The WAGC returned to China after more than 25 years. 60 countries took part, less than before as several European countries could not afford the airfare without sponsors.
The event was held in the new Tian Yuan Tower in Hangzhou, specially built to support Go activities.
After six rounds the only unbeaten player was Song Hong-Suk of Korea; he remained unbeaten. Wang Chen of China was second, only losing to the winner. Czechia's Ondrej Silt and Hungary's Pal Balogh ended in the group with six wins, which also contained North Korea, Hong Kong, Chinese Taipei, Japan and Singapore.
T Mark Hall, playing for the UK, was 41st beating Malaysia, Switzerland and Slovenia.
John Gibson of Ireland was 52nd beating Peru and Turkey.