Chess puzzle (Advantage)
Opening: Caro-Kann_Defense, Caro-Kann_Defense_Other_variations
Moves: 1. e4 c6 2. d4 g6 3. Nf3 Bg7 4. Nc3 d5 5. e5 Bg4 6. h3 Bxf3 7. Qxf3 e6 8. Bf4
Nd7 9. O-O-O Ne7 10. Kb1 b5 11. a3 a5 12. Nxb5 *
Position (FEN): r2qk2r/3nnpbp/2p1p1p1/pN1pP3/3P1B2/P4Q1P/1PP2PP1/1K1R1B1R b kq - 0 12
Black to move.
Themes:  Middlegame  
Puzzle rating: 1040
Best move: cxb5