Chess opening · ECO D05
Queen's Pawn Game: Colle System
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1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. b3
Queen's Pawn Game: Colle System is catalogued under ECO code D05. It is reached after 4 moves (7 half-moves): 1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. b3. After the last move it is Black to play. White opens 1. d4. It is a named variation of the Queen's Pawn Game, which has 82 catalogued lines in total.
Comes from
More Queen's Pawn Game lines
- Queen's Pawn Game: Barry AttackA48
- Queen's Pawn Game: Colle SystemD05
- Queen's Pawn Game: London SystemD02
- Queen's Pawn Game: Torre AttackD03
- Queen's Pawn Game: Colle SystemD04
- Queen's Pawn Game: Anglo-Slav OpeningA40
- Queen's Pawn Game: Rossolimo VariationA41
- Queen's Pawn Game: Chigorin VariationA45