Gu Zihao

Gu Zihao (; born 13 March 1998 ) is a Chinese professional go player. He is the winner of two major international championships: the Samsung Cup in 2017 and the Quzhou Lanke Cup in 2023.

Gu Zihao was born in Xiantao, Hubei in 1998. He began to play go when he was 6 years old. To further study go, he moved to Wuhan at age 9, He earned professional 1 dan rank in 2010, when he was 12. He began participating in the Chinese A League in 2012. In 2015, he won China's National Go Individual tournament, and the Limin Cup, an under-20 international tournament. He won the CCTV Cup later that year, followed by several championships in 2021: the Tianyuan, the Ahan Tongshan Cup and China–Japan playoff, and the Longxing.

He claimed his second major international title in the Quzhou Lanke Cup in June 2023, beating Shin Jin-seo.

Gu is sometimes nicknamed èbà 'evil tyrant' , derived from a username which he used for playing go online, Yìnchéng zhī bà 'Indianapolis tyrant' . Samsung Cup 2017 China-Japan Agon Cup 2018 and 2021 Quzhou Lanke Cup 2023 Chinese: National Go Individual 2015 Weifu Fangkai Cup 2018 Ahan Tongshan Cup 2018 and 2021 CCTV Cup 2020 Tianyuan 2021 Longxing 2021 South-West Qiwang 2025