Jiang Zhujiu

Jiang Zhujiu (traditional: 江鑄久; simplified: 江铸久; Jiāng Zhùjiǔ aka “Jujo”; born 17 February 1962) is a Chinese 9-dan professional who currently plays in Korea. In Korean his name is Chang Chu-chu, also spelled Kang Jugu.

Table of contents Personal life Books Software Links

Jiang rose to international notice during the Japan-China Super Go matches in the 1980s, when he defeated five strong Japanese players in a row.

Jiang won the first North American Masters Tournament in 1995, being eligible as he had by then been living in the United States for several years. He successfully defended the title every year after that (eight consecutive victories) until the tournament was discontinued in 2003.

Jiang has been seen playing on the Internet Go Server from time to time. Jiang, under the nickname jujo, occasionally gives lectures for the Ing Goe Internet Class on KGS. The Jujo Jiang tournament is an annual tournament held in San Francisco.

Personal life

Jiang married Rui Naiwei in 1992, becoming the only 18-dan married couple in the world until 8 March 2025, when Park Ha-min 9p married Kim Chaeyeong 9p. Jiang’s brother Jiang Mingjiu is also a professional go player living in the United States.

Books

Among the books he has written are

• Weiqi Technique Encyclopedia (Guanzi Pu) or "围棋技巧大全 (官子谱)" is a new (March 1996) version of Guanzi Pu, co-editor, with his brother Jiang Mingjiu.
• The World's New Joseki

Software

Produced Go Elementary Training and Dan Level Testing, a Windows program, with Yu Bin in the late 1990s.

Links

• http://www.britgo.org/results/env/
• GoMasters Jiang Zhujiu’s website dedicated to teaching go.