Chess puzzle (Checkmate)
Opening: Ruy_Lopez, Ruy_Lopez_Berlin_Defense
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Bc5 5. Nxe5 Nxe5 6. d4 Bxd4 7. Qxd4 Nc6
8. Bxc6 bxc6 9. e5 Nd5 10. c4 Nb4 11. Na3 O-O 12. Qe4 d6 13. Be3 Bb7 14. exd6
cxd6 15. c5 Nd5 16. Bd4 Re8 17. Qg4 dxc5 *
Position (FEN): r2qr1k1/pb3ppp/2p5/2pn4/3B2Q1/N7/PP3PPP/R4RK1 w - - 0 18
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 693
Best move: Qxg7#