Chess puzzle (Checkmate)
Moves: 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd8 4. Nf3 e6 5. b3 Bb4 6. Bb2 Nf6 7. Be2 O-O 8.
O-O a6 9. d4 Bxc3 10. Bxc3 b5 11. Re1 Bb7 12. Qd3 Nbd7 13. Bb2 c5 14. Rad1 cxd4
15. Qxd4 Qc7 16. Bd3 Qc5 17. Qh4 Bxf3 18. gxf3 Qc6 19. Be4 Nxe4 20. Rxe4 Qxc2
21. Ree1 Qxb2 22. Rxd7 Qxa2 23. Kh1 Qxb3 24. Rg1 Qxf3+ 25. Rg2 a5 26. Qh6 Kh8 *
Position (FEN): r4r1k/3R1ppp/4p2Q/pp6/8/5q2/5PRP/7K w - - 2 27
White to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 922
Best move: Qxg7#