Openings Theory
Discover the first steps to control the board and understand opening plans without random memorization.
Opening names, ECO codes, and reference lines are aligned with the curated Lichess chess-openings dataset. Plans are concise instructional guidance, not game-result statistics.
C50
Beginner
Italian Game
A classical opening that develops quickly, pressures f7, and keeps flexible options for opening the center.
Reference line
1. e4 e5 2. Nf3 Nc6 3. Bc4
Main idea: Develop the knight and bishop to active squares.
D02
Beginner
London System
A flexible White system based on Bf4, Nf3, and a solid structure, with plans that change according to Black's setup.
Reference line
1. d4 d5 2. Nf3 Nf6 3. Bf4
Main idea: Develop the bishop before e3 can restrict it.