Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Bc4 Nc6 3. Nc3 Nf6 4. d3 Bc5 5. Bg5 h6 6. Bh4 g5 7. Bg3 d6 8. h3
Be6 9. Nd5 Bxd5 10. Bxd5 Nxd5 11. exd5 Nd4 12. c3 Nf5 13. Qg4 Qf6 14. O-O-O
Nxg3 15. fxg3 h5 16. Qe2 O-O-O 17. Nf3 g4 18. hxg4 hxg4 19. Rxh8 Rxh8 20. Nh4
Bf2 21. Rf1 Qg5+ 22. Kb1 Bxg3 23. Nf5 Bf4 24. g3 Qxf5 25. gxf4 Rh2 26. Qxh2
Qxd3+ 27. Kc1 Qxf1+ 28. Kc2 Qh3 29. Qf2 g3 30. Qxa7 Qh2+ 31. Kb3 g2 32. Qa8+
Kd7 33. Qxb7 g1=Q 34. Qc6+ Ke7 35. Qxc7+ Kf6 36. Qd8+ Kf5 37. Qd7+ Ke4 38. Qa4+
Kxd5 *
Position (FEN): 8/5p2/3p4/3kp3/Q4P2/1KP5/PP5q/6q1 w - - 0 39
White to move.
Themes:  Endgame, Queen Endgame Mate in 1 
Puzzle rating: 1227
Best move: Qc4#