Chess puzzle (Checkmate)
Opening: Kings_Pawn_Game, Kings_Pawn_Game_Busch-Gass_Gambit
Moves: 1. e4 e5 2. Nf3 Bc5 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 O-O 6. h3 Re8 7. Qd3 Qe7 8.
f3 a5 9. Be3 b5 10. Nf5 Qe5 11. Bxc5 Qxc5 12. Qxb5 Qa7 13. O-O-O Nc6 14. g4 Rb8
15. Qd3 Ne5 16. Qd4 Qb7 17. Nd5 Nxd5 18. exd5 Nxf3 *
Position (FEN): 1rb1r1k1/1qpp1ppp/8/p2P1N2/3Q2P1/5n1P/PPP5/2KR1B1R w - - 0 19
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 477
Best move: Qxg7#