Colle System

Chessboard showing the Colle System with the moves 1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Bd3 played
Contents
Learn the Opening
Play against Stockfish

Studies about the Colle System

Learn the Colle System using public studies.

Play against Stockfish

Play the Colle System
Play against the Colle System

Do you want to try out the Colle System? Train this opening against Stockfish.

Play against Stockfish either as white or black and explore the opening.