# Quzhou-Lanke Cup World Go Open

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

| Edition | Years | Winner | Score | Runner-up |
| 1st | 2023 | Gu Zihao | 2–1 | Shin Jinseo |
| 2nd | 2024 | Shin Jinseo | 2–0 | Gu Zihao |

## 1st Lanke Cup World Go Open (2023)

| Round of 32 | Round of 32 | Round of 16 | Round of 16 | Quarter-finals | Quarter-finals | Semi-finals | Semi-finals | Final | Final |
| May 5, 2023, Quzhou, Zhejiang | May 5, 2023, Quzhou, Zhejiang | | | | | | |
| Gu Zihao 9p | 1 | | | | | | |
| Gu Zihao 9p | 1 | May 6 | May 6 | | | | | |
| Han Seungjoo 9p | 0 | May 6 | May 6 | | | | |
| Han Seungjoo 9p | 0 | Gu Zihao | 1 | | | | |
| | | Park Junghwan | 0 | | | | |
| Park Junghwan 9p | 1 | Park Junghwan | 0 | | | | |
| Park Junghwan 9p | 1 | | | May 8 | May 8 | | | |
| Zhao Chenyu 9p | 0 | | | May 8 | May 8 | | |
| Zhao Chenyu 9p | 0 | | | Gu Zihao | 1 | | |
| | | | | An Sungjoon | 0 | | |
| An Sungjoon 9p | 1 | | | An Sungjoon | 0 | | |
| Yu Zhengqi 8p | 0 | | | | | | |
| Yu Zhengqi 8p | 0 | An Sungjoon | 1 | | | | |
| | | Tao Xinran | 0 | | | | |
| Tao Xinran 9p | 1 | Tao Xinran | 0 | | | | |
| Tao Xinran 9p | 1 | | | | | May 9 | May 9 | |
| Kang Dong-yun 9p | 0 | | | | | May 9 | May 9 |
| Kang Dong-yun 9p | 0 | | | | | Gu Zihao | 1 |
| | | | | | | Park Geunho | 0 |
| Park Geunho 6p | 1 | | | | | Park Geunho | 0 |
| Cao Xiaoyang 5p | 0 | | | | | | |
| Cao Xiaoyang 5p | 0 | Park Geunho | 1 | | | | |
| | | Xie Erhao | 0 | | | | |
| Xie Erhao 9p | 1 | Xie Erhao | 0 | | | | |
| Yuta Iyama 9p | 0 | | | | | | |
| Yuta Iyama 9p | 0 | | | Park Geunho | 1 | | |
| | | | | Wang Xinghao | 0 | | |
| Wang Xinghao 8p | 1 | | | Wang Xinghao | 0 | | |
| Ida Atsushi 9p | 0 | | | | | | |
| Ida Atsushi 9p | 0 | Wang Xinghao | 1 | | | | |
| | | Byun Sangil | 0 | | | | |
| Byun Sangil 9p | 1 | Byun Sangil | 0 | | | | |
| Byun Sangil 9p | 1 | | | | | | | June 14–17 | June 14–17 |
| Tang Weixing 9p | 0 | | | | | | | June 14–17 | June 14–17 |
| Tang Weixing 9p | 0 | | | | | | | Gu Zihao | 2 |
| | | | | | | | | Shin Jin-seo | 1 |
| Shin Jin-seo 9p | 1 | | | | | | | Shin Jin-seo | 1 |
| Li Qincheng 9p | 0 | | | | | | | | |
| Li Qincheng 9p | 0 | Shin Jin-seo | 1 | | | | | | |
| | | Ding Hao | 0 | | | | | | |
| Ding Hao 9p | 1 | Ding Hao | 0 | | | | | | |
| Xu Haohong 9p | 0 | | | | | | | | |
| Xu Haohong 9p | 0 | | | Shin Jin-seo | 1 | | | | |
| | | | | Li Weiqing | 0 | | | | |
| Li Weiqing 9p | 1 | | | Li Weiqing | 0 | | | | |
| Alexander Qi 1p | 0 | | | | | | | | |
| Alexander Qi 1p | 0 | Li Weiqing | 1 | | | | | | |
| | | Jiang Weijie | 0 | | | | | | |
| Jiang Weijie 9p | 1 | Jiang Weijie | 0 | | | | | | |
| Ali Jabarin 2p | 0 | | | | | | | | |
| Ali Jabarin 2p | 0 | | | | | Shin Jin-seo | 1 | | |
| | | | | | | Tan Xiao | 0 |
| Tan Xiao 9p | 1 | | | | | Tan Xiao | 0 |
| Hsu Chia-yuan 9p | 0 | | | | | | |
| Hsu Chia-yuan 9p | 0 | Tan Xiao | 1 | | | | |
| | | Lai Junfu | 0 | | | | |
| Lai Junfu 8p | 1 | Lai Junfu | 0 | | | | |
| Ke Jie 9p | 0 | | | | | | |
| Ke Jie 9p | 0 | | | Tan Xiao | 1 | | |
| | | | | Lian Xiao | 0 | | |
| Lian Xiao 9p | 1 | | | Lian Xiao | 0 | | |
| Seki Kotaro 9p | 0 | | | | | | |
| Seki Kotaro 9p | 0 | Lian Xiao | 1 | | | | |
| | | Li Xuanhao | 0 | | | | |
| Li Xuanhao 9p | 1 | Li Xuanhao | 0 | | | | |
| Won Seongjin 9p | 0 | | | | | | |