Chess puzzle (Crushing)
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bc4 d6 4. O-O Bg4 5. d3 Nd4 6. Nbd2 Qf6 7. c3 Nxf3+ 8.
Nxf3 Bxf3 9. Qxf3 Qxf3 10. gxf3 Ne7 11. h4 h5 12. d4 Nc6 13. d5 Na5 14. Be2 b6
15. b4 Nb7 16. a4 a5 17. Be3 Be7 18. Kg2 Bxh4 19. Rh1 Be7 20. f4 g6 21. f5
O-O-O 22. bxa5 Nxa5 23. fxg6 fxg6 24. f4 exf4 25. Bxf4 g5 26. Bd2 h4 27. c4 Nb3
28. Ra2 Bf6 29. Bg4+ Kb7 30. Be3 Rde8 31. Bf5 Re5 32. Rb2 Nc5 33. Bd4 Rxf5 34.
Bxc5 Bxb2 35. exf5 bxc5 36. Rb1 Kc8 37. Rxb2 Rf8 38. a5 Rxf5 *
Position (FEN): 2k5/2p5/3p4/P1pP1rp1/2P4p/8/1R4K1/8 w - - 0 39
White to move.
Themes:  Endgame, Rook Endgame  
Puzzle rating: 937
Best move: a6