Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. f3 a6 7. Be3 Be7 8. Qd2
O-O 9. O-O-O b5 10. g4 Qc7 11. Kb1 Nc6 12. Nxc6 Qxc6 13. h4 Bb7 14. g5 Nd7 15.
h5 Ne5 16. f4 Nc4 17. Bxc4 Qxc4 18. g6 Bxe4 19. Rhg1 Rac8 20. Nxe4 Qxe4 21. Qf2
Bf6 22. Bd4 Bxd4 23. Rxd4 Qf5 24. Rg5 Qh3 25. Qg1 f6 26. gxh7+ Kh8 27. Rxg7
Qxh5 28. Rxd6 e5 29. Rxf6 Rxf6 30. Rg8+ Kxh7 *
Position (FEN): 2r3R1/7k/p4r2/1p2p2q/5P2/8/PPP5/1K4Q1 w - - 0 31
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 980
Best move: Qg7#