Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O Nbd7 7. Nc3 e5 8. dxe5
dxe5 9. Bg5 h6 10. Be3 Ng4 11. Bd2 f5 12. Qc1 Kh7 13. h3 Ngf6 14. Rd1 e4 15.
Nd4 Qe7 16. Bf4 c5 17. Ndb5 Nh5 18. Bd6 Qf7 19. Bxf8 Bxf8 20. Nc7 Rb8 21. N3d5
Ne5 22. Qc3 Bg7 23. Qa5 a6 24. Qxc5 f4 25. g4 f3 26. exf3 exf3 27. gxh5 fxg2
28. Qe7 Qf3 29. hxg6+ Kxg6 30. Ne8 Qxh3 31. Qxg7+ Kf5 32. Ne3+ Ke4 33. Nd6+ Kf3
34. Qxg2+ Qxg2+ 35. Nxg2 Bh3 36. Kh2 Bxg2 37. Rg1 *
Position (FEN): 1r6/1p6/p2N3p/4n3/2P5/5k2/PP3PbK/R5R1 b - - 1 37
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 852
Best move: Ng4#