Chess puzzle (Checkmate)
Moves: 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nf3 Nf6 6. Nc3 Bb4 7. Bd3 O-O 8.
a3 Bxc3+ 9. bxc3 d5 10. exd5 Nxd5 11. Bb2 Re8 12. Bc4 Be6 13. Bxd5 Bxd5 14. O-O
Rc8 15. Re1 f6 16. Nh4 Qa5 17. Nf5 Rcd8 18. Qg4 Qc7 19. Rad1 Ne7 *
Position (FEN): 3rr1k1/ppq1n1pp/5p2/3bpN2/6Q1/P1P5/1BP2PPP/3RR1K1 w - - 8 20
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 1051
Best move: Qxg7#