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Sniffnoy comments on Prisoner's dilemma tournament results - Less Wrong
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Comments (122)
Quinn appears to have submitted something similar. As far as I can tell, against CooperateBot it cooperates; otherwise, it waits 9 seconds before defecting. (The weird timing conditional in there should never return true if things are working properly, and checking the results, indeed, it defected against everything but the three CooperateBots.)
Unless I'm going insane, LukeASomers' comment below is incorrect. If you defect and your opponent times out, you still get 1 point and they get 0, which is marginally better than both getting 1 point in the case of mutual defection.
That was the purpose my (sleep 9). I figured anyone who was going to eval me twice against anything other than CooperateBot is going to figure out that I'm a jerk and defect against me, so I'm only getting one point from them anyway. Might as well lower their score by 1.
My assumption might not have been correct though. In the original scoreboard, T (who times out against me) actually does cooperate with K, who defected against everybody!
The bizarre-looking always-false conditional was a long shot at detecting simulation. I heard an idea at a LW meetup (maybe from So8res?) that players might remove sleeps from each other's code before calling eval. I figured I might as well fake such players out if there were any (there were not).