Chess puzzle (Advantage)
Opening: Caro-Kann_Defense, Caro-Kann_Defense_Advance_Variation
Moves: 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. c4 Nd7 6. Nc3 Ne7 7. Bd3 Bxd3 8. Qxd3
Nf5 9. O-O Nb6 10. b3 c5 11. a4 cxd4 12. Nxd4 *
Position (FEN): r2qkb1r/pp3ppp/1n2p3/3pPn2/P1PN4/1PNQ4/5PPP/R1B2RK1 b kq - 0 12
Black to move.
Themes:  Middlegame  
Puzzle rating: 1398
Best move: dxc4