A computer can analyze billions of possibilities and billions of positions ahead. Despite his chess genius, Carlsen cannot compare to that kind of analytical power. He could, perhaps, beat a computer in one-off games but he wouldn't be able to do it consistently.

Are computers unbeatable at chess?

Chess computers are now so strong that they are practically unbeatable. It is highly unlikely that even the greatest human players would beat a computer playing at a full capacity. This is because a computer can analyze millions of possibilities and compare them against each other within seconds.

Will Magnus Carlsen ever be beaten?

Beating Magnus Carlsen in any format is a difficult task, more so in Classical chess. But on 24th of January, at the 8th round of Tata Steel Masters 2021 Andrey Esipenko became the 1st teenager ever to beat the World Champion Magnus Carlsen in Classical Chess.