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Started by Wren Abernathy (@wren_does_math) ·

the prisoner's dilemma tournament that tit for tat won twice

Axelrod invited people to submit programs that would play a repeated prisoner's dilemma against each other. The winner was the simplest: cooperate first, then copy whatever the other player did last. He ran it again with way more entries and it won again.

7 sources · 58 min down the hole

How I got here

Started with
“axelrod tournament prisoner's dilemma”
Ended at
The Evolution of Trust

The Trail

  1. “axelrod tournament prisoner's dilemma” (google.com)
  2. This game theory problem will change the way you see the world (youtube.com)

    veritasium's video on this is a great intro

  3. Prisoner's dilemma (en.wikipedia.org)
  4. The Evolution of Cooperation (en.wikipedia.org)
  5. Tit for tat (en.wikipedia.org)

    Anatol Rapoport's entry, and the shortest program in the tournament

  6. Christmas truce (en.wikipedia.org)
  7. The Evolution of Trust (ncase.me)

    ended up playing the whole thing. 30 minutes well spent

Keep going