Chess puzzle (Checkmate)
Moves: 1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Nf6 5. h3 Be6 6. Qf3 c6 7. Bg5 Be7 8. Nd2
Nbd7 9. O-O-O a5 10. Ne2 a4 11. Nf4 O-O 12. g4 c5 13. Rdg1 c4 14. Bf5 Bxf5 15.
gxf5 a3 16. Bh6 axb2+ 17. Kd1 Rxa2 18. Bxg7 Ne4 19. Bf6+ Ng5 *
Position (FEN): 3q1rk1/1p1nbp1p/5B2/3p1Pn1/2pP1N2/5Q1P/rpPN1P2/3K2RR w - - 3 20
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 1163
Best move: Rxg5#