Chess puzzle (Crushing)
Moves: 1. e4 Nc6 2. Nf3 d6 3. h3 e5 4. a3 Nf6 5. d3 Be7 6. Nc3 Be6 7. Be2 h6 8. Be3 a6
9. Qd2 b5 10. O-O g5 11. d4 exd4 12. Nxd4 Nxd4 13. Qxd4 c5 14. Qd3 Bc4 15. Qd2
Bxe2 16. Qxe2 b4 17. Nd5 Nxd5 18. exd5 bxa3 19. Rxa3 O-O 20. Rfa1 Qb6 21. b3
Bf6 22. Rxa6 Rxa6 23. Qxa6 Qxa6 24. Rxa6 Be5 25. Ra4 f5 26. f4 gxf4 27. Bxf4
Kg7 28. Ra7+ Kg6 29. Bxe5 dxe5 30. d6 Rd8 31. d7 Kf6 32. Kf2 Ke7 33. Rc7 Kd6
34. Ra7 Rxd7 35. Rxd7+ Kxd7 36. Ke3 h5 37. g4 *
Position (FEN): 8/3k4/8/2p1pp1p/6P1/1P2K2P/2P5/8 b - - 0 37
Black to move.
Themes:  Endgame, Pawn Endgame  
Puzzle rating: 1673
Best move: fxg4