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 "Unknown076"]
[Result "0-1"]
[Annotator "David Hayes"]
[BlackElo "0"]
[FEN "8/8/8/1p1k4/3B4/1P2K3/8/4b3 b - - 0 1"]
[SetUp "1"]
[TimeControl "0"]
[WhiteElo "0"]
1... Bf2+ 2. Kxf2 Kxd4 3. Ke2 Kc3 4. b4 Kxb4 5. Kd2 Kb3 6. Kc1 Ka2 7. Kc2 b4 8. Kc1 b3 9. Kd2 b2 10. Kc3 b1=Q { Black wins with a large material
advantage. } 0-1