Chess puzzle (Checkmate)
Opening: Scandinavian_Defense, Scandinavian_Defense_Portuguese_Variation
Moves: 1. e4 d5 2. exd5 Nf6 3. d4 Bg4 4. Nf3 Qxd5 5. Be2 Nc6 6. c4 Qf5 7. h3 Bxf3 8.
Bxf3 O-O-O 9. Bxc6 Qe6+ 10. Be3 Qxc6 11. O-O Qxc4 12. Na3 Qb4 13. Rc1 e5 14.
Qc2 Qa5 15. Nc4 Qd5 16. Nb6+ axb6 *
Position (FEN): 2kr1b1r/1pp2ppp/1p3n2/3qp3/3P4/4B2P/PPQ2PP1/2R2RK1 w - - 0 17
White to move.
Themes: Queenside Attack Middlegame Mate in 1 
Puzzle rating: 515
Best move: Qxc7#