AlphaGo versus Ke Jie was a three-game
Go match between the computer Go program
AlphaGo Master and current world No. 1 ranking player
Ke Jie
Ke Jie () is a Chinese professional Go player of 9 dan rank. He was born on August 2, 1997 in Liandu District, Lishui City, Zhejiang Province.
Career
2008–15: Early Career and Bailing Cup Breakthrough
Ke Jie started to learn how to pla ...
, being part of the
Future of Go Summit The Future of Go Summit () was held in May 2017 by the Chinese Go Association, Sport Bureau of Zhejiang Province and Google in Wuzhen, Zhejiang, the permanent host of the World Internet Conference. It featured five Go games involving AlphaGo and t ...
in
Wuzhen
Wuzhen (, Wu: Whu-tsen lit. "Wu Town") is a historic scenic town, part of Tongxiang, located in the north of Zhejiang Province, China.
It lies within the triangle formed by Hangzhou, Suzhou and Shanghai. Covering an area of , Wuzhen has a tota ...
, China, played on 23, 25, and 27 May 2017. AlphaGo defeated Ke Jie in all three games.
Background
At the time of the match Ke Jie was ranked 1st among all human players worldwide under
Rémi Coulom's ranking system, and had held that position since late 2014. Ke Jie was also ranked number one in the world under
Korea Baduk Association
The Korea Baduk Association, also known as Hanguk Kiwon (), was founded in November 1945 by Cho Namchul.
Baduk is a game which was present in Korea by the 5th century. It originated in China, but the West is more familiar with the Japanese name ...
's,
Japan Go Association's and
Chinese Weiqi Association Chinese Weiqi Association (), or Chinese Go Association, founded in Hefei, Anhui in 1962, is the major go organization in China. As a branch of the Zhongguo Qiyuan, it oversees professional players as well as strong amateurs, functioning in the s ...
's ranking systems.
The version of AlphaGo in this match was
AlphaGo Master, the one that defeated top pros in 60 online games, using four
TPUs on a single machine with Elo rating 4,858.
DeepMind claimed that this version was 3-stone stronger than the version used in
AlphaGo v. Lee Sedol. AlphaGo Master was actually the second best version that DeepMind had at the time, for it was already in possession of
AlphaGo Zero
AlphaGo Zero is a version of DeepMind's Go software AlphaGo. AlphaGo's team published an article in the journal ''Nature'' on 19 October 2017, introducing AlphaGo Zero, a version created without using data from human games, and stronger than any ...
, a version much stronger than the Master version; this can be known by the fact that ''
Nature
Nature, in the broadest sense, is the physical world or universe. "Nature" can refer to the phenomena of the physical world, and also to life in general. The study of nature is a large, if not the only, part of science. Although humans are ...
'' received their paper on AlphaGo Zero on April 7, before the games with Ke Jie.
DeepMind did not reveal the existence of AlphaGo Zero until the paper was published in ''Nature'' in October 2017.
Before the Future of Go Summit, AlphaGo Master defeated Ke Jie by three to zero during its 60 straight wins in the online games at the end of 2016 and beginning of 2017.
Games
Summary
Google
Google LLC () is an American Multinational corporation, multinational technology company focusing on Search Engine, search engine technology, online advertising, cloud computing, software, computer software, quantum computing, e-commerce, ar ...
DeepMind offered $1.5 million winner prizes for this match while the losing side took $300,000 for participating in the three games. AlphaGo won all three games against
Ke Jie
Ke Jie () is a Chinese professional Go player of 9 dan rank. He was born on August 2, 1997 in Liandu District, Lishui City, Zhejiang Province.
Career
2008–15: Early Career and Bailing Cup Breakthrough
Ke Jie started to learn how to pla ...
. After the match between AlphaGo and Ke Jie, AlphaGo retired while DeepMind continued AI research in other areas. AlphaGo was subsequently awarded a professional
9-dan title by the
Chinese Weiqi Association Chinese Weiqi Association (), or Chinese Go Association, founded in Hefei, Anhui in 1962, is the major go organization in China. As a branch of the Zhongguo Qiyuan, it oversees professional players as well as strong amateurs, functioning in the s ...
.
Game 1
On 23 May, AlphaGo (white) won by 0.5 points.
Game 2
The second game was played on 25 May. About 1 hour into the game, Demis Hassabis tweeted that according to AlphaGo's evaluations, Ke was playing perfectly. However, Ke later lost ground on the lower part of the board. About 4 hours into the game, AlphaGo simplified the position, and it became clear that Ke was losing.
AlphaGo (black) won by resignation after move 155.
Game 3
On 27 May, Ke Jie (white) resigned in game three, finishing the series with a 3–0 win for AlphaGo. At resignation, AlphaGo (black) had roughly an hour and a half of its time remaining, while Ke Jie had roughly 32 minutes left on the clock.
Coverage
The match was barred from being live-streamed in China. The game however has been covered in China both online and on national television via
Zhejiang TV
Zhejiang Television (ZJTV, ) is a satellite television channel owned by Zhejiang Radio and Television Group serving Zhejiang Province
Zhejiang ( or , ; , also romanized as Chekiang) is an eastern, coastal province of the People's Rep ...
.
See also
*
AlphaGo versus Lee Sedol
AlphaGo versus Lee Sedol, also known as the Google DeepMind Challenge Match, was a five-game Go match between top Go player Lee Sedol and AlphaGo, a computer Go program developed by Google DeepMind, played in Seoul, South Korea between 9 and 1 ...
References
{{Reflist, 30em
External links
Commentary from DeepMindKe Jie's comments after the game.Commentary at Sensei's Library.
SGF files
Game 1Game 2Game 3
Computer Go games
Human versus computer matches
May 2017 sports events in China
2017 in Chinese sport
AlphaGo
2017 in go