Chess is thirty to forty percent psychology. You don't have this when you play a computer. I can't confuse it.
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[Event "rated untimed match"] [Site "Sarajevo"] [Date "1971.??.??"] [Round "?"] [White "Rogoff"] [Black "Bertok"] [Result "1-0"] [Annotator "David Hayes"] [BlackElo "0"] [FEN "r1b1kb1r/p2n1ppp/2ppp3/6B1/2B1P3/q1N2Q2/P1P2PPP/RR4K1 w - - 0 1"] [SetUp "1"] [TimeControl "0"] [WhiteElo "0"] 1. Nd5 Qxf3 2. Nc7# 1-0