Saturday, 21 November 2020

Counter and Counter-Counter

Following our brave but ultimately unsuccessful struggle against Cardigan in our first match in the new Dyfed Online League, Aberystwyth were looking for our first win against Steynton B on Tuesday 17th November. Adam Watkin-Jones played actively against Paul Orton on the Black side of a Ruy Lopez, and won material, but then White counterattacked and had chances of his own, as both players overlooked the capture of a rook, after which a counter-counter-attack ended things quickly: one of those games, perhaps, where the lower-rated player didn't really expect to win, and lost out as a result. I developed quietly against Jonathan Jones's Scandinavian and had a comfortable position when he tried a speculative pawn sacrifice. There was nothing there for Black in view of White's central control and good development, and he threw away too much material in an attempt to create tactical possibilities. Tom Gunn dominated the board when Keith Briggs played passively in a London system. White's attempt to find kingside counterplay led to nothing, and the capture of his problem bishop ended the game. Sam Holman, playing White in a Ruy Lopez, won the exchange against Gwyn Jones and was better for most of the game, but it's often difficult finishing in such circumstances, and Black belatedly got his two knights working together for a tactical coup. A 3-1 win for Aber, but with some adventures along the way.

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1.e4 e5 1...c5 usual Bl response 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.0-0 Bc5 as played by Alehine 5...Nxe4 6.d4 b5 7.Bb3 d5 8.dxe5 Be6 9.c3 Be7 10.Be3 Orton-Trombley, Dyfed Congress 2008,1/2-1/2 5...d6 6.Re1 Be7 7.h3 0-0 8.c3 b5 9.Bc2 Bb7 10.d4 Orton-Geraghty, Dyfed Closed 2007,1-0 6.c3 b5 7.Bb3 d6 8.d4 Bb6 9.h3 9.a4 main; a useful move for Wh, probes b5 9...0-0 10.Re1 h6 11.Be3 Na5 11...Bb7 main, the position has transposed to an Archangesk variation 12.Bc2 exd4 12...Nc4 13.Bc1 exd4 14.cxd4 Bb7 15.b3 3-0 13.cxd4 Bb7 3 Wh wins, 1 draw 14.Nbd2 d5N 14...Re8 transposes to 31 games, including ones at elite GM level; 58% for Wh 15.e5 Ne4 16.Nxe4 16.Bf4± Stockfish12 16...dxe4 17.Nd2 Bxd4 18.Bxd4 Qxd4 19.Bxe4 19.Nxe4 Qxe5 20.b4= Stockfish12 19...Bxe4 19...Rfd8 improving piece activity 20.Rxe4 20.Nxe4 Qxe5 21.Qc2= Wh has Q side pressure to compensate for the pawn 20...Qxb2 21.Qe1 Rad8 22.Re2 Qd4 22...Qb4-+ Stockfish12 23.Nf3 Qa4 24.e6 fxe6 25.Rxe6= Wh has better co-ordinated pieces now than Bl Nb7 25...Nc4 26.Re7 Nd6 27.Qe6+ Kh7 28.Rxc7= Rf6? 28...Qf4= 29.Qe7 29.Qxf6+- 29...Rg8 29...Nf7 30.Re1 30.Qxf6+- 30...Qf4 30...Rg6= 31.Rc6 31.Qe2= 31...Re8-+ now it's Wh's backrank that is the problem 32.Qd7 32.Qa7 Rg6-+ the Wh Q is offside 32...Rxe1+ 33.Nxe1 Qxf2+ 34.Kh2 Qxe1 0–1
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WhiteEloWBlackEloBRes
Orton,P1612Watkin-Jones,A19180–1
Francis,M1648Jones,J15471–0
Briggs,K1350Gunn,T13980–1
Holman,S1386Evans,G11920–1

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