Chess puzzle (Checkmate)
Opening: Englund_Gambit_Complex, Englund_Gambit_Complex_Englund_Gambit
Moves: 1. d4 e5 2. dxe5 Nc6 3. Nf3 Qe7 4. Bf4 Qb4+ 5. Bd2 Qxb2 6. Nc3 Bb4 7. Rb1 Qa3
8. Nb5 Qa5 9. Bxb4 Nxb4 10. Nxc7+ Kd8 11. Nxa8 *
Position (FEN): N1bk2nr/pp1p1ppp/8/q3P3/1n6/5N2/P1P1PPPP/1R1QKB1R b K - 0 11
Black to move.
Themes: Double Check Opening Mate in 1 
Puzzle rating: 652
Best move: Nd3#