Chess Opener Lite

Free chess opening tree with ECO encyclopedia and side-by-side move comparison.

iOSEmergingApp Store (US)★ 4.1 · 17 ratingsGoogle Play (US)10K+ downloadsfree

A mobile app that provides a free opening tree and ECO encyclopedia with side-by-side move comparison. It helps players who need a cost-free way to study and compare opening lines and ECO theory. Intended for chess players seeking a reference and training tool focused on openings.

Website iOS Android

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