Tit for Tat: the king of Prisoner’s Dilemma strategies. Its simplicity masks its depth…but it *can* be beaten!
-Links for the Curious-
A fantastic interview with Press about his findings – www.edge.org/conversation/william_h_press-freeman_dyson-on-iterated-prisoners-dilemma-contains-strategies-that
An overview of the various algorithms pitted against each other in Axelrod & Press/Dyson’s battle royale – axelrod.readthedocs.io/en/stable/reference/overview_of_strategies.html
A great summary for PNAS of the ZD strategies & their implications – www.pnas.org/content/109/26/10409?ijkey=bb6675b0fc7e8e43b584727a2ef974e97efde8ef&keytype2=tf_ipsecsha
A summary of ZD strategy extortion – numerical.recipes/whp/StewartPlotkinExtortion2012.pdf
Forbes’s (now dated) piece on the Generous Tit for Tat strategy – www.forbes.com/sites/rogerkay/2011/12/19/generous-tit-for-tat-a-winning-strategy/#e9eff3266eb0