The Quzhou-Lanke Cup World Go Open (Chinese: "衢州烂柯杯"世界围棋公开赛; pinyin: Qúzhōu lànkē bēi shìjiè wéiqí gōngkāisài) is an international Go tournament. It was created in 2023 and is held annually. The competition is organized by the Chinese Weiqi Association and Quzhou municipal government.

Rules

Games are played under Chinese rules with a 7.5 point komi. Each player has 2 hours of main time with five 60-second byoyomi periods.

The prizes are: 1.8 million Chinese Yuan for champion, 600 thousand yuan for runner-up, 200 thousand yuan for losers of semifinal, 100 thousand yuan for losers of round 3, 50 thousand yuan for losers of round 2, 30 thousand yuan for loser of round 1.

Winners and runners-up

EditionYearWinnerScoreRunner-up
1st2023China Gu Zihao2–1South Korea Shin Jinseo
2nd2024South Korea Shin Jinseo2–0China Gu Zihao
3rd2025China Dang Yifei2–1South Korea Shin Jinseo

1st Lanke Cup World Go Open (2023)

Round of 32Round of 16Quarter-finalsSemi-finalsFinal
May 5, 2023, Quzhou, Zhejiang
Gu Zihao 9pChina1
May 6
Han Seungjoo 9pSouth Korea0
Gu ZihaoChina1
Park JunghwanSouth Korea0
Park Junghwan 9pSouth Korea1
May 8
Zhao Chenyu 9pChina0
Gu ZihaoChina1
An SungjoonSouth Korea0
An Sungjoon 9pSouth Korea1
Yu Zhengqi 8pJapan0
An SungjoonSouth Korea1
Tao XinranChina0
Tao Xinran 9pChina1
May 9
Kang Dong-yun 9pSouth Korea0
Gu ZihaoChina1
Park GeunhoSouth Korea0
Park Geunho 6pSouth Korea1
Cao Xiaoyang 5pChina0
Park GeunhoSouth Korea1
Xie ErhaoChina0
Xie Erhao 9pChina1
Yuta Iyama 9pJapan0
Park GeunhoSouth Korea1
Wang XinghaoChina0
Wang Xinghao 8pChina1
Ida Atsushi 9pJapan0
Wang XinghaoChina1
Byun SangilSouth Korea0
Byun Sangil 9pSouth Korea1
June 14–17
Tang Weixing 9pChina0
Gu ZihaoChina2
Shin Jin-seoSouth Korea1
Shin Jin-seo 9pSouth Korea1
Li Qincheng 9pChina0
Shin Jin-seoSouth Korea1
Ding HaoChina0
Ding Hao 9pChina1
Xu Haohong 9pChinese Taipei0
Shin Jin-seoSouth Korea1
Li WeiqingChina0
Li Weiqing 9pChina1
Alexander Qi 1pUnited States0
Li WeiqingChina1
Jiang WeijieChina0
Jiang Weijie 9pChina1
Ali Jabarin 2pEurope0
Shin Jin-seoSouth Korea1
Tan XiaoChina0
Tan Xiao 9pChina1
Hsu Chia-yuan 9pJapan0
Tan XiaoChina1
Lai JunfuChinese Taipei0
Lai Junfu 8pChinese Taipei1
Ke Jie 9pChina0
Tan XiaoChina1
Lian XiaoChina0
Lian Xiao 9pChina1
Seki Kotaro 9pJapan0
Lian XiaoChina1
Li XuanhaoChina0
Li Xuanhao 9pChina1
Won Seongjin 9pSouth Korea0