ECO D04 · for White
Colle System
The line below is what Lichess 1600-1800 players actually play: after the opening's defining moves, each move is the most common choice at that point. The notes are Chessbook's move notes, the same ones shown while building a repertoire.
3,320,978 games in this band reached the Colle System position. From there White won 50% and drew 5%.
1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Bd3 c5 5. c3 Nc6 6. Nbd2 Bd6 7. O-O O-O
Moves 1 to 2
1. d4 d5 2. Nf3 Nf6
1. d4
The Queen's Pawn opening is more usually more positional in nature, White intends to develop the pieces while having a share of the center.
1... d5
Controlling the center and opening up the diagonal for the light-Squared bishop
2. Nf3
Developing the knight first to avoid the Albin Countergambit and some other early 2nd moves for Black.
2... Nf6
Contesting the center and preparing for kingside castling. This move is part of many common openings, such as the Queen's Gambit and the King's Indian Defense.
Moves 3 to 4
3. e3 e6 4. Bd3 c5
3. e3
Freeing the dark-squared bishop and preparing to develop the light-squared bishop. This move is solid but somewhat passive, as it doesn't challenge Black's control of the center immediately.
3... e6
4. Bd3
4... c5
Moves 5 to 6
5. c3 Nc6 6. Nbd2 Bd6
5. c3
5... Nc6
6. Nbd2
6... Bd6
Move 7
7. O-O O-O
7. O-O
7... O-O
Plans for White in this position
What White usually does from here in Chessbook's games data. Hover a move to see it on the board.
- The pawn on d4 typically captures the pawn on c5
- The knight on d2 or bishop on d3 generally recaptures the knight on e4
- The pawn on e4 usually captures the pawn on d5
- The queen often develops to e2
- Common pawn moves are e4 and e5
Related opening guides
- Italian Game for White
- Queen's Gambit for White
- English Opening for White
- Bishop's Opening for White
- Zukertort Opening for White
- Ruy Lopez for White