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tetronian2 comments on Open Thread, Jul. 20 - Jul. 26, 2015 - Less Wrong Discussion

4 Post author: MrMind 20 July 2015 06:55AM

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Comment author: tetronian2 21 July 2015 12:57:27AM 11 points [-]

Is anyone interested in another iterated prisoner's dilemma tournament? It has been nearly a year since the last one. Suggestions are also welcome.

Comment author: solipsist 23 July 2015 01:24:50AM *  3 points [-]

In addition to current posters, these tournaments generate external interest. I, and more importantly So8res, signed up for an account at LessWrong for one of these contests.

Comment author: tetronian2 23 July 2015 02:08:34AM 3 points [-]

Wow, I was not aware of that. I saw that the last one got some minor attention on Hacker News and Reddit, but I didn't think about the outreach angle. This actually gives me a lot of motivation to work on this year's tournament.

Comment author: solipsist 23 July 2015 04:15:08AM *  2 points [-]

Oops! I misremembered. So8res' second post was for that tournament, but his first was two weeks earlier. Shouldn't have put words in his mouth, sorry!

Comment author: tetronian2 26 July 2015 04:33:38PM *  0 points [-]

So, to follow up on this, I'm going to announce the 2015 tournament in early August. Everything will be the same except for the following:

  • Random-length rounds rather than fixed length
  • Single elimination instead of round-robin elimination
  • More tooling (QuickCheck-based test suite to make it easier to test bots, and some other things)

Edit: I am also debating whether to make the number of available simulations per round fixed rather than relying on a timer.

I also played around with a version in which bots could view each other's abstract syntax tree (represented as a GADT), but I figured that writing bots in Haskell was already enough of a trivial inconvenience for people without involving a special DSL, so I dropped that line of experimentation.

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