The extension adds a chart of count of solved problems to Timus Online Judge's profiles and comparator.

Features:

• A chart of count of solved problems in profiles and during comparison
• Adding more users to the chart, removing them, customizing legend colors
• Caching profile data
• Hiding the chart
• (optional) Highlighting problems accepted in recent two months

The extension is available for Chrome, Firefox (with Greasemonkey) and Opera. You can find full sources on GitHub.