"In the land of the blind, the one-eyed man is king."

Let's get better together

Study Go

Ask stronger players to help review your games, study pro games or tsumego. We also organise lectures with strong teachers. The global idea is you get taught by the stronger while you teach the weaker.

See our study schedule in our calendar

Play Go

Playing long serious games is very important to improve. Our league system encourages you to do so in a friendly yet competitive environment. On top of that we reward our winners with cool prizes every month.

Check out our leagues


We are a friendly active online community of Go players from all around the world. OSR is run by volunteers, community driven and all free for everyone to come enjoy the beautiful game of Go.

Come chat with us in our Discord

Whether you are a beginner just learning the rules or a strong player, OSR can help your Go.

Join now !

We provide

OGS/KGS/Discord integration

See what opponents are online on those platform to find a game. Play your league games, write #OSR during the chat and that's it. Our website will collect it automatically.

Lectures for everyone

Ask questions to master Guo Juan (5p) in our forum. She kindly answers every months! Vote for next lecture topic. We set it up with our teachers, record it and upload to our youtube channel.


Win a teaching game with a professional player, a game review by a strong dan or 10€ gift certificate at Guo Juan's internet go school. All that just by playing go!

Plan your games

Plan your game in advance with your opponent using our game planner. It's easy to use and it adapts to timezones automatically.

Latest news in our blog

New Month, New Bot, New Meijin, Prizes!

Top of the day go players and friends!

This month we had the meijin league closing on top of other monthly leagues. No one manage to overcome our champion yet. Please, please, we need a hero to end this tyranny!

On the bright side, positive won the dan league!  It ...

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Alexandre Dinerchtein (3p) game review

Greetings Go players!

Our great Meijin won a teaching game With Alexandre Dinerchtein (3p). The game took place on the KGS go server on  [gmt]2018/07/07 13:00[/gmt].

Huge thanks to Alexandre Dinerchtein for teaching us!

Here is the video of the game review and the sgf ...

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Real life rank policy for high dan players

We are all aware that with the recent rise of strong Go AIs, some online Go players are using bots while playing online to achieve a stronger play. This behavior has always been forbidden within the OSR community (as explicitly stated in our league rules), but unfortunately we have had to deal with botting allegations, investigations, and, in a few cases, people have confessed to having cheated.  It is a real problem that threatens our community as an online Go club.  

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