Chess puzzle (Crushing)
Moves: 1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. Bxc6 bxc6 5. O-O Nf6 6. e5 Nd5 7. c4 Nb6 8. d3
d5 9. Bg5 Be7 10. Bxe7 Qxe7 11. b3 O-O 12. Nbd2 f6 13. Re1 Nd7 14. cxd5 cxd5
15. d4 cxd4 16. exf6 Rxf6 17. Nxd4 e5 18. Rc1 Qa3 19. Nc6 Re6 20. Qc2 Bb7 21.
Qf5 Rae8 22. Qh5 Bxc6 23. Rxc6 g6 24. Qg4 Rxc6 25. Qxd7 Rce6 26. Qxd5 Qxa2 27.
Nf3 Qb2 28. Ng5 Qc3 29. Rf1 Qc8 30. Nxe6 Rxe6 31. h3 Kg7 32. Re1 Qc3 33. Qxe6
Qxe1+ 34. Kh2 Qxf2 35. Qxe5+ Kh6 36. Qg3 Qb6 37. Qf4+ Kg7 38. Qf3 a5 39. Qc3+
Kh6 40. Qf3 Qd6+ 41. Qg3 Qxg3+ 42. Kxg3 Kg5 43. Kf3 Kf5 44. Ke3 Ke5 45. g3 Kd5
46. Kd3 Kc5 47. Kc3 Kb5 48. h4 a4 *
Position (FEN): 8/7p/6p1/1k6/p6P/1PK3P1/8/8 w - - 0 49
White to move.
Themes:  Endgame, Pawn Endgame  
Puzzle rating: 766
Best move: bxa4+