Wired News: New Tack Wins Prisoner’s Dilemma
Southampton people have bested Tit-for-Tat in a repeated PD with a somewhat ingenious setup. Although they won fair and square, in a sense they didn’t respect the spirit of the game in which strategies are meant to compete (not their mastermind makers).
TfT’s original success was of course highly dependent on the actual setup of the tournament so beating it in some sort of repeated PD is not so sensational.