Chess puzzle (Advantage)
Opening: Four_Knights_Game, Four_Knights_Game_Spanish_Variation
Moves: 1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bb5 Bd6 5. d4 exd4 6. Nxd4 O-O 7. O-O Re8 8.
Re1 Bc5 9. Nb3 Bb6 10. a4 a5 11. Bf4 d6 12. h3 Bd7 13. Nd5 Ba7 14. Qe2 *
Position (FEN): r2qr1k1/bppb1ppp/2np1n2/pB1N4/P3PB2/1N5P/1PP1QPP1/R3R1K1 b - - 4 14
Black to move.
Themes:  Middlegame  
Puzzle rating: 1963
Best move: Nxd5