No Chess Grandmaster is normal; they only differ in the extent of their madness.
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[Event "rated untimed match"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Unknown"] [Black "Unknown027"] [Result "0-1"] [Annotator "David Hayes"] [BlackElo "0"] [FEN "5rk1/1p4pp/4R3/rp6/8/7P/1PP3P1/1K4R1 b - - 0 1"] [SetUp "1"] [TimeControl "0"] [WhiteElo "0"] 1... Rfa8 2. b3 Ra1+ 3. Kb2 Rxg1 { Black wins with a large material advantage. } 0-1