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Subject: Re: 31.g4 a hard move for Fritz5.

Author: Robert Hyatt

Date: 15:04:44 08/27/98

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On August 27, 1998 at 13:27:07, blass uri wrote:

>
>On August 26, 1998 at 15:47:19, Robert Hyatt wrote:
>
>>On August 26, 1998 at 15:29:15, blass uri wrote:
>>
>>>On August 26, 1998 at 13:54:17, blass uri wrote:
>>>
>>>>On August 26, 1998 at 12:41:23, Robert Henry Durrett wrote:
>>>>
>>>>>From a chessplayer's perspective, this was a very interesting and exciting game.
>>>>> I watched it on ICC and found the comments of the observers [about 50 of them]
>>>>>to be very interesting.  There were several masters [2500+] commenting on the
>>>>>game.
>>>>>
>>>>>From a chess engine designer's perspective, what was learned here about Junior
>>>>>and about chess engines in general?
>>>>>
>>>>>What were the most "revealing" moves from a engine design perspective?
>>>>>
>>>>>Anybody know when Junior was out of it's opening book?
>>>>>
>>>>>[Sorry I don't have answers here.]
>>>>what is the result of the game?
>>>>I looked at www.chessclub.com but I do not know where to find the games
>>>>They suggest me to register but I do not want to play there.
>>>>I want only to see the game.
>>>>
>>>>Uri
>>
>>
>>You can log on and look at junior50...  I suppose Amir saved the game
>>in the liblist for that id, I am not sure.
>>
>>A quick description:
>>
>>  Junior was white, and had a comfortable position until it played Rh5,
>>to start something against the black king.  The rook was out of place
>>there and this cost Junior a pawn 10 moves or so later.  The GM saw this,
>>and went about the business of piling up on white's pawns at c4/d4 and
>>won one.  The the GM overlooked a fairly simple tactic (to a program)
>>where Junior played g4 and found a perpetual check.  It took Crafty about
>>15 seconds to spot this, so I assume Junior saw it almost instantly as well.
>
>Junior(16bit) needed 8 minutes to find g4 in my pentium200MMX
>The problem was not only to find g4 but to realize that Rh5 give black a better
>position
>
>Fritz5 cannot find g4 after 20 minutes.
>It prefered h3 like Genius3
>after g4 fritz5 evaluate black position as better with the line Qd6 gxf5 e5...
>evaluations -0.59/12 and -0.63/13
>


strange.  Crafty took about 30 seconds to find it as best, and at 1:30 it
was saying 0.00 for the eval, where it stuck for the remainder of the
game...


>Uri
>>
>>The game ended in a draw...  early white looked better, later black was
>>probably winning, then the g4 shot that led to the perpetual.  Next game at
>>around 9am CDT tomorrow...



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