Same remisy w czwartej rundzie Tata Steel 2021

Mimo samych remisów ciekawie było dziś w Holandii. Również w partiach Polaków, tak Radka jak i Janka były szanse na coś więcej niż remis.

Przebieg obu partii:

ChessBase

Donchenko, Alexander2668–Wojtaszek, Radoslaw2705½–½B9083rd Tata Steel Masters 20214.6Wijk aan Zee19.01.2021TA

[%evp 12,99,15,4,20,23,31,22,30,29,35,29,29,14,20,5,32,17,40,12,22,20,14,22,9, 8,51,26,27,0,4,0,18,0,0,0,0,0,0,2,2,0,9,9,9,9,81,81,88,0,52,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0] 1.e4 c5 2.f3 d6 3.d4 cxd4 4.xd4 f6 5.c3 a6 6.h3 e5 7.de2 h5 B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5. 8.g3 e7 9.g2 b5 10.d5 xd5 11.xd5 a7 12.e3 b7

13.g4N Predecessor: 13.a3 c7 14.d2 d7 15.c3 f6 16.g5 e6 17.f4 g8 18.h4 f6 19.f5 fxg5 20.fxe6 1/2-1/2 (41) Alekseenko,K (2668)-Sarana,A (2655) Izhevsk 2019 13...h4 14.f4 d7 15.f5 b6 16.c6+ d7 17.xd7+ xd7 18.b3 g5 19.0-0-0 f6 20.d2 c6 21.b4 d7 22.c3 f7 23.d2 a8

Hoping for ...a5. 24.hd1 a5 25.xd6 b4 26.xe7 xd2 27.xd2 xe7 28.d1 d8 28...c8= remains equal. 29.xd8± xd8 Endgame

KBN-KBN 30.f2 30.e3!± 30...e7 Better is 30...c8= 31.b2 31.c3 31...d6= The position is equal. 32.a3 bxa3+ 33.xa3 c5 34.c3! b5 35.d1 e2 36.e3 d3 37.b2 a4! 38.a3 axb3 39.xb3 c4 40.xc4 xc4+ KB-KB 41.c2 b5 42.d2! a4 43.f3 b3 White must now prevent ...Bf1. 43...f1!? 44.d1+ b2 Threatening ...Bf1. 44...a3!? 45.c2 a3 Threatens to win with ...Bf1. 45...f1 46.d3+- 46.d3 a2 47.b5 b1 48.d3 a2 49.b5 b1 50.d3 Weighted Error Value: White=0.07/Black=0.09 ½–½

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ChessBase

Duda, Jan-Krzysztof2743–Giri, Anish2764½–½D8783rd Tata Steel Masters 20214.3Wijk aan Zee19.01.2021TA

[%evp 19,77,22,13,27,24,8,15,7,46,22,22,8,8,10,14,8,5,0,1,0,4,13,10,12,16,13, 11,0,36,29,33,32,25,20,43,27,31,21,21,22,23,23,26,21,46,42,50,47,46,21,21,8,13, 18,41,21,30,21,21,21] 1.d4 f6 2.c4 g6 3.c3 d5 4.cxd5 xd5 5.e4 xc3 6.bxc3 g7 7.c4 c5 8.e2 0-0 9.0-0 c6 10.e3 b6 is now debated instead of 10...Qc7. 11.dxc5 D87: Exchange Grünfeld: Classical Line: Variations without ...cxd4. c7 12.d4 Black must now prevent Nxc6. e5

13.b5! b8 14.e2 bxc5 15.xc5 a6 16.a3 c7 17.d4 d8 18.c1 g4 19.xg4 xg4 20.e3

ac8N Predecessor: 20...ab8 21.xg7 xg7 22.c2 bc8 23.g5 e2 24.fe1 h6 25.c1 d3 26.b4 xc3 27.xc3+ xc3 28.xd3 cxd3 1/2-1/2 (66) Bacrot,E (2714)-Vachier Lagrave,M (2719) Biel 2013 21.e5 c6 22.c2 f5 23.b4 e4 24.xe4 xe4 25.fe1 b7 26.ab1 e6 27.d3 d5 28.c5 f8 29.xa6 xa2 30.b6 c4 31.h3 31.b4 with more complications. h5 32.a1 b8 33.xb8 xb8 34.c6 31...xa6 32.xa6 c5 33.a4 xd4 34.cxd4 KRR-KRR c2 35.g3 d2 36.e4 d7 37.g2 g7 38.h4 h6 39.f3 Weighted Error Value: White=0.04/Black=0.04 ½–½

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