ECO code: D50
Queen's Gambit Declined: Been-Koomen Variation
Moves: 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 c5
This variation arises when Black challenges White's center immediately with 4...c5, striking at White's d4 pawn. The characteristic feature of the Been-Koomen Variation is this early counterattack on the center, aiming to undermine White's stronghold and gain active play for Black's pieces.
From Black's perspective, this move is active and somewhat attacking, as it contests the center rather than simply defending. For White, the position remains dynamic, requiring careful handling to maintain central control and piece activity.
Overall, this opening directly attacks the center, with Black seeking counterplay and challenging White's spatial advantage early in the game.
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 Declined: Been-Koomen Variation, and sharpen your opening mastery.
Puzzle 1 of 7 - Move #8 white