D05 · Queen's Pawn Game
Queen's Pawn Game: Colle System
1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Bd3
In the Queen's Pawn Game: Colle System, aim to understand the plans and pawn structures, not just memorize the first moves.
The Queen's Pawn Game: Colle System is a chess opening classified under ECO code D05. It is reached after the moves 1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Bd3: 7 moves in, with Black to play.
It belongs to the Queen's Pawn Game family — one of many ways the line can branch. Understanding the parent system’s plans is the fastest way to play this variation well.
Club players rarely lose the Queen's Pawn Game: Colle System in the opening itself. They lose it a few moves later, when the plan behind the moves runs out: that is what reading your own games in this line shows you.
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