Chess puzzle (Crushing)
Moves: 1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. d4 d6 5. exd6 cxd6 6. Nc3 Bf5 7. Nf3 Nc6 8.
Bd3 Bxd3 9. Qxd3 e6 10. O-O Be7 11. b3 Bf6 12. Bb2 O-O 13. Ne4 d5 14. Nxf6+
Qxf6 15. Ne5 Nxe5 16. dxe5 Qg5 17. f4 Qh4 18. c5 Nd7 19. b4 Rfc8 20. Rf3 h6 21.
Raf1 f5 22. exf6 Nxf6 23. Rh3 Qg4 24. Rff3 Qf5 25. Qd1 Rc7 26. Be5 Rd7 27. Qd4
Rf7 28. Rhg3 Kf8 29. Bd6+ Kg8 30. Be5 Kh7 31. Qd3 Ne4 32. Rh3 Rg8 33. Rf1 a6
34. a4 Qg4 35. Rg3 Qf5 36. Re3 Kh8 37. Rh3 Kh7 38. Re3 Rgf8 39. Ref3 Kg8 40. h3
Qh5 41. g4 Qh4 42. f5 exf5 43. Qxd5 Kh7 44. Qd3 Kh8 45. gxf5 Nf6 46. Bxf6 Rxf6
47. Qd7 R8f7 48. Qd8+ Kh7 49. Qd3 Qxb4 50. Qc2 Qd4+ 51. Kh2 Qe5+ 52. Rg3 h5 53.
Kg2 Rxf5 54. Rg5 g6 55. Rgxf5 Rxf5 56. Rxf5 Qxf5 57. Qxf5 *
Position (FEN): 8/1p5k/p5p1/2P2Q1p/P7/7P/6K1/8 b - - 0 57
Black to move.
Themes:  Endgame  
Puzzle rating: 520
Best move: gxf5