Terms of Service
What you're buying
A Chamber Day Pass costs $5 (USD) and opens the Hyperbolic Chess Chamber for 24 hours from the moment you enter. It is a one-time purchase — there is no subscription, no auto-renewal, and no recurring charge of any kind. Your first session is free.
Refunds
If something breaks — the chamber fails to open after payment, training is unusable due to a fault on our side, or you were charged in error — email support@hyperbolicchesschamber.com within 7 days and we'll refund the day, no questions asked. Refunds are not offered for completed training days or for change of mind after substantial use.
Your data
We store your training progress (games, module results, skill estimates) keyed to an anonymous browser session, and your email if you provide it (at payment or sign-in) so you can access your progress across devices and receive your session report. We don't sell your data or share it with anyone except the processors that run the service (payments via Stripe; AI coaching via Anthropic). Email support to have your data deleted at any time.
Fair use
One free first session per person. Automated access, scraping of training content, or resale of chamber access isn't permitted.
The obvious disclaimers
The chamber is a training tool provided as-is; we don't guarantee rating gains (though we're rooting for you). These terms may be updated as the service evolves; material changes will be noted in the app.
Questions: support@hyperbolicchesschamber.com · Back to the chamber