Author: Ricardo Gibert
Date: 18:43:59 09/13/00
Go up one level in this thread
On September 13, 2000 at 17:12:07, Andreas Herrmann wrote:
>Hello,
>
>i want to include pawn hash tables in my chess program holmes, but i don't know
>how i have to calculate the hash index and the hash key.
>I think the hash index of the position will only calculated with the pawns on
>the board like the following,
>
>for (pos=A1;pos<=h8;pos=pos+1) {
> if (figure[pos]=pawn) {
> PawnHashIndex = PawnHashIndex ^ RandomIndex[pos].index;
> }
>}
>
>is this right??
>
>How can i get a good hash key? What have i calculate with xor?
>
>Thanks for each information.
>
>Andreas
>
>
>www.wbholmes.de
http://www.netlib.org/utk/lsi/pcwLSI/text/node346.html
http://www.ics.uci.edu/~eppstein/180a/970424.html
http://members.nbci.com/dbreuker/thesis/index.html
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