Chess puzzle (Checkmate)
Opening: Blackmar-Diemer_Gambit_Accepted, Blackmar-Diemer_Gambit_Accepted_Ziegler_Defense
Moves: 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. f3 exf3 5. Nxf3 Nf6 6. Bc4 h6 7. O-O Bg4 8.
Bxf7+ Kxf7 9. Ne5+ Kg8 10. Nxg4 e6 11. Nxf6+ gxf6 12. Qg4+ Kf7 13. Ne4 Rg8 14.
Qh5+ Ke7 15. Be3 Qd5 16. Nxf6 *
Position (FEN): rn3br1/pp2k3/2p1pN1p/3q3Q/3P4/4B3/PPP3PP/R4RK1 b - - 0 16
Black to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 676
Best move: Qxg2#