Chess puzzle (Advantage)
Moves: 1. b3 d5 2. Bb2 Nc6 3. e3 e5 4. Bb5 Bd6 5. f4 a6 6. Bxc6+ bxc6 7. fxe5 Be7 8.
Nf3 Bg4 9. h3 Bh5 10. g4 Bg6 11. O-O Nh6 12. e6 O-O 13. exf7+ Rxf7 14. Ne5
Rxf1+ 15. Qxf1 Qd6 16. Nxg6 Qxg6 17. d3 Rf8 18. Qg2 Qf7 19. Nd2 Bd6 20. Rf1 Qe7
21. e4 dxe4 22. Nxe4 Rxf1+ 23. Qxf1 Bc5+ 24. Kg2 Nf7 25. Qf5 Bd6 26. Nxd6 cxd6
27. Qc8+ Qf8 28. Qxf8+ Kxf8 29. Kf3 g6 30. Kf4 Nd8 31. c4 Ne6+ 32. Kf3 Kf7 33.
h4 Nc5 34. d4 Ne6 35. Ba3 Nxd4+ 36. Ke4 c5 37. Bc1 Ke6 38. Be3 Nc2 39. Bh6 Nb4
40. a3 Nc2 41. a4 Nd4 42. b4 Nc6 43. b5 axb5 44. cxb5 d5+ 45. Kf3 Nd4+ 46. Kf2
Kd6 47. Be3 Nc2 48. a5 Na3 49. b6 Kc6 50. Bd2 Kb7 51. Kf3 Nc4 52. Be1 Nxb6 *
Position (FEN): 8/1k5p/1n4p1/P1pp4/6PP/5K2/8/4B3 w - - 0 53
White to move.
Themes:  Endgame  
Puzzle rating: 959
Best move: axb6