Credits to u/GinDIce] Chess match in the teaser is the same one as Kasparov VS Deep Blue (1996) : r/Genshin_Lore

Kasparov vs. Deep Blue The Match That Changed History

Man vs Machine: A poet on Kasparov-Deep Blue

Garry Kasparov vs. Deep Blue - Top 10 Man-vs.-Machine Moments - TIME

Gary Kasparov vs Deep Blue by Mr-Sage on DeviantArt

Garry Kasparov shakes hands with Feng-Hsuing Hsu at game 1 of 1997 Deep Blue vs. Kasparov re-match in New York City, New York, Mastering the Game

Kasparov v Computer: When Deep Blue Beat The Grandmaster, Mavericks

Kasparov vs Deep Blue 1997 Match Poster - Rare

On This Day, May 11: IBM's Deep Blue defeats Garry Kasparov in rematch

On this day in 1997, IBM's Deep Blue sent shockwaves through the chess world, defeating reigning world champion Garry Kasparov 3½–2½ in a six-game match held in New York. : r/chess

How Garry Kasparov's defeat to IBM's Deep Blue supercomputer incited a new era for artificial intelligence, The Independent