Author: Robert Hyatt
Date: 06:57:40 02/08/01
Go up one level in this thread
On February 08, 2001 at 06:25:52, Uri Blass wrote:
>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
When Tinsley died, Chinook _became_ #1.
In fact, it became #1 _before_ Tinsley died as he resigned the match because
he was convinced Chinook was better than him at that point in time.
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