Chess puzzle (Checkmate)
Opening: Horwitz_Defense, Horwitz_Defense_Other_variations
Moves: 1. d4 e6 2. c4 Nc6 3. Nc3 Bb4 4. Bd2 Nxd4 5. a3 Ba5 6. b4 Bxb4 7. axb4 Nf6 8.
e3 Nc6 9. b5 Nb4 10. Nb1 Ne4 11. Bxb4 Qf6 12. Nd2 *
Position (FEN): r1b1k2r/pppp1ppp/4pq2/1P6/1BP1n3/4P3/3N1PPP/R2QKBNR b KQkq - 2 12
Black to move.
Themes: Attacking f2 or f7 Opening Mate in 1 
Puzzle rating: 1230
Best move: Qxf2#