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by murat131
1858 days ago
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Correct. Rybka believes it has the piece superiority and doesn't consider sacrificing a pawn to be an issue but the only pawn that it can sacrifice opens up that side of the board for black. Nakamura explains a little before the sacrifice that if they exchanged queens it'd be almost certain that Rybka would have to sacrifice that pawn to avoid draw. |
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