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Subject: Re: Junior5

Author: Amir Ban

Date: 06:11:36 09/24/98

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On September 24, 1998 at 08:35:36, Dave Gomboc wrote:

>On September 24, 1998 at 03:07:41, Dirk Frickenschmidt wrote:
>
>>Hi all of you,
>>
>>finally I can return to playing tournament testgames (on two 200MMX machinces
>>with 64Mb each).
>>
>>Although Junior's first game against Fritz5 became a draw, it was a long
>>positional and tactical struggle.
>>
>>In this Meran variation of the Semi-Slav black has the pair of bishops and
>>considerable pressure on the white queenside, while having to handle pawn
>>weaknesses around its king with active play, thus preventing a direct white
>>attack against the black king. Nvertheless white has to try to exploit the black
>>weaknesses, while defending the queenside as long as possible not to suffer from
>>a bad endgame.
>>
>>The black variation is 9... c5 is a typical choice by GM Sveshnikov, who has
>>been using it successfully since 1977 and scored only wins and draws while using
>>it for black.
>>
>>Both programs managed to balance attack and defence jobs very well, and white
>>was gaining some positional advantage during the middlegame. But after the black
>>35....Rxg3 (a move both programs "understood") Junior5 got king weaknesses
>>itself and was not able to gain a decisive advantage in the end.
>
>This was a very interesting game to me.  When I played over it without a
>computer crunching on the positions, I thought Black's position was better from
>around 21...c4 through the 35...Rxg3 period.  I went back to read your message a
>second time, thinking that I had misread your comments the first time around.
>But no, you said that White had been gaining some positional advantage.  I then
>booted up crafty, and it thinks that White's position is pretty good after
>21...c4 (we're talking almost a pawn plus).  Are there any programs that agree
>with me?  Should they?  Maybe I am just completely misevaluating the position?
>I thought that the space advantage was worth a lot, White's rooks were passive,
>and while Black's kingside weakness would probably prevent a win, Black still
>had all the play.  Probably that last bit is overly brash, but I am having a
>hard time believing that White's position is actually better!
>
>Dave Gomboc
>

It was a typical Junior - Fritz disagreement about king-safety and space issues.
Fritz evaluates them more aggressively and gets excellent results from this. I
think in some positions it over-evaluates, but it's a gamble, just like
accepting a gambit, and you need to be tactically competent to survive in such
positions.

Amir



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