Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Closed
Moves: 1. e4 c5 2. Nc3 d6 3. Bc4 e6 4. a3 Nf6 5. Ba2 Nc6 6. Nf3 Be7 7. O-O O-O 8. d4
cxd4 9. Nxd4 Nxd4 10. Qxd4 a6 11. f4 b6 12. Qf2 d5 13. e5 *
Position (FEN): r1bq1rk1/4bppp/pp2pn2/3pP3/5P2/P1N5/BPP2QPP/R1B2RK1 b - - 0 13
Black to move.
Themes: Pin Opening  
Puzzle rating: 1522
Best move: Bc5