OFC Lab · Desktop solver suite
The OFC solver that
pays for itself.
Exact EV for every Pineapple format, Fantasyland, and the Taiwanese two-board game — computed by native engines on your machine. No queue, no throttling, and your cards never leave your computer.
25 free solves · 14 days · No card required
Guides: OFC rules · Pineapple & Fantasyland · Royalties · All articles
Every street, every format, solved
One download covers the complete OFC study toolkit.
Five OFC formats
Pineapple, 2-7 Pineapple, Progressive, Ultimate Progressive, and Ultimate + Progressive + Jokers on the 54-card deck.
Taiwanese solver
The two-board game, heads-up through six players, on 52- or 54-card decks with Monte Carlo rollouts.
Fantasyland analysis
Calibrated Fantasyland values per format — stay/leave EVs, re-Fantasyland policy, and stack-depth effects.
Initial-set library
Generate and browse solution libraries for every opening set, stored locally in SQLite and searchable in seconds.
Multiway trainer
Grade every line heads-up or three-way with street-by-street EV, discard tables, and opponent policies.
Native speed, private by default
Rust engines run on your hardware. Solves start instantly, scale with your CPU, and your cards never leave the machine.
Solving in three steps
Create your account
Sign up in seconds. Your free trial starts immediately — 25 solves over 14 days, no card required.
Download OFC Lab
Windows 10 and 11, 64-bit or 32-bit. Get the installer on the download page. The same account signs in everywhere.
Solve
Enter a deal, pick a format, and get rows, discards, and EVs at native speed. Offline for 7 days between check-ins.
Start free. Upgrade when it clicks.
The trial is the five OFC formats on the Fast engine, plus practice mode. Pro and High Roller add Accurate and Precise. High Roller also adds 2-7, Jokers, Taiwanese, and library generation.
Annual billing: two months free on any plan. Cancel anytime.
Quick answers
What does the free trial include?
25 free solves over 14 days on the five OFC formats, practice mode, and the Fast engine. Taiwanese and the Accurate and Precise engine modes are on paid plans. No card required.
Where do the solves run?
On your computer. OFC Lab ships native Rust engines, so solves are instant, scale with your CPU, and your cards are never uploaded.
Can I cancel anytime?
Yes. Manage or cancel your subscription from your account page — you keep access until the end of the paid period.
Stop guessing. Start solving.
25 free solves. 14 days. Every format. No card required.
Start free trial