Chess puzzle (Checkmate)
Opening: Scotch_Game, Scotch_Game_Other_variations
Moves: 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nge7 5. Nc3 Nxd4 6. Qxd4 Nc6 7. Qe3 Bb4
8. Bd2 d6 9. a3 Ba5 10. b4 Bb6 11. Qg3 Qf6 12. O-O-O a5 13. b5 Ne5 14. Nd5 Nd3+
15. Qxd3 *
Position (FEN): r1b1k2r/1pp2ppp/1b1p1q2/pP1N4/4P3/P2Q4/2PB1PPP/2KR1B1R b kq - 0 15
Black to move.
Themes:  Opening Mate in 1 
Puzzle rating: 1146
Best move: Qa1#