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 "Unknown19"]
[Result "1-0"]
[Annotator "David Hayes"]
[BlackElo "0"]
[FEN "4k3/p1p2p1R/5p2/1p5P/6P1/8/r4P2/5K2 b - - 0 1"]
[SetUp "1"]
[TimeControl "0"]
[WhiteElo "0"]
1... Kf8 { The king must stop the advancing h-pawn. } 2. h6 Kg8 3. Rg7+ Kh8 4. Rxf7 b4 5. Rxc7 b3 6. Rb7 b2 7. Kg2 a5 8. Kh3 a4 9. Kh4 a3 10. Kh5 Ra1 11. Kg6 b1=Q+ 12. Rxb1 Rxb1 { Black wins with a large material advantage. } 1-0