Act II of three — after Donald Michie's Matchbox Educable Noughts And Crosses Engine (1961): 304 matchboxes full of colored beads that learned tic-tac-toe. Here are the matchboxes, digitized. Win → beads multiply. Lose → beads are confiscated. Nothing else. Watch strategy condense out of randomness.
Bead counts for MENACE's first move. Blue depth = share of beads = probability. At game zero every move is equally likely; watch conviction form.