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Subject: Re: "Piece List" - Administration?

Author: Dann Corbit

Date: 10:27:24 03/03/03

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On March 03, 2003 at 13:18:41, Andreas Guettinger wrote:

>On March 03, 2003 at 11:44:29, Albert Bertilsson wrote:
>
>>Here is how I do it:
>>
>>Have a piece list per side, one counter for each side telling the number of
>>pieces.
>>
>>If you make a capture, swap the piece last in the array with the captured piece
>>and decrease the counter for that list.
>>
>>For the captured piece in the list you need to store is original list position.
>>
>>In undo move you can just increase the counter and swap the piece back.
>>
>>/Regards Albert
>
>I have a similar piece list. Because I want it sorted from the highest to the
>lowest valued piece (for SEE/MVA), some small sorting is needed during
>promotion. Recently I thought if it would not be faster to just copy the whole
>picelist before domove() and restore it after undomove(). Any ideas?

Have a separate piece list for every piece type.  Then it is always sorted
without any work.



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