Chunlan Cup
# Chunlan Cup

The Chunlan Cup, officially the Chunlan Cup World Professional Weiqi Championship (Chinese: 春兰杯世界职业围棋锦标赛), is an international Go competition.

## Outline

The Chunlan Cup is an international Go tournament sponsored and hosted by the Chunlan Group of China. 24 players are chosen as follows:

* 3 top players of last tournament
* 8 from China
* 5 from Japan
* 4 from South Korea
* 2 from Chinese Taipei
* 1 from North America
* 1 from Europe

The 24 players are reduced to 16 after the first round. The top 8 players are qualified for the next round while the bottom 8 play each other in a knockout tournament.

Each player has 2 hours and 30 minutes of time with five 60-second byoyomi periods, since the 12th cup. (Formerly, the time limit was 3 hours with five 60-second byoyomi periods.) The komi is 7.5 points. The winner's prize is US$150,000.

## Past winners and runners-up

| Edition | Year | Winner | Score | Runner-up |
| - | - | - | - | - |
| 1st | 1998–1999 | Cho Hunhyun | 2–1 | Lee Chang-ho |
| 2nd | 1999–2000 | O Rissei | 2–1 | Ma Xiaochun |
| 3rd | 2000–2001 | Yoo Changhyuk | 2–1 | O Rissei |
| 4th | 2002–2003 | Lee Chang-ho | 2–0 | Hane Naoki |
| 5th | 2003–2005 | Lee Chang-ho | 2–1 | Zhou Heyang |
| 6th | 2006–2007 | Gu Li | 2–0 | Chang Hao |
| 7th | 2008–2009 | Chang Hao | 2–0 | Lee Chang-ho |
| 8th | 2010–2011 | Lee Sedol | 2–1 | Xie He |
| 9th | 2012–2013 | Chen Yaoye | 2–1 | Lee Sedol |
| 10th | 2014–2015 | Gu Li | 2–0 | Zhou Ruiyang |
| 11th | 2016–2017 | Tan Xiao | 2–1 | Park Yeong-hun |
| 12th | 2018–2019 | Park Junghwan | 2–0 | Park Yeong-hun |
| 13th | 2020–2021 | Shin Jin-seo | 2–0 | Tang Weixing |
| 14th | 2022–2023 | Byun Sang-il | 2–0 | Li Xuanhao |

### By nation

| Nation | Winners | Runners-up |
| - | - | - |
| South Korea | 8 | 5 |
| China | 5 | 7 |
| Japan | 1 | 2 |
