Chess puzzle (Advantage)
Opening: Slav_Defense, Slav_Defense_Other_variations
Moves: 1. d4 c6 2. c4 d5 3. Nc3 Nf6 4. Bg5 Nbd7 5. Nf3 h6 6. Bh4 dxc4 7. e4 b5 8. e5
Nd5 9. Nxd5 cxd5 10. a4 Qa5+ 11. Nd2 b4 12. Bxc4 *
Position (FEN): r1b1kb1r/p2nppp1/7p/q2pP3/PpBP3B/8/1P1N1PPP/R2QK2R b KQkq - 0 12
Black to move.
Themes:  Middlegame  
Puzzle rating: 1301
Best move: dxc4