Chess puzzle (Crushing)
Moves: 1. e4 e5 2. Nf3 Nf6 3. Nxe5 Nc6 4. Nxc6 dxc6 5. d3 Bc5 6. Be2 h5 7. O-O Qd6 8.
Be3 Bxe3 9. fxe3 Ng4 10. Bxg4 hxg4 11. g3 Be6 12. Qe2 O-O-O 13. Nc3 Rh6 14. Rf2
Rdh8 15. Raf1 Qxg3+ 16. Rg2 Qd6 17. Qf2 g3 18. Qxg3 Bh3 19. Qxd6 cxd6 20. Rxg7
Bxf1 21. Kxf1 Rxh2 22. Ne2 Rf8 23. d4 f5 24. e5 dxe5 25. dxe5 Re8 26. Nd4 Rxe5
27. Nf3 Rh1+ 28. Kg2 Rxe3 29. Kxh1 Rxf3 30. Kg2 Rf4 31. Rf7 Rc4 32. c3 Rc5 33.
Kf3 Rd5 34. Ke3 Re5+ 35. Kd2 Rd5+ 36. Ke2 a6 37. Ke3 b6 38. b3 a5 39. c4 Re5+
40. Kf4 Re2 41. Kxf5 Rf2+ 42. Ke6 Rxf7 43. Kxf7 Kd7 44. Kf6 Kd6 45. a3 *
Position (FEN): 8/8/1ppk1K2/p7/2P5/PP6/8/8 b - - 0 45
Black to move.
Themes:  Endgame, Pawn Endgame  
Puzzle rating: 2311
Best move: b5