Chess puzzle (Checkmate)
Opening: Kings_Gambit_Declined, Kings_Gambit_Declined_Queens_Knight_Defense
Moves: 1. e4 Nc6 2. f4 e5 3. d3 Bc5 4. Nf3 exf4 5. Bxf4 Qf6 6. Bxc7 Qxb2 7. Nbd2 d6 8.
Nc4 Bb4+ 9. Ke2 Nd4+ 10. Nxd4 Qxd4 11. Rb1 *
Position (FEN): r1b1k1nr/ppB2ppp/3p4/8/1bNqP3/3P4/P1P1K1PP/1R1Q1B1R b kq - 1 11
Black to move.
Themes:  Opening Mate in 1 
Puzzle rating: 1036
Best move: Bg4#