Chess puzzle (Checkmate)
Moves: 1. e4 d5 2. exd5 Nf6 3. Nc3 e6 4. dxe6 Bxe6 5. h3 Bb4 6. Nge2 Qe7 7. a3 Bxc3 8.
Nxc3 Nc6 9. Be2 O-O-O 10. O-O Rhe8 11. Bf3 h5 12. Bxc6 bxc6 13. d3 Rg8 14. Be3
g5 15. Bxa7 c5 16. Qf3 g4 17. Qa8+ Kd7 18. Qb7 gxh3 19. g3 Ke8 20. Qb5+ Bd7 21.
Qxc5 Qxc5 22. Bxc5 Ng4 23. Rae1+ Be6 24. Ne4 h2+ 25. Kh1 Kd7 26. f3 Nh6 27.
Nf6+ Kc8 28. Nxg8 Rxg8 29. Kxh2 Nf5 30. Rg1 Bd5 31. f4 Rh8 32. c4 Bc6 33. b4 h4
34. g4 Ng3 35. b5 Bf3 36. g5 Kb7 37. a4 Nf5 38. a5 h3 39. Re5 Nh4 40. Kxh3 *
Position (FEN): 7r/1kp2p2/8/PPB1R1P1/2P2P1n/3P1b1K/8/6R1 b - - 0 40
Black to move.
Themes: Discovered Attack Endgame Mate in 1 
Puzzle rating: 1475
Best move: Nf5#