No Chess Grandmaster is normal; they only differ in the extent of their madness.
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[Event "rated untimed match"] [Site "?"] [Date "1950.??.??"] [Round "?"] [White "Loman"] [Black "Teschner"] [Result "0-1"] [Annotator "David Hayes"] [BlackElo "0"] [FEN "r1b1q1kr/ppNnb1pp/5n2/8/3P4/8/PPP2PPP/R1BQKB1R b KQ - 0 1"] [SetUp "1"] [TimeControl "0"] [WhiteElo "0"] 1... Bb4# 0-1