Chess Lines

Train chess opening lines with spaced repetition — entirely in your browser popup.

Train Your Chess Openings With Spaced Repetition Chess Lines helps you memorize and review your opening repertoire with simple, flashcard‑style drills directly in a clean browser popup. Pick a line, run through the key moves, and let spaced repetition handle when to test you again so the lines actually stick. How It Works - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Add the extension to Chrome - Open the Chess Lines popup from your toolbar - Choose an opening line and start training - Revisit lines at the right time using spaced repetition, so you don’t forget critical moves Pricing - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Chess Lines costs $10 (one-time) for lifetime access. After you add the extension, you can purchase and unlock full access from inside the extension via a secure checkout. If you want to unlock all the lines, you’ll see a simple paywall screen with a link to buy and a place to enter your license key. This extension uses an in‑extension paywall and external payment processor; there are no additional subscriptions or hidden fees. Who It’s For - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Club players who want a structured way to drill their repertoire - Online grinders who keep forgetting move orders in sharp lines - Anyone who prefers focused, distraction‑free training in a small popup rather than a full website