With a maximum of 3170 games a day, the chess machine "kitten" is too hot for Chess.com servers to bear.

CTOnews.com, January 24 (Xinhua) Chess website Chess.com launched five very cute machine "kittens" Mittens earlier this month, resulting in an average of 2750 games a day. This also puts serious pressure on the Chess.com server, causing 502 data connection errors.

CTOnews.com learned that Chess.com said in a blog post updated today: "our servers are struggling, especially during the peak hours between noon and 4 p.m. Eastern time."

"We also know that 502 errors can be extremely frustrating, and we apologize for these problems," Chess.com said in a blog post.

"there were 31.7 million games on January 20 alone, which is a website record, and we now often see more than 1 million games per hour," Chess.com added in a blog post.

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"five Mittens machine kittens" caused a sensation in the chess circle, playing an average of 27.5 million games a day on Chess.com.