Chess puzzle (Crushing)
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. O-O Nf6 5. Re1 d6 6. c3 Bg4 7. h3 Bh5 8. d3
Qd7 9. Qb3 Na5 10. Qb5 Nxc4 11. Qxd7+ Kxd7 12. dxc4 Bg6 13. Ng5 Nh5 14. g3 h6
15. Nf3 Nf6 16. Nbd2 Bh7 17. c5 g5 18. cxd6 Bxd6 19. b3 Rhe8 20. Bb2 Nh5 21.
Nc4 Nf6 22. Nfd2 Bc5 23. Rad1 Kc6 24. b4 Bb6 25. Nxb6 axb6 26. a3 Rad8 27. f3
h5 28. Nc4 Rxd1 29. Rxd1 g4 30. hxg4 hxg4 31. Rf1 gxf3 32. Rxf3 Nxe4 33. Rxf7
Bg8 34. Rf4 *
Position (FEN): 4r1b1/1pp5/1pk5/4p3/1PN1nR2/P1P3P1/1B6/6K1 b - - 2 34
Black to move.
Themes:  Endgame  
Puzzle rating: 1695
Best move: exf4