A human chess game played in 1924 took five hours and ended in a draw.
"The claim about a human chess game in Leningrad in 1924 is true. Historical records confirm that on July 20, 1924, chess masters Peter Romanovsky and Ilya Rabinovich played a game on Palace Square, using Red Army and Red Fleet members as pieces, with horses for knights. It lasted five hours, ending in a draw on the 67th move, with about 8,000 spectators. Sources like Russia Beyond and Open Culture are consistent, though minor details, like exact crowd size, may vary slightly. No significant evidence disputes this event, which was part of a Soviet chess promotion series."