Castle early and often.
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[Event "rated untimed match"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Unknown"]
[Black "Unknown340"]
[Result "0-1"]
[Annotator "David Hayes"]
[BlackElo "0"]
[FEN "8/p7/6RP/2p5/2P1p3/1P3kP1/r7/4K3 b - - 0 1"]
[SetUp "1"]
[TimeControl "0"]
[WhiteElo "0"]
1... Ra1+ ( { Black can try: } 1... e3 2. Rf6+ Kxg3 3. h7 Rh2 4. h8=Q Rxh8 5. Ke2 Re8 6. Rf3+ Kg4 7. Rxe3 Rxe3+ 8. Kxe3 Kf5 9. Kd3 Ke5 10. Kc3 { Draw. } ) 2. Kd2 e3+ 3. Kd3 Rd1+ 4. Kc3 e2 5. Rf6+ Kxg3 6. Re6 e1=Q+ 7. Rxe1 Rxe1 8. h7 Rh1 { Black wins with a large material advantage. } 0-1