Colle System: A Simple, Strong Opening Choice - Chessable Blog

The Colle System is an excellent opening for beginners and stronger players alike.

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I made a huge catalog of chess openings for beginner/intermediate players. : r/chess

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Colle System: A Simple, Strong Opening Choice - Chessable Blog

Book Review: Keep it Simple 1.d4 by IM Christof Sielecki : r/chess