Lee Sedol out of shape or just a bad game?

Lee Sedol out of shape or just a bad game? 1

Recently the Chinese Go Server – FGS  released a new feature which allows users to browse through AI commented games and see all the percentages pretty clearly, which in my opinion is very valuable since most of the top games are available.

I do not know much about it, however, my guess is that the analysis is either of FineArt or Golaxy, although it is more likely to be FineArt, since Tencent have been working on FineArt for a long time and it is currently the strongest AI after AlphaGo (or maybe even stronger than AG right now, who knows).

Lee Sedol out of shape or just a bad game? 2


Lee Sedol out of shape or just a bad game? 3

This is the interface of FGS and on the top right you can see a new feature marked with “new”. When you click on it, another window appears where you can browse through all games which are analyzed and choose which one you would like to view.

Once you click on some game, another window will appear and you can see the analyzed game. The variations are very clear and straightforward, not too many variations and also enough to grasp what the AI idea is about.Lee Sedol out of shape or just a bad game? 4
Today while looking around Lee Sedol game versus Fan Tingyu with the AI tool, it was surprising to notice that the game literally was finished in the very early middle game, just because he died.

According to GoRatings Lee Sedol was № 1 in the world for 2007 till 2011 and then he was second place in 2012 and third place in 2013. There is no doubt that he is one of the best players in the world. However, after his match with AlphaGo, Lee Sedol had 9 win streak and then suddenly until now his rating has been dropping from 3550 to 3451 which places him 32 in the world right now. Furthermore, his winning rate since August is 33%.

I hope to see him catching up and fighting with full power.

Below, I tried to put the AI analysis into SGF until the point when in my opinion the game was finished. The winrate of the AI for each move is also integrated for the ease of the reader. Enjoy and stay tuned for more.

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