Chess puzzle (Checkmate)
Moves: 1. e3 c5 2. d3 d5 3. Be2 Nf6 4. Bd2 e6 5. c3 Nc6 6. Qc2 Be7 7. h3 O-O 8. g4 b6
9. g5 Nd7 10. h4 Bb7 11. Na3 c4 12. d4 Bxa3 13. bxa3 e5 14. Nh3 e4 15. Nf4 Ne7
16. f3 exf3 17. Bxf3 b5 18. h5 Rc8 19. g6 h6 20. gxf7+ Rxf7 21. Ne6 Qb6 22. Nf4
Nf8 23. Be2 Ne6 24. Ng6 Ng5 25. Nxe7+ Rxe7 26. O-O-O Qd6 27. Qb2 a6 28. Rhg1
Rf8 29. Be1 Ne4 30. Rg2 Ref7 31. Bh4 Qe6 32. Bg4 Qd6 33. Rdg1 Bc8 34. Bxc8 Rxc8
35. Rg6 Nf6 36. Bxf6 Rxf6 37. Rxg7+ Kh8 38. Qg2 Qe6 39. Rh7+ Kxh7 *
Position (FEN): 2r5/7k/p3qr1p/1p1p3P/2pP4/P1P1P3/P5Q1/2K3R1 w - - 0 40
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 661
Best move: Qg7#