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mdk CASSCheck Chess.com & Lichess opponents · Browser-based, privacy-conscious scan
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Local browser history in useBrowser 2.1.0-dev.38

Scan Setup

Public profiles only · No sign-in required for a basic scan.Up to 100 names; separate with commas or semicolons (spaces are not separators). Prefix chesscom: or lichess: for the site.
Optional conditions are edited in a separate dialog.
Game history range
Scan opponent rating history
Hover to show preset ranges; press Down Arrow for keyboard choices, or click to open the range dialog. Changes are saved immediately.

New scans save available results in this browser automatically.

Enter a Chess.com or Lichess username to begin.

Progress

Ready to scan public accounts.
Current task: idle
Network task: idle
Idle
No active scan.

Results

No scan results yet. Run a scan or open a saved baseline to view closed accounts.
Troubleshooting
Types: WARN + ERROR
Display only. Copy Log includes every level.
This session · local only · last 128 KiB