Author: Uri Blass
Date: 03:25:52 02/08/01
Go up one level in this thread
On February 08, 2001 at 06:17:09, martin fierz wrote:
>On February 08, 2001 at 05:26:40, Uri Blass wrote:
>
>>On February 08, 2001 at 04:24:11, David Blackman wrote:
>>
>>>On February 07, 2001 at 16:41:28, Tanya Deborah wrote:
>>>
>>>>
>>>>
>>>>Hi!
>>>>
>>>>I am playing a new match in checkers between the 2 strongest Spanish checkers
>>>>programs of the world...
>>>
>>>Just curious, is "Spanish checkers" the same game as "Polish Draughts",
>>>"International Draughts", "Damen" etc?
>
>there are about a zillion different rules for checkers - a nice overview can be
>found on
>
>http://www.triplejump.net/rules.shtml
>
>>>According to people who have tried, it is a bit harder to
>>>write a strong program
>>>for it than for chess.
>>
>>I think that the opposite is truth.
>>I remember that I read that chinook won against the world champion in this game
>>before Deeper blue(I read that the result was 2:1 and 67 draws).
>
>it depends on the variation. the main differences are the board sizes (8x8,
>10x10 and even 12x12), and the rule for kings. in some variations, kings move
>like kings in chess, in others, like queens. of course the queens-variation
>allows many more moves than the kings-variation. if you play a queens-variation
>on a 10x10 board ('international checkers', 20 pieces each) you have *much* more
>complexity than if you play a kings-variation on an 8x8 board (as my program
>does, 'straight checkers'). i think vincent diepeveen's checkers program plays
>international checkers, so he might be able to tell us what the difference in
>branching factor is compared to chess. in straight checkers you get *lots* of
>draws. chinook never really beat the world champion (tinsley) over the board,
>tinsley got ill during the rematch (he won the first match) after six draws and
>forfeited his title. he died shortly after this. chinook then won a match
>against the world number two with a close result.
If number 1 died then number 2 automatically becomes number 1 so chinook played
against number 1.
Uri
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