Chess puzzle (Crushing)
Moves: 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 d5 8.
exd5 cxd5 9. h3 O-O 10. O-O c6 11. Qf3 h6 12. Bf4 Bd6 13. Rfe1 Rb8 14. b3 Bxf4
15. Qxf4 Be6 16. Na4 Qa5 17. Qe3 Rfe8 18. Qc5 Qxc5 19. Nxc5 Re7 20. Re5 Rbe8
21. Rae1 Kf8 22. f4 Nd7 23. Nxe6+ Rxe6 24. Rxe6 fxe6 25. Bg6 Re7 26. Kf2 e5 27.
fxe5 Nxe5 28. Bf5 g6 29. Bc8 Kf7 30. g4 Kf6 31. Kg3 g5 32. Bf5 Ng6 33. Rxe7
Nxe7 34. Bd7 Ke5 35. Kf3 Kd6 36. Be8 Ke5 37. Ke3 c5 38. a4 a5 39. Bf7 Nc6 40.
Bg8 d4+ 41. Kf3 Nb4 42. Bh7 d3 43. c3 d2 44. Ke2 Nd5 45. Kxd2 Nf4 46. Bd3 Nxh3
47. b4 cxb4 48. cxb4 axb4 49. a5 Nf2 *
Position (FEN): 8/8/7p/P3k1p1/1p4P1/3B4/3K1n2/8 w - - 1 50
White to move.
Themes:  Endgame  
Puzzle rating: 855
Best move: a6