> Kasparov versus the World was a game of chess played in 1999 over the Internet.[1] Conducting the white pieces, Garry Kasparov faced the rest of the world in consultation, with the World Team moves to be decided by plurality vote. Over 50,000 people from more than 75 countries participated in the game.

https://en.wikipedia.org/wiki/Kasparov_versus_the_World