Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. Bg5 c5 3. c3 cxd4 4. cxd4 Nc6 5. Nc3 Nf6 6. Bxf6 gxf6 7. e3 e6 8.
Nge2 Bd7 9. Nf4 Bd6 10. g3 f5 11. Bb5 a6 12. Bxc6 Bxc6 13. Nh5 Qg5 14. h4 Qh6
15. Nf4 b5 16. a3 O-O 17. Rc1 Rfc8 18. Nce2 a5 19. O-O b4 20. axb4 axb4 21. Nd3
Bb5 22. Qb3 Rc4 23. Rfd1 Ba4 24. Qa2 b3 25. Qb1 Rc2 26. Nc3 Bxg3 27. Nxa4 Qxh4
28. Rxc2 Qh2+ 29. Kf1 bxc2 30. Qxc2 Qh1+ 31. Ke2 Qh5+ 32. Kd2 Bd6 33. Rg1+ Kh8
34. Qc6 Rd8 35. Nac5 Bf8 36. Qc7 Re8 37. Ne5 Re7 38. Qd8 Qh6 39. Qxe7 Bxe7 *
Position (FEN): 7k/4bp1p/4p2q/2NpNp2/3P4/4P3/1P1K1P2/6R1 w - - 0 40
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 770
Best move: Nxf7#