Chess puzzle (Advantage)
Opening: Queens_Gambit_Accepted, Queens_Gambit_Accepted_Slav_Gambit
Moves: 1. d4 d5 2. c4 dxc4 3. Nf3 b5 4. e3 Nf6 5. a4 c6 6. Nc3 e6 7. axb5 cxb5 8. Nxb5
Nc6 9. Bxc4 Bb4+ 10. Nc3 O-O 11. O-O Bb7 12. b3 *
Position (FEN): r2q1rk1/pb3ppp/2n1pn2/8/1bBP4/1PN1PN2/5PPP/R1BQ1RK1 b - - 0 12
Black to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 897
Best move: Bxc3