Chess puzzle (Checkmate)
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. Nc3 d6 5. h3 Nf6 6. d3 h6 7. O-O Nd4 8. Be3
Bb6 9. Nd5 Ne6 10. Nxb6 axb6 11. a3 O-O 12. Nh2 Nh7 13. f4 exf4 14. Bxf4 Nxf4
15. Rxf4 Qg5 16. Qf3 Be6 17. Rf1 Bxc4 18. dxc4 Qc5+ 19. Kh1 Qxc4 20. e5 Qe6 21.
exd6 cxd6 22. Qxb7 Rac8 23. c3 Rc4 24. Qxb6 Ng5 25. Ng4 Rxf4 26. Rxf4 Qe1+ 27.
Kh2 Ne6 28. Rf2 h5 29. Qe3 Qb1 30. Nh6+ gxh6 31. Qxh6 Qg6 32. Qe3 Kh7 33. Rf3
h4 34. Qd2 Rg8 35. Qf2 Ng5 36. Qxh4+ Kg7 37. Qd4+ Kf8 38. Rf6 Nf3+ 39. Rxf3 *
Position (FEN): 5kr1/5p2/3p2q1/8/3Q4/P1P2R1P/1P4PK/8 b - - 0 39
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 600
Best move: Qxg2#