Colle System

Play as WhiteSystem

A simple, solid set-up that is easy to learn: develop, castle, then strike with e4.

The main line, move by move

1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Bd3 c5 5. b3 Nc6 6. O-O Bd6 7. Bb2 O-O 8. Nbd2

1. 1. d4 — Claim the center with the queen pawn and open lines for the queen and bishop.
2. 1... d5 — Black stakes a claim in the center.
3. 2. Nf3 — Brings the knight into the game.
4. 2... Nf6 — Brings the knight into the game.
5. 3. e3 — Open the bishop and build a solid center.
6. 3... e6 — Solid: support d5 and open the bishop on f8.
7. 4. Bd3 — Brings the bishop into the game.
8. 4... c5 — Strike at the white center.
9. 5. b3 — Prepare to bring the bishop to b2.
10. 5... Nc6 — Brings the knight into the game.
11. 6. O-O — Castle: your king gets safe and a rook joins the game.
12. 6... Bd6 — Brings the bishop into the game.
13. 7. Bb2 — Brings the bishop into the game.
14. 7... O-O — Castle: your king gets safe and a rook joins the game.
15. 8. Nbd2 — Brings the knight into the game.

Related openings

• London System
• Catalan
• English Opening
• Reti Opening
• Trompowsky Attack

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