Chess puzzle (Checkmate)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Zukertort_Variation
Moves: 1. d4 d5 2. Nf3 Bf5 3. Bf4 Nf6 4. Nbd2 e6 5. c3 c5 6. dxc5 Bxc5 7. Nd4 Nc6 8.
Nxf5 exf5 9. Nf3 O-O 10. Bg5 Ne4 11. Bxd8 *
Position (FEN): r2B1rk1/pp3ppp/2n5/2bp1p2/4n3/2P2N2/PP2PPPP/R2QKB1R b KQ - 0 11
Black to move.
Themes: Attacking f2 or f7 Middlegame Mate in 1 
Puzzle rating: 1084
Best move: Bxf2#