Engine. Database. Repertoire.
One workspace.

Cloud Stockfish and LC0, MinoDB game search, your repertoire, and live broadcasts — without the tab-switching. Built by FM Jiangwei Yu for serious tournament players.

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Cloud engine. Your GUI. Zero setup.
Stockfish 18 and LC0 in the browser. Or route them through the UCI bridge to Arena, Nibbler, or Scid — no configuration required.
Millions of games, one search.
MinoDB lets you filter by player, opening, result, and date. Study any position from real tournament practice.
Build lines. Watch them played live.
Maintain your opening repertoire with engine eval inline. Follow live broadcasts without leaving the workspace.
Cloud Stockfish 18·LC0 Neural·UCI bridge·Live broadcasts

Pricing aligned with actual limits

Monthly plans include monthly token allowances. Free plan uses lifetime cloud tokens.

Free
$0forever
Browser Stockfish analysis
Cloud Stockfish with 7,200 lifetime tokens
Lichess / Chess.com import
1 PGN repertoire file
Start Free
Pro
$14.99/mo
Cloud Stockfish with 40,000 tokens / month
LC0 panel enabled in web app
500 PGN files
Syzygy 6-piece tablebase
Start Pro
Ultra
$39/mo
Cloud Stockfish with 120,000 tokens / month
LC0 panel enabled in web app
Unlimited PGN files
No idle timeout on ultra sessions
Start Ultra
Token reference: Stockfish eco uses about 60 tokens/min, Stockfish perf about 120 tokens/min. LC0 costs depend on selected profile (typically 120–180 tokens/min). Token packs are one-time and never expire.

Your next opponent is already preparing.

Start your analysis today — free.

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