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Subject: Re: Fine #70

Author: Michel Langeveld

Date: 12:09:32 10/15/03

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On October 15, 2003 at 13:21:20, Gerd Isenberg wrote:

>On October 15, 2003 at 12:37:43, Michel Langeveld wrote:
>
>>[D]8/k7/3p4/p2P1p2/P2P1P2/8/8/K7 w - -
>>
>>This position really bothers me ... and bothers nullmover...
>>nullmover takes a really long time to see that the pawn can be really won.
>>
>>At ply 23 we see the keymove Kb1, but it needs 26 ply after 6 minutes we see
>>that Kb1 wins a true pawn.
>>
>>The hashhit percentage is only 3%.
>>The FH is only 30%
>>
>>Do I have to be worried ... or is this still all normal?
>
>Hi Michel,
>
>no, absolutely not. There is something wrong with your hash-table.
>Hash-hits in IsiChess are about 70-80%, exact hits ~25%.
>Depth 30 with >3.00 score after 0.5 seconds on Athlon XP 2.6+.

Thanks for the hashnumbers ... I calculated my hashhits wrong.
I casted to an int ... and this made it go wrong because the hashhit
counter is bigger as 32 bit. I cast it now to a double and I hit around 50%
I will calculate the exact hits also.

>I'll hope you don't fix this severe bug until saturday ;-)

Yes I hope to fix it also :-)




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