No Chess Grandmaster is normal; they only differ in the extent of their madness.
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[Event "rated untimed match"]
[Site "?"]
[Date "1929.??.??"]
[Round "?"]
[White "Anon"]
[Black "Stoner"]
[Result "0-1"]
[Annotator "David Hayes"]
[BlackElo "0"]
[FEN "r3q2r/2p1k1p1/p5p1/1p2Nb2/1P2nB2/P7/2PNQbPP/R2R3K b - - 0 1"]
[SetUp "1"]
[TimeControl "0"]
[WhiteElo "0"]
1... Rxh2+ 2. Bxh2 ( { White dare not try: } 2. Kxh2 Qh8+ 3. Bh6 Qxh6+ 4. Qh5 Qxh5# ) 2... Ng3+ ( { Black must keep the h-file open. Otherwise... } 2... Qh8 3. Nef3 Qh6 4. Nxe4 Qe3 5. Qxf2 Qxf2 6. Nxf2 { White wins with a large material
advantage. } ) 3. Bxg3 Qh8+ 4. Bh2 Qxh2+ 5. Kxh2 Rh8+ 0-1