Chess puzzle (Checkmate)
Opening: Kings_Gambit_Accepted, Kings_Gambit_Accepted_Mason-Keres_Gambit
Moves: 1. e4 e5 2. f4 exf4 3. Nc3 Qh4+ 4. Ke2 d5 5. Nxd5 Bg4+ 6. Nf3 Bxf3+ 7. gxf3 Bd6
8. d3 Nc6 9. Bd2 *
Position (FEN): r3k1nr/ppp2ppp/2nb4/3N4/4Pp1q/3P1P2/PPPBK2P/R2Q1B1R b kq - 2 9
Black to move.
Themes:  Opening Mate in 1 
Puzzle rating: 871
Best move: Nd4#