title: Chunlan Cup
text: # 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 |
  