Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_McDonnell_Attack
Moves: 1. e4 c5 2. f4 d5 3. exd5 Nf6 4. Nc3 Nxd5 5. Nxd5 Qxd5 6. Nf3 Nc6 7. b3 Bg4 8.
Be2 O-O-O 9. O-O *
Position (FEN): 2kr1b1r/pp2pppp/2n5/2pq4/5Pb1/1P3N2/P1PPB1PP/R1BQ1RK1 b - - 4 9
Black to move.
Themes:  Opening  
Puzzle rating: 1217
Best move: Bxf3