Ke Jie still ranks first with 3625 points, ahead of the second-placed South Korea.

GoRatings is a Go world ranking statistic. Just before the human-machine battle between Ke Jie and AlphaGo is about to begin, Goratings announced the latest world Go rankings. Although AlphaGo lost to Lee Sedol in the fourth game of the Go human-machine battle, it had an unexpected gain. Due to the defeat, it finally entered the GoRatings Go world ranking statistics, ranking 4th. China's Ke Jie ranked first and Li Shishi ranked fifth.

Since 2017, in the Goratings rankings, the top three in the world have been occupied by Ke Jie, Shen Zhenzhen and Park Tinghuan. In 2019, Shen Zhenzhen surpassed Ke Jie and became the world's number one, which has been maintained. Until now. In the first half of the year, Li Xuanhao suddenly broke out and maintained a very high winning rate in all competitions. He suddenly rushed to fourth place, and the gap with Park Ting-hwan became smaller and smaller, with the smallest difference being only 2 points. However, as Li Xuanhao was eliminated in the second round of the Danghu Ten-game Rapid Chess Tournament the day before yesterday, he could not immediately surpass Park Ting-hwan.

Introduction to Go

Go embodies the profound heritage of Chinese chess culture and the wisdom of the ancients. The ones that have been widely circulated since ancient times include: Yi, Zuiyin, Shoutan, Wangyou, Lanke, Muyehu, Fangyuan, Wulu, Black and White, Jade Catalpa, as well as the Star Formation, Lue Formation, Ghost Formation, Zuofan, Surrounding Hunting, etc.

In November 2019, the "List of National Intangible Cultural Heritage Representative Project Protection Units" was announced. The Go protection units are the Chinese Go Association, Beijing Chess Academy (Beijing Bridge Academy, Beijing Chess and Cards Sports Management Center) .

The chess pieces are divided into black and white. Mostly oblate. The appropriate number of chess pieces is 180 black and white pieces each. There are nineteen equally spaced and vertically intersecting parallel lines on the disk, forming a total of 19 × 19 = 361 intersection points. Compared with the overall shape of the chessboard and the length and width of each grid, the horizontal direction is slightly shorter, usually 2.4 cm × 2.3 cm per grid. There are nine small dots marked on the disk, called star positions, and the star position in the center is also called "Tian Yuan".