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AlphaGo won a second game against Lee Sedol

Google AI continues to win


This photo is not from a match, just a demonstration of the board and game situation.

Computer systems have long been superior to humans in a number of games. Those same chess - champions are already very difficult, if not impossible, to beat the computer. But there are also games in which a person still surpasses computer systems. Basically, these are games where you need to perform illogical actions or use intuition.
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One of the games where so far the person was stronger than the computer was considered go. As already reported , the game has a very limited number of rules. Two players place stones of two colors on a board of a certain size, the standard field is 19 × 19 lines. The goal of the game is simple: you need to fence off the territory of a larger size than your opponent’s size on the board with stones of your own color. At the same time, the number of variations is just a huge amount.

On a small board, the number of possible positions of stones is approximately in a googol ( 10,100 ) than in the same chess. This is more than the number of atoms in the universe. Modern computers simply cannot calculate all these options, assess the situation to the full, therefore different kinds of programs for the game of go corresponded to the amateur level. Before the advent of AlphaGo, AI by Google.

Yesterday, this program won one of Go's world champions - Lee Sedol.



It was the first of five games. The second game took place today, and the computer defeated the man again. The game lasted five hours, but AlphaGo is still stronger. Below is a game recording, plus a post-match conference recording.



Now players will have 3 more meetings. But, since there are only five games, if the next time a person loses, the outcome is already clear. If not, the person has a chance.

Source: https://habr.com/ru/post/391577/


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