Castle early and often.
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[Event "rated untimed match"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Unknown"] [Black "Unknown293"] [Result "1-0"] [Annotator "David Hayes"] [BlackElo "0"] [FEN "2r5/8/2k1p3/PR3ppp/3P4/4K1PP/8/8 w - - 0 1"] [SetUp "1"] [TimeControl "0"] [WhiteElo "0"] 1. Rc5+ Kd7 2. Rxc8 Kxc8 3. h4 gxh4 4. gxh4 Kb7 5. Kf4 Ka6 6. Kg5 Kxa5 7. Kxh5 Kb5 8. Kg5 Kc4 9. h5 Kxd4 10. h6 Ke4 11. h7 f4 12. h8=Q { White wins with a large material advantage. } 1-0