Friday, 28 February 2020

Tied Up

Aberystwyth's defeat to Cardigan B in January was only our first of the season. What has really been plaguing the club is draws, and the match against Steynton A at the Emlyn Cafe, Tanygroes on Monday 24th January was yet another. On top board, Rudy van Kemenade caught David Pinch by surprise with a sharp line of the Budapest and had a won position within a few moves. By the end of the game he was six pawns up! Julie van Kemenade got a favourable knight versus bad bishop ending against Mark Pafford, but there was no clear win, and she agreed a draw. I played cagily against Scott Hammett's Stonewall System, having lost a horrible game against it last time we played, and we soon exchanged off to reach a dead drawn position. Tom Gunn didn't get his usual kingside attack from his Colle System, and his advance on the queenside didn't have a clear target. Instead, it was John Miller who attacked on the kingside and overwhelmed the White king. The result was our fourth 2-2 draw of the season.

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1.d4 Nf6 2.c4 e5 3.dxe5 Ng4 4.e4 4.Nf3 Bc5 5.e3 Nc6 6.Be2 0-0 7.0-0 Re8 8.b3 Ncxe5 9.Nbd2 Qf6 10.Nd4 Qg6 Pinch- Van Kemenade, Welsh Seniors 2019, 0-1 4...h5 Known as thev Reti, in 1998 Bogdan Lalic view on this move was that "Fortunately there are no more obscure experiments to report at this stage!" In 2009 Timothy Taylor awards it an exclamation mark ! 5.Nf3 5.Be2 Bc5 5...Nc6 is better 6.Bxg4 Qh4? 7.g3 7.Be2! Qxf2+ 8.Kd2 Nc6 9.Kc3+- Partos-Ungureanu, ROM ch Bucharest 1965,1-0 7...Qxg4 8.f3 Qe6 9.Qd5 Qb6 10.Ne2 Nc6 11.Nbc3 Bf2+ 12.Kf1 d6 13.Na4 Bh3# Nautsch (2243)-Van Kemenade, EU Seniors teams 2011,0-1 5...Bc5 6.Nd4 6.Bg5 Bxf2+ 7.Ke2 f6! 8.exf6 0-2 6...Nc6 6...Nxf2 is OK for Bl, though the Engines rate the text move as best 7.Kxf2 Qh4+ 8.Ke2 8.g3 Qxe4 Zoabi-Van Kemenade, Arena 2016,0-1 8.Kg1 Nc6 sayros87-Arthrudd9, Arena 2015,0-1 8.Kf3 Qg4+ shinichikudo-hearthstones9, chesscube 2009,0-1 8...Qxe4+ Arena-Van Kemenade, Arena 2016,0-1 8...Nc6! 7.Be3 7.h3? Nxf2-+ Gold Dragon-Hearthstones9, Playchess,com 2014, 0-1 7.Nxc6 Bxf2+ 7...bxc6 8.Be3 Nxe3 9.fxe3 Rb8! Stockfish11 10.Qc1 Qh4+ 11.Kd1 Qxe4 8.Ke2 bxc6 9.h3 d5 10.Nc3 Bg3 11.Qd3 Qh4 12.Bg5 Qxg5 13.Qxg3 Rb8 14.b3 h4 15.Qd3 dxc4-+ Stockfish11 16.Qxc4 Ba6-+ 7...Nxe3 7...Ncxe5-+ 8.Be2 d6 9.Nc3 Qh4 10.g3 Qh3 11.Bf1 Nxf2? 11...Nxe3-+ 12.Bxf2 Qg4 13.Qxg4 Bxg4 14.Be2+- jr_delmont-immortalito, chesscube 2014,1-0 8.fxe3 Qh4+ 8...Nxd4 9.exd4 Qh4+ 10.Kd2 10.Ke2 d5! 10...Bxd4-+ alternative, Stockfish11 9.g3 Qxe4 10.Qf3 Qxf3 10...Qxe5! Stockfish11- considered 11.Nxc6 11.Qe2 11.Kd2 given as better by Stockfish! 11...dxc6 12.Nc3 Bf5 13.Qf4 Qxf4 13...Qxe3+ also looks more natural 14.exf4 h4 15.gxh4 0-0-0-+ Stockfish11 11.Nxf3 Bxe3-+ 11...b6-+ 11...d6-+ also -Stockfish11 12.Nc3 Nb4 12...Nd4 considered, but missed a continuation 13.Nxd4 13.Bg2 Nxf3+ 14.Bxf3 Bd4 15.0-0-0 Bxe5 16.Rhe1 f6-+ 16...d6 17.Nb5 13...Bxd4 14.0-0-0 Bxe5 Bl was concerned about 15.Re1 but d6 Wh has no pawn to win the B with 16.Nd5 Kd8-+ 12...0-0 13.Nd5 Bb6 14.0-0-0 Re8 14...d6 15.Bh3 Nxe5 16.Rhe1 d6 17.Bxc8 Raxc8 18.Nxe5 Rxe5? 18...dxe5-+ 19.Rxe5 dxe5 20.Ne7+ Kf8 21.Nxc8 AASKYN-Hearthstones9,Playchess.com 2013,1-0 13.Rd1 13.Nd5 Nxd5 14.cxd5 and Wh's centre pawns are vulnerable 0-0 15.Bc4 d6 16.Ke2 Bc5 17.e6 Re8 18.Ng5 fxe6 19.dxe6 c6 13...c6 13...d6 simpler 14.exd6 14.a3 Nc2+ 15.Ke2 Bg4 16.Nd5 Bb6 14...Bg4 15.Ke2 Bc5 16.d7+ 16.dxc7 0-0 17.Bg2 Rfe8+ 18.Kf1 Rac8-+ 16...Bxd7 17.a3 Nc6 18.b4 Be7 19.Nd5 0-0-0 20.Nxe7+ Nxe7 21.Kf2 Bg4 Stockfish11 13...0-0 14.Nd5 14.a3 14.Ke2! Bh6 15.a3 Nc2 15...Na6 16.Ne4 0-0 17.Nd6 Nc7 18.Kf2= 16.Ne4 d5 17.Nd6+ Ke7 18.cxd5 18.Nxc8+ Raxc8 18...cxd5 19.Rxd5 Rd8 20.Rc5 Ne3 21.Rc3 Ng4 22.Rc7+ Bd7 23.Bg2= Stockfish11 14...Nc2+ judging that the N will come to no harm 15.Ke2 Bh6 15...d5! 16.cxd5 0-0 Stockfish11 is a more accurate sequence 17.d6 Be6 18.Rd3 Bh6 18...Bc4 19.Nd1= 19.Na4 Bg4 20.Kf2 Bxf3 21.Rxf3 Rae8 16.Rd3 after the N, but 16.Ne4 d5 17.Nd6+ Ke7 18.cxd5 Bg4 19.h3= Stockfish11 16...d5! Bl must activate the QB 17.exd6 17.cxd5 Bf5 18.d6 0-0-0-+ 17...Bf5 17...Bg4 is perhaps stronger 18.c5 0-0-0-+ 19.Kf2 Bf5-+ 18.d7+ 18.Nh4 may be best Be6 19.Kf2 0-0-0 20.Be2 g5 21.Ng2 Bg7-+ Stockfish11 18...Bxd7 18...Ke7 19.Kf2 Rad8 is preferred by Stockfish11- considered, but Bl wanted to use the e file 19.Ne5 19.Ne4 0-0-0 20.Nd6+ Kc7 21.Nxf7 Rde8+ 21...Rhe8+ 22.Kf2 Be3+ 23.Kg2 23.Rxe3 Nxe3 24.Nxd8 Nd1+ 25.Kg2 Kxd8 26.Bd3 Nxb2-+ 23...g5 24.Nxd8 Bf5-+ Stockfish11 22.Kf2 Be3+ 23.Rxe3 Nxe3 24.Nxh8 Nd1+ 25.Kg2 Rxh8 26.Be2 Nxb2-+ Stockfish11 19...Bf5 20.Rd1 20.c5 0-0 21.Nc4 Rfe8+ 22.Kf2 Bxd3 23.Bxd3 given by Stockfish11 as Wh's best attempt 20...0-0-+ 2 rampaging Bs, a weak enemy K, better development & a pawn up. 21.Kf2 Rfe8 22.Nf3 Be3+ 23.Kg2 Bb6 24.h3 best Ne3+ 25.Kh2 Nxd1 26.Nxd1 Rad8 27.Nc3 Re3 28.Bg2 Be6 28...Bc7 28...Rdd3 29.Rc1 Rdd3 30.Rf1 30.Na4 Bc7 31.Nc5 Rxf3 32.Bxf3 Rxf3-+ Stockfish11 30...Bxc4 31.Rf2 Rxc3 trading in the exchange for extra pawns 31...Bc7 targets g3, which Bl had been looking at 32.bxc3 Rxc3 33.Rd2 Rxa3 34.Ne5 34.Rd7 Bd5 35.Ne1 Bxg2 36.Kxg2 36.Nxg2 Bf2 37.Rxb7 Bxg3+ 38.Kg1 Ra1+ 39.Ne1 Bxe1 36...Ra2+ 37.Kf3 37.Kh1 Ra1 38.Re7 Bf2 37...Rf2+ 38.Ke4 Re2+ picks the N up anyway 34...Be6 35.Nd7 Bc7 36.Nc5 Bxg3+ 37.Kg1 Ra1+ 38.Bf1 Bxh3 and Bl is 6 pawns up 0–1
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WhiteEloWBlackEloBRes
Pinch,D1791Van Kemenade,R19430–1
Van Kemenade,J1691Paffard,M1603½–½
Hammett,S1689Francis,M1602½–½
Gunn,T1422Miller,J14990–1
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