superiority over the N is it can attack & defend on both sides. & an extra pawn is an extra pawn( Though the h pawn is the wrong colour, it will force either the K or the N away from the KQ side to stop it.}) (34... b5 {is Stockfish9 initial response, & Komodo11 follows suit after a bit of time (though both stick with definite plus)} 35. Ke2 (35. axb5 $2 cxb5 {gives Bl a potential distant passed pawn( & Ns have great trouble stopping R pawns when an opposing K is near- they need 2 directions to jump away)}) 35... gxf4 36. gxf4 (36. Nxf4 h4 37. Kf2 hxg3+ 38. Kxg3 Ke5 39. Ng6+ Kd6 40. Nf4 Bg5 41. Nf1 Bf6 42. Ne2 Bc2 43. Nd2 Be5+ 44. Kf3 bxa4 45. bxa4 Kc5 $19 {the passive Ns can't help their pawns}) 36... Bxd3+ 37. Kxd3 Bxf4 38. Nf1 bxa4 {splitting the pawns for easier access for the Bl K} 39. bxa4 Ke5) 35. Nxf4 (35. gxf4 {both Engines}) 35... h4 $19 36. Ke2 hxg3 (36... b5 $1 $19 { both Engines} 37. Kf2 hxg3+ 38. Kxg3 Ke5 39. Ng6+ Ke6 40. Nf4+ Kd6 41. Nf1 Bg7 42. Ne2 Bc2 $19 {as above}) 37. Nh5+ Ke6 (37... Ke5 38. Nc4+ Ke6 39. Nxg3 Bc2 40. Nf1 Bxb3 41. Nxb6 c5 42. Kd3 Bf4 43. Ne3 Bxe3 44. Kxe3 Ke5 45. g3 c4 46. Nd7+ Kd6 47. Nb6 $11 {Komodo11}) 38. Nxg3 Bxe3 (38... Bb1 {both Engines; evading the exchange} 39. Ngf1 f4 40. Nc4 Bg7 41. Kd2 Be4 42. Nxb6 Bxg2 43. Nh2 Be5 44. Nc4 Bc7 45. Kd3 $15 {though Bl retains some winning chances} f3 46. Ng4 Bf1+ 47. Ke4 Bxc4 48. bxc4 Kd6 49. Kd3 (49. Kxf3 Kc5 50. Ke3 Kxc4 51. Kd2 Kb3 52. Kd3 Kxa4 {is precarious for Wh}) 49... Bd8 (49... Kc5 50. Nf6) 50. Ke3 Kc5 51. Kd3 Bh4 52. Nh2 f2 53. Nf1 Kb6 54. Nd2 Bg5 55. Nf1 Bf4 56. Kd4 Kc7 57. Kd3 (57. Kc5 Be5) 57... Kd7 58. Ke4 Bg5 59. Kf3 Kd6 60. Ke2 Kc5 61. Kd3 {and while Komodo11 still says Bl is winning, its analysis goes around in circles with no progress. This would have been Bl's best bet, he can't lose ( except of course to those nasty N forks that happen in time pressure) & Wh has to be very exact to hold t}) 39. Nxe4 Bh6 40. Nf2 Kd5 $11 (40... Kd5 41. g4 {is the simplest way to remove the last imbalance}) 1/2-1/2 [Event "Dyfed League: Aberystwyth - Steynton A"] [Site "Tanygroes"] [Date "2018.02.21"] [Round "?"] [White "Van Kemenade, J."] [Black "Evans, Gwyn"] [Result "1-0"] [ECO "B23"] [WhiteElo "1740"] [BlackElo "1420"] [PlyCount "75"] [EventDate "2018.??.??"] [SourceDate "2018.02.22"] [SourceVersionDate "2018.02.22"] 1. e4 c5 2. Nc3 d6 3. Bc4 Nc6 4. a3 g6 5. d3 Bg7 6. h3 (6. h4 Nf6 7. Nge2 h5 8. Bg5 {Carlsen-Guseinov, Chess.com blitz 2017,1-0}) 6... e6 7. Nf3 Nge7 8. Ba2 $146 (8. O-O O-O 9. Ba2 b6 10. Ne2 Ba6 {Poell-Weissenbeck, AUT ch tm 2017,0-1}) 8... Nd4 9. Nxd4 Bxd4 (9... cxd4 {is the more usual responce in these situations, as Bl looks for pressure on c2 to counter Wh's K side buildup}) 10. Ne2 (10. Bh6 {holds up 0-0, though maybe Wh wants Bl to do this}) 10... Bg7 11. O-O Nc6 12. c3 O-O 13. Be3 b6 (13... b5 $5) 14. f4 (14. d4 {is an alternative strategy}) 14... Kh8 15. Ng3 (15. f5 $5 {is a standard pawn sacrifice in this Grand Prix system} exf5 (15... Qh4 16. Qd2) 16. Bd5 Bb7 (16... Qc7 17. exf5 Bxf5 18. Rxf5 gxf5 19. Ng3 {and Wh has compensation in Bl's weakened pawn structure}) 17. exf5 Qe7 18. Bf4 Rae8 19. Ng3 $11) 15... f5 (15... Ba6) (15... d5) 16. Qd2 Qe7 17. Rae1 (17. d4 Ba6 18. Rfe1 fxe4 19. Nxe4 cxd4 20. cxd4 d5 21. Ng5 Qd6 22. Rac1 Bb5 23. Bf2 Rae8 24. g3 Bf6 25. h4 $14 {Komodo11}) 17... e5 18. exf5 (18. Bd5 $18 {Komodo11} Qc7 19. exf5 Bxf5 20. fxe5 dxe5 21. Bh6 Rac8 22. Bxc6 Bxh6 (22... Qxc6 23. Bxg7+ Kxg7 24. Nxf5+ Rxf5 25. Rxf5 gxf5 26. Rxe5) 23. Qxh6 Qxc6 24. Rxe5 $18) 18... gxf5 (18... Bxf5 19. Nxf5 gxf5 (19... Rxf5 20. g4 Rff8 21. Qg2 Qe8 22. Bd5 Rc8 23. f5 $16)) 19. Nh5 (19. Bd5 {Rudy} Bd7 20. Nh5 Bf6 21. b4 Rac8 22. fxe5 dxe5 23. Bh6 Rfe8 (23... Rg8) 24. g4 $18 { Komodo11}) 19... Be6 20. Bxe6 Qxe6 21. Nxg7 {removes a key protector of the K} Kxg7 22. fxe5 (22. d4 $1 {Komodo11 opens up the game for the Wh pieces} Ne7 23. fxe5 dxe5 24. dxe5 Rad8 25. Qe2 (25. Qf2 h6 26. Qh4 Nc6 27. b4 $18) 25... h6 26. Qa6 Rd5 (26... Rd7 27. Bxc5 $18) 27. Qxa7 Rf7 28. Bf4 (28. c4 Rxe5 29. Bd2 Ng6 30. Rxe5 Nxe5 31. Qb8 $18)) 22... dxe5 23. Rf3 (23. b4 $16 cxb4 24. axb4 Qg6 25. b5 Na5 26. Qb2 f4 27. Bc1 Qxd3 28. Rxe5 Nc4 29. Re7+ Kh8 30. Qf2 f3 31. Bh6 Rg8 32. Qxf3 Qxf3 33. Rxf3 $18 {Komodo11}) 23... Rad8 (23... Kh8 24. b4 Qg6 25. Qf2 f4 26. Bc1 Rae8 27. bxc5 bxc5 28. Qxc5 $14 {Komodo11}) 24. Qf2 (24. Bh6+ $1 {Komodo11} Qxh6 25. Rg3+ Qg6 26. Rxg6+ hxg6 27. b4 $18) 24... Kg8 ( 24... Kh8 $11 25. Bf4 Qf6) 25. Bf4 $16 Rd7 (25... Qf6 26. Bg5 $18) 26. Rfe3 ( 26. Bxe5 Nxe5 27. Qg3+ Rg7 28. Qxe5 Qxe5 29. Rxe5 $16 {Komodo11}) 26... Qf6 27. Bxe5 Nxe5 28. Rxe5 Rxd3 29. Qe2 {the 3rd tripling of the evening} (29. Re7 Rf7 30. Re8+ Rf8 31. R1e6 Qg5 32. Rxf8+ Kxf8 33. Re5 Kg7 34. Rxf5 $16 {Komodo11}) 29... Rdd8 (29... Rd7 {guards the second rank from invasion} 30. Qc4+ Kg7 ( 30... Kh8 31. Re8 Rd8 32. R8e7 Qg5 33. Qe6 f4 34. Qe4 Qf5 35. Rxa7 $16) 31. Re6 Qg5 32. h4 Qg3 33. R6e3 Qc7 34. Qe2 Rdf7 35. Qf3 f4 36. Re6 Qd8 37. h5 Kh8 38. h6 Qg5 $14) 30. Re7 $16 a5 {(draw?)} 31. Qc4+ (31. Qh5 {Komodo11} Qg6 (31... h6 32. R1e6 $18) 32. Qxg6+ hxg6 33. R1e6 Rf7 34. Rxg6+ Kh7 35. Ree6 b5 36. Rd6 Re8 37. Rh6+ Kg8 (37... Kg7 38. Rdg6+ Kf8 39. Rh8+ Ke7 40. Rxe8+ Kxe8 41. Rb6 $18) 38. Rdg6+ Rg7 39. Rxg7+ Kxg7 40. Rb6 $18 {Komodo11}) 31... Kh8 32. Qe6 (32. Qf4 Rd6 33. R1e2 Qg6 34. Qe5+ Qf6 35. Qxf6+ Rfxf6 36. Rb7 Rd8 37. Ree7 h6 38. Kf2 $16 {Komodo11}) (32. R7e6 {Rudy} Qg5 33. Qe2 (33. Rxb6 f4 $1 (33... Rd2 34. Re2 (34. Qf1 $11) 34... Rd1+ 35. Kf2 f4 $19) 34. h4 Qg3 35. Qe2 f3 36. Qf2 Qxf2+ 37. Kxf2 Rd2+ 38. Kf1 Rxg2 39. Ree6 a4 40. Rf6 Rxf6 41. Rxf6 Rxb2 42. Ra6 Kg7 43. Rxa4 Kf6 44. Rf4+ Ke5 45. Rxf3 Rh2 $11 {Komodo11}) 33... f4 34. Rf1 Rg8 35. Rf2 Rdf8 36. Qe4 Rg6 37. Re8 Rxe8 38. Qxe8+ Kg7 39. Qb8 Rf6 $14) 32... Qg5 ( 32... Rd6 {Iolo} 33. Qxf6+ $1 Rfxf6 (33... Rdxf6 34. Rd1 Rg6 (34... R8f7 35. Rxf7 Rxf7 36. Rd6 Rb7 37. Kf2 $16) 35. Rdd7 h6 36. Kf2 $16) 34. Rb7 Rd8 35. Ree7 h6 36. Kf2 $16) 33. Qe5+ Kg8 (33... Qf6 34. Qc7 Rc8 (34... Qg6 35. R1e6 $18) 35. Qf4 Rc6 (35... Rf7 36. R1e6 Qg7 37. Rxf7 Qxf7 38. Rxb6 $18) 36. Rd7 Re6 37. Rxe6 Qxe6 38. Qc7 Qg6 39. Qe5+ Qf6 40. Qxf6+ Rxf6 41. Kf2 $16 {in these lines & those of the previous note, Bl has 2 weaknesses to take care of- the pawns on b6 & f5. Also his K is liable to be cut off}) 34. Re3 $18 Rd2 35. Rg3 Rxg2+ 36. Kxg2 Qxg3+ 37. Qxg3+ Kh8 38. Qg7# 1-0

Thursday, 22 February 2018

The Run Continues

Aberystwyth has dominated the league so far this season, and the run continued against Cardigan B on Wednesday 7 February at the Emlyn Cafe, Tanygroes. The top two games were both positional crushes. Against Tony Haigh, Rudy van Kemenade dominated the centre with his Bird's Opening, eventually pushing his e- and d-pawns through for a decisive advantage. Adam Watkin-Jones achieved something similar with Black, setting up camp in the heart of Joshua Brewer's position and leaving him no space to defend in. Julie van Kemenade's Ruy Lopez against Ben Brewer was much more double-edged, with some complicated tactics, but she thrives on such positions, and her attack won out in the end. Georgina Gray also enjoys attacking, but this time the attack abruptly switched over after she won the exchange, and it was Awne Osinga who made all the running from then on, reaching a winning ending when things calmed down. A 3-1 win for Aberystwyth.

[Event "Dyfed League:CardiganB-Aberystwyth"] [Site "?"] [Date "2018.02.07"] [Round "?"] [White "Van Kemenade, R."] [Black "Haigh, A."] [Result "1-0"] [ECO "A03"] [WhiteElo "2015"] [BlackElo "1928"] [Annotator "Rudy"] [PlyCount "65"] [EventDate "2018.02.08"] 1. f4 d5 (1... Nf6 2. Nf3 d6 (2... d5 3. g3 c5 4. Bg2 Nc6 5. d3 e6 6. O-O Bd6 7. Qe1 O-O 8. e4 {Van Kemenade-Haigh, Dyfed Closed 2012,1-0}) 3. g3 Nc6 (3... g6 4. Bg2 Bg7 5. d3 O-O 6. O-O c5 7. c4 Bd7 8. h3 Bc6 9. Nc3 a6 10. e4 { Van Kemenade-Haigh, Dyfed Closed 2009,1-0}) 4. Bg2 g6 5. d3 Bg7 6. O-O O-O 7. c4 Re8 8. Nc3 e5 9. h3 {Van Kemenade-Haigh, Dyfed Closed 2006,1-0}) 2. Nf3 g6 3. g3 (3. e3 Bg7 4. Be2 c5 5. d4 Nd7 6. O-O Ngf6 7. Nc3 O-O 8. Ne5 e6 { Hammett-Haigh, Dyfed League 2017,1/2-1/2}) 3... Bg7 4. Bg2 Nf6 (4... c5 5. d3 Nh6 6. O-O Nf5 7. c3 d4 8. Qe1 Nc6 9. Na3 O-O {van Kemenade-Haigh,Dyfed League 2012,1/2-1/2}) (4... c6 5. O-O Nd7 6. d4 Ngf6 7. Ne5 Ne4 8. Nd2 Nd6 9. e4 dxe4 10. Nxe4 Nxe4 11. Bxe4 Qb6 12. Kh1 {Van Kemenade-Marusenko, S Wales International 2007,1-0}) 5. d3 (5. O-O) 5... c6 6. O-O Qb6+ {the Q is actually misplaced here, & later retreats} (6... O-O {main}) 7. e3 Ng4 {another piece on an exposed square, trying to force a concession from Wh, d4, that is no real hardship} (7... O-O 8. Qe2 Nbd7 9. Kh1 Re8 10. Ne5 Qc7 11. d4 Ne4 12. Bxe4 dxe4 13. Nc3 f5 14. Qc4+ e6 15. g4 Nb6 16. Qb3 Bxe5 17. fxe5 Kg7 18. Bd2 Qe7 19. Be1 {Van Kemenade-Bridges, WLS ch, Cardiff 2015,1/2-1/2}) 8. d4 O-O $146 ( 8... Nd7 9. h3 Ngf6 10. Nbd2 c5 11. c3 O-O 12. Ne5 e6 13. g4 {Van Kemenade-Braithwaite, Bradford League 2003,1-0}) (8... h5 {main, eg} 9. Nc3 Nd7 10. b3 Ndf6 11. Qe2 Nh6 12. a4 a5 13. Ba3 Nf5 14. Ne5 Be6 15. Rad1 {Van Mil-Hommeles, NED ch tm 1998,1-0}) 9. Qe2 (9. h3) 9... Nd7 (9... Qa6 $5) 10. c4 dxc4 {initial idea by Komodo11, but begins the porocess of ceding the centre to Wh} (10... Qa6 11. b3 Nh6 12. Bb2 Nf5 13. Nbd2 Nf6 14. Ne5 h5 15. e4 dxe4 16. Nxe4 Nxe4 17. Qxe4 $14 {Komodo11}) 11. Qxc4 Ndf6 (11... c5 $5) 12. Nc3 (12. h3 Nh6 13. g4 Ne4 14. Nc3 Nd6 15. Qe2 f5 16. g5 Nhf7 17. b3 $14 {Komodo11, considered by Wh}) 12... Be6 {another attacking move but this 3rd Bl piece is later shown to be on an unstable post} 13. Qe2 $14 Nd5 14. Ng5 $6 {a good strategic move, threatening to win the g4 N,but Komodo11 exposes a tactical flaw} (14. h3 {is the safe way, keeping control over d4.} Nxc3 15. bxc3 Nf6 16. e4 Qa5 17. Ng5 (17. Bd2 Qa4 18. Ne5 Nh5 19. Qe3 $14) 17... Qxc3 18. Nxe6 Qxa1 19. Nxf8 Rxf8 20. Be3 Qc3 21. Rb1 Rb8 22. Kh2 $11 {Komodo11, Wh's space advantage , central pawn mass & 2 Bs ; compensates for the pawn down, but no more}) 14... Nxc3 (14... Ndxe3 $1 {Komodo11} 15. Nxe6 (15. Bxe3 Nxe3 16. Nxe6 fxe6 17. Rf3 (17. Qxe3 $2 Bxd4) 17... Bxd4 18. Kh1 e5 $19) 15... fxe6 16. Kh1 Bxd4 (16... Nxf1 17. Qxe6+ Kh8 18. Qxg4 Nxg3+ 19. hxg3 Rad8 $11) 17. Re1 Nxg2 18. Kxg2 Nh6 19. Qxe6+ Kh8 20. Qb3 Nf5 21. Qxb6 Bxb6 22. g4 Nh4+ 23. Kh3 Rad8 24. Re4 Nf3 25. Rxe7 Bc5 26. Re6 Rd3 27. Kg2 Nh4+ 28. Kh1 (28. Kf1 Rf3+ 29. Ke2 Rh3 $19) 28... Bd4 29. Re1 Kg7 $17 {Komodo11- although material is level, Wh has great difficulty developing his Q side}) 15. bxc3 {Wh now has a powerful central pawn mass} Bd7 16. Ba3 h6 {Bl is wary of threats to f7, but h6 does create some other K side targets} (16... Qa5 17. Bb4 Qd8 18. e4 Nf6 19. a4 $16 (19. f5 h6 20. fxg6 hxg5 21. gxf7+ Rxf7 22. e5 Nh7 23. Rxf7 Kxf7 24. Qh5+ Kg8 25. Be4 Nf8 26. Rf1 Be6 27. Qxg5 {Komodo11, gives Wh excellent play for the piece a, especially since the Bl QR is miles out of play})) 17. Nf3 (17. Ne4 Qb5 18. Qd2 Qh5 19. h3 Nf6 20. Nf2 Rfe8 21. c4 $16 {also looks promising for Wh- Komodo11}) 17... Rfe8 18. e4 Nf6 {the N feels exposed and starts a long march of retreat} 19. h3 {not allowing Bl Bg4, which eases the lack of space for the Bl pieces a little bit} Qc7 20. c4 Rad8 21. e5 (21. Bb2 $5) 21... Nh5 ( 21... Nh7 {may be less disruptive} 22. Nd2 $16) 22. Kh2 Bf8 23. Nd2 (23. Bb2 { is preferred by Komodo11}) 23... e6 {trying to ease congestion, Wh is happy to try & infiltrate of f6} 24. Bxf8 (24. Bb2 $1 $18 {Komodo11, keeping pieces on,; sooner or later d5 of f5 will open up the position for the Wh pieces, especially the Bs} Be7 25. g4 Ng7 26. Ne4 Rf8 27. Nf6+ Bxf6 28. exf6 Ne8 29. Ba3 $18) 24... Rxf8 25. g4 (25. Ne4 $18 Bc8 26. g4 Ng7 27. Rad1 (27. Nf6+ Kh8 28. d5 cxd5 29. cxd5 exd5 30. Qe1 Ne8 31. Nxd5 Qc4 32. Rc1 Qxa2 33. Rf2 Qa3 34. f5 $18 {is another way in}) 27... Ne8 28. c5 Qa5 29. Qf2 Kh7 30. Nd6 $18 { the Bl pieces have virtually deserted their K, & Wh can open the position at leisure. Komodo11 lines, with other possibilities as well.}) 25... Ng7 26. Ne4 Ne8 27. Qe3 (27. Qf2 {Komodo11, both aim at h6}) 27... f5 {Bl needs space, but there are other possible open lines now} 28. gxf5 $18 exf5 (28... gxf5 { leads to instant disaster on the g file} 29. Qg3+ Kh7 (29... Ng7 30. Nf6+ Rxf6 (30... Kf7 31. Rg1 Rg8 32. Bf3 Be8 33. Bh5+ Nxh5 34. Qxg8+ Ke7 35. Nxh5 Kd7 36. Rg7+ $18) (30... Kh8 31. Qg6 $18) 31. exf6 Be8 32. Bf3 Rxd4 33. Rad1 $18 { Komodo11})) (28... Rxf5 29. Ng3 Ng7 (29... Rf7 30. Be4 Rg7 31. Rg1 $18 { Wh can just double on the g file}) 30. Be4 Kh7 $18 {giving up the exchange may stop the flow of the attack for a little while}) 29. Nc5 {eyeing e6 & threating to win a R ( perhaps) with e6-e7} (29. Nc3 Ng7 30. d5 {should also work}) 29... Ng7 30. d5 Kh7 31. e6 (31. Nxd7 {Komodo11 goes pawn hunting, but the N must be superior to the B , which is itself a target} Qxd7 32. Qxa7 g5 33. Qe3 $18) (31. d6 Qc8 32. Rfb1 b6 33. Nxd7 Qxd7 34. c5 b5 35. a4 {Komodo11, alternative, but why let the N have a good square on e6?}) 31... Rde8 32. Qd4 ( 32. d6 Qxd6 33. Rad1 Qxd1 (33... Qc7 34. Rxd7) 34. Rxd1 Bxe6 35. Nxe6 Rxe6 36. Qxa7 $18 {Komodo11}) 32... Bc8 (32... Bxe6 {Bl's best bet; Iolo & Komodo11; however Bl is then just a B down with no attacking prospects before a lost endgame} 33. dxe6 Nxe6 34. Nxe6 Rxe6 35. Rae1 Ree8 (35... Rd6 36. Qxa7 Rd2 37. Qc5 Rf7 38. Rf2 Rd8 39. Re5 {and its the Bl K that is still exposed})) 33. d6 { the central pawn mass will win a R, either immediately or in the near future} 1-0 [Event "Dyfed League:CardiganB-Aberystwyth"] [Site "?"] [Date "2018.02.07"] [Round "?"] [White "Brewer, Joshua"] [Black "Watkin-Jones, A."] [Result "0-1"] [ECO "A41"] [WhiteElo "1417"] [BlackElo "1957"] [Annotator "Rudy"] [PlyCount "66"] [EventDate "2018.02.08"] 1. d4 g6 2. Nc3 (2. c4) (2. e4) 2... Bg7 3. Bf4 (3. e4 d6 {transposes to a Modern Defence}) 3... d6 4. Nf3 (4. Qd2) (4. e4) 4... Nd7 5. e3 (5. Qd2) (5. e4 {more frequent}) 5... Ngf6 {most frequent} (5... e5 {alternative strategy, 5 Bl wins, 3 draws in database}) 6. Bd3 (6. Bc4 O-O 7. O-O c5 {3 Wh wins, 2 draws } (7... Nb6 {1 Wh win, 2 draws & 2 Bl wins})) 6... a6 (6... b6 7. O-O O-O 8. e4 Nh5 9. Be3 c5 10. dxc5 bxc5 11. Rb1 Nb6 $11 {Velin-Georgiev, Sunny Beach op 2008,0-1}) (6... O-O 7. O-O {main}) 7. h4 {looks too committal at this stage. better to wait for Bl to 0-0} (7. Bg5 c5 8. d5 Qa5 9. O-O h6 (9... b5 $15) 10. Bxf6 Nxf6 11. Nd2 O-O 12. Nc4 Qc7 13. a4 b6 $15 {Fahrni-Chigorin, DSB Kongress, Nuremburg 1906,0-1}) (7. a4 {Komodo11, sensible precaution}) 7... h6 (7... O-O $15 {Komodo11 ignores the threat} 8. h5 Nxh5 9. Rxh5 gxh5 10. Ng5 Nf6 $17 { gets nowhere}) (7... c5 8. a4 Nh5 9. Bh2 cxd4 10. exd4 Ndf6 $15 {Komodo11, Wh has lost control over g4}) 8. Qd2 (8. a4) 8... c5 9. d5 (9. a4 {Rudy} Nh5 10. Bh2 cxd4 11. exd4 Ndf6 12. O-O O-O $11 {Komodo11}) (9. O-O b5 $15 {Komodo11}) 9... b5 $17 10. a3 c4 11. Be2 Nc5 $15 (11... Bb7 12. e4 Nc5 13. e5 Nxd5 14. Nxd5 dxe5 15. Bxe5 Bxe5 16. Nxe5 Qxd5 $15 {Komodo11}) 12. Nd4 Nfe4 13. Nc6 (13. Nxe4 {limits the damage} Nxe4 14. Qb4 Bb7 15. Bxc4 Nf6 16. e4 Nxe4 17. Ba2 Nf6 18. Nc6 Qd7 19. O-O-O Nxd5 20. Bxd5 Bxc6 21. Bxc6 Qxc6 22. Rhe1 O-O 23. Rxe7 Qxg2 24. Qd2 Rfe8 25. Rxe8+ Rxe8 26. Bxd6 Qg4 27. Bg3 Bf6 $17 {Komodo11}) 13... Qb6 $17 (13... Nxd2 $1 14. Nxd8 Nde4 (14... Bxc3 15. bxc3 Nde4 16. Nc6 Nxc3 $19 ) 15. Nxe4 Nxe4 16. Nc6 Bxb2 17. Ra2 (17. Rd1 Nc3 18. Rd4 Bxa3 $19) 17... Bc3+ 18. Kf1 g5 19. Bg3 Bf5 $19 {Komodo11}) 14. Nxe4 Nxe4 15. Qc1 c3 (15... Bb7) 16. b3 Bb7 17. Bf3 (17. a4 Bxc6 18. dxc6 b4 $17 {Komodo11}) 17... Nd2 18. e4 Nxf3+ (18... Bxc6 19. Be3 (19. dxc6 Qxc6 20. Qd1 O-O $19) 19... Bd4 20. Bxd4 Qxd4 21. dxc6 d5 22. exd5 Qe5+ 23. Be2 Qxd5 24. Rh3 Qxc6 $19 {Komodo11}) 19. gxf3 Bxc6 20. Be3 Qc7 21. dxc6 Qxc6 $17 22. Rb1 O-O-O {a little breezy even though Wh's pieces are not in much of a position to benefit at the moment} (22... Rd8 23. Kf1 d5 24. exd5 Rxd5 25. Kg2 Rf5 26. Rh3 e5 $19 {Komodo11}) (22... d5 23. exd5 Qxd5 24. Qd1 Qf5 25. h5 Rd8 26. Qe2 O-O $19 {Komodo11}) 23. Ke2 (23. a4 b4 24. Qd1 d5 25. exd5 Rxd5 26. Qe2 Rhd8 27. O-O Bd4 $17 {Komodo11}) 23... d5 $19 24. exd5 Rxd5 25. Rd1 Rf5 26. f4 e5 27. Rd3 exf4 28. Bxf4 (28. Qh1 Qxh1 29. Rxh1 fxe3 30. fxe3 {is the best Komodo11 can come up with for Wh} Rd8 $19) 28... Re8+ 29. Re3 {loses a piece, because of the interposing ch, but again Komodo11 thinks its the best to survive a little longer} (29. Be3 Qf3+ 30. Kf1 Qh3+ 31. Ke2 Qg4+ 32. Kf1 Qxh4 {should soon be terminal- as there is no need for Bl to swap Qs, even though as pm analysis indicated that the passed h pawn should win } 33. f4 (33. Ke2 $2 Qxf2+ 34. Kd1 Qf1#) (33. Qd1 Rxe3 $1 {Komodo11} 34. Rd8+ ( 34. Rxe3 Qxf2#) 34... Qxd8 35. Qxd8+ Kxd8 $19) (33. Qe1 Qh1+ 34. Ke2 Qf3+ 35. Kf1 Rh5 {mating}) 33... Rxe3 (33... Rh5 34. Bg1 Re4 $19) 34. Qxe3 Rxf4+ 35. Kg2 (35. Ke2 Qh2+ 36. Ke1 Qh1+ 37. Ke2 Qg2+ 38. Kd1 Rf1+ 39. Qe1 Qg4+ 40. Kc1 Rxe1+ 41. Rd1 Qxd1#) (35. Qxf4 Qxf4+ $19) 35... Rg4+ 36. Kf1 Qh1+ 37. Ke2 Rg2+ 38. Qf2 Rxf2+ 39. Kxf2 Qxb1 $19 {Komodo11}) 29... Rxf4 30. Rxe8+ Qxe8+ 31. Kf1 Qe4 32. Qd1 Qh1+ 33. Ke2 Qf3+ 0-1 [Event "Dyfed League: Cardigan B-Aberystwyth"] [Site "?"] [Date "2018.02.07"] [Round "?"] [White "Van Kemenade, J."] [Black "Brewer, Ben"] [Result "1-0"] [ECO "C70"] [WhiteElo "1740"] [BlackElo "1364"] [Annotator "Rudy"] [PlyCount "85"] [EventDate "2018.02.08"] 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 b5 {risky at this stage & dangerous combined with Bl's next} (4... Nf6) (4... d6) (4... Nge7 5. O-O g6 6. c3 Bg7 7. d4 {is a quite playable system}) 5. Bb3 Nge7 $6 (5... Na5 {hunting the B is though a possible line, still played by the top GMs eg Vachier Lagrave-Vallejo Pons, Wld Rapid, Riadh 2017,1/2-1/2. Although one of its previous protaganists, Jan-Hein Donner suffered many defeats in 20 moves with this line,}) (5... Nf6 6. O-O (6. Ng5 d5 7. exd5 Nxd5 {transposes to the next note} (7... Nd4 { though has given Bl better results, with wins if Wh tries to be too greedy eg} 8. d6 Nxb3 9. dxc7 Qd5 10. axb3 Qxg2 11. Qf3 Qxf3 12. Nxf3 Bb7 13. Ke2 {0.5-3.5 })) 6... Be7 7. Re1 {more normal lines}) 6. d3 (6. O-O Ng6 (6... g6 7. Ng5) 7. c3) (6. Ng5 {considered by Wh, but could fathom its depths} d5 7. exd5 (7. Nxf7 Kxf7 8. exd5 Nd4 9. d6+ Nxb3 10. dxe7 Bxe7 (10... Kxe7 11. axb3 Bb7 12. Qg4 Qd5 13. O-O $16 {Fischer, D-Ziemann, GER ch U15 girls , 1992,1-0}) 11. axb3 Bb7 12. O-O $11 {Fischer,R -Heising, Fischer simul , Houston 1964,1-0}) 7... Nxd5 $6 { alllows Wh 2 variants of a Fried Liver attack} 8. Nxf7 (8. Qf3 {occured more frequently in 41 games giving Wh 89% ( though Komodo11 thinks its still level after} Qxg5 (8... Be6 {gave Wh 91% over 27 games.} 9. Nxe6 fxe6 $16) 9. Bxd5 Nd4 10. Qxf7+ Kd8 {2 games won each side}) 8... Kxf7 9. Qf3+ Ke6 10. Nc3 Nce7 11. d4 {scores 92% in 14 games. Its one of those highly complex lines, tried best perhaps in Correspondence, or Blitz}) 6... g6 7. O-O (7. Ng5 d5 8. exd5 Nxd5 (8... Nd4 9. d6 Nxb3 10. Nxf7 Kxf7 11. dxe7 Bxe7 12. Qf3+ Kg7 13. axb3 Rb8 14. O-O $16 {Komodo11}) 9. Nc3 (9. Qf3 Be6 10. c3 $16) (9. Nxf7 Bb4+ 10. Bd2 Kxf7 11. Qf3+ Kg7 12. Qxd5 Bxd2+ 13. Nxd2 Qxd5 14. Bxd5 Bd7 15. c3 $16) 9... Nce7 10. Qf3 $18 (10. Nxf7 Kxf7 11. Qf3+ Ke6 12. Bg5 $18 {Komodo11}) 10... Be6 11. O-O Bg7 12. Nce4 O-O 13. Qg3 (13. Nxe6 fxe6 14. Qh3 $18) 13... Qd7 14. c4 bxc4 15. dxc4 Nb6 16. Nc5 $18 {Toyos Martin-Iglesias Dougherty, Asturias ch, Gijon 2000,1-0}) 7... Bg7 8. c3 O-O (8... h6 9. Nbd2 O-O 10. Re1 d6 11. h3 d5 12. Qe2 Be6 13. Bc2 {Van Kemenade-Sebetso, Dresden ol (w) 2008,1-0}) 9. Re1 Bb7 (9... d6 10. h3 {main}) 10. Bg5 (10. Be3 Na5 11. Bc2 d5 {Radlovacki=Azaric, Vojvodina ch 2015, draw agreed}) 10... d6 (10... h6 11. Bh4 d6 12. Nbd2 Qd7 13. a4 Kh7 14. Qe2 Na5 15. Bc2 c5 $11 {Martin (1888)-Bruedigam (2312)- Berlin Lichtenberger op 2013,0-1}) 11. Nbd2 Na5 12. Bc2 c5 13. Nf1 Qd7 $11 14. Ng3 Nec6 (14... f5 15. Bxe7 Qxe7 16. exf5 gxf5 17. Nh5 (17. b4 cxb4 18. cxb4 Nc6 19. a3 Kh8 20. Rb1 d5 21. Nxe5 Bxe5 22. d4 Nxd4 23. Qxd4 Rae8 24. Qd3 Qh4 $11 { Komodo11}) 17... Kh8 18. a3 Bh6 19. b4 cxb4 20. axb4 Nc6 21. d4 e4 22. d5 Ne5 23. Nd4 Bxd5 24. Ng3 Qd7 25. Nxb5 Nd3 26. Bxd3 axb5 27. Rxa8 Bxa8 28. Bc2 d5 $15 {Komodo11}) 15. Qd2 (15. h4 Nd8 (15... h5 16. a3 Nd8 17. b4 Nac6 18. Be3 Ne6 19. Bb3 $14 {Komodo11}) 16. h5 Ne6 17. Be3 $14 {Komodo11; some complex manouevring to get a little edge for either side taking place}) 15... Nd8 16. h4 (16. Bh6 $5) 16... Ne6 17. Rad1 (17. h5) 17... Nxg5 (17... f5 $15 {Komodo11} ) 18. hxg5 Rad8 19. Nh2 {aiming to get in to either f6 or h6} d5 20. d4 $6 { hoping to have a hidden attack on the N on a5 after pawn exchanges, but the N can move} (20. Qe2 {Rudy, prepares to play Ng4}) (20. c4 $1 {Komodo11, looks anti positional but uses the loose N to win a centre pawn ( Carlsen against Gawain Jones at Wijk aan Zee 2018, also missed such an anti=positional move, which cost him a piece on move 13, though he still managed to confuse matters & win in the end).} Qc7 21. cxd5 $16) 20... Nc4 (20... exd4 21. cxd4 Nc4 22. Qc1 cxd4 $17 {Komodo11}) 21. Qc1 exd4 22. b3 Nb6 (22... Na5) 23. cxd4 Bxd4 24. e5 {cutting the B's connection with the K side} Qc6 (24... b4 25. Rxd4 cxd4 26. Bd3 Qc6 27. Qf4 $11) 25. Qf4 (25. Ng4 $11 Bc3 26. Re3 Bd4 27. Rf3 Nd7 28. Rxd4 cxd4 29. Ne2 Qc5 30. Qd2 $11 {Komodo11}) 25... Bc8 26. Nf3 (26. Qh4 $11 { Komodo11, but there are now all sorts of tactics around Bl's weakened K side. Q & 1 N are ofetn a deadly combination, Q & 2 Ns acting together even worse.} Kh8 (26... Rde8 27. Nf3 (27. Nh5 gxh5 28. Qxh5 h6 29. Nf3 Bc3 30. gxh6 Kh8 31. Ng5 Qc7 32. Qf3 Bxe5 33. Rxe5 Qxe5 34. Nxf7+ Rxf7 35. Qxf7 Qe7 36. Qg6 Nd7 $1 37. Rxd5 Rg8 $17) 27... Bb2 28. Rb1 Bc3 29. Re3 Bd4 30. Nxd4 cxd4 31. Re2 Qe6 32. Qxd4 $14 {Komodo11}) 27. Nh5 Rg8 (27... gxh5 28. Qxh5 Qg6 29. Bxg6 fxg6 30. Qe2 Rxf2 31. Qxf2 Bxf2+ 32. Kxf2 $16) 28. e6 gxh5 29. Rxd4 cxd4 30. g6 hxg6 31. Qf6+ Kh7 32. Qxf7+ Kh6 33. Qf4+ Kh7 34. Nf3 Rdf8 35. Bxg6+ Kxg6 (35... Rxg6 36. Qxf8 $16) 36. Qg5+ Kh7 37. Qxh5+ Kg7 38. Qg5+ Kh7 39. Qh4+ Kg7 40. Nxd4 Qc7 41. Re3 Qc1+ 42. Kh2 Qxe3 43. Qe7+ Kg6 44. fxe3 Rf6 45. Ne2 $16) 26... Bc3 27. Re2 (27. Re3 d4 (27... b4 28. Qh4 Kh8 29. Nh5 Rg8 30. Nf6 Rg7 31. Qh6 Be6 32. Re4 Nd7 33. Rh4 Nf8 34. g3 (34. Kh2 Bd4 35. g3 (35. Rh1 $18)) 34... Re8 35. Kg2 Qc8 36. Rdh1 $18 {and h7 is indefensible}) 28. Re4 Bb7 29. Qh4 Qe6 30. Qh6 Rfe8 31. Rh4 Bxf3 32. gxf3 Qxe5 33. Qxh7+ Kf8 34. f4 Qg7 35. f5 Qxh7 36. Rxh7 d3 (36... c4 37. fxg6 fxg6 38. Bxg6 Re6 39. Rh8+ Ke7 40. Nf5+ Kd7 41. Rxd8+ Kxd8 42. Nxd4 Rxg6 (42... Rd6 43. Ne6+ Ke7 44. Rxd6 Kxd6 45. Bf7 $14) 43. Nxb5+ Ke7 44. Nxc3 Rxg5+ 45. Kf1 cxb3 46. axb3 a5 $14) 37. Rxd3 Rxd3 38. Bxd3 c4 $11 {Komodo11}) 27... d4 $6 {cedes the e4 square & leaves the Bl B on c3 out of the game} ( 27... b4 $5 28. Qh4 Kh8 29. Nh5 Rg8 30. Nf6 Rg7 31. Qh6 Be6 32. Re4 Nd7 33. Rh4 Nf8 34. Bd3 (34. g3) 34... d4 35. Kh2 $1 $18 c4 36. Rh1 {Komodo11 & h7 is indefensible}) (27... Rfe8 $1 {lays siege to the e5 pawn} 28. Qh4 (28. Re3 d4 29. Re2 c4 30. Nxd4 Bxd4 31. Rxd4 Bb7 32. Rde4 (32. f3 Qc5 33. Red2 Nd5 $19) 32... c3 33. b4 Nd5 34. Qf3 Qc7 35. Qg4 Nb6 36. R4e3 Nd5 37. Re4 Qc8 38. Qh4 Qc6 39. Qh3 Nc7 40. Rh4 Rd2 41. Ne4 Rxe2 42. Rxh7 Kf8 43. Bb3 Ke7 44. Bxf7 Kd8 45. Bxe8 Re1+ 46. Kh2 Nxe8 47. Nxc3 Rxe5 $17) 28... Nd7 29. Re3 Bxe5 30. Rde1 Qd6 31. Nf5 gxf5 32. Bxf5 Nf8 33. Rxe5 Rxe5 34. Rxe5 d4 35. Bxc8 Rxc8 36. Qe4 Ng6 $17 {all very complex lines, where Komodo11 keeps changing its verdict quite frequently}) 28. Be4 (28. Ne4 $16 {Komodo11} Nd5 29. Qh4 h5 30. gxh6 (30. Nf6+ Kg7 31. Be4 Qe6 32. Bxd5 Rxd5 33. Nxd5 Qxd5 $17) 30... Qe6 31. Nf6+ Kh8 32. Nxd5 (32. Ng5 Qe7 33. Nfh7 Ba5 34. e6 fxe6 35. Nxf8 Rxf8 36. Nf3 Qf6 37. Re5 Bd8 38. Qxf6+ Bxf6 39. Bxg6 Bxe5 40. Nxe5 $16) 32... Rxd5 33. Bd3 Rdd8 34. a4 Bd7 35. axb5 axb5 36. Ra2 Ra8 37. Rxa8 Rxa8 38. Ng5 Qe7 39. Qe4 Rf8 40. e6 fxe6 41. Qxg6 e5 42. Nf3 e4 43. Bxe4 Be8 44. Qg4 $14 {even further complexities beyond most human foresight}) 28... Nd5 {its seldom good to self-pin} (28... Qe6 29. Qh4 Kh8 30. Qh6 c4 31. Nh5 Rg8 32. Nf6 Rg7 33. Nh4 $1 d3 34. Bxg6 Nd5 35. Re4 Bxe5 36. Nf5 Qxf6 37. gxf6 Rxg6 38. Rxe5 Rxh6 39. Nxh6 Be6 40. bxc4 bxc4 41. Rxe6 fxe6 42. Nf7+ Kg8 43. Nxd8 Nc3 44. Ra1 d2 45. Kf1 d1=Q+ 46. Rxd1 Nxd1 47. Ke2 Nc3+ 48. Ke3 Nxa2 49. Nxe6 Kf7 50. Ng5+ Kxf6 51. Nxh7+ Kf5 $11 {Komodo11, another morass. Faced with this humans just have to trust to their judgement as the complexities are too numerous to calculate exactly.}) 29. Bxd5 (29. Qh4 {with variations similar to those above, might be better. After a little while Komodo considers its winning for Wh}) 29... Rxd5 30. Ne4 Kh8 (30... Ba5 {first idea of Komodo, then it suggests its lost after both} 31. Nf6+ {&} (31. b4 Bd8 32. Nf6+)) (30... Re8 31. Nf6+ $16 Kf8 32. Nxh7+ Ke7 33. Nf6 Be6 34. b4 (34. Nxd5+ Qxd5 35. Qf6+ Kd7 36. Rc2 b4 37. Re2 $14) 34... Red8 35. bxc5 Qxc5 36. Ne4 Qa3 37. Qf6+ Kd7 38. Rc2 b4 39. Ne1 Bxe1 40. Rxe1 d3 41. Rd2 Rc8 42. Qf4 Ke7 $11 {Komodo11, no comment}) 31. Nf6 (31. Qh4 $1 h5 32. gxh6 f6 33. exf6 Qb7 34. Neg5 $18 {Komodo11, after initial doubts}) 31... d3 {again a Komodo11 initial idea for Bl, which it then thinks is bad} 32. Re4 $18 {there are now some chances for Wh to sacrifice a Q on h7 to force mate} Bxe5 {Bl is now trying to create some chaos to possibly get Wh to go wrong} 33. Nxe5 Qd6 34. Nxd5 {+26} (34. Nxf7+ {Rudy +15} Rxf7 35. Re8+ (35. Qxd6) 35... Rf8 (35... Qf8 36. Rxf8+ Rxf8 37. Qc7 {mating soon}) 36. Qxd6 Rxd6 37. Rxf8+ Kg7 38. Rxc8 (38. Ne8+ Kxf8 39. Nxd6 Bd7 40. Rxd3 {is sufficient}) 38... Rd4 39. Re1 {mating}) 34... Qxd5 35. Qf6+ (35. Nxg6+ $1 {Komodo11} hxg6 36. Qf6+ Kg8 37. Rh4 {forces mate}) 35... Kg8 36. Rh4 (36. Re3 Bf5 (36... Bd7 37. Rexd3 $18) 37. Nc6 {wins the Q}) 36... Bb7 37. f3 Re8 (37... Qe6 38. Ng4 h5 39. gxh6 Qxf6 40. Nxf6+ Kh8 41. Rxd3 $18) 38. Ng4 d2 39. Nh6+ {+18} (39. Rxd2 { Rudy, mate in 6 Komodo11} c4 (39... Qxd2 40. Nh6+ Kf8 41. Qxf7#) (39... Qe6 40. Re2 Kf8 41. Rxh7 Qxf6 42. gxf6 Kg8 43. Rg7+ Kf8 44. Nh6 Rxe2 45. Rg8#) 40. Rxd5 Re1+ (40... Bxd5 41. Kh2 Be6 42. Nh6+ Kf8 43. Re4 cxb3 44. Rxe6 Re7 45. Qh8#) 41. Kh2 Bxd5 42. Qd8+ Kg7 43. Nf6 Re8 44. Rxh7+ Kf8 45. Qxe8#) 39... Kf8 40. Qh8+ Ke7 41. Re4+ Qe6 42. Rxe6+ fxe6 43. Qf6+ (43. Qg7+ Kd6 44. Qxb7 c4 45. Rxd2+ Kc5 46. a3 cxb3 47. Qc7# {Komodo11}) 1-0 [Event "Dyfed League: Cardigan B-Aberystwyth"] [Site "?"] [Date "2018.02.07"] [Round "?"] [White "Osinga, Awne"] [Black "Gray, G."] [Result "1-0"] [ECO "C55"] [WhiteElo "1361"] [BlackElo "1304"] [Annotator "Rudy"] [PlyCount "99"] [EventDate "2018.02.08"] 1. e4 e5 2. Nf3 Nc6 3. Bc4 (3. Be2 {Awne used to prefer this here}) 3... Nf6 4. d3 h6 (4... Bc5) 5. a3 (5. O-O) (5. c3 {main lines}) 5... Bc5 6. O-O (6. h3) ( 6. Nc3) 6... a6 (6... d6) (6... O-O) 7. b4 (7. Nc3 {main line}) 7... Ba7 8. Be3 (8. Bb2 {1 win, 1 draw,1 loss}) 8... b5 (8... O-O 9. Bxa7 Rxa7 10. Nc3 d6 11. Qd2 (11. h3 {main}) 11... Bg4 12. Ne1 Nh5 13. Nd5 b5 14. Bb3 Nd4 15. f3 Be6 { Urbild-Denda, SVR ch Sen 2000,0-1}) 9. Ba2 (9. Bd5 Qe7 10. c4 $14 {Komodo11}) 9... Bb7 (9... d6 $11) 10. Nbd2 d5 {a little risky with the Bl K still in the centre, but Bl is already taking aim at g2} 11. exd5 Nxd5 12. Bxa7 Rxa7 (12... Nc3 13. Qe1 Rxa7 14. Bb3 O-O 15. Ne4 Nxe4 16. dxe4 Qe7 17. Qc3 (17. c3 a5 $14) 17... Nd4 18. Nxd4 exd4 19. Qxd4 Qxe4 20. Qxe4 Bxe4 21. Rfe1 Bg6 22. Re7 a5 $11 {Komodo11}) 13. Ne4 (13. Re1 {Iolo} O-O 14. Nxe5 Nxe5 15. Rxe5 Nf4 {is kin to a Marshall Attack in the Ruy Lopez} 16. Qg4 {Wh needs to occupy the attacking squares on the K side before Bl does} Nxg2 17. Ne4 Nh4 18. Rh5 Bxe4 19. dxe4 Qf6 20. Rd1 Nf3+ 21. Kg2 Ne5 22. Qf5 $16) 13... Nf4 (13... O-O 14. Re1 Nf4 { is safer}) 14. Qd2 (14. g3 Nh3+ 15. Kg2 Ng5 (15... Qc8 16. Bd5 O-O 17. Bxc6 Bxc6 18. Nxe5 {and Wh wins a pawn, but looks dangerous on the long diagonal after} Ba8) 16. Nfxg5 hxg5 17. Kg1 Qd7 18. f3 Nd4 19. Nxg5 Bd5 20. c3 Ne6 21. f4 $16) 14... Qe7 (14... O-O 15. Nxe5 Nh3+ 16. gxh3 Nxe5 17. Qf4 Qd4 18. Rfe1 Kh8 $11 {Komodo11}) 15. Nc5 (15. Rfe1 $16) 15... O-O (15... Nd4 $1 $19 { Komodo11} 16. Nxd4 (16. Qxf4 {best try ; Komodo11} Ne2+ 17. Kh1 Nxf4 18. Nxb7 Rxb7 19. Rfe1 Ng6 20. d4 O-O $19) (16. Kh1 Nxf3 17. Qxf4 exf4 18. Nxb7 Rxb7 19. Bd5 Rb6 20. Bxf3 O-O $19) 16... Qg5 17. f3 Nh3+ 18. Kh1 Qxd2 $19) 16. Rfe1 (16. Nxb7 Rxb7 17. Rae1) 16... Qd6 17. Qe3 Qg6 (17... Ba8 18. Ne4 Qg6 19. g3 Rb7 20. c3 Rbb8 21. Kf1 Ne6 22. Nh4 Qh7 23. Bxe6 fxe6 24. Nc5 g5 25. Ng2 Qf5 26. Kg1 $16) 18. Nh4 (18. g3 Nh3+ 19. Kf1 Ng5 20. Nxg5 hxg5 21. c3 Raa8 (21... Bc8 22. Bd5 Bh3+ 23. Kg1 Rd8 24. Bf3 $18 {Komodo11})) 18... Qg4 (18... Qh5 19. g3 Nd4 20. Nxb7 Rxb7 21. Qe4 Rb6 22. gxf4 Qxh4 23. fxe5 Qxe4 24. Rxe4 Rd8 25. Rc1 Rc6 26. c3 Nf3+ 27. Kg2 Rxd3 28. e6 fxe6 29. Rxe6 Rxe6 30. Bxe6+ Kf8 31. Bc8 Nh4+ 32. Kf1 Rd6 $11 {Komodo11}) 19. Qg3 Ne2+ $6 {wins an exchange, but leaves Bl vulnerable to the same kind of attack she has engineered against Wh} (19... Bc8 20. Qxg4 Bxg4 21. f3 Bc8 22. g3 Ne6 23. Bxe6 Bxe6 24. Nxe6 fxe6 25. Ng6 Nd4 26. Re4 Nxf3+ 27. Kg2 Rf6 28. Nxe5 Nxe5 29. Rxe5 c6 30. a4 Raf7 31. Re2 $14 { Komodo11}) 20. Rxe2 Qxe2 21. Nf5 $18 g5 (21... g6 $2 22. Qxg6+ Kh8 23. Qg7#) 22. Nxh6+ Kh7 23. Qxg5 f6 {looks as if it might hold, but Komodo11 has other ideas} (23... Bc8 24. Bxf7 Rxf7 25. Nxf7 Qg4 26. Qh6+ Kg8 27. Ng5 Qf5 28. Nce4 $18 {there are too many Wh pieces around the K, while the Bl ones are mostly buried on the Q side}) 24. Qh4 (24. Bg8+ {Komodo11, forces a quick mate} Rxg8 ( 24... Kh8 25. Qg6) 25. Qxg8+ Kxh6 26. Ne6 Ra8 27. Qg7+ Kh5 28. Qh7+ Kg4 29. Qh3# {Komodo11}) 24... Qd2 (24... Kg6 25. Ne6 $1 {mating soon} (25. Ng4 $1 { also, Komodo11} Qd2 26. Bg8 $1 Rxg8 27. Qxf6+ Kh7 (27... Kh5 28. Qf5+ Qg5 29. Nf6+ Kh6 30. Qh7#) 28. Qf7+ Rg7 29. Nf6+ Kh8 30. Qf8+ Rg8 31. Qxg8#) (25. Ne4 $2 Qh5 $11) 25... Bc8 (25... Rh8 26. Qg3+ Kxh6 27. Qg7+ Kh5 28. Qxh8+ Kg6 29. Qg7+ Kf5 30. Qh7+ Kg4 31. Qh3# (31. h3#)) (25... Re8 26. Qg3+ Kxh6 27. Qg7+ Kh5 28. Qh7+ Kg4 29. h3#) 26. Nxf8+ Kg7 27. Ng8 Kxf8 28. Qxf6+ Ke8 29. Qf7+ Kd8 30. Qf8+ Kd7 31. Nf6#) 25. Nf7+ (25. Ng4+ Kg6 26. Bg8 $1 Rxg8 27. Qxf6+ Kh5 28. Qf5+ Rg5 29. Nf6+ Kh6 30. Qh7#) (25. Bg8+ Kg7 (25... Kg6 26. Ng4 {as above}) 26. Ne6+ Kh8 27. Qh5 Qg5 28. Nxg5 Rd8 29. Nhf7+ Kg7 30. Ne6+ Kxg8 31. Qg6#) 25... Kg6 26. Ne4 (26. Qg4+ $1 {forces} Qg5 (26... Kh7 27. Qh5+ Kg7 28. Ne6+ Kg8 29. Qg6#) 27. Nxg5 fxg5 28. h4 $18) 26... Qf4 27. g4 Rxf7 (27... Nd4 { best try, Komodo11} 28. Qh5+ Kg7 29. g5 Nf3+ 30. Kg2 Qxh2+ 31. Qxh2 Nxh2 32. gxf6+ Kh7 33. Rh1 $18) 28. Qh5+ Kg7 29. Qxf7+ Kh6 30. Qh5+ (30. Qf8+ $1 Kh7 31. Bg8+ Kh8 32. Bf7+ Kh7 33. Qg8+ Kh6 34. Qg6# {Komodo11}) (30. Nxf6 Qxg4+ 31. Nxg4+ Kg5 32. Qg7+ Kf4 33. Nh6 Nd4 34. Qg4# {Komodo11}) 30... Kg7 31. Bf7 Ne7 ( 31... Qh6 {Komodo11, limits the damage to 2 pawns} 32. Qxh6+ Kxh6 33. Bd5) 32. Nc5 (32. Be6 Ra8 33. Qf7+ Kh8 34. Nxf6 Qh6 35. Qxe7 Qg7 36. Qxg7+ Kxg7 37. Nh5+ $18 {Komodo11}) 32... Bd5 (32... Bc8 33. Be6 Qg5 34. Qf7+ Kh6 35. Qxe7 $18) ( 32... Qh6 {best, Komodo11} 33. Qxh6+ Kxh6 34. a4 $18 {again 2 pawns ahead & better placed pieces}) 33. Bxd5 Qh6 (33... Nxd5 34. Ne6+ Kg8 35. Qg6+ Kh8 36. Qg7# {wins the Q & the K}) 34. Ne6+ Kh7 35. Be4+ (35. Qf7+ $1 Kh8 36. Qxe7 { mating soon} Qg6 37. Qf8+ Kh7 38. Be4 c6 39. Bxg6+ Kxg6 40. Qg8+ Kh6 41. Qh8+ Kg6 42. Qh5#) 35... Ng6 36. Nf8+ (36. Bxg6+ Kg8 37. Qxh6 c6 38. Qf8# {Komodo11} ) 36... Kg7 37. Nxg6 (37. Ne6+) 37... Qxh5 38. gxh5 Kh6 39. Bf3 c6 (39... c5) 40. Kg2 Rc7 41. Kg3 Kg5 42. h4+ Kh6 (42... Kf5 43. Bg4#) 43. Kg4 c5 44. bxc5 Rxc5 45. Bd1 e4 46. dxe4 (46. d4) 46... Rxh5 47. f4 (47. Ne7) 47... Kxg6 48. Kg3 (48. f5+ Kh6 49. Kg3 {wins the R}) 48... Rc5 49. f5+ Kh6 50. Rc1 1-0

Sunday, 14 January 2018

New Year Honours

Aberystwyth continued its good form in the first match of the New Year, away to Steynton A at the Emlyn Cafe, Tanygroes, on Wednesday 10 January. On top board Brendan-Budok Durand-Le Ludec quickly picked up a piece against Colin Denham's irregular defence to 1.d4, and trapped Black's queen soon afterwards. Rudy van Kemenade's win against David Pinch in a Three Knights Game was longer, but White's doubled pawns gave him a long-term disadvantage, and when Black acquired two passed pawns on the kingside the end soon followed. Julie van Kemenade's game was another irregular one, as John Miller didn't meet her King's Indian Attack with the expected ...d5. In the slow manoeuvring that followed, Black seemed to lose track of his vulnerable pawns, leading to a comfortable win for White. I have been playing the same system against Scott Hammett's Bird's Opening for some time now, with consistently mediocre results, and tonight's game was no exception, quickly fizzling out into another draw. Aberystwyth won the match 3½-½.

[Event "Dyfed League:SteyntonA-Aberystwyth"] [Site "?"] [Date "2018.01.10"] [Round "?"] [White "Durand Le Leduc, Brendan"] [Black "Denham, C."] [Result "1-0"] [ECO "E20"] [WhiteElo "2183"] [BlackElo "1659"] [Annotator "Rudy"] [PlyCount "33"] [EventDate "2018.01.11"] 1. d4 Nf6 2. c4 e6 3. Nf3 Be7 {rather passive; more frequent are} (3... b6 { Queen's Indian}) (3... d5 {Queen's Gambit}) (3... Bb4+ {Bogoindian}) (3... c5 { perhaps to Modern Benoni if} 4. d5 (4. Nc3 cxd4 5. Nxd4 {English or Sicilian, Maroczy})) 4. Nc3 b6 (4... d5 5. Bg5 {Queen's Gambit}) 5. e4 d6 6. Bd3 { Wh has a good centre grip} c5 (6... Bb7) (6... Nbd7 {are safer, but Wh still scores in the 70% bracket in these}) 7. e5 $18 {Bl is in trouble on the wh diagonal ( though a few Wh players have missed this move} cxd4 (7... dxe5 8. dxe5 {& Bl must still shed a piece, 3-0}) (7... Ng8 8. exd6 $1 Qxd6 9. dxc5 (9. Be4 Nc6 10. Bf4 Qd7 11. d5 $18) 9... Qxc5 10. Be3 (10. Be4 Nc6 11. Be3 Qxc4 12. Nd2 $18) 10... Qc7 11. Be4 (11. Nb5 Qc6 12. Bf4 Na6 13. Nbd4 Qb7 14. O-O $16) 11... Bb7 12. Nb5 Qc8 13. Bxb7 Qxb7 14. Nd6+ Bxd6 15. Qxd6 $11 {Stipancic(1809) -Hupe(2049), Niedersachsen ch, Verden 2014,1/2-1/2}) 8. exf6 Bxf6 9. Ne4 Bb7 10. Nxf6+ (10. Qa4+ Bc6 11. Qc2 Be5 12. Nxe5 dxe5 13. f3 $18 {Soeder-Martin, Oberliga Bayern 1996,1-0}) (10. O-O {Komodo11}) 10... gxf6 11. O-O (11. Nxd4) 11... e5 12. Re1 Nc6 13. Nh4 f5 (13... Ne7 14. Qh5 Qd7 15. Bh6 Rg8 16. f3 $18 { Komodo11}) 14. Nxf5 Qf6 15. Qh5 O-O-O (15... Kd7 16. Nh6 Rhf8 17. Bg5 Qg7 18. Qg4+ Ke8 19. f4 $18 {Komodo11}) 16. Bg5 Qe6 (16... Qg6 17. Ne7+ Nxe7 18. Bxg6 hxg6 {is a little better , but not much}) 17. Ng7 {The Q is lost} (17. Ng7 Qd7 18. Bf5) 1-0 [Event "Dyfed League:SteyntonA-Aberystwyth"] [Site "?"] [Date "2018.01.10"] [Round "?"] [White "Pinch, David"] [Black "Van Kemenade, R."] [Result "0-1"] [ECO "C42"] [WhiteElo "1623"] [BlackElo "2015"] [Annotator "Rudy"] [PlyCount "88"] [EventDate "2018.01.11"] 1. e4 {deviating from his usual} (1. f4) 1... e5 2. Nf3 Nf6 3. Nc3 Bb4 4. a3 ( 4. Bc4) (4. Nxe5 {main lines}) 4... Bxc3 5. dxc3 O-O {Bl is now a developing move up, & its as if he was playing as Wh. Also Wh needs to take care of his e pawn} (5... d6 {more frequent,Wh scores 39%}) 6. Bd3 (6. Bg5 {most frequent, Wh scores 45%}) 6... d5 {opening up the centre} 7. Bg5 {14%} (7. Qe2 {12%} dxe4 8. Bxe4 Nxe4 9. Qxe4 Qf6 $15 {De Jong-Talim, IECG email, 2004,0-1}) 7... dxe4 8. Bxf6 Qxf6 (8... gxf6 9. Bxe4 Qxd1+ (9... f5 10. Bd5 e4 11. Ng1 c6 12. Bb3 $11) 10. Rxd1 c6 (10... f5 11. Bd5) 11. Nh4 $11 {Lorenz-Balzer, Cattolica op 1992,1-0, Wh hs a doubled pawn on the Q side, & Bl has one on the K side}) 9. Bxe4 {Komodo11 assesses the position as level. However in variations of the Ruy Lopez exchange, Bl has 2 Bs and centre activity to compensate for the doubled Q side pawns. Here, though, in the absence of the B pair for Wh, Bl has in effect an extra K side pawn,} Nd7 (9... c6 10. Qd3 h6 11. O-O Nd7 12. Ne1 Nc5 13. Qc4 Nxe4 14. Qxe4 Qf5 15. Qxf5 Bxf5 {Lanfranchi-Poulain, Marseilles op 2004,0-1}) (9... Nc6 10. O-O Bg4 11. h3 Rad8 12. Qe2 Bh5 13. Qb5 Bxf3 14. Bxf3 Rb8 15. Rfe1 Rfe8 16. Rad1 a6 17. Qc4 $14 {Babaeva-Katkov, Voronezh ch 2015,0-1}) 10. O-O (10. Qe2 Nc5 11. Bd5 c6 12. Ba2 Bg4 13. h3 e4 $5 (13... Bxf3 14. Qxf3 Qxf3 15. gxf3 Rad8 $15 {Komodo11}) 14. hxg4 exf3 15. Qxf3 Rae8+ 16. Kf1 Qe7 17. g3 $14 {Jurisin-Klem, Strobec op 2008,0-1}) 10... Nc5 11. Qe2 c6 $6 (11... Bg4) 12. b3 {both sides miss a trick here} (12. Nxe5 $1 Re8 ( 12... Qxe5 $2 13. Bxh7+) (12... Nxe4 13. Qxe4 Bf5 14. Qe2 Rae8 15. f4 Qe7 16. Qf2 $14 {though its diddicult to exploit the extra Q side pawn}) 13. Rae1 Nxe4 14. Qxe4 Bf5 15. Qe2 h6 (15... Bxc2 16. Nd7 Qe6 17. Qxe6 Rxe6 18. Rxe6 fxe6 19. Re1 Rd8 20. Nc5 b6 21. Nxe6 Re8 22. Re2 Bd1 23. Re3 c5 24. b4 Bb3 25. Ng5 Rxe3 26. fxe3 h6 27. Ne4 $14 {now Wh has an extra K side pawn}) 16. Ng4 $14) 12... Re8 13. Rfe1 Bg4 (13... Qe7 14. b4 Nxe4 15. Qxe4 f6 16. Nd4 Qf7 17. f4 f5 18. Qe3 e4 19. Nf3 Be6 20. Ne5 Qe7 $11 {Komodo11, Wh has given Bl a bad B& blockaded the passed pawn.}) (13... Nxe4 14. Qxe4 Bf5 15. Qe2 Bg4 {looks the most exact move order}) 14. Qe3 (14. Rad1 Rad8 15. Rxd8 Qxd8 16. h3 Bd7 17. Nd2 f5 18. Bd3 e4 19. Bc4+ Be6 20. b4 Bxc4 21. Nxc4 Na4 22. Na5 Qd7 23. Rd1 Qe6 24. Qc4 Qxc4 25. Nxc4 Re7 $15 {Komodo11}) 14... Nxe4 15. Qxe4 Bxf3 16. Qxf3 Qxf3 17. gxf3 Rad8 {Wh has an additional pawn weakness & Bl seeks control over the only open file} (17... Re6 18. Rad1 Rae8 19. Rd7 R6e7 20. Rd6 f6 $11 {Wh has compensation enough with his control of the file}) 18. Re2 (18. Rad1 {Wh should contest this & gain his own R activity.} Kf8 (18... f6 19. Rxd8 Rxd8 20. f4 Rd2 21. fxe5 fxe5 22. Rxe5 Kf7 23. Kg2 Rxc2 24. Re3 $11 {Bl has allowed the trade of his good e pawn for the weakling on c2, but has a better R placement ( though this probably is not good enough for a win}) 19. Rxd8 Rxd8 20. Rxe5 Rd2 21. Kg2 Rxc2 22. Re3 b5 $15 {Bl has kept the doubled pawns on the f file for Wh, and is looking at the a pawn- but Wh can still put up a fight.}) 18... f6 19. Rae1 Kf7 $17 (19... g5 20. h4 h6 $17) 20. Kg2 (20. h4 g6 21. Kg2 h6 22. c4 g5 $17 {transposes}) 20... g5 21. Kg3 Kg6 $17 (21... Ke6 $17 {Komodo11}) 22. Rh1 Rd7 (22... Kf5 23. h4 Rg8 24. h5 Rg7 $17 {Komodo11}) 23. h4 Red8 {changing plans, getting an outside passed pawn rather than a slow squash ( which would still be the better option, as the text allows Wh counterplay)} (23... h6 24. hxg5 hxg5 25. Kg2 Red8 26. c4 Rd1 27. Ree1 R1d2 (27... Rxe1 28. Rxe1 Rd2 29. Rc1 Kf5 $17 {reduces Wh to passivity}) 28. Rc1 R8d4 29. Rhe1 g4 30. Re4 gxf3+ 31. Kxf3 Rxe4 32. Kxe4 Rxf2 $17 {Komodo11}) 24. hxg5 Kxg5 25. Rh4 (25. f4+ { expected & would have given Wh a lot of R activity} exf4+ 26. Kf3 h5 27. Re4 Rd1 (27... Rd2 28. Rg1+ Kh6 29. Re6 Rf8 30. Ke4 $1 f3 31. Kf5 Rd5+ 32. Kf4 Rf7 33. Kxf3 Re5 34. Rd6 Ra5 35. a4 Rf5+ 36. Ke2 h4 37. Rh1 Rh5 {=Komodo11, Wh has 2 active Rs, but in practical play the h pawn retains winning chances for Bl)}) 28. Rh2 Kg6 29. Kxf4 R8d5 30. c4 (30. Re7 Rf5+ $19) 30... Rf5+ 31. Ke3 Re1+ 32. Kd4 c5+ 33. Kd3 Rf3+ 34. Re3 Rexe3+ 35. fxe3 Rg3 $17 {similar to the game- the Wh K is cut off and Bl wins by advancing the h pawn}) 25... h5 (25... Re7 $1 { Komodo11, prevents f4 for a move} 26. Ree4 h5 27. f4+ exf4+ 28. Rhxf4 Rxe4 29. Rxe4 Rd2 $17) 26. f4+ exf4+ 27. Rxf4 Rd1 (27... Rd2 28. Re7 R8d7 29. Re8 Kg6 30. Rf3 Rxc2 31. Rg8+ Rg7 32. Ra8 a6 33. Rf8 Rf7 34. Rg8+ Kh7 35. Re8 Rb2 36. c4 Rd2 37. Kf4 Rfd7 38. a4 R7d3 39. Re7+ Kg6 40. Rxb7 h4 41. Rxd3 Rxd3 42. Rb8 h3 43. Ke4 Rc3 44. a5 Kf7 45. Kd4 Kg7 46. Rb7+ Kg6 47. Rb8 Rf3 48. Rh8 Kg7 49. Rh4 Rxb3 50. Kc5 Kg6 51. f4 $1 Kf5 (51... Rc3 52. Kb6) 52. Kxc6 Ke4 53. c5 f5 54. Kc7 Rc3 55. c6 Kd5 56. Rh6 h2 57. Rxh2 Rxc6+ 58. Kb7 Rc4 $11 (58... Re6 $11 {Komodo11, nudged})) 28. Rc4 {trying for Rc5 ch} (28. Re6 $1 {considered by Wh} f5 (28... Rg1+ 29. Kf3 Rc1 30. Rfxf6 Rxc2 31. Rg6+ Kf5 (31... Kh4 $2 32. Re4+ Kh3 33. Rg3+ Kh2 34. Rh4#) 32. Rgf6+ $11) 29. Re5 h4+ 30. Kf3 Rf8 31. Re7 h3 32. Rg7+ Kf6 33. Rh7 Rd2 34. Rh5 Kg6 35. Rfh4 Rxc2 36. Rh6+ Kf7 37. Rxh3 Rxc3+ 38. Kf4 Rxh3 39. Rxh3 Ke6 40. Rh6+ Kd5 41. Rh7 b5 42. Rd7+ Kc5 43. Rxa7 Kd4 44. b4 Re8 45. Rg7 Re2 46. f3 Ra2 47. Ra7 Rf2 48. Rf7 Kc4 49. Ra7 Kb3 50. Ra8 $11) 28... R1d2 (28... R8d2) 29. Rce4 Rxe2 (29... h4+ {considered by Bl}) 30. Rxe2 Rd7 {Bl considered this a forced win,Komodo11 still thinks equal. Wh has to play accurately to save the game, but, as the one under pressure. mistakes can come quite easily.} 31. f3 {a mistake , making the f pawn more vulnerable & taking a square away from his own K. Its seldom a good idea to move pawns on the side where you are under attack, as it creates openings, & pawns cannot move backwards.} (31. a4 {takes care of a loose pawn( in some R endings) & wait. However Bl retains good chances} h4+ 32. Kg2 Kf4 (32... f5 33. Re8 Kf4 34. Rf8 Rd2 35. Rh8 Rxc2 36. Rxh4+ Ke5 37. Rh3 $11) 33. Re6 f5 34. Rh6 Rg7+ 35. Kf1 Kg5 36. Rh8 b6 37. c4 Kg4 38. Kg2 c5 39. Rh6 Rc7 40. Rg6+ Kf4 41. Rh6 Rg7+ 42. Kf1 Kg4 43. Kg2 $15 {Komodo11, but the Engine keeps going round in circles & with the R behind the h pawn Wh looks like holding, Bl needs to sacrifice the outside pawn & try to get entry with his K} Re7 44. Rg6+ Kf4 45. Rh6 Kg5 46. Rh8 Re2 47. Rh7 Rxc2 48. Rxa7 Rc3 49. Rb7 Rxb3 50. a5 h3+ (50... Rb4 51. axb6 Rxc4 52. Rg7+ Kf4 53. b7 Rb4 54. Re7 Rb3 55. Rc7 h3+ 56. Kh2 Ke4 57. Rxc5 Rxb7 58. Kxh3 $11 {Nalimov tablebases}) 51. Kh2 Kf4 52. Rxb6 Ra3 53. Rb5 Kg4 54. Rxc5 f4 55. Rb5 Ra2 56. Kg1 h2+ 57. Kxh2 Rxf2+ 58. Kg1 Ra2 59. Rc5 Kf3 60. Rb5 Ra1+ $11) 31... h4+ 32. Kh3 {(draw?)} Kf4 $17 33. Rf2 (33. Kxh4 Rh7# { would not be a good idea}) (33. Re4+ Kxf3 $19 34. Re1 (34. Rxh4 f5) 34... f5 35. Rf1+ Ke4 36. Re1+ Kf4 37. Rf1+ Kg5 38. Rg1+ Kf6 $19 {sooner or later The Wh K will need to take the h pawn & then be cut off} 39. Rf1 (39. Kxh4 $2 Rh7+ 40. Kg3 Rg7+ 41. Kf2 Rxg1 42. Kxg1 Ke5 $19) 39... Rd2 40. Rc1 f4 41. Kg4 h3 42. Kxh3 Kf5 {and Wh is close to zugzwang.as he will run out of pawn moves.}) 33... f5 $19 (33... Rd1 $1 {Komodo11} 34. c4 f5 35. c3 Ke3 36. Rh2 Kxf3 37. Kxh4 f4 { & the f pawn will cost a R} (37... Rg1 {cutting off the Wh K is a more human move} 38. Rd2 Rg7 39. b4 f4 {similar to the game}) 38. Kg5 Ke3 39. Rh3+ f3 40. Kf5 Ke2 41. Rh2+ f2 42. Ke4 Rg1 $19) 34. c4 Rg7 (34... Rd1 {Komodo11}) 35. Rd2 (35. Rf1 Ke3 36. f4 Ke2 37. Rh1 Rg4 38. Rh2+ Ke3 39. Rh1 Kxf4 $19 {Komodo11}) 35... Kxf3 36. Rd3+ Ke4 37. Rd6 f4 38. Rd8 Ke3 39. Re8+ Kf2 40. Re6 f3 (40... Rg3+ 41. Kh2 Re3 42. Rh6 f3 $19 {Komodo11}) 41. Re8 Kf1 42. Kh2 (42. Rf8 f2 43. Re8 Kg1) 42... Rg2+ {quickest} (42... f2 {Wh was hoping for this when} 43. Kh1 {thought Bl would have difficulty breaking out, However there would still be several ways for Bl to force a win. The position is fundamentally a Lucena position, but with several pawns cluttering things up} Rg3 {threatens mate} ( 43... h3 44. b4 h2 45. c5 Rg1+ {forces Wh to take the h pawn, and now the R can force the Wh K away from preventing Bl's K going to g1} 46. Kxh2 Rg2+ 47. Kh1 Rg7 48. Kh2 Rh7+ 49. Kg3 Kg1 $19) 44. Kh2 Rc3 45. c5 Rxc2 46. b4 Re2 47. Rf8 Ke1 $19 (47... Re3 $19)) 43. Kh1 Re2 44. Rf8 f2 (44... f2 45. Kh2 Re3 ( 45... Ke1 46. Kg2 f1=Q# {doublecheck & mate}) 46. b4 Ke1 47. Kg2 Rg3+ 48. Kh2 f1=Q) 0-1 [Event "Dyfed League:SteyntonA-Aberystwyth"] [Site "?"] [Date "2018.01.10"] [Round "?"] [White "Van Kemenade, J."] [Black "Miller, John S"] [Result "1-0"] [ECO "B21"] [WhiteElo "1740"] [BlackElo "1648"] [Annotator "Rudy"] [PlyCount "75"] [EventDate "2018.01.11"] 1. e4 e6 {French} 2. d3 (2. Qe2 c5 3. g3 Nc6 4. Nf3 g6 5. Bg2 Bg7 6. d3 Nge7 7. O-O O-O 8. c3 Qc7 9. Nbd2 {Van Kemenade-Miller, Dyfed League 2015,0-1}) 2... c5 {Sicilian} (2... d5 3. Qe2 d4 (3... Ne7 4. Nf3 c5 5. g3 Nbc6 6. Bg2 d4 7. O-O Rb8 {Van Kemenade-Miller, Dyfed League 2016,1/2-1/2}) 4. Nf3 c5 5. g3 Nc6 6. Bg2 e5 7. h3 {Van Kemenade-Miller, N,Dyfed vs S Dyfed 2014,1/2-1/2}) 3. f4 (3. Qe2 Nc6 4. Nf3 Nge7 5. g3 d5 6. Bg2 d4 7. O-O e5 8. Ne1 Qc7 9. f4 {Van Kemenade-Miller, Dyfed League 2013,1-0}) 3... Nc6 (3... d5 4. Nd2 Nc6 5. Ngf3 Nf6 6. g3 (6. c3) (6. Be2 {played})) 4. Nf3 d6 5. Be2 {Going for a position that Lakdawala Bird's Opening 2015 describes as ' the Clamp'. A related setup is} (5. g3 g6 6. Bg2 Bg7 7. O-O Nge7 8. c3 O-O 9. Be3 b6 10. d4 {transposes to R Van Kemenade-AH Williams, Dyfed League 2016, 1/2-1/2 [ game started 1f4,g6]} (10. Bf2 {delaying d4 main alternative})) 5... g6 (5... Nf6 6. O-O Be7 7. c3 O-O 8. Na3 {alternative}) 6. O-O Bg7 7. c3 Nge7 8. Nbd2 (8. Be3 O-O 9. Nbd2 (9. d4 {also played})) 8... Bd7 (8... O-O {main}) (8... b5 9. Qc2 O-O 10. a4 b4 11. c4 Rb8 12. Rb1 Nd4 13. Nxd4 Bxd4+ 14. Kh1 Nc6 15. b3 Bg7 16. Nf3 {Bernauer-N. Jussupow, Augsburg Afro op 2001,1/2-1/2}) 9. Rf2 (9. Nc4 Qc7 10. e5 Nc8 11. d4 cxd4 12. cxd4 d5 13. Ne3 Qd8 14. b3 O-O 15. Qe1 Re8 16. Qg3 N8e7 17. Qh3 Nf5 18. Nxf5 exf5 19. Kh1 h6 20. Bb2 $11 {Mbedza-Petersen, Commonwealth & RSA ch , Port Elizabeth 2013,1-0}) 9... Qc7 (9... d5 {Komodo11}) 10. Nf1 b5 11. Ng3 b4 12. Bd2 (12. d4 {Komodo11}) 12... a5 13. Qf1 (13. Rc1) 13... f5 (13... O-O) 14. Qc1 Qb6 15. Be3 Qb7 16. Bf1 (16. Bd1 O-O 17. Ba4 $11 {Komodo11}) 16... O-O 17. Rc2 h6 (17... a4 18. e5 b3 19. Rf2 Qc7 20. exd6 Qxd6 21. axb3 axb3 22. Nd2 Na5 23. Be2 $11 {Komodo11}) 18. exf5 {the first exchange of the game} (18. e5 dxe5 19. Bxc5 Rfc8 20. d4 e4 21. Nd2 Nd5 22. Nc4 Qc7 23. Nd6 Rd8 $15 {Komodo11}) 18... exf5 19. d4 cxd4 20. Nxd4 (20. cxd4 Be6 $15 {Komodo11}) 20... a4 (20... Nxd4 21. Bxd4 Bxd4+ 22. cxd4 Rac8 23. Rxc8 Rxc8 24. Qd2 Nd5 25. Re1 Kg7 $15 { Komodo11}) 21. Nxc6 (21. Nb5 Nd5 22. Bc4 (22. Nxd6 Qb8 23. Bc5 Ra5 24. cxb4 Ncxb4 25. Rf2 Kh7 $15) 22... Be6 23. Nxd6 Qd7 24. Bxd5 Bxd5 25. Bc5 $11 { Komodo11}) 21... Nxc6 (21... Bxc6 22. cxb4 a3 23. bxa3 Bxa1 24. Qxa1 Rxa3 25. Qd4 Kh7 26. b5 Bd5 27. Ne2 Bxa2 28. Nc3 Bb3 29. Rc1 Nd5 30. Nxd5 Bxd5 31. b6 Rf7 32. Bf2 $11 {Komodo11; the advanced b pawn & the 2 Bs compensate for the exchange ( & the d6 pawn is loose)}) 22. cxb4 Rac8 (22... a3 23. b5 (23. Rb1 $11) (23. Bc4+ Kh7 24. Rb1 axb2 25. Rcxb2 Bxb2 26. Qxb2 Nd8 27. Rd1 Be6 28. Bxe6 Nxe6 29. Rxd6 Qe7 30. Qe5 Rfe8 31. Nf1 $11 {Komodo11}) 23... Nb4 24. Rc7 axb2 25. Rxb7 bxa1=Q 26. Qxa1 Bxa1 27. Rxd7 Rfd8 28. Rxd8+ Rxd8 29. a4 d5 30. Bc5 Ra8 31. b6 (31. Bxb4 Bd4+ 32. Kh1 Rxa4 33. Bd6 Ra1 $19 {Komodo11})) 23. a3 (23. Bc4+ Kh7 24. a3 $11 {Komodo11, but Wh's b4 looks like an asset}) 23... Nd4 24. Bxd4 Bxd4+ 25. Kh1 Rxc2 (25... Be3 $1 {Komodo11} 26. Qd1 Rxc2 27. Qxc2 Rc8 28. Bc4+ d5 29. Qd3 Rxc4 30. Qxe3 d4 31. Qd2 $11) 26. Qxc2 Rc8 27. Qd2 $14 Qb6 28. Ne2 (28. Rd1 Bg7 29. Ne2 Be6 30. Nc3 Bb3 31. Qxd6 Qxd6 32. Rxd6 Bxc3 33. bxc3 Rxc3 34. Kg1 $16 {Komodo11}) 28... Bf6 (28... Be3 29. Qd5+ Kg7 30. Nc3 Bxf4 31. Bc4 Rf8 32. Re1 Qd8 $11 {Komodo11, looks unclear to human eye}) 29. Nc3 $16 Be6 (29... Qd4 30. Qxd4 Bxd4 31. Ba6 Rc7 32. b5 (32. Rd1 Bxc3 $15) 32... Bxc3 33. bxc3 Rxc3 34. b6 Kf8 35. Rb1 Bc8 36. b7 Bxb7 37. Bxb7 Rxa3 38. Kg1 $16 {Komodo11}) 30. Nxa4 $18 Qd8 (30... Qb8) 31. Nc3 d5 32. a4 (32. Na4 d4 33. Nc5 {Komodo11}) 32... d4 33. Nd1 {blockading the passed pawn} (33. Nb5) 33... Bb3 34. Bd3 (34. b5 Rc2 35. Qd3 Qd5 36. Ra3 $18 {Komodo11}) 34... Qd5 ( 34... Be7 35. a5 $18) 35. b5 $18 g5 36. a5 (36. Nf2) 36... g4 37. b6 Bc4 38. a6 1-0 [Event "Dyfed League:SteyntonA-Aberystwyth"] [Site "?"] [Date "2018.01.10"] [Round "?"] [White "Hammett, S."] [Black "Francis, Matthew"] [Result "1/2-1/2"] [ECO "A03"] [WhiteElo "1504"] [BlackElo "1764"] [Annotator "Rudy"] [PlyCount "53"] [EventDate "2018.01.11"] 1. f4 d5 2. Nf3 Bg4 3. e3 c6 (3... Nd7 4. Be2 (4. h3 Bxf3 5. Qxf3 Ngf6 6. g4 h6 {R Van Kemenade-Francis, Aberystwyth ch 2011,0-1}) 4... Bxf3 5. Bxf3 c6 { Hammett-Francis, Dyfed League 2017,1/2-1/2}) (3... Nf6) (3... e6) (3... Nc6) ( 3... Bxf3 {more frequent than the text}) 4. Be2 Bxf3 (4... Nd7) 5. Bxf3 Nd7 6. O-O (6. b3 e5 7. fxe5 Nxe5 8. Bb2 Bd6 9. O-O (9. Qe2) 9... Nf6 10. d4 Nxf3+ 11. Qxf3 Qe7 12. Nd2 O-O 13. Rae1 Ne4 (13... Rae8) 14. Nxe4 Qxe4 15. Qxe4 dxe4 16. c4 $11 {Hammett-Francis, Dyfed League 2017,1/2-1/2}) 6... e5 7. fxe5 Nxe5 8. d4 Nxf3+ 9. Qxf3 Nf6 10. c3 (10. Nc3 Bb4 {0-3}) (10. Bd2 Qd7 11. Be1 Bd6 12. Nd2 Qe6 13. Bh4 Ne4 14. Nxe4 dxe4 15. Qf5 Qxf5 16. Rxf5 O-O 17. Bg3 Bxg3 18. hxg3 Rfe8 19. Raf1 Re7 20. c4 $11 {Van Rijn-Pilgrim, Groningen Harmonie op 2003,1-0} ) 10... Bd6 11. Nd2 O-O (11... Qe7 {Rudy} 12. Re1 Ne4 13. Nxe4 dxe4 14. Qh3 O-O 15. Bd2 f5 16. c4 Qf7 17. b3 b5 $15 {Komodo11}) 12. e4 dxe4 (12... Qb6 13. Kh1 Nxe4 14. Nxe4 dxe4 15. Qxe4 Rae8 16. Qd3 Qc7 17. g3 Qe7 18. Bd2 Qe2 19. Rf3 Qxd3 20. Rxd3 Re2 21. Re1 Rfe8 22. Rxe2 Rxe2 23. c4 $11 {Komodo11}) 13. Nxe4 Nxe4 14. Qxe4 Qc7 (14... Re8 15. Qf3 Re7 16. Bf4 Bxf4 17. Qxf4 Qd5 18. Qf5 Qxf5 19. Rxf5 Rae8 20. Raf1 $11 {Komodo11}) 15. Bf4 Rae8 16. Bxd6 Qxd6 $11 17. Qf3 Re6 18. Rae1 Rh6 19. g3 (19. Qf4 $11) 19... Qd7 20. Rf2 Rf6 (20... Re8) 21. Qg2 Rxf2 22. Qxf2 Rd8 (22... Re8 $11) 23. Qe3 Kf8 24. Qe4 g6 {a little dangerous} ( 24... Re8 25. Qxe8+ Qxe8 26. Rxe8+ Kxe8 $11) 25. Qe5 Kg8 26. Qf6 (26. Qe7 b6 27. Qxd7 Rxd7 $11) 26... Re8 27. Re5 (27. Re5 Rxe5 28. Qxe5 Qg4 $1 {passive defence might allow Wh to push his d pawn through} (28... h5 29. c4 Kf8 30. d5 cxd5 31. cxd5 Qe8 32. Qh8+ Ke7 33. Qd4 Qd7 34. Qe5+ Kd8 35. d6 Qe6 36. Qa5+ b6 37. Qxa7 Qe1+ 38. Kg2 Qe2+ 39. Kh3 Qe6+ 40. Kg2 Qe2+ $11) 29. Kg2 Qd1 30. Qe8+ Kg7 31. Qe5+ Kg8 $11) 1/2-1/2

Tuesday, 9 January 2018

No chess tonight - Tuesday 9 January

There will be no meeting of the Chess Club tonight, as Brynamlwg is closed. Chess resumes for the New Year on Tuesday 16th January.