Chess puzzle (Checkmate)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Accelerated_London_System
Moves: 1. d4 d5 2. Bf4 Bf5 3. e3 h6 4. Nf3 e6 5. h3 a6 6. Nbd2 Bb4 7. c3 Ba5 8. Ne5
Nf6 9. g4 Bh7 10. Nb3 Bb6 11. Bd3 Ne4 12. f3 Qh4+ 13. Ke2 *
Position (FEN): rn2k2r/1pp2ppb/pb2p2p/3pN3/3PnBPq/1NPBPP1P/PP2K3/R2Q3R b kq - 2 13
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1056
Best move: Qf2#