Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Old_Sicilian
Moves: 1. e4 c5 2. Nf3 Nc6 3. d3 e5 4. g3 d6 5. Nc3 Bg4 6. Bg2 Nf6 7. O-O Nd4 8. Nd5 *
Position (FEN): r2qkb1r/pp3ppp/3p1n2/2pNp3/3nP1b1/3P1NP1/PPP2PBP/R1BQ1RK1 b kq - 7 8
Black to move.
Themes:  Opening  
Puzzle rating: 1577
Best move: Nxd5