Chess puzzle (Crushing)
Moves: 1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Bc4 Nc6 5. Nxd4 Be7 6. Nc3 Nxd4 7. Qxd4 Bf6 8.
Qd3 Ne7 9. Bf4 Be6 10. Nd5 Bxd5 11. Bxd5 O-O 12. O-O Rb8 13. Qb3 Nxd5 14. exd5
Re8 15. Rfe1 Qd7 16. Re3 Rxe3 17. Bxe3 b6 18. Re1 Re8 19. c3 Kf8 20. Qd1 Qb5
21. Qd2 Re5 22. Rd1 Qc4 23. b3 Qg4 24. h3 Qg6 25. c4 Bg5 26. Bxg5 Rxg5 27. g3
Rh5 28. Kh2 Rf5 29. Qe3 Qf6 30. Kg2 Re5 31. Qf3 Qg6 32. Qd3 Qxd3 33. Rxd3 Re2
34. a4 f5 35. Kf3 Re4 36. Re3 Rxe3+ 37. Kxe3 Kf7 38. Kf4 Kf6 39. f3 g5+ 40. Ke3
h5 41. b4 a5 42. b5 Kg6 43. h4 *
Position (FEN): 8/2p5/1p1p2k1/pP1P1ppp/P1P4P/4KPP1/8/8 b - - 0 43
Black to move.
Themes:  Endgame, Pawn Endgame  
Puzzle rating: 1658
Best move: f4+