One of the most important things in chess is pattern recognition: the ability to recognise typical themes and images on the board, characteristics of a position and their consequences.
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[Event "rated untimed match"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Unknown"]
[Black "Unknown251"]
[Result "1-0"]
[Annotator "David Hayes"]
[BlackElo "0"]
[FEN "8/8/8/5R2/2k1rp1P/8/8/5K2 w - - 0 1"]
[SetUp "1"]
[TimeControl "0"]
[WhiteElo "0"]
1. Kf2 ( { White can try: } 1. h5 Kd4 2. h6 Re7 3. Rxf4+ Ke5 4. Rh4 Rh7 5. Kf2 Kf6 6. Kg3 Kg6 7. Kg4 Rxh6 8. Rxh6+ Kxh6 { Draw. } ) 1... Kd4 2. Kf3 Re5 3. Kxf4 ( { White can try: } 3. Rxf4+ Kd5 4. Kg4 Re8 5. h5 Rg8+ 6. Kf5 Rf8+ 7. Kg5 Rxf4 8. Kxf4 Ke6 9. Kg5 Kf7 10. h6 Kg8 { Draw. Black controls the promotion
square. } ) 3... Re2 4. h5 Rf2+ 5. Kg5 Rg2+ 6. Kf6 Ke4 7. Ra5 Rh2 8. Kg6 Kf4 9. h6 Rc2 10. h7 Rc6+ 11. Kh5 Rc8 12. Ra7 Kf5 13. Rg7 Rh8 14. Kh6 Kf6 15. Rg8 Rxg8 16. hxg8=Q { White wins with a large material advantage. } 1-0