Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Other_variations
Moves: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 g6 6. Be3 Bg7 7. Bb5 Bd7 8.
O-O Nf6 9. Qd2 a6 10. Ba4 b5 11. Bb3 a5 12. Ncxb5 Nxd4 13. Qxd4 *
Position (FEN): r2qk2r/3bppbp/3p1np1/pN6/3QP3/1B2B3/PPP2PPP/R4RK1 b kq - 0 13
Black to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 1254
Best move: Bxb5