Chess puzzle (Crushing)
Moves: 1. e4 Nc6 2. Nf3 e5 3. Bc4 Nf6 4. d3 Be7 5. Nc3 d6 6. h3 Na5 7. Bb3 c6 8. O-O
h6 9. Be3 Qc7 10. Qd2 Nxb3 11. axb3 a6 12. Na4 b5 13. Nb6 Rb8 14. Qa5 Bd8 15.
Nxc8 Qxa5 16. Rxa5 Bxa5 17. Nxd6+ Kf8 18. Nxe5 Bc7 19. Ndxf7 Re8 20. Nxh8 Bxe5
21. Ng6+ Kf7 22. Nxe5+ Rxe5 23. g4 Nd7 24. f4 Re8 25. b4 Ke6 26. Bc5 a5 27. Ra1
a4 28. b3 Ra8 29. bxa4 Rxa4 30. Rd1 Ra2 31. Rd2 Nxc5 32. bxc5 b4 33. f5+ Ke5
34. Rd1 Kd4 35. Rb1 Kxc5 36. e5 Rxc2 37. e6 Re2 38. d4+ Kc4 39. Rc1+ Kxd4 *
Position (FEN): 8/6p1/2p1P2p/5P2/1p1k2P1/7P/4r3/2R3K1 w - - 0 40
White to move.
Themes:  Endgame, Rook Endgame  
Puzzle rating: 2059
Best move: Kf1