Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Najdorf_Variation
Moves: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 Qc7 7. Bd3 e5 8. Nf3
Bg4 9. h3 Bxf3 10. Qxf3 Nc6 11. a3 Nd4 12. Qg3 Nxc2+ *
Position (FEN): r3kb1r/1pq2ppp/p2p1n2/4p3/4PP2/P1NB2QP/1Pn3P1/R1B1K2R w KQkq - 0 13
White to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 852
Best move: Bxc2