Victory goes to the player who makes the next-to-last mistake.
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[Event "rated untimed match"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Unknown"] [Black "Unknown020"] [Result "1-0"] [Annotator "David Hayes"] [BlackElo "0"] [FEN "8/8/6R1/PpK5/1P3r2/5kp1/8/8 w - - 0 1"] [SetUp "1"] [TimeControl "0"] [WhiteElo "0"] 1. a6 Rg4 2. a7 Rxg6 3. a8=Q+ Kf2 4. Qa2+ Ke3 5. Qb3+ Kf4 6. Qf7+ Kg5 7. Qf3 Kh6 8. Qh1+ Kg7 9. Kxb5 g2 10. Qg1 { White wins with a large material advantage. } 1-0