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Chess Lines

Chess Lines

Chess openings with spaced repetition right in your browser

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Chess Lines is a Chrome extension that drills your opening repertoire using spaced repetition. Practice move-by-move, get quizzed at the right intervals, and actually retain the lines you study. Works 100% offline — no account, no sync required. Free plan includes 6 lines. Lifetime upgrade ($10) unlocks all 86 lines across 23 openings for both White and Black.

Chess Lines makers

Here are the founders, developers, designers and product people who worked on Chess Lines