ECO code: D24
Queen's Gambit Accepted: Bogoljubov Defense
Moves: 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. Nc3 a6 5. e4
This variation of the Queen's Gambit Accepted features Black playing 4...a6, known as the Bogoljubov Defense. The move ...a6 is characteristic because it prepares ...b5 to hold on to the extra pawn on c4 while preventing White’s pieces, especially the knight or bishop, from easily jumping to b5. It also gives Black more control over the queenside structure.
For White, the move 5. e4 is an assertive, attacking move that aims to gain strong control of the center, leveraging the lead in development and space. White aggressively occupies the center with pawns, which is a key theme in the Queen’s Gambit Accepted, trying to exploit the momentary looseness of Black’s position.
Black’s setup with ...a6 is somewhat flexible but leans towards a defensive stance initially, as Black tries to hold the pawn on c4 and develop counterplay on the queenside. However, Black can also counterattack later if White overextends.
Summary: This line is an attacking choice for White, focusing on rapid central control and space advantage. It directly challenges the center early on. Black’s ...a6 move is a preparatory, somewhat defensive maneuver aimed at maintaining the pawn on c4 and controlling key squares on the queenside.
This opening is defined by the position shown on the board below. The moves displayed are a typical sequence that leads to it, but different sequences can reach the same position and still carry the same opening name.
Practice puzzles and train your tactics with real positions from games that used the Queen's Gambit Accepted: Bogoljubov Defense, and sharpen your opening mastery.
Puzzle 1 of 1 - Move #36 black