Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Lowenthal_Variation
Moves: 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nxc6 bxc6 6. Bc4 Nf6 7. Nc3 Bb4 8.
f3 Bxc3+ 9. bxc3 O-O 10. O-O Qa5 11. Bd2 *
Position (FEN): r1b2rk1/p2p1ppp/2p2n2/q3p3/2B1P3/2P2P2/P1PB2PP/R2Q1RK1 b - - 4 11
Black to move.
Themes:  Middlegame  
Puzzle rating: 1368
Best move: Qc5+