Learn something from every game you play on OGS
Follow your online-go.com account and pick the games you want reviewed: the costliest mistakes, found by KataGo and explained in plain English, each led by the lesson to take into your next game.
Sign-ups are closed for now.
Example lesson · Move 26
When your opponent's contact move just connects their own groups on a partly settled side, tenuki and take the biggest point elsewhere.
Enter your OGS username
Your finished games are listed, and new ones show up within about 10 minutes.
Pick a game to review
Each review uses one credit, and your first 2 are free. It's ready in a few minutes.
Read the lessons
Every game lists its biggest lesson; open it for the full review with boards and lines.