Chess puzzle (Crushing)
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 d6 5. Nc3 Bg4 6. h3 Bh5 7. Be3 Bd4 8. g4
Bg6 9. Bxd4 exd4 10. Ne2 Qf6 11. Nfg1 h5 12. Qd2 hxg4 13. O-O-O gxh3 14. Rxh3
Rxh3 15. Nxh3 Qf3 16. Neg1 Qf6 17. Qg5 O-O-O 18. Qxf6 Nxf6 19. Nf4 Ne5 20. Nxg6
fxg6 21. Ne2 c5 22. Be6+ Kc7 23. Nf4 Re8 24. Rh1 g5 25. Nd5+ Nxd5 26. Bxd5 Ng4
27. f3 Nh6 28. Rg1 Re5 29. f4 gxf4 30. Rxg7+ Kc8 31. Bxb7+ Kb8 32. Bd5 f3 33.
Kd1 Rh5 34. Ke1 Rh2 35. Rg6 Kc7 36. Rf6 Rh1+ 37. Kf2 *
Position (FEN): 8/p1k5/3p1R1n/2pB4/3pP3/3P1p2/PPP2K2/7r b - - 9 37
Black to move.
Themes:  Endgame  
Puzzle rating: 866
Best move: Ng4+