Boxel Rebound
Play over 50 levels of box-jumping madness! Design and share your own levels.
Train chess opening lines with spaced repetition — entirely in your browser popup.
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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
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Review related products from the Chrome Web Store detail page.
Play over 50 levels of box-jumping madness! Design and share your own levels.
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