Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_French_Variation
Moves: 1. e4 c5 2. Nf3 e6 3. d3 a6 4. g3 Qc7 5. Bf4 d6 6. Nc3 b5 7. a3 Bb7 8. Qe2 Nf6
9. Bg5 Be7 10. Bxf6 Bxf6 11. Bg2 Nd7 12. O-O b4 13. axb4 cxb4 14. Nd1 O-O 15.
d4 Rac8 16. Rc1 a5 17. c3 Qb6 18. Ne3 Bxe4 19. Nc4 Qb7 *
Position (FEN): 2r2rk1/1q1n1ppp/3ppb2/p7/1pNPb3/2P2NP1/1P2QPBP/2R2RK1 w - - 2 20
White to move.
Themes:  Middlegame  
Puzzle rating: 874
Best move: Nxd6