Chess puzzle (Checkmate)
Moves: 1. Nf3 Nf6 2. g3 d6 3. d4 h5 4. Bg2 Nc6 5. c4 g6 6. Nc3 Bg7 7. O-O Bg4 8. h3
Bf5 9. Re1 Qd7 10. Kh2 h4 11. g4 Bxg4 12. hxg4 Nxg4+ 13. Kg1 h3 14. Bh1 h2+ 15.
Kf1 Nf6 16. e3 O-O-O 17. Ng5 Qf5 18. e4 Qd7 19. Nxf7 Qh3+ 20. Ke2 Ng4 21. Nxd8
Nxd4+ 22. Kd2 Nxf2 23. Re3 Bh6 24. Qe1 Nxh1 25. Kd3 Bxe3 26. Bxe3 Ng3 27. Qf2
h1=Q 28. Rxh1 Nxh1 29. Qf7 Kxd8 30. Kxd4 Qh7 31. Qf3 Qg7+ 32. Kd3 Qe5 33. Bd4
Qh5 34. Qf7 g5 35. Qd5 Qh3+ 36. Kc2 Qg2+ 37. Kb3 Rh2 38. Nb5 c6 39. Qg8+ Kd7
40. Nxa7 Rh3+ 41. Bc3 Qxe4 *
Position (FEN): 6Q1/Np1kp3/2pp4/6p1/2P1q3/1KB4r/PP6/7n w - - 0 42
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 809
Best move: Qc8#