Chess puzzle (Checkmate)
Opening: Russian_Game, Russian_Game_Stafford_Gambit
Moves: 1. e4 e5 2. Nf3 Nf6 3. Nxe5 Nc6 4. Nxc6 dxc6 5. Qe2 Bc5 6. h3 h5 7. c3 O-O 8.
d4 Nxe4 9. dxc5 Nxc5 10. Be3 g6 11. Bxc5 Re8 12. Be3 Bf5 13. Nd2 Qf6 14. Qf3
Rad8 15. g4 Qd6 16. gxf5 *
Position (FEN): 3rr1k1/ppp2p2/2pq2p1/5P1p/8/2P1BQ1P/PP1N1P2/R3KB1R b KQ - 0 16
Black to move.
Themes: Pin Middlegame Mate in 1 
Puzzle rating: 655
Best move: Qxd2#