Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Be7 6. Bf4 O-O 7. Qd2 Nc6 8.
O-O-O Bd7 9. f3 a6 10. h4 b5 11. h5 b4 12. Nd5 Nxd5 13. exd5 Nxd4 14. Qxd4 Bf6
15. Qd2 Re8 16. g4 g6 17. hxg6 fxg6 18. Qh2 Re7 19. Bd3 Rg7 20. Kb1 Bb5 21. g5
Be7 22. Rhg1 Bxd3 23. Rxd3 Qf8 24. Be3 Qf5 25. f4 Rf8 26. Rdd1 Re8 27. Qd2 Bf8
28. Bd4 Rge7 29. Rgf1 Qxd5 30. f5 c5 31. fxg6 Qxd4 32. gxh7+ Rxh7 33. Qg2 Qe5
34. g6 Rg7 35. Rf7 Rxf7 36. gxf7+ Kxf7 37. Rf1+ Ke7 38. Qb7+ Kd8 39. Qb8+ Kd7
40. Qb7+ Ke6 *
Position (FEN): 4rb2/1Q6/p2pk3/2p1q3/1p6/8/PPP5/1K3R2 w - - 8 41
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 855
Best move: Qf7#