Free core
The blocker, chess gates, local settings, and basic stats stay useful before anyone pays.
Chess Website Blocker for Chrome
Beat the board before the feed gets a turn.
GambitBlock turns distracting tabs into short chess gates: solve a tactic, follow an opening line, then unlock the site for a little while.
Blocked · tiktok.com
This tab is protected by chess.
Access granted
The site unlocks for 10 minutes.
Designed for quick restraint
Pick the kind of friction you will actually respect.
Lock preview
Level 10 tactic · 10 minute unlock
Challenge type
Unlock window
Blocked sites
Chess-first
Tactics and book-line practice make the lock feel earned, not arbitrary.
Pro when it matters
Paid accounts unlock schedules, hard-mode lock windows, and deeper streak history.
Pricing Plans
Compare plans.
GambitBlock is headed for the Chrome Web Store with a useful free plan and an optional Pro upgrade for stricter blocking.
Core chess gates, default blocked sites, local settings, and basic stats.
Schedules, hard mode, deeper streak history, and billing cancellation from the website.
Account and billing
Cancel from the website when Pro is live.
GambitBlock uses Stripe Checkout and Stripe Customer Portal for payments, cancellation, invoices, and card updates. The extension only stores a local session token and checks whether your account has Pro enabled.