New Player
0-0GO!
Cloudflare development build · Phase 5
Open Play joins the Cloudflare version.
White Board, leagues, tournaments and now Open Play all run directly against D1 on the development site.
DEV
Development
Separate from production
Everything on this site uses the Cloudflare development database. The live Google Sheet and Apps Script app are untouched.
Returning Player
Get My Private Link
My 0-0-Go!
Not logged in
Register or open your private link to use the Cloudflare White Board.
Signed in
Player
Quick Tournament
Create a White Board Tournament
My Quick Tournaments
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Player Profile
Edit My Profile
Leagues & Events
Sign in with your private link
Registered-player leagues and tournaments use your 0-0-Go! player profile.
Join
Join a League/Event
Create
Create a League/Event
Ladder, random partners, fixed partners, one-day or multi-day.
My Registered Leagues & Events
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Public
Recent Public Leagues & Events
Open this tab to load public leagues.
Open Play
Sign in with your private link
Open Play uses your 0-0-Go! player profile for check-in, scoring and fair rotation.
Join
Join Open Play
Admin
Start Open Play
Create a session, share the code, then make rounds as players arrive.
My Open Play Sessions
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Phase 6B · DEV ONLY
Production Snapshot Migration
This page imports a read-only snapshot exported from the production Google Sheet into zerozerogo-dev. It does not write to the production Sheet.
Important: The final import replaces the current DEV app data. It does not touch production.
1 · Authorization
Migration Key
2 · Snapshot
Select Export JSON
No snapshot selected.
Email Test
Cloudflare Email Delivery
Sends one test email to the player currently signed into this DEV private link.
3 · Preview
Validate Before Writing Anything
Migration Progress
1 · FoundationWorker + D1
2 · PlayersPrivate links
3 · White BoardTournament scoring
4 · LeaguesRegistered formats
5 · Open PlayRotation + scoring