Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Open
Moves: 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. Nc3 e5 7. Bg5 Be7 8.
Be2 O-O 9. Qd2 Bb4 10. O-O-O Qa5 *
Position (FEN): r1b2rk1/p2p1ppp/2p2n2/q3p1B1/1b2P3/2N5/PPPQBPPP/2KR3R w - - 8 11
White to move.
Themes:  Middlegame  
Puzzle rating: 1389
Best move: Bxf6