Passed pawns must be pushed.
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[Event "rated untimed match"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Unknown"] [Black "Unknown706"] [Result "1-0"] [Annotator "David Hayes"] [BlackElo "0"] [FEN "2rr2k1/p3npbp/1p2p1p1/4q3/3N2Q1/1P6/PB3PPP/2RR2K1 w - - 0 1"] [SetUp "1"] [TimeControl "0"] [WhiteElo "0"] 1. Nc6 Rxd1+ 2. Qxd1 Qxb2 3. Nxe7+ Kf8 4. Rxc8+ Kxe7 5. Qd8# 1-0