Chess puzzle (Crushing)
Moves: 1. e4 c6 2. d4 e6 3. f4 Ne7 4. Nf3 h6 5. h3 g6 6. Nc3 Bg7 7. Be3 a5 8. a4 Na6
9. Na2 Qc7 10. c3 b6 11. Nc1 d6 12. e5 d5 13. Qc2 Nf5 14. Bf2 Qb7 15. g4 Ne7
16. g5 h5 17. Nd3 Nf5 18. Nh4 Nc7 19. Nxf5 exf5 20. h4 Ne6 21. Bg3 Qc7 22. b4
Ba6 23. bxa5 bxa5 24. Be2 O-O 25. O-O Rfb8 26. Rfb1 Rxb1+ 27. Rxb1 Rb8 28.
Rxb8+ Qxb8 29. Nc5 Bxe2 30. Qxe2 Bf8 31. Nxe6 fxe6 32. Be1 Qb6 33. Bf2 Kf7 34.
Kf1 Qb1+ 35. Qe1 Qb3 36. Qa1 Qc4+ 37. Ke1 Qd3 38. Qb2 Qe4+ 39. Qe2 Qxf4 40. Qe3
Qe4 41. Qxe4 fxe4 42. Ke2 Ba3 43. Be1 c5 44. Kd2 cxd4 45. cxd4 Bb4+ 46. Kd1 Ke7
47. Bxb4+ *
Position (FEN): 8/4k3/4p1p1/p2pP1Pp/PB1Pp2P/8/8/3K4 b - - 0 47
Black to move.
Themes:  Endgame  
Puzzle rating: 706
Best move: axb4