Chess puzzle (Checkmate)
Moves: 1. e4 c6 2. Nf3 d5 3. exd5 cxd5 4. d4 Nc6 5. Bb5 Bg4 6. Qd3 Qb6 7. Ba4 Nf6 8.
Ne5 Bh5 9. Nc3 e6 10. Bxc6+ bxc6 11. b3 Bb4 12. Bd2 O-O 13. O-O Rab8 14. Bg5
Rfd8 15. Na4 Qa5 16. Bxf6 gxf6 17. Nxc6 Qc7 18. Nxd8 Rxd8 19. Nc5 Kh8 20. c3
Ba5 21. b4 Bb6 22. Rfe1 Rg8 23. Re3 Qd6 24. Rh3 Bg6 25. Qg3 Qe7 26. a4 Bf5 27.
Qf3 Bxh3 28. Qxh3 Bc7 29. g3 f5 30. a5 f4 31. Kg2 Qg5 32. Nd7 fxg3 33. fxg3
Qd2+ 34. Kh1 Qxc3 35. Nf6 Qxa1+ 36. Kg2 Qb2+ 37. Kf3 Qc3+ 38. Kg2 Qd2+ 39. Kh1
Qe1+ 40. Kg2 Qe2+ 41. Kh1 Rg6 *
Position (FEN): 7k/p1b2p1p/4pNr1/P2p4/1P1P4/6PQ/4q2P/7K w - - 12 42
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 635
Best move: Qxh7#