Chess puzzle (Checkmate)
Opening: Scandinavian_Defense, Scandinavian_Defense_Main_Line
Moves: 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Nf3 Bg4 6. Be2 c6 7. Bd2 e6 8.
Ne4 Qc7 9. Nxf6+ gxf6 10. Be3 Nd7 11. Qd3 a5 12. O-O-O Bf5 13. Qc3 Bb4 14. Qc4
Nb6 15. Qb3 Nd5 16. Bc4 a4 17. Bxd5 cxd5 18. Qxb4 *
Position (FEN): r3k2r/1pq2p1p/4pp2/3p1b2/pQ1P4/4BN2/PPP2PPP/2KR3R b kq - 0 18
Black to move.
Themes: Queenside Attack Middlegame Mate in 1 
Puzzle rating: 490
Best move: Qxc2#