Chess puzzle (Checkmate)
Moves: 1. d4 d5 2. Nf3 Nc6 3. e3 Bg4 4. Bd3 e5 5. dxe5 Nxe5 6. Be2 Nxf3+ 7. Bxf3 Bxf3
8. Qxf3 Nf6 9. Bd2 c5 10. O-O Bd6 11. Re1 O-O 12. Bc3 Ne4 13. Qg4 f6 14. f3 Ng5
15. Nd2 b5 16. a3 Qc7 17. h4 Nf7 18. Bxf6 Be5 19. Bxe5 Qxe5 20. e4 Qd4+ 21. Kh1
Qxd2 22. Rad1 Qxc2 23. exd5 Rad8 24. h5 Qf2 25. Re7 Rde8 26. d6 Nxd6 *
Position (FEN): 4rrk1/p3R1pp/3n4/1pp4P/6Q1/P4P2/1P3qP1/3R3K w - - 0 27
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 937
Best move: Qxg7#