Just a brief update this time of the latest results in the Dyfed Online League. Aberystywyth won the match against Aberystwyth University on Tuesday 1st December by 3½-½. Surprisingly, the half point was conceded by Rudy van Kemenade on top board. In a King's Indian Attack French, Rudy created and attacked a weakness on Black's kingside but his own queenside-castled king was also vulnerable, and Dan was able to force a draw by perpetual check. The other game given here is Sam Holman's in a Sicilian against Kieran Judge; Sam's persistent pressure down the c-file led to a convincing win. James Cook won against Kieran Rafferty and the other game was a default.
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| Move | N | Result | Elo |
|---|---|---|---|
| Replay and check the LiveBook here |
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1.e4 e6 2.d3 C00 French Defense: King's Indian Attack d5 3.Qe2 Bl seemed
surprised at this, though Rudy is on the record with this idea.-R The lichess
commentary has been kept- -R signals other input. dxe4 4.dxe4 Nc6?!
(0.00 ? 0.54) Inaccuracy. e5 was best. 4...e5 main- R 5.Nf3 Nc6 6.Nc3 Nf6 7.a3 h6 8.Be3 Be6 9.h3 5.Nf3 5.e5 Nge7 is ok for Bl, 1-2 5...e5 The problem for the French Defence player is that they are now in an e4-35
position ( & one where Wh has good prospects on the wh squares-R 6.c3 Bd6
this could turn out a bad B, which was what Wh was hoping for 6...Nf6
main-R 7.Qc2 Bc5 7...Be7 8.Bb5 Bd6 9.0-0 0-0 10.h3 a6 11.Bxc6 bxc6 12.Rd1 Qe7 13.Nbd2 Van Kemenade-Goodwin, GBR ch 65+, Llandudno 2017,1-0 [ the
previous encounter bwteen these players had been Manchester 1977,1/2-1/2 8.Bb5 Bd7 9.Nbd2 0-0 10.h3 Qe7 11.Nf1?! Nb4! Van Kemenade-Van Veelen,
West Wales open 2019, 1/2-1/2 7.Qc2 Nf6 7...a6 8.Be2 Nf6 9.h3 0-0 10.g4 b5 11.Bg5 Qe7 12.Nbd2 Nd8 13.Nh4 Ne6 14.Nf5 Qd8 15.Bh4 Nf4 16.Bf3 b4 17.0-0-0 bxc3 18.Qxc3= Zhang-Ali Marandi, Doha 2015,1-0 -R 8.Bg5
64% for Wh- getting ambitious on the K side 8.Nbd2 main 0-0 9.Nc4
68% for Wh-R 8...h6 9.Bh4 4 Wh wins, 4 draws, 1 Bl win Bg4 9...g5!?
2-1 -R 10.Nbd2N Cloud Engines 10.Be2 2-0- R 10...Qe7 11.h3 Bh5 12.Bb5 12.Bc4 g5 13.Bg3 0-0-0 Stockfish12 -R 12...0-0 13.g4 Bg6 14.g5 in retrospect this might be held back, but it is Stockfish12's main
choice 14.Bxc6 considered- in retrospect this would have been an improvent
on the game (where the B has to swap the N on e6 instead), but at this point
Wh was loath to open up the b file as Wh needs to 0-0-0-R 14...hxg5 15.Bxg5 Nd8?! (0.36 ? 0.90) Inaccuracy. Bc5 was best.[ the Metzner unpin is a known
resource in the Four Knights game-R 15...Bc5 16.0-0-0 16.Nh4 Ne6 17.Nxg6 fxg6± 18.Bc4 18.h4± Stockfish12-R 18...b5 18...Kh8 19.h4 Qe8 20.0-0-0 Nh5 21.Be3 Stockfish12-R 19.Bb3?! (0.71 ? 0.17)
Inaccuracy. Bd5 was best. 19.Bd5 c6 20.Bxe6+ Qxe6 21.Be3 a5 21...Rf7= Stockfish12-R 22.Rg1 Nh5 22...Qxh3 23.0-0-0 Qe6 24.Qb3 Qxb3 25.axb3 Kh7= Stockfish12-R 23.Qb3 Qxb3 24.axb3 Rf6 25.Rg4 Bc7 19.Bxe6+ Qxe6 20.Qb3 Qxb3 21.axb3 Stockfish12- playing against the d6 B-R 19...a5 19...Kh8= Stockfish12-R 20.a3 Wh was wary of this- aware the pawn
could become a target for a B or a Bl pawn advance-R 20.a4 bxa4 21.Rxa4
considered, but then Nc5 will be coming-R 20...a4 21.Ba2 21.Bd5!?
(insisted upon by lichess engine) Rab8 22.f4 Kh8 23.Bxe6 Qxe6 24.f5 gxf5 25.exf5 Qf7 26.0-0-0 Nh5= Stockfish12-R 21...Bc5? (0.23 ? 1.33)
Mistake. Kh8 was best. 21...Kh8 22.Be3 22.Nf3 22.0-0-0 Bxf2 looks
dangerous 22...Kh8 23.h4 Qe8 24.Nf3 Nh5 25.Rd3 Nef4 26.Rd2 Ne2+ 27.Rxe2 Rxf3 28.Kb1 Rb8 29.Rd1± Stockfish12 23.Nf3 Bc5 24.Nxe5 Qe8 25.Bxf6 Rxf6 26.Nd7 Rf2 27.Nxc5 Rxc2+ 28.Kxc2+- Stockfish12-R 22.f4 Julie Kh8 23.h4 Nxf4 23...exf4 24.e5+- 24.0-0-0 Rad8 25.Nf3= Stockfish12
22...Bd6?! (1.66 ? 2.43) Inaccuracy. Rad8 was best. 22...Rad8 23.Nxe5 [ lichess judgement- Wh looks superior, but then the best Stockfish12 finds
is a draw after Kh7 24.Nxg6 Kxg6 25.e5+ Kxg5 26.Rg1+ Kh4 27.Qf5 Bxf2+ 28.Qxf2+ Kh5 29.Qg3 g5 30.Bxe6 Ne4 31.Qg4+ Kh6 32.Qxe4 Qxe6 33.h4 Qh3 34.Ke2 34.hxg5+ Kg7-+ 34...Rf2+ perpetual 35.Kxf2 Qh2+ 36.Rg2 Rd2+ 37.Ke3 Rxg2 38.Qc6+ Kh5 39.Qf3+ Kg6 40.Qf6+ Kh7 41.Qe7+ Stockfish12-R 23.Nh4? (2.43 ? 0.90) Mistake. Rg1 was best. [ the problem with this is that,
although it attacks g6, it blocks the h file. Bl's K can now find a safe haven
there, as the Wh h pawn is unable to advance to open the file up for Wh-R] 23.Rg1 [considered-R] c5 24.Bd5 Ra6 25.Qe2 c4 26.Bxf6 Qxf6 27.Ng5 Bc5 28.0-0-0 Bxf2 29.Nxe6 Rxe6+- 23.h4+- Stockfish12 eg Qe8 24.Be3 Kh8 25.Ng5 Nc5 26.0-0-0 Ra6 27.f4 opening up lines for the Wh Q to enter 27.Bd5 27...Nb3+ 28.Kb1 exf4 29.h5 gxh5 30.Bd4 Be5 31.Bxe5 Qxe5 32.Rd8 Qc5 33.Rxf8+ giving up the Q might be best Qxf8 34.e5 Ne4 35.Rxh5+ Rh6 36.Rxh6+ gxh6 37.Nxe4+- 23.0-0-0+- Stockfish12-R 23.Be3 c5 23...Nh7 24.Qe2 Kh8 25.h4+- Nf4 26.Bxf4 Rxf4 27.Ng5 Raf8 28.f3+- 24.Nh4+-
Stockfish12-R 23...Kh7 24.Bxe6?! (0.74 ? 0.00) Inaccuracy. Be3 was best. 24.Be3 Nh5 25.Rg1 Qxh4 26.Bxe6 Nf4 27.Bd5 Rad8 28.0-0-0 Qh5 29.Kb1 Nxd5 30.exd5 Qf5 lichess stops here- Stockfish12 carries on with 31.Rg5+-
though it's not immediately clear-R Qxc2+ 32.Kxc2 Rf3 33.Rdg1 Bf8 34.R5g4 Rxh3 35.c4 bxc4 36.Rxc4 Rxd5 37.Rxa4 Wh is half a pawn down, but his Q
side ones should be winning?-R 24.Nf3± Stockfish12-R 24...Qxe6 25.0-0-0 25.Rg1 initially given as near winning by Stockfish12- then it
settles to equal-R 25...Qa2 26.f3 26.Rhg1 26.Be3 but Wh seems to
have no advantage in these either-R Ra6 27.Nf3 Rc6-+ Stockfish12-R 26...Rad8 26...Nh5-+ Stockfish12-R 27.Qg2 27.Qb1 Qc4 Stockfish12-R 27...Be7?! (-0.82 ? 0.00) Inaccuracy. Rd7 was best. 27...Rd7 28.Qc2
(lichess- 28...c5 Bl is winning- Stockfish12-R 27...b4! 28.cxb4 c5-+
Stockfish12-R 28.Be3 28.Rhg1 Bc5 28...Bxa3 draws again 29.Bh6 Qf7 -R 28.Bh6 Qf7 29.Be3 29.Bg5 Qa2 invites repetition 29.Bd2 Nh5 Wh's N is hanging 30.Qg4 Bxh4 31.Qxh4 Qxf3-+ 31...Qa2 32.Kc2 Rd6-+ 29...b4-+ Stockfish12 30.cxb4 30.Rdg1 g5 31.Qxg5 Nd5 32.Qg6+ Qxg6 33.Nxg6 Nxe3 34.Nxf8+ Rxf8 35.cxb4 Rxf3-+ 30...Nh5 31.Qg4 Bxh4 32.Qxh4 Qxf3-+ Stockfish12 33.Bc5 Rxd1+ 34.Rxd1 Rf4 35.Qd8 Rxe4 and Wh's K is
far less safe than Bl's- R 28...Bxa3 28...g5 29.Bxg5 b4 30.cxb4 c5 31.Bh6 Rxd1+ 32.Rxd1 Qf7 33.Qxg7+ Qxg7 34.Bxg7 Kxg7 35.Nf5+ Kf7 36.Nxe7 Kxe7 37.bxc5= Stockfish12-R 29.bxa3 Wh has to go for the draw-
alternatives lose -R Qa1+ 29...Qxa3+ 30.Qb2 as envisaged would have held
against the sacrifice 30.Kc2 Qa2+ 31.Kc1 Qa1+ 32.Kc2 Qa2+ 33.Kc1
Normal The game is a draw. ½–½
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| White | EloW | Black | EloB | Res |
|---|---|---|---|---|
| Van Kemenade,R | 1500 | Hardman,D | 1937 | ½–½ |
| Judge,K | 1217 | Holman,S | 1386 | 0–1 |
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