Chess puzzle (Crushing)
Moves: 1. d4 d5 2. Nf3 Bf5 3. Bf4 e6 4. e3 Bd6 5. Bxd6 Qxd6 6. Nbd2 Nf6 7. Be2 h6 8.
O-O O-O 9. c4 Ng4 10. c5 Qe7 11. h3 Nf6 12. Ne5 c6 13. Qb3 Nbd7 14. Qxb7 Rfb8
15. Qxc6 Nxe5 16. dxe5 Nd7 17. Qd6 Qe8 18. c6 Nb6 19. Bb5 Rc8 20. g4 Bg6 21. a4
Qd8 22. Qxd8+ Rxd8 23. c7 Rdc8 24. Rfc1 a6 25. a5 Nc4 26. Bxc4 dxc4 27. Rxc4
Ra7 28. Rac1 Bd3 29. Rc5 Kf8 30. b4 Ke7 31. f4 Kd7 32. Kf2 Raxc7 33. Rxc7+ Rxc7
34. Rxc7+ Kxc7 35. h4 Kc6 36. e4 Kb5 37. Ke3 Bc2 38. g5 hxg5 39. fxg5 Kxb4 40.
Kd4 Kxa5 41. Nc4+ Kb5 42. Nd6+ Kb4 43. Nxf7 a5 44. Nd8 a4 45. Nxe6 *
Position (FEN): 8/6p1/4N3/4P1P1/pk1KP2P/8/2b5/8 b - - 0 45
Black to move.
Themes:  Endgame  
Puzzle rating: 1309
Best move: a3