Chess Lines

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.