Chess doesn't drive people mad, it keeps mad people sane.
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[Event "rated untimed match"] [Site "?"] [Date "1908.??.??"] [Round "?"] [White "Leonhardt"] [Black "Englund"] [Result "0-1"] [Annotator "David Hayes"] [BlackElo "0"] [FEN "1r1k3r/pbp2pp1/6p1/8/2Bp4/P1nP4/P4PPP/R1B2RK1 b - - 0 1"] [SetUp "1"] [TimeControl "0"] [WhiteElo "0"] 1... Ne2+ 2. Kh1 Kd7 3. f3 Rxh2+ 4. Kxh2 Rh8+ 5. Bh6 Rxh6# 0-1