In 1984, Jiang defeated Norimoto Yoda, Satoru Kobayashi, Shuzo Awaji, Satoshi Kataoka and Akira Ishida consecutively in the first Sino-Japanese Go Challenge, and was promoted to 8 dan.

In the following year, he won the runner-up in the Chinese Go Championship, also defeating Cao Dayuan, Fang Tianfeng, Rui Naiwei, and Qian Yuping to become the challenger for the 3rd Tianyuan.

In 1990, Jiang’s lover Rui Naiwei had to leave China to become the apprentice of Go Seigen after a falling out with some officials at the Chinese Weiqi Association.

From 1995 to 2002, Jiang defeated Rui Naiwei, Michael Redmond, Jimmy Cha, and others to win the North American Masters Tournament a consecutive eight times.

He managed to break into the top eight by scoring consecutive victories against Ryu Shikun and Chen Linxin, but was then defeated by Yoo Chang-hyuk.