80th Tata Steel Chess Tournament - Round 6 Games

Wei, Yi-So, WesleyAdhiban, B..-Mamedyarov, ShakhriyarKramnik, Vladimir-Jones, Gawain C BSvidler, Peter-Carlsen, MagnusCaruana, Fabiano-Matlakov, MaximHou, Yifan-Karjakin, SergeyGiri, Anish-Anand, Viswanathan

ChessBase

Wei, Yi2743–So, Wesley27920–1A0680th Tata Steel Masters 20186Wijk aan Zee19.01.2018ChessBase

1.f3 d5 2.e3 f6 3.c4 e6 4.c3 dxc4 4...a6 5.b3 d6 6.b2 0-0 7.g4 xg4 8.g1 f5 9.cxd5 e5 10.h3 f6 11.g5 e7 12.f3 1-0 (37) Nepomniachtchi,I (2729)-Anand,V (2782) London 2017 5.xc4 a6 LiveBook: 12 Games 6.b3 A17: English Opening: 1...Nf6 with ...Bb4 c5 7.b2 c6 8.c2N The position is equal. Find the theoretical novelty and annotate with similar games: 8.0-0 e7 9.d4 cxd4 10.xd4 xd4 11.exd4 b5 0-1 (42) Scherer,F (2155)-Wiley,T (2292) Neustadt an der Weinstrasse 2012 8...e7 9.a3 b6 10.g4 h6 11.g1 b5 12.e2! b7 13.g5 13.h4= 13...hxg5 14.xg5 h6 14...xh2?! 15.xf7! xf7 16.g6+ f8 17.e4= 15.ce4 xe4 15...a5 16.xe4= g6 17.xc5 xc5 18.xc5 xh2 19.a4 h4 Black should play 19...c8 20.g7 20.axb5 h4 20...e7 20.f1!± c8

20...e7± was necessary. 21.xe7+ xe7 21.b6!+- d8 next ...Bg2 is good for Black. 22.axb5 g2 23.a4 h3 24.a3 24.xa6 xf1 25.xf1

f5‼-+ Better is 24.bxa6+- xf1 25.b5+ 25.xf1 h1+- 25...f8 26.xf1 24...h1± Avoid the trap 24...xf1? 25.d6+- 25.bxa6 h8? 25...xf1± 26.b5+ c6 27.xf1 c7 26.d4? 26.b5++- c6 27.d4 27.xh1 xh1+ 28.f1 b8± 27...xf1 28.xf1 26...xf1 Black has some attack. 27.b5+ 27.xf1= keeps the balance. c6 28.c5 28.b7? xf1+ 29.e2 e1+ 30.xe1 h1+ 31.e2 xd4+ 32.d3 xb7-+ 28...xf1+ 29.xf1 h1+ 30.e2 h5+ 31.f3 xd4+ 32.xd4 b5+ 33.f2 xa6 34.b4 27...c6 28.xf1 xf1+ 29.xf1 29.xf1 is the only way for White. xd4 30.exd4 xd4 31.b5+ d8 32.a5+ d7 33.b5+ c6 34.b7+ c7 35.b5+ c6 36.b7+ c7 37.b5+ d8 38.e2 29...h1+-+ 30.e2 Hoping for Ra4. h5+ 31.xh5 xd4+ 32.exd4 Qb5+ would kill now. gxh5 Endgame KR-KB 33.b4 Threatens to win with b5. b8 34.f3 d7 35.g3 c6 36.b5+ 36.a7 g8+ 37.h4 36...xb5 Strongly threatening ...Rb3+. 37.c5 b2 38.a7 b7 39.d5? 39.d3 39...exd5 Black is clearly winning. 40.e3 b4 41.d4 41.f3 d4 42.g5 41...b1 Precision: White = 51%, Black = 58%. 0–1

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