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 "Andor Lilienthal"]
[Black "Gyorgy Negyesy"]
[Result "1-0"]
[BlackElo "0"]
[FEN "3q3k/pR1P1ppp/4p3/4Pn2/2r1N3/P7/5PPP/3R2K1 w - - 0 1"]
[SetUp "1"]
[TimeControl "0"]
[WhiteElo "0"]
{ Pawn power! } 1. Rb8 Qxb8 2. d8=Q+ Qxd8 3. Rxd8# 1-0