Castle early and often.
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[Event "rated untimed match"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Unknown"]
[Black "Unknown027"]
[Result "1-0"]
[Annotator "David Hayes"]
[BlackElo "0"]
[FEN "r4k2/p3Rbp1/1pp4P/6R1/3n4/8/5PP1/6K1 w - - 0 1"]
[SetUp "1"]
[TimeControl "0"]
[WhiteElo "0"]
1. Rxa7 Ne2+ 2. Kh2 ( { White can try: } 2. Kf1 Rxa7 3. h7 Ra1+ 4. Kxe2 Rh1 5. Kd3 Rxh7 { Black wins with a large material advantage. } ) 2... Rxa7 3. h7 Ra4 4. h8=Q+ Bg8 5. Qxg7+ Ke8 6. Qxg8+ Kd7 7. Qf7+ Kd6 8. Qf6+ Kc7 9. Rg7+ Kb8 10. Qd8# 1-0