Chess puzzle (Checkmate)
Moves: 1. e4 e6 2. f4 a6 3. Nf3 Nc6 4. d4 Nf6 5. Bd3 Be7 6. Qe2 Nb4 7. Bc4 b5 8. Bb3
Bb7 9. Nc3 c5 10. a3 cxd4 11. Nxd4 Nc6 12. Nf3 Bc5 13. Be3 Bxe3 14. Qxe3 O-O
15. O-O Rb8 16. e5 Ng4 17. Qe1 Ne7 18. h3 Nh6 19. g4 Qb6+ 20. Kh2 d6 21. g5
Nhf5 22. Rd1 dxe5 23. Rd2 Ne3 24. Rff2 exf4 25. Nd1 N7f5 26. c3 a5 27. Nd4 a4
28. Nxf5 Nxf5 29. Bc2 Nh4 30. Qf1 e5 31. b3 f3 32. Kg3 Ng2 33. h4 Qc7 34. Kh2
e4+ 35. Kg1 Qg3 36. Rxg2 fxg2 37. Rxg2 Qe5 38. c4 Qd4+ 39. Kh2 Qe5+ 40. Kg1 e3
41. Qd3 Bxg2 *
Position (FEN): 1r3rk1/5ppp/8/1p2q1P1/p1P4P/PP1Qp3/2B3b1/3N2K1 w - - 0 42
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 798
Best move: Qxh7#