White sacrifices the exchange for some positional compensation, although the sacrifice is not entirely sound | -0.50
He gets the bishop pair and causes structural damage in the black camp.
Usable compensation | Nice position for engine testing.
[d]rn1r2k1/pp2bppp/2p1bn2/8/2PP4/2NB1N2/PP1B2PP/4RRK1 w - - 0 15
[d]rn1r2k1/pp2b1pp/2p1pn2/8/2PP4/2NB1N2/PP1B2PP/4R1K1 b - - 0 16
[pgn][Event "Taiyuan Tournament"]
[Site "Taiyuan CHN"]
[Date "2007.07.04"]
[Round "1"]
[White "Vadim Zvjaginsev"]
[Black "Wang Hao"]
[Result "*"]
[ECO "C36"]
[WhiteElo "2658"]
[BlackElo "2624"]
[SetUp "1"]
[FEN "rnbr2k1/pp2bppp/2p2n2/8/2PP4/2NB1N2/PP1B2PP/4RRK1 b - - 0 14"]
[PlyCount "4"]
[EventDate "2007.07.04"]
14... Be6 15. Rxe6 (15. Ne2 Nbd7 16. Nf4 Nf8 17. Bc3 Bd6 18. Nxe6 Nxe6 19. Bf5
Nc7 20. Ba5 Nfe8 21. Ng5 g6 22. Bh3 b6 23. Bc3 f6 24. Ne6 Nxe6 25. Bxe6+ Kg7
26. g4 h6 27. Kg2 a5 28. d5 c5 29. h4 g5 30. hxg5 hxg5 31. Bf5 Nc7 32. Bc2 Rf8
33. Rf5 Rae8 34. Rxg5+ Kf7 35. Bg6+ Kg8 36. Bxf6) 15... fxe6 16. Re1 *[/pgn]
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Black has a pawn and the bishop pair for the exchange, is it enough compensation for a draw?
[d]r7/2p1kppp/p7/1p2bb2/8/N1P3P1/PP1R3P/R4K2 b - - 0 23
[d]4r1r1/pppk2pp/4n3/8/1B2R3/3P3B/PPP2P1P/2K5 b - - 0 23«Adding the better cooperation of the rook with the bishops, many soviet theoreticians believed that, in active positions rook and two bishops outperform two rooks and a knight»