Chess puzzle (Checkmate)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Albin_Countergambit
Moves: 1. d4 d5 2. c4 e5 3. dxe5 f6 4. exf6 Nxf6 5. Nc3 Bb4 6. Qc2 d4 7. Qa4+ Nc6 8.
a3 dxc3 9. axb4 Bf5 10. bxc3 Ne4 11. Bb2 *
Position (FEN): r2qk2r/ppp3pp/2n5/5b2/QPP1n3/2P5/1B2PPPP/R3KBNR b KQkq - 2 11
Black to move.
Themes:  Opening Mate in 1 
Puzzle rating: 719
Best move: Qd2#