Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Bc4 Bc5 3. Nf3 d6 4. d3 h6 5. Nc3 c6 6. O-O Qf6 7. a3 Ne7 8. b4 Bb6
9. b5 O-O 10. a4 Ng6 11. a5 Bc5 12. a6 bxa6 13. bxa6 Bb6 14. Be3 Bd8 15. Ne2
Nf4 16. Nxf4 exf4 17. Bd4 Qg6 18. e5 d5 19. Bc5 Re8 20. Bb3 Bh3 21. g3 Bxf1 22.
Qxf1 Nd7 23. d4 Bb6 24. Bxb6 Nxb6 25. c4 dxc4 26. Bxc4 Qe4 27. Qg2 Nxc4 28. Re1
Qd3 29. gxf4 Nd2 30. Nxd2 Qxd2 31. Rf1 Qxf4 32. Qxc6 Qxd4 33. e6 Qg4+ 34. Kh1
Rxe6 35. Qxa8+ Kh7 36. Rg1 Qa4 37. Qxa7 Rxa6 38. Qxf7 Qc6+ 39. f3 Qc3 40. Qf5+
Kh8 41. Qf8+ Kh7 42. h4 Rf6 *
Position (FEN): 5Q2/6pk/5r1p/8/7P/2q2P2/8/6RK w - - 1 43
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 820
Best move: Qxg7#