I imagine the "author" did something like, "Search http://google.scholar.com/ find a publication where AI failed at something and write a paragraph about it."
It's not even as bad as the article claims.
Atari isn't great at chess. https://chess.stackexchange.com/questions/24952/how-strong-is-each-level-of-atari-2600s-video-chess
Random LLMs were nearly as good 2 years ago. https://lmsys.org/blog/2023-05-03-arena/
LLMs that are actually trained for chess have done much better. https://arxiv.org/abs/2501.17186