Chess puzzle (Advantage)
Opening: Ruy_Lopez, Ruy_Lopez_Other_variations
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 Qf6 4. d3 h6 5. Nc3 Nge7 6. Be3 g5 7. g3 a6 8. Ba4
d6 9. Nd5 *
Position (FEN): r1b1kb1r/1pp1np2/p1np1q1p/3Np1p1/B3P3/3PBNP1/PPP2P1P/R2QK2R b KQkq - 1 9
Black to move.
Themes:  Opening  
Puzzle rating: 1325
Best move: Nxd5