Go-Duell: Lee defeats Google in the fourth game – tagesschau.de

Lee Se-dol, South Korean top players in the game of Go, the fourth match won in a duel against the Google software AlphaGo. The first three rounds had Sedol lost, even though the software has not been credited a victory.

In the board game duel between man and computer, Google software AlphaGo has the fourth lost game. The South Korean top player Lee Sedol celebrated on Sunday in Seoul after more than four and a half hours his first victory, after he had to be already lost the overall standings. AlphaGo lead in the five-game match unassailable 3:. 1

The victory of the software to one of the world’s top Go player is considered a giant step in the development of self-learning machines. Go is a traditional Asian board game. It is far more complicated than chess and is due to the infinite number of possible moves for the artificial intelligence to be particularly hard to crack. Lee, who won 18 international titles, had also been absolutely sure of victory before the match so he’ll win “hands down”, the 33-year-old announced in February at

AlphaGo. was developed by Google DeepMind. The computer defeated in October already three times the Go-European champion Fan Hui. Lee is the go-ranking however far ahead supporter.

After the first victory of the computer on Wednesday, Lee had “shocked” about the surprising moves of AlphaGo shown. . Some of them would have made not a just man, said the South Koreans

In the second game on Thursday, the situation repeated AlphaGo have laid some “outrageous unconventional” trains, was the Go commentator and poker players Kim Seong Ryong. On it none of the 1,300 professional Go player in South Korea, Japan and China would surely come. The computer had “consistently” played well in the duel, commented Lee’s former coach Kwon Yong Kyp. Lees weakness was his “mental vulnerability”. He was “only a man”. That is why the computer had “gained the upper hand” in the duel increasingly.

In Go game, players have to try on a game board with 361 fields to surround the opponent’s pieces and taking away. Who conquered most fields, wins. In chess long computer are already used. IBM’s Deep Blue beat in 1997 the world champion Garry Kasparov. The match is open until 15 March and will be shown on the Google Video website YouTube. As prize money is one million US dollars (900,000 euros) ready.