For anyone interested in Go history, games, and East Asia, please note the upcoming online talk.
On Wednesday, 2026-05-13T08:00:00Z→2026-05-13T09:30:00Z, distinguished game researcher Prof. Tanioka Ichiro (President of the Osaka University of Commerce, Japan) will give an online lecture entitled “The Emergence of the 19×19 Go Board: A Hypothesis Based on the Yuánjiā Calendar (元嘉曆)”.
The lecture is based on his book on the early history of Go in East Asia (see book cover below).
This event is part of the Ludic Languages of Asia lecture series, organised by board game historian Jacob Schmidt-Madsen, and no registration is required; the Zoom link is available here:
https://www.mpiwg-berlin.mpg.de/event/emergence-1919-go-board-hypothesis-based-yuanjia-calendar-yuanjiali
Feel free to share with anyone in your network who might be interested!
P. s. If the speaker agrees, the lecture will be recorded, while the Q&A will be off record. However, if your time allows, please show your support and join us live (with your camera on or off, the audience won’t be part of the record).
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For anyone wants a preview or some background about this hypothesis , here is an old Go Symposium session by Prof. Tanioka Ichiro more than a decade ago.
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Thank you for the invitation @dtrinks, very interesting lecture 
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Oh, I just missed it. Will there be a recording of this lecture later?
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If I remember correctly, there will be
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Did they say where they would put the recording? on the announcing page or any other channels?
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@Counting_Zenist Thanks for your interest! The recording will be made available on Max Planck Institute for the History of Science, research group ASTRA’s youtube channel https://www.youtube.com/@ASTRA-MPIWG, same place where the other Go history lecture by Prof. Nam Chihyung was posted. I’ll share the link after it was posted, but if you subscribe to the youtube channel you will receive an notice earlier than that.
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@Issa361 Thanks for joining and your nice comment!
Thanks for organizing the lecture, and already subscribed 
Hopefully we can see more videos with these interesting topics in the future as well.
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For @Counting_Zenist and others who missed the lecture, the recording is now available here: https://youtu.be/f7s8UZamuPQ?si=0cIz5zyVzY0j8xy7
In the video description you can also find a recommended book the lecturer wrote in Japanese and its translated version in English.
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