simi-slav - tag
Semi-Slav is one of the most popular variations of Queen’s Gambit Declined. It can be reached by various move orders. Black builds a pawn triangle, c6-d5-e6 and with …dxc4, …a6 and …b5 mobilizes his queenside pawns. The light-squared bishop is placed on b7, once the diagonal is opened after …dxc4.