Chess puzzle (Checkmate)
Moves: 1. Nf3 g6 2. d4 Bg7 3. Nc3 d6 4. e4 Nf6 5. h3 O-O 6. Be3 Nc6 7. Qd2 e5 8. d5
Ne7 9. O-O-O Ne8 10. g4 f5 11. gxf5 gxf5 12. Rg1 f4 13. Ng5 fxe3 14. fxe3 Kh8
15. h4 h6 16. Ne6 Bxe6 17. dxe6 Nf6 18. Bh3 h5 19. Qe2 Bh6 20. Nd5 Nexd5 21.
exd5 Rg8 22. Kb1 Qe7 23. Bf5 Rg7 24. e4 Rag8 25. Rgf1 Rg2 26. Qb5 b6 27. a4 a5
28. Rd3 Bf4 29. Rc3 R2g3 30. Rc6 R8g7 31. Qa6 Rg8 32. Qb7 R3g7 33. Rf3 Ng4 34.
Rfc3 Qxh4 35. Rxc7 Rxc7 36. Rxc7 Qe1+ 37. Ka2 Nf6 38. Rh7+ Nxh7 *
Position (FEN): 6rk/1Q5n/1p1pP3/p2PpB1p/P3Pb2/8/KPP5/4q3 w - - 0 39
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 820
Best move: Qxh7#