Queens Gambit Accepted Central Variation Clearance in Chess

In the Queens Gambit Accepted Central Variation, the defining feature is the early central tension after 1.d4 d5 2.c4 dxc4. “Clearance” means using a pawn or exchange to remove a piece/pawn that blocks your central or diagonal lines, so your queens, rooks, and bishops can operate on the newly opened files and diagonals. In practice, it often shows up when White or Black plays a central pawn break or captures to open lines after the accepted pawn has been dealt with.