Chess puzzle (Advantage)
Opening: Ruy_Lopez, Ruy_Lopez_Classical_Variation
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. c3 a6 5. Ba4 b5 6. Bb3 Nf6 7. d4 exd4 8. cxd4
Bb4+ 9. Nc3 Nxe4 10. Qe2 d5 11. Bd2 Bxc3 12. bxc3 O-O 13. O-O Re8 14. Qd3 Qf6
15. Bxd5 Bf5 16. Bg5 *
Position (FEN): r3r1k1/2p2ppp/p1n2q2/1p1B1bB1/3Pn3/2PQ1N2/P4PPP/R4RK1 b - - 2 16
Black to move.
Themes:  Middlegame  
Puzzle rating: 1205
Best move: Nxg5