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Subject: Re: NOLOT 3,6,9 -- working backwards

Author: Dann Corbit

Date: 16:31:27 01/18/00

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On January 18, 2000 at 18:32:37, Vincent Diepeveen wrote:
>On January 18, 2000 at 18:22:44, Vincent Diepeveen wrote:
>>On January 18, 2000 at 18:19:59, Dann Corbit wrote:
>>
>>>On January 18, 2000 at 18:18:37, Vincent Diepeveen wrote:
>>>[snip]
>>>>Right. For some reason i feel i'm enthusiastically reading everything
>>>>you write on this subject but am hardly gonna show analysis except from
>>>>Deep Blue against some dude :)
>>>
>>>But I'm hoping you'll get right on it and solve it for the rest of us.
>>>;-)
>>
>>I have many thousands of those analysis done over the past years,
>>when talking about evaluation :)
>
>Note that majority of bugfixes in my evaluation are by accident. This is
>really stupid. For example i am busy with a certain position and certain
>pattern, and then by accident i see that some other pattern that has
>nothing to do with it produces crap scores.
>
>What i do now is also making in my c++ interface (as soon as it works)
>a feature to show for which SIDE the score is. Whether it's score from
>white viewpoint, or score from piece viewpoint or score from side to move
>viewpoint.
>
>This bug has been hunting me really too much!
>
>Current problem i have is from a standard rated game secret against
>rebeltiger at icc.
>
>[d]7r/5p2/2pprk2/p1p1bNp1/2P1P1P1/1P1R1P1P/P3K3/3R4 w KQkq - 0 1
>
>diep played the incredible blunder h4?? here for several reasons.
>It thought passed pawn was not that well at h4 for some weird reasons,
>basically giving 0.6 pawns for black at h4 passer
>after h4 gh nd6 something nf5 then the black pawns at c5,c6 get basically
>penalized 0.8 pawns.
>
>Besides this there are of course other bonusses/penalties, but most are
>of minor concern and worth a lot less points.
>
>Basically that passed pawn at h4 must get more bonus than
>the doubled pawn at c5,c6.
>
>So in other words, i'm working at the endgame now!
Crafty likes Rh1, and sticks with it forever with a ce of about +1.6

If I were playing, I would probably have lost because I would have played Nxd6.



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