Late in his career Mikhail Tal put the fireworks away and transformed himself into a supreme technician. He set a record for the longest undefeated streak in chess history. Basically he'd fit right in today.
Interestingly enough, that record was just broken by Chinese GM Ding Liren, who played 100 games before losing to Maxime Vachier-Lagrave at the Shenzhen Masters tournament.