Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Wing_Gambit
Moves: 1. e4 c5 2. b4 c4 3. Bxc4 Qc7 4. d3 e6 5. Nc3 Bxb4 6. Bd2 Bc5 7. Nb5 Qb6 8. Nh3
a6 9. Nc3 Qc7 10. O-O Nc6 11. Re1 b5 12. Bb3 Nf6 13. a4 b4 14. Ne2 Bb7 15. Bf4
Bd6 16. Bxd6 Qxd6 17. Ng3 Qc7 18. d4 O-O 19. e5 Nd5 *
Position (FEN): r4rk1/1bqp1ppp/p1n1p3/3nP3/Pp1P4/1B4NN/2P2PPP/R2QR1K1 w - - 1 20
White to move.
Themes:  Middlegame  
Puzzle rating: 1106
Best move: Bxd5