Chess puzzle (Advantage)
Opening: Philidor_Defense, Philidor_Defense_Exchange_Variation
Moves: 1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 Qe7 7. O-O Qd7 8.
Bg5 Be7 9. Re1 O-O 10. Nd5 *
Position (FEN): rnb2rk1/1ppqbppp/p2p1n2/3N2B1/2BNP3/8/PPP2PPP/R2QR1K1 b - - 9 10
Black to move.
Themes:  Opening  
Puzzle rating: 983
Best move: Nxd5