Sunday, 19 March 2017

Across a Crowded Room

Aberystwyth's B team had a good evening on Tuesday 7 March, while the A team were losing narrowly to Cardigan in the cosy space of the small function room at the Brynamlwg Tavern. Julie van Kemenade, continuing her return to chess, played a typically enterprising piece sacrifice with Black against Iwan Griffiths to get a dangerous attack which he was unable to defend. James Corrigan dominated the centre against Owen Llywelyn's King's Indian, and the Black counterplay on the queenside was not enough compensation. Ian Finlay, playing another King's Indian, missed a chance to go a piece up, but Tegwyn Jones lost on time. On fourth board, Sam Holman did win a piece, and by the time Emyr Llywelyn had regained it, White's attack was unstoppable. A clean sweep for the B team, 4-0.

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1.e4 d6 2.d4 Nf6 3.Nc3 c6 4.Nf3 Qc7 5.h3 e5 6.Bg5 Nbd7 7.Be2 Be7 8.Qd2 leaving castles options open h6 8...0-0 9.g4 Re8 10.Bxf6 Bxf6 11.g5 Be7 12.d5 Nf8 13.0-0-0 Ng6 Suliborski-Kubien, Wroclaw op 2011,0-1 8...b5 9.a3 a6 10.0-0 0-0 Bhawoodien-Solomons, RSA ch Cape Town 2014,1/2-1/2 9.Bh4 Nf8 10.Bxf6 Bxf6 11.d5 c5 11...Ng6 12.Nb5 12.Bb5+ Ke7= 12...Qd8 13.c4 the pawn structure makes it a Czech Benoni( usually reached in the first4 moves) Ng6 14.g3 a6 15.Nc3 Bd7 16.Kf1 keeping the R guarding h3 0-0 17.Kg2 Be7= 18.Nh2 angling for f4 Bg5 19.Qd1 f5 20.exf5 Bxf5 21.Bg4 Qf6 Komodo10 22.Rf1 22.h4 Bxh4 23.gxh4 Nxh4+ 24.Kg3 e4-+ Komodo10 22...Ne7 22...Rae8 Komodo10 23.Qe2 23.Bxf5 Qxf5 24.Qg4 Rudy e4 25.Qxf5 Rxf5 26.Rae1 Bd2 27.Rxe4 Rfe5 28.Nf3 Rxe4 29.Nxe4 Rxe4 30.Nxd2 Rd4 31.Nb3 Rxc4 32.Na5 Rd4 33.Nxb7 Rxd5 34.Re1 Rd2= 23...e4 24.Rae1 23.h4 Wh gets tempted the second time round; however Bl gets chances & the Wh defence has to be accurate Bxh4 24.gxh4 Qxh4 25.Bxf5 brings another Bl piece into play 25.Kh1 Ng6 25...Bg6 26.f3 Nf5 27.Bxf5 Rxf5 28.Qe1 Rh5 29.Qxh4 Rxh4 30.Rg1 Bd3 31.b3 Rf8 32.Rg3 b5 25...Rab8 26.Qf3 b5 27.cxb5 axb5 28.Ne4 Bxe4 29.Qxe4 Rf4 30.Be6+ Kh8 31.Qg2 Rbf8= Komodo10 26.Rg1 Nf4 27.Bxf5 Rxf5 28.Qg4 Qxg4 29.Rxg4 Nd3 30.Ne4 Nxf2+ 31.Nxf2 Rxf2 32.Rg6 Rd8 33.Rag1 Rf7 34.Rxh6± Komodo10 25...Rxf5 26.f4 26.Ne2 Rh5-+ 27.Rh1 Qh3+ 28.Kg1 Rg5+ 29.Ng3 Rxg3+ 30.fxg3 Qxg3+ 31.Kf1 Rf8+ 26.f3 Raf8 27.Qe1 Qxc4 28.Kh1 Rh5 29.Qe4 Rf4 30.Qxc4 Rxc4 31.Kg1 Rd4 Bl is getting too many pawns for the piece 26...exf4-+ 26...Rh5!-+ Komodo10 27.Rh1 27.Ng4 Ng6 28.Kf3 Rf8 29.Ke3 Rxf4 30.Rxf4 exf4+ 31.Kd2 Rg5-+ Komodo10; the N has no retreat 27.Nf3 Qxf4! 27...Qg4+ also wins 28.Kf2 Rh3 29.Qe2 Qg3+ 30.Ke3 Qxf4+ 31.Kd3 Rf8-+ 28.Ne2 Qg4+ 29.Kf2 Rf8-+ 27...exf4 28.Qf3 Rg5+ 29.Kf1 Nf5 30.Ne4 Ne3+ 31.Ke2 Rg2+ 32.Kd3 Rxh2-+ Komodo10 27.Qf3 27.Nf3 Qg3+ 28.Kh1 Rh5+ 29.Nh2 Rxh2# 27.Ne4 f3+ 28.Rxf3 Qxe4-+ 27.Qe1 Qg5+ 28.Kh1 Re5 29.Qf2 Nf5-+ all Komodo10 27...Rg5+ 28.Kh1 Nf5 29.Ne4 29.Qxf4 Ng3+ drops the Q 29...Ng3+ 30.Nxg3 fxg3 Bl gets the piece back with interest 30...fxg3 31.Qg2 31.Qe2 g2+ 32.Qxg2 32.Kg1 gxf1Q+ 33.Kxf1 Rf8+ 34.Nf3 Qh1+ 35.Kf2 Rg2+ 36.Ke3 Rxe2+ 37.Kxe2 Qg2+ 38.Kd1 Rxf3 39.Rc1 Rf1# 32...Rxg2 33.Kxg2 Qxc4-+ Komodo10 31...gxh2 32.Qe2 32.Qxh2 Qe4+ mates 32...Rg1+ 33.Rxg1 hxg1Q+ 34.Kxg1 Rf8 35.Rf1 35.Qg2 Rf4 35...Qd4+ 36.Kh1 Rf4 both win the Q for R 35...Qg3+ 36.Qg2 Qxg2+ 37.Kxg2 Rxf1 38.Kxf1 Kf7 Komodo10; and the endgame is easy 0–1
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WhiteEloWBlackEloBRes
Griffiths,I1609Van Kemenade,J17430–1
Corrigan,J1449Llywelyn,O15131–0
Jones,T1197Finlay,I13720–1
Holman,S1334Llywelyn,E9431–0
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