QGD: 4.Bg5 Be7 5.e3 O-O

ECO code: D53

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O

Opening Name: Queen's Gambit Declined: 4.Bg5 Be7 5.e3 O-O

Moves: 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O

Description: This line in the Queen's Gambit Declined features White pinning Black's knight on f6 with 4.Bg5, aiming to increase pressure on Black's center and kingside. Black responds solidly with 4...Be7, unpinning the knight and preparing to castle. White's 5.e3 supports the center and opens lines for the dark-squared bishop, while Black castles with 5...O-O, ensuring king safety.

Characteristic: The move 4.Bg5 is a thematic pin in the QGD that challenges Black's knight and can lead to pressure on the d5 pawn. The setup is classical and solid, focusing on sound development rather than immediate tactical strikes.

Attacking or Defensive: From White's perspective, this is a balanced approach with slight attacking intentions, aiming to exert pressure on Black's center and kingside. Black plays solid and mostly defensive moves, focusing on completing development and maintaining a strong pawn structure.

Center Control: Both sides contest the center actively. White's c4 and d4 pawns challenge Black's d5 pawn, while Black’s e6 and d5 form a strong defensive barrier. This opening is very much about fighting for central control, though the immediate moves focus more on development and piece placement rather than direct center breaks.

Opening Preview

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.

Related Puzzles

Practice puzzles and train your tactics with real positions from games that used the QGD: 4.Bg5 Be7 5.e3 O-O, and sharpen your opening mastery.

Puzzle 1 of 4 - Move #9 black