Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 d6 5. Nc3 a6 6. Be3 Bd7 7. f3 e6 8. Bc4
Nf6 9. O-O Be7 10. a3 Rc8 11. Bb3 O-O 12. Qe1 Nxd4 13. Bxd4 b5 14. Rd1 Qc7 15.
e5 dxe5 16. Bxe5 Qb6+ 17. Kh1 Bc6 18. Qg3 Ne8 19. Ne4 Qe3 20. Bf4 Qb6 21. Be5
Qe3 22. Bd4 Qh6 23. Rfe1 Bxe4 24. Rxe4 Qg6 25. Rg4 Qf5 26. Rxg7+ Nxg7 *
Position (FEN): 2r2rk1/4bpnp/p3p3/1p3q2/3B4/PB3PQ1/1PP3PP/3R3K w - - 0 27
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 862
Best move: Qxg7#