11 Facts About Lee Sedol

1.

Lee Sedol, or Lee Se-dol, is a former South Korean professional Go player of 9 dan rank.

2.

On 19 November 2019, Lee Sedol announced his retirement from professional play, stating that he could never be the top overall player of Go due to the increasing dominance of AI.

3.

Lee Sedol referred to them as being "an entity that cannot be defeated".

4.

Lee Sedol is known as 'Bigeumdo Boy' because he was born and grew up on Bigeumdo Island.

5.

Lee Sedol is the fifth-youngest to become a professional Go player in South Korean history behind Cho Hun-hyun, Lee Chang-ho, Cho Hye-yeon and Choi Cheol-han.

6.

In February 2013, Lee Sedol announced that he planned to retire within three years and move to the US to promote Go.

7.

Lee Sedol is married to Kim Hyun-jin, and he has a daughter, Lee Hye-rim.

8.

Lee Sedol, playing black, defied the conventional wisdom, using the broken ladder to capture a large group of Hong's stones in the lower-right side of the board.

9.

Lee Sedol stated "Of course, there would have been many updates in the last four or five months, but that isn't enough time to challenge me".

10.

Lee Sedol commented after the victory that he considered AlphaGo was strongest when playing white.

11.

Lee Sedol turned pro in 1995 as 1 dan, and reached 9 dan in 2003.