1 d4 d5 2 c4 c6 3 Nf3 dxc4 During the course of this 60 mins DVD, join with Andrew Martin as he examines a sharp line of the Slav which involves an early capture on c4. The subject matter covers 3 Nf3 dxc4!?. Without a White Knight on c3 the positon becomes radically different to the earlier line, but the idea of disruption is still the key to understanding Black's play. Black wants White to worry about the pawn on c4 and make mistakes as he tries to frantically get it back!