Chess puzzle (Checkmate)
Moves: 1. d4 Nf6 2. Nf3 g6 3. c3 Bg7 4. Bf4 O-O 5. e3 d6 6. Be2 c5 7. h3 Nc6 8. O-O
Nh5 9. Bg5 h6 10. Bh4 Nf6 11. Na3 Ne4 12. d5 Ne5 13. Nc4 Nxc4 14. Bxc4 f5 15.
Bg3 a6 16. Nh4 Kh7 17. Be2 Bd7 18. Bf3 Bb5 19. Re1 Nxg3 20. fxg3 Be5 21. Kh2 g5
22. Nxf5 Bd7 23. Nxh6 Kxh6 24. c4 e6 25. Bg4 exd5 26. Bxd7 Qxd7 27. Qxd5 Rf6
28. Rf1 Raf8 29. Rf3 g4 30. hxg4 Qxg4 31. Raf1 Rxf3 32. Rxf3 Rxf3 33. Qxf3 Qg5
34. Qf8+ Kh5 35. Qe8+ Kg4 36. Qe6+ Kh5 37. Qf7+ Kg4 *
Position (FEN): 8/1p3Q2/p2p4/2p1b1q1/2P3k1/4P1P1/PP4PK/8 w - - 9 38
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1170
Best move: Qf3#