Chess puzzle (Checkmate)
Moves: 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. Nf3 Nf6 5. d3 g6 6. Be3 Bg7 7. Qd2 h5 8.
O-O-O c6 9. Be2 b5 10. Bf4 Qd8 11. Ne4 Nbd7 12. Neg5 Nd5 13. Bg3 N7b6 14. Ne5
Bxe5 15. Bxe5 f6 16. Bg3 fxg5 17. Qxg5 Bf5 18. Be5 Kf7 19. Bxh8 Qxh8 20. h3 Na4
21. d4 Nb4 22. g4 Bxc2 23. gxh5 Bxd1 24. hxg6+ Kf8 25. Qf5+ Qf6 26. g7+ Kxg7
27. Rg1+ Kf7 28. Qh5+ Ke6 29. Rg6 Bxe2 30. Rxf6+ exf6 31. Qxe2+ Kf7 32. Qh5+
Ke6 33. Qg4+ f5 34. d5+ Nxd5 35. Qe2+ Kf6 36. Qh5 Rg8 37. Qh6+ Rg6 38. Qf8+ Kg5
39. Qd8+ Kh5 40. Qd7 Rg1+ 41. Kc2 Nb4+ 42. Kb3 a5 43. Qxf5+ Rg5 *
Position (FEN): 8/8/2p5/pp3Qrk/nn6/1K5P/PP3P2/8 w - - 1 44
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1450
Best move: Qh7#