Chess puzzle (Checkmate)
Opening: Queens_Gambit_Accepted, Queens_Gambit_Accepted_Other_variations
Moves: 1. d4 d5 2. c4 dxc4 3. Nc3 e5 4. d5 c6 5. e4 Nf6 6. Bg5 cxd5 7. exd5 Bb4 8.
Bxc4 Qa5 9. Ne2 Ne4 10. Bd2 Bxc3 11. Bxc3 Qc5 12. b3 *
Position (FEN): rnb1k2r/pp3ppp/8/2qPp3/2B1n3/1PB5/P3NPPP/R2QK2R b KQkq - 0 12
Black to move.
Themes: Attacking f2 or f7 Opening Mate in 1 
Puzzle rating: 1011
Best move: Qxf2#