Colle System (D04)

D04 · Chess Openings Reference Guide
Openings Directory / Colle System

Target Position

♜ ♞ ♝ ♛ ♚ ♝ ♜ ♟ ♟ ♟ ♟ ♟ ♟ ♟ ♞ ♟ ♟ ♞ ♟ ♟ ♟ ♟ ♟ ♟ ♟ ♜ ♞ ♝ ♛ ♚ ♝ ♜
Engine Eval: +0.13

Master Game Statistics

Based on master-level chess games in the database.

White Wins: 42.0% Draws: 24.5% Black Wins: 33.5%

Strategic Overview

The Colle System (ECO code D04) is a key chess opening. From the starting board position, it is defined by the following move sequence:

Move Sequence (SAN)
1. d4 d5 2. Nf3 Nf6 3. e3
UCI Move Path
d2d4 d7d5 g1f3 g8f6 e2e3
Repertoire Training

Import this opening directly into your client-side repertoires to drill or review using spaced repetition.

Internal Navigation

Variations in this Family

Select a variation to view specific move paths, engine evaluations, and stats: