Chess puzzle (Checkmate)
Opening: Four_Knights_Game, Four_Knights_Game_Italian_Variation
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. Nc3 Nf6 5. Ng5 O-O 6. Qf3 Nd4 7. Qd1 d5 8.
Bd3 Nxe4 9. Ngxe4 dxe4 10. Nxe4 Bb6 11. c3 Nb3 12. Qxb3 Qxd3 13. Ng3 Bg4 14. f3
Be6 15. Qb4 Bc4 16. b3 Ba6 17. Qe4 Rad8 18. Ba3 *
Position (FEN): 3r1rk1/ppp2ppp/bb6/4p3/4Q3/BPPq1PN1/P2P2PP/R3K2R b KQ - 4 18
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1122
Best move: Qxd2#