Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Modern_Variations
Moves: 1. e4 c5 2. Nf3 d6 3. Bc4 a6 4. a3 e6 5. Nc3 b5 6. Ba2 Qc7 7. d3 Nf6 8. h3 Be7
9. O-O O-O 10. Bd2 Bb7 11. Re1 Nbd7 12. d4 cxd4 13. Nxd4 h6 14. f3 Rad8 15. b4
Nh5 16. f4 g6 17. Bxe6 fxe6 18. Nxe6 Qb6+ *
Position (FEN): 3r1rk1/1b1nb3/pq1pN1pp/1p5n/1P2PP2/P1N4P/2PB2P1/R2QR1K1 w - - 1 19
White to move.
Themes: Defensive Move Middlegame  
Puzzle rating: 930
Best move: Be3