Chess puzzle (Crushing)
Moves: 1. Nf3 d5 2. g3 Nc6 3. Bg2 e5 4. d3 Nf6 5. O-O Bc5 6. b3 O-O 7. Bb2 e4 8. dxe4
dxe4 9. Qxd8 Rxd8 10. Ng5 e3 11. f4 Nd4 12. Bxd4 Bxd4 13. c3 Bc5 14. b4 Bb6 15.
a4 a5 16. b5 h6 17. Ne4 Nxe4 18. Bxe4 Bh3 19. Re1 Rab8 20. Na3 Be6 21. c4 Bc5
22. Bd3 Rd6 23. Nc2 Re8 24. Rac1 g6 25. Na1 Bb4 26. Red1 Red8 27. Nb3 Bf5 28.
c5 Rd5 29. c6 b6 30. Kf1 Bxd3 31. exd3 Rxd3 32. Ke2 Rxd1 33. Rxd1 Rxd1 34. Kxd1
Kg7 35. Ke2 Kf6 36. Kxe3 Ke6 37. Ke4 Be1 38. Na1 Kd6 39. Nb3 f5+ 40. Kd3 Bf2
41. Nd2 Kc5 42. Nc4 Kb4 43. Ne5 Kxa4 44. Kc4 g5 45. Nf7 gxf4 46. gxf4 Bg1 47.
h3 Bh2 48. Nxh6 Bxf4 49. Nxf5 Ka3 50. Ne7 Kb2 51. Nd5 Be5 52. h4 a4 53. h5 *
Position (FEN): 8/2p5/1pP5/1P1Nb2P/p1K5/8/1k6/8 b - - 0 53
Black to move.
Themes:  Endgame  
Puzzle rating: 790
Best move: a3