Groups comparison

Chess - 1970 to 2021
An abstract strategy board game. The modern variant was invented sometime in the Middle Ages in Europe.

Sargon - 1979 to 1994
Series of chess games, originally developed by Dan and Kathleen Spracklen and published by Hayden Software.

chess
sargon-series
7072747678808284868890929496980002040608101214161820 401020300