Chess puzzle (Crushing)
Moves: 1. d4 e5 2. dxe5 Nc6 3. Nf3 Qe7 4. Bf4 Qb4+ 5. Bd2 Qxb2 6. Nc3 Nb4 7. Rc1 Ne7
8. Nb5 Ned5 9. Bxb4 Bxb4+ 10. Nd2 Bxd2+ 11. Qxd2 Qxb5 12. e4 Qb4 13. exd5 Qe4+
14. Qe3 Qxd5 15. Rd1 Qe6 16. Bd3 d6 17. exd6 Qxe3+ 18. fxe3 cxd6 19. O-O O-O
20. e4 Be6 21. a3 Rad8 22. Rb1 b6 23. Rf3 d5 24. Rg3 dxe4 25. Bxe4 f5 26. Bd3
g6 27. Re1 Bc8 28. Rge3 Kg7 29. Re7+ Rf7 30. Rxf7+ Kxf7 31. g3 Kf6 32. Kf2 Rd4
33. Ra1 Ra4 34. Ke3 h5 35. h4 g5 36. hxg5+ Kxg5 37. Bb5 Re4+ 38. Kf3 h4 39.
gxh4+ Rxh4 40. Rg1+ Kf6 41. Bd3 Ra4 42. Ra1 Bb7+ 43. Kf2 f4 44. Bb5 Rd4 45. Bd3
a6 46. Rb1 b5 47. Bxb5 *
Position (FEN): 8/1b6/p4k2/1B6/3r1p2/P7/2P2K2/1R6 b - - 0 47
Black to move.
Themes:  Endgame  
Puzzle rating: 1528
Best move: axb5