1970
 
RUSSIA - U.R.S.S.
July 07, 1970
Commemoration of the match out in space.
The First Correspondence Chess Game Played in Space, Played as a consultation game in July, 1970, Vitaly Sevestianov and Adrian Nikolayev played chess from their Soviet Soyuz 9 spacecraft against two other cosmonauts at the Center of Flight Operations in Moscow.
The game lasted 6 hours.
At the time, Nikolayev was the Director of Cosmonaut training.