Avoid moving pawns, because they cannot go backwards.
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[Event "rated untimed match"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Unknown"] [Black "Unknown247"] [Result "1-0"] [Annotator "David Hayes"] [BlackElo "0"] [FEN "4N2k/pp3R2/6p1/2n4p/2B2P2/6PK/3r3P/6b1 w - - 0 1"] [SetUp "1"] [TimeControl "0"] [WhiteElo "0"] 1. Rf8+ Kh7 2. Nf6+ Kh6 ( { Black dare not try: } 2... Kg7 3. Rf7+ Kh6 4. Ng8# ) 3. Rh8+ ( { White can try: } 3. g4 Rxh2+ 4. Kg3 h4+ 5. Kf3 Rf2+ 6. Ke3 Rc2+ 7. Kf3 Rc3+ 8. Kg2 Rxc4 9. g5+ ( 9. Kxg1 Kg7 10. Rc8 Kxf6 { Black wins with a large material advantage. } ) 9... Kg7 10. Rc8 Bd4 { Black wins with a large material advantage. } ) 3... Kg7 4. Rh7+ Kxf6 5. Rf7# 1-0