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 "Unknown64"]
[Result "1-0"]
[Annotator "David Hayes"]
[BlackElo "0"]
[FEN "2r1brk1/pp2b2p/4p1p1/3pP3/1P1q1Pn1/P1NB4/1BQ3PP/3R1R1K w - - 0 1"]
[SetUp "1"]
[TimeControl "0"]
[WhiteElo "0"]
1. Bf5 ( { White can try: } 1. Be2 Nf2+ 2. Rxf2 ( { White can try: } 2. Kg1 Nh3+ 3. Kh1 Qg1+ 4. Rxg1 Nf2# ) 2... Qxf2 { Black wins with a large material advantage. } ) 1... Qb6 2. Bxg4 { White wins with a large material advantage. } 1-0