Chess Lines

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

Opening Reps for Chess is a popup-based chess opening trainer built for quick daily practice. Click the extension icon, choose an opening, and drill your lines move by move on an interactive board. The extension tracks your progress, schedules lines for review, and helps you build opening recall over time without leaving your browser. What you can do Practice built-in chess opening lines directly in the Chrome popup Review due lines with simple spaced repetition Track line-level progress, mastery, and review history Switch between White and Black repertoires Browse openings and lines in a compact library view Keep your progress saved locally on your device Designed for fast training Popup-first interface for quick reps Simple controls for hint, retry, restart, and next line Built for regular short sessions instead of long study sessions How progress works Your training progress is saved locally in the extension Each line tracks attempts, mistakes, completions, and review timing Due reviews help you revisit lines at the right time Important notes This extension uses built-in opening content No PGN import or custom repertoire editing is included Progress is stored locally on your installed browser profile License Installation is through the Chrome Web Store. Full access may require a paid one-time license purchased from the developer’s website. The Chrome Web Store does not process this payment.