Chess puzzle (Crushing)
Moves: 1. e4 e6 2. c4 a6 3. Nc3 d6 4. Nf3 Be7 5. d3 Nf6 6. e5 dxe5 7. Nxe5 Nbd7 8. Nf3
O-O 9. h3 c5 10. d4 cxd4 11. Qxd4 Bc5 12. Qd1 Qb6 13. Qd2 Qa7 14. Bd3 h6 15.
O-O Qb8 16. Ne4 Nxe4 17. Bxe4 Nf6 18. Bc2 Ne8 19. Qd3 f5 20. b3 Nf6 21. Bb2 Qf4
22. Be5 Qe4 23. Qc3 Qc6 24. Rad1 Bd7 25. Nd4 Bxd4 26. Qxd4 Be8 27. Rfe1 Bh5 28.
f3 Rad8 29. Qc3 Bg6 30. a4 Rxd1 31. Rxd1 Qc5+ 32. Kf1 Nh5 33. Bd6 Qc6 34. Bxf8
Kxf8 35. Kf2 Qc7 36. Qe3 Qg3+ 37. Kg1 Nf4 38. Rd2 Nxh3+ 39. Kf1 Nf4 40. Qf2
Qxf2+ 41. Rxf2 Be8 42. g3 Ng6 43. Re2 Kf7 44. f4 Ne7 45. Rd2 g5 46. Bd1 Kf6 47.
fxg5+ hxg5 48. Rd8 Bc6 49. b4 g4 50. b5 axb5 51. cxb5 Be4 52. Bb3 Nd5 53. Rd7
Nc3 54. Rd6 Bd5 55. Bxd5 Nxd5 56. a5 Ke7 57. Rb6 *
Position (FEN): 8/1p2k3/1R2p3/PP1n1p2/6p1/6P1/8/5K2 b - - 2 57
Black to move.
Themes:  Endgame  
Puzzle rating: 949
Best move: Nxb6