Chess puzzle (Crushing)
Moves: 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nxd4 5. Qxd4 d6 6. Bc4 Nf6 7. Nc3 Be7 8.
Bf4 Be6 9. O-O-O Bxc4 10. Qxc4 Qc8 11. e5 dxe5 12. Bxe5 O-O 13. Rhe1 c6 14. h4
Re8 15. f3 Qf5 16. Kb1 Rad8 17. Bxf6 Bxf6 18. Ne4 Rxd1+ 19. Rxd1 Qe5 20. c3 Rd8
21. Re1 Bxh4 22. Re2 Qd5 23. Qxd5 cxd5 24. Nc5 b6 25. Nb7 Rb8 26. Kc2 Kf8 27.
Nd6 Bg3 28. Nf5 Bc7 29. Re7 Rc8 30. Rd7 g6 31. Nd4 Ke8 32. Rxd5 Rd8 33. Rxd8+
Bxd8 34. Nc6 a6 35. Nxd8 Kxd8 36. Kd3 Kd7 37. Kd4 Kd6 38. c4 f5 39. f4 h6 40.
g3 g5 41. b4 gxf4 *
Position (FEN): 8/8/pp1k3p/5p2/1PPK1p2/6P1/P7/8 w - - 0 42
White to move.
Themes:  Endgame, Pawn Endgame  
Puzzle rating: 1340
Best move: gxf4