Chess puzzle (Crushing)
Moves: 1. d4 d5 2. Bf4 c5 3. e3 Nc6 4. Nd2 e6 5. c3 Qb6 6. Rb1 Nf6 7. h3 cxd4 8. exd4
Be7 9. Ngf3 O-O 10. Bd3 Bd7 11. O-O Nh5 12. Bh2 Qd8 13. Ne5 Nxe5 14. dxe5 g6
15. Qg4 Bg5 16. f4 Be7 17. Qf3 Qb6+ 18. Kh1 Qd8 19. g4 Ng7 20. Qf2 Bh4 21. Bg3
Bxg3 22. Qxg3 Qb6 23. Nf3 Bb5 24. Bxb5 Qxb5 25. Ng5 h6 26. Nf3 Kh7 27. Nd4 Qd7
28. h4 h5 29. gxh5 Nxh5 30. Qh3 Qa4 31. a3 Rac8 32. Qh2 Qd7 33. Ne2 Rh8 34. Ng3
Nxg3+ 35. Qxg3 Kg8 36. Rf2 Qe7 37. Rh2 Kg7 38. h5 Rh7 39. hxg6 Rxh2+ 40. Kxh2
Rh8+ 41. Kg2 fxg6 42. Rg1 Qh4 43. Kf3 Qxg3+ 44. Rxg3 Rh2 45. Rg2 Rxg2 46. Kxg2
Kh6 47. Kg3 g5 48. Kg4 gxf4 49. Kxf4 Kg6 50. b4 *
Position (FEN): 8/pp6/4p1k1/3pP3/1P3K2/P1P5/8/8 b - - 0 50
Black to move.
Themes: Defensive Move, Zugzwang Endgame, Pawn Endgame  
Puzzle rating: 1599
Best move: b5