Chess puzzle (Advantage)
Opening: Italian_Game, Italian_Game_Hungarian_Defense
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d3 Nf6 5. h3 d6 6. Nc3 O-O 7. Bg5 a5 8. a4
Na7 9. Nd5 *
Position (FEN): r1bq1rk1/npp1bppp/3p1n2/p2Np1B1/P1B1P3/3P1N1P/1PP2PP1/R2QK2R b KQ - 2 9
Black to move.
Themes:  Opening  
Puzzle rating: 1043
Best move: Nxd5