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Subject: Re: a test position for Fritz7 and futility pruning

Author: Torstein Hall

Date: 11:29:41 02/08/02

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On February 07, 2002 at 12:49:32, Uri Blass wrote:

>[D]4rnk1/pp1q1ppp/2p4r/3p4/3P4/4P1NP/PPQ2PP1/R3R1K1 w - - 0 1
>
>
>I read that in this position Fritz7 could find b4 only without futility pruning.
>
>I have 3 questions:
>
>1)Is 1.b4 the only best move for white?

I do not know if b4. is the best move, but it looks like a claasical minority
attack to me. After the pawn reach b5, you either force black to take with the c
pawn, after he has a single d pawn, or you take on c6 in he has another weaknes,
the backward pawn on c6.
I think this weakness alone is not enough to win the game against best play, but
for sure white has the better of it.
Torstein

>
>I believe that humans do not understand much about chess and the fact that
>humans said that b4 is the best move is not enough to convince me.
>
>I will be more convinced if I find that Fritz can win a game against itself
>after 1.b4 and cannot win a game against itself after a different move that it
>prefers.
>
>
>
>2)Can Fritz with the default setting(futility pruning) find 1.b4 after enough
>time?
>
>3)Does Fritz(without futility pruning) find b4 without changing it's mind(please
>test for a long time)
>
>Uri



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