No Chess Grandmaster is normal; they only differ in the extent of their madness.
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[Event "rated untimed match"]
[Site "Lucttich"]
[Date "1934.??.??"]
[Round "?"]
[White "Feuer"]
[Black "O'Kelly"]
[Result "1-0"]
[BlackElo "0"]
[FEN "2bk1b1r/2p1n1p1/p1p2p2/4p2p/4P2P/P1N1BN2/1rP2PP1/R3K2R w KQ - 0 1"]
[SetUp "1"]
[TimeControl "0"]
[WhiteElo "0"]
{ Win material. } 1. O-O-O+ Bd7 2. Kxb2 { White wins with a large material
advantage. } 1-0