Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Modern_Variations
Moves: 1. e4 c5 2. Nf3 d6 3. Bc4 g6 4. O-O Bg7 5. c3 Nc6 6. d4 cxd4 7. Nxd4 a6 8. Nxc6
bxc6 9. Qf3 Nf6 10. Bg5 e6 11. Rd1 O-O *
Position (FEN): r1bq1rk1/5pbp/p1pppnp1/6B1/2B1P3/2P2Q2/PP3PPP/RN1R2K1 w - - 2 12
White to move.
Themes:  Middlegame  
Puzzle rating: 1613
Best move: e5