The Last Human to Defeat AI AlphaGo, Lee Se-dol, Nicknamed "Stonewall" (Ssen-dol) and Known for the "Divine Move"

Lee Se-dol became a professional Go player at the youngest age of 12 years and 4 months in 1995, and achieved the rank of 9-dan professional in just eight years. His playing style is characterized as a combative, pragmatist genius. He has secured 47 career titles in total: 29 domestic and 18 international. Notably, in 2002, as a 3-dan professional, he won the 15th Fujitsu Cup World Go Championship, setting a new record for the lowest-ranked player ever to win a world title. He was a world-class professional player, maintaining the number one Go world ranking for five consecutive years starting from 2002.

In 2016, he participated in a $1 million five-game match against AlphaGo, an AI program developed by Google DeepMind. While the final score was 1 to 4 in favor of AlphaGo, Lee Se-dol won the fourth game by resignation (bulgyeseung), recording his place in history as the last human to achieve a victory against the AI program. 

His books include Selected Masterpieces of Lee Se-dol and Overturn the Board.

[Career Highlights]
-50 domestic and international championship titles
-14 world championship titles
-Recorded 32 consecutive wins in 2000
-Won a world championship at the lowest domestic rank (2-dan professional)
-Maintained the world number one ranking for five consecutive years