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 "Unknown075"]
[Result "0-1"]
[Annotator "David Hayes"]
[BlackElo "0"]
[FEN "8/8/4np2/1p2p2p/4P2P/1kPK1P2/6N1/8 b - - 0 1"]
[SetUp "1"]
[TimeControl "0"]
[WhiteElo "0"]
1... Nf4+ 2. Nxf4 exf4 3. Kd4 Kc2 4. Kc5 Kxc3 5. Kxb5 Kd4 6. Kb4 Ke3 7. Kc3 Kxf3 8. Kd4 Kg2 9. Kd5 f3 10. Ke6 f2 11. Kxf6 f1=Q+ { Black wins with a large
material advantage. } 0-1