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 c6 6. Bc4 Bg4 7. Bd2 e6 8. h3
Bh5 9. Qe2 Be7 10. Nd5 Qd8 11. Nxe7 Qxe7 12. O-O-O O-O 13. g4 Bg6 14. Ne5 Nbd7
15. f4 Nd5 16. h4 Nxe5 17. dxe5 h6 18. Rdf1 Qc5 19. Bxd5 *
Position (FEN): r4rk1/pp3pp1/2p1p1bp/2qBP3/5PPP/8/PPPBQ3/2K2R1R b - - 0 19
Black to move.
Themes: Queenside Attack Middlegame Mate in 1 
Puzzle rating: 1345
Best move: Qxc2#