When the sun went down and darkess descended upon the Norris Lake Valley, the intrepid AYMFers moved indoors, shifting from the physical outdoor activities of the day to more intellectual indoor ones, such as the game of 99 depicted here.
The game consisted of players competing in a series of extremely intense mental computations, subject to complex (and frequently updated) rules which were completely known only by our host, who seemed to be able to constantly remember new ones as the game progressed.
Players who suffered temporary lapses of mental acuity and failed to properly perform the required calculations were given an opportunity to reinforce their intellectual sharpness with a suitbable beverage ..
as Tommy demonstrates here.