Chess puzzle (Checkmate)
Opening: Kings_Gambit_Accepted, Kings_Gambit_Accepted_MacLeod_Defense
Moves: 1. e4 e5 2. f4 Nc6 3. Nf3 exf4 4. Bc4 Qe7 5. Nc3 a6 6. d4 b5 7. Bb3 Na5 8. Bxf4
Nxb3 9. axb3 Bb7 10. O-O O-O-O 11. Bxc7 Kxc7 12. Rxa6 Qb4 13. Ra7 Kb8 14. Qa1
Be7 15. Nd5 Qd6 16. Qa5 Rc8 17. Ra1 Rc6 18. Ra8+ Bxa8 *
Position (FEN): bk4nr/3pbppp/2rq4/Qp1N4/3PP3/1P3N2/1PP3PP/R5K1 w - - 0 19
White to move.
Themes: Queenside Attack Middlegame Mate in 1 
Puzzle rating: 1457
Best move: Qxa8#