Chess puzzle (Advantage)
Opening: Vienna_Game, Vienna_Game_Omaha_Gambit
Moves: 1. e4 e5 2. Nc3 d6 3. f4 Nc6 4. d3 Nf6 5. Nf3 Bg4 6. Be2 Bxf3 7. Bxf3 Nd4 8.
fxe5 Nxf3+ 9. Qxf3 dxe5 10. Bg5 Be7 11. Nd5 *
Position (FEN): r2qk2r/ppp1bppp/5n2/3Np1B1/4P3/3P1Q2/PPP3PP/R3K2R b KQkq - 3 11
Black to move.
Themes:  Middlegame  
Puzzle rating: 1198
Best move: Nxd5