The Theory of Go

Tony Yang, born on October 20, 2008, is an AGA-rated 7 Dan Go player, who is currently a student at Chaparral High School in Southern California. He was the back-to-back champion of the 2022 & 2023 U.S. Go Congress Open Division, and took 3rd place in the 38th World Youth Go Championship. In 2024, he launched ScribeGo, an innovative iOS app that allows users to study and replay professional Go matches with ease. Moreover, Yang has had experience as a teacher, having taught Go at his local Chinese school and the San Diego Go Club.

Han Han (韩晗), born on July 11, 1989, is a Chinese professional 5P who has had a distinguished career in both competition and teaching. He became a professional in 2003 and was promoted to 5P in 2009. In 2012, Han qualified for top 32 of the 1st Bailing Cup. In 2004, he was a member of Team Xinxing, the runner-up in the China Weiqi League. Moreover, Han took 1st place in the 2022 & 2023 U.S. Go Congress Masters Division. He currently teaches Go with students from both the U.S. and China.