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Arimaa >> General Discussion >> History of Arimaa rules
(Message started by: deep_blue on Nov 6th, 2019, 7:09am)

Title: History of Arimaa rules
Post by deep_blue on Nov 6th, 2019, 7:09am
Is there a history page of how the Arimaa rules changed over time?
I am looking to analyze all HvH games with sharp and so I'm wondering if there are old different rules that should be kept in mind. (e.g. a different repetition rule was mentioned, which could crash sharp I guess)

Title: Re: History of Arimaa rules
Post by deep_blue on Nov 7th, 2019, 10:13am
Here is a game that crashed sharp, I am somewhat surprised that in 2005 the rules still were that different (considering the bot of that time, bomb2005 has been a staple ever since): http://arimaa.com/arimaa/games/jsShowGame.cgi?gid=14233&s=b This position should have ended after move 36 by elimination.

Title: Re: History of Arimaa rules
Post by risteall on Nov 7th, 2019, 1:47pm
According to http://arimaa.com/arimaa/forum/cgi/YaBB.cgi?board=talk;action=display;num=1213818953;start=0, there were three rule changes in mid-2008: elimination, score and repetition becoming illegal rather than a loss. The introduction of elimination removed draws.

Title: Re: History of Arimaa rules
Post by deep_blue on Nov 7th, 2019, 5:13pm
Yes, I eventually found that thread too. Though it still leaves the question whether that's the only ever rule change since the creation of game archives. I guess I could implement elimination myself in my analysis program and then see if sharp breaks down on anything else.



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