Go Platforms Online: What Works and What Does Not
Every platform gets the rules right, so the real differences are the score estimate, undo, handicap support and how a resignation reads. How to pick for playing, learning or teaching.
Go is the easiest of the classic board games to play online badly. The rules are simple enough that a platform can support them perfectly and still give you a miserable game, because almost everything that matters in Go is social: the score estimate, the undo, the way a resignation is read.
What every platform gets right
- The rules engine. Captures, ko, seki and scoring are solved problems, and no serious platform gets them wrong.
- The board. It renders, it is the right size, the stones are legible.
- Basic correspondence play. Play by email or by turn and almost any platform holds up.
If those were all that mattered, the choice would be trivial. They are not.
Where platforms actually differ
1. The score estimate
A live score estimate changes how beginners learn. On a platform that shows it, you can see the cost of a move while the game is still running. On one that hides it until the end, you find out twenty moves later that a fight was already lost. Neither is wrong, but they teach different habits.
2. Undo and take-back
Correspondence games do not need it. Live teaching games do. A platform with no take-back is a poor place to learn, because the punishment for experimenting is the whole game.
3. How a resignation reads
This sounds trivial and is not. Some platforms treat a resignation as a formal record; others treat it as a shrug. In a teaching context you want the second, because otherwise beginners play out lost games to the end, which wastes both players' time.
4. Handicap support
If you want to play with someone much stronger or much weaker, handicap is the only thing that makes the game interesting for both sides. Plenty of platforms support it and then bury it three menus deep.
What does not work
- Ranking systems that import a rating from another server without saying so. Your number moves for reasons you cannot see.
- Time controls with no increment for beginners. Under sudden death, new players lose to the clock, not to the board.
- Mobile layouts where the board scrolls. A board that moves while you are reading it is unplayable.
How to pick
Decide what you are actually doing first. Playing correspondence games: almost anything works, pick for the player pool. Learning: pick for undo, handicap and a visible score estimate. Teaching: pick for the resignation culture and the ability to review a finished game with the student.
FAQ
Do online Go platforms get the rules wrong?
Rarely. Captures, ko and scoring are settled. Differences show up in ranking, undo, handicap support and how the platform handles resignation, which matter more in practice.
Is handicap play worth using with beginners?
Yes. Without handicap, a strong player either plays below their level or wins every game, and neither is instructive. Handicap makes the game close enough to be worth thinking about.
What time control is best for learning Go?
Anything with an increment. Sudden death makes beginners lose to the clock instead of to the position, which teaches the wrong lesson.
You can try a full 19x19 board in the browser at yiboardgame.com with no install and no account, which is the fastest way to feel the difference a clean board and a visible score estimate make. More board game notes are on the blog.