JoshuaZ comments on Prisoner's Dilemma Tournament Results - Less Wrong

101 Post author: prase 06 September 2011 12:46AM

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Comment author: DavidPlumpton 06 September 2011 12:51:10AM 3 points [-]

Having a known number of rounds seems like a problem to me. Everybody wants to defect on the last round. It might be interesting to retry with a number of rounds chosen randomly from 100 to 110 or where after 100 each round has a 25% chance of being the final round. However a large number of matches might be needed to offset the advantages of playing in some matches with a higher than average number of rounds.

Comment author: nerzhin 07 September 2011 12:40:58AM 1 point [-]

Or just prohibit the bots from knowing which round they are playing.

Comment author: JoshuaZ 07 September 2011 12:54:04AM 3 points [-]

If they are allowed to know the history of the bot they are playing against (that is, what it has done to them) then they have to know how many rounds they've played.

Comment author: nerzhin 07 September 2011 03:09:25PM 2 points [-]

Sure, but you could have a limit on how many rounds back they remember, or you could fill in the history with some rule.