Chess puzzle (Advantage)
Opening: Four_Knights_Game, Four_Knights_Game_Scotch_Variation_Accepted
Moves: 1. Nf3 Nf6 2. Nc3 Nc6 3. e4 e5 4. d4 exd4 5. Nxd4 Nxd4 6. Qxd4 d6 7. Bg5 Be7 8.
Bb5+ Bd7 9. Bxd7+ Qxd7 10. O-O O-O 11. Rad1 Qd8 12. Rfe1 Re8 13. Nd5 *
Position (FEN): r2qr1k1/ppp1bppp/3p1n2/3N2B1/3QP3/8/PPP2PPP/3RR1K1 b - - 7 13
Black to move.
Themes: Defensive Move, Discovered Attack, Hanging Piece Middlegame  
Puzzle rating: 918
Best move: Nxd5