The Colle-Zukertort System is a variant of the Colle System for white, and is distinguished from the latter by a queenside fianchetto (b3 and Bb2).

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Play Colle system as black?

I'm fascinated by the Colle system, but I'm not sure if it's applicable when you play as black. Does anyone have experience in this?
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Do Barry attack and 150 attack really work that well with Colle-Zukertort?

As I was looking for advice on Colle-Zukertort as described here, I found additional info about 2 other attacks that can be used to improve my repertoire pretty efficiently. Here is the information I ...
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Is Colle-Zukertort a good way to improve beginner play?

I'm still trying to improve my repertoire and building more towards aggressive openings which I find to better fit my playing style. Colle-Zukertort seems like a popular one and I've seen it ...