D00-D99

The QGD with 4.Bg5. The most traditional way to pressure Black’s defense. White pins the knight to fight for the d5 square.

The QGD with 4.Bg5 Nbd7. Black prepares to support the center and avoid early tactical disasters. It is a very solid and reliable setup.

The Cambridge Springs Defense. Black counter-attacks on the queenside with the queen. It is a famous tactical system that sets many traps for White.

The QGD with 5.e3. White solidifies the center before finishing development. It leads to a very stable and safe positional edge for White.

The QGD Anti-Neo-Orthodox. White uses specific move orders to avoid Black's preferred defensive setups, leading to fresh strategic battles.

The QGD Classical Main Line with Nf3 and O-O. It is the height of chess classicism, focusing on piece coordination and slow improvement.

The Lasker Defense. Black simplifies the position by trading several pieces. It is an extremely effective drawing weapon at all levels.

The theoretical main line of the Lasker Defense. Both sides enter a simplified middle-game where White has a slight but persistent space advantage.

The Tartakower Defense (Makogonov-Bondarevsky). Black uses b6 to develop the bishop. It is one of the most resilient and respected systems in the QGD.

The main line of the Tartakower. A deeply analyzed positional battle where Black's solid structure compensates for White's space.