[Computer-go] Arimaa bot notably stronger

Stefan Kaitschick stefan.kaitschick at hamburg.de
Thu Apr 23 12:07:34 PDT 2015


> On
> http://arimaa.com/arimaa/challenge/2015/showGames.cgi
> the games can be replayed.
>
> That's nice. Arimaa looks like a rather tedious game to actually play
> though.
>
I have never played it, but the idea seems to be to take the opponents
camel hostage at a sinkhole, and then go bossing around with your own camel
while the opponents elephant is occupied.(ok, that's at the level of a 30k
telling you how smart a ponnuki is)

>
> So, this is the second game (after Havannah) where programmers
> caught prize money for beating a strong/the strongest human player.
> Probably, game inventors will understand better now how risky such
> challenges are.
>
>
> It wasn't a million dollar challenge. Given the programming effort, 12k$
is not a huge amount of money.
I think this prize was offered with the idea of paying it out.




>
> PS. Perhaps, some tricks of bot_sharp may be applied to bots
> in "Connect6".
>

It's probably pretty confined to Arimaa. The whole game was designed to
confound bot tree search with the huge number of possible moves.
So it stands to reason, that good forward pruning is the key to the kingdom
here.

Funny, how the really powerful techniques are so often disappointing, when
you look behind the curtain.
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