ECO code: D53
Opening Name: Queen’s Gambit Declined (QGD): 4.Bg5 Be7 5.Nf3 O-O
Moves: 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. Nf3 O-O
Description: This line in the Queen’s Gambit Declined features White’s bishop pinning Black’s knight on f6 early with 4.Bg5, aiming to increase pressure on Black’s center and possibly provoke weaknesses. Black responds solidly by developing the bishop to e7, breaking the pin, and then castles kingside to ensure safety and complete development. White’s 5.Nf3 supports the center and prepares for smooth piece coordination.
Characteristic: The move 4.Bg5 is a classic thematic pin in the QGD, challenging Black’s knight and indirectly targeting the d5 pawn. Black’s 4...Be7 is a flexible and resilient response, unpinning the knight and maintaining a solid pawn structure. This setup avoids immediate tactical complications and keeps the position balanced.
Attacking or Defensive: As White, this line is mildly attacking — White applies pressure on Black’s knight and center, aiming for active piece play. As Black, the approach is primarily defensive and solid, focusing on maintaining a strong, unbroken pawn chain and safely completing development.
Center Control: Both sides contest the center actively. White challenges the d5 pawn with c4, and Black supports it with e6 and solid piece placement. The opening is centered around controlling and maintaining a strong presence in the center rather than immediate central breakthroughs.
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 QGD: 4.Bg5 Be7 5.Nf3 O-O, and sharpen your opening mastery.
Puzzle 1 of 17 - Move #8 black