Chess puzzle (Checkmate)
Opening: Scandinavian_Defense, Scandinavian_Defense_Valencian_Variation
Moves: 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd8 4. Nf3 Nf6 5. d4 e6 6. Be3 a6 7. Bd3 b5 8. O-O
Bb7 9. h3 Nbd7 10. Nh2 Nb6 11. f4 Be7 12. f5 exf5 13. Bxf5 Nbd5 14. Nxd5 Qxd5
15. Ng4 *
Position (FEN): r3k2r/1bp1bppp/p4n2/1p1q1B2/3P2N1/4B2P/PPP3P1/R2Q1RK1 b kq - 1 15
Black to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 584
Best move: Qxg2#