Opening Explorer

Control the center — d4 is the backbone of the London System.

Black mirrors with a central pawn.

Develop the knight, supporting d4 and preparing Bf4.

Black develops and fights for e4.

The signature London bishop — active outside the pawn chain!

Black reinforces d5 and prepares to develop the dark bishop.

Complete the pawn triangle: d4-e3 is rock solid.

Black chooses the classical bishop development.

Prophylaxis — prevents Ng4 or Bg4 harassing your bishop.

Black castles to safety.

The bishop eyes h7. White is ready to castle and attack.

Black challenges White's center with the thematic c5 break.