First videogame tournament

First videogame tournament
Who
Intergalactic Spacewar Olympics
What
first first
Where
United States (Stanford)
When

The Intergalactic Spacewar Olympics is the first known videogame tournament. It was held on 19 October 1972 at Stanford University’s Artificial Intelligence Laboratory in California, USA, with around 24 players reported to have competed in the 1962 space combat game Spacewar.

Spacewar is sometimes stylised as Spacewar!