Chess puzzle (Crushing)
Moves: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Bc4 Bg7 7. O-O O-O 8. b3
Nc6 9. Bb2 a6 10. f4 Nxd4 11. Qxd4 b5 12. Be2 Bg4 13. h3 Bxe2 14. Nxe2 Nh5 15.
e5 dxe5 16. Qxd8 Raxd8 17. fxe5 Rd2 18. Rae1 Rxc2 19. Ba1 Bh8 20. g4 Rxe2 21.
Rxe2 Ng3 22. Ref2 Nxf1 23. Rxf1 Rd8 24. Bc3 Rd5 25. Re1 e6 26. Kf2 Bg7 27. g5
Bf8 28. Re4 Bc5+ 29. Ke2 Bb6 30. a4 a5 31. Be1 b4 32. h4 Rd4 33. Re3 Rg4 34.
Rf3 Rg2+ 35. Kd3 Rb2 36. Kc4 Re2 37. Bg3 Bc7 38. Kd4 Kg7 39. Bf4 Bb6+ 40. Kd3
Re1 41. Bg3 Rc1 42. Bf4 Rc3+ 43. Ke2 Rxf3 44. Kxf3 Kf8 45. Ke2 Ke8 46. Kd3 Kd7
47. Kc4 Kc6 48. Bd2 Bf2 49. Bxb4 *
Position (FEN): 8/5p1p/2k1p1p1/p3P1P1/PBK4P/1P6/5b2/8 b - - 0 49
Black to move.
Themes:  Bishop Endgame, Endgame  
Puzzle rating: 1070
Best move: axb4