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Subject: Shredder(s) possible bug?

Author: Joshua Haglund

Date: 11:02:24 05/18/05

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>>
>>What I've done experimentally against Pablo "Father" was increase the decrease
>>the time usage by 400-900%. It used time pressure on him, versus the other way
>>around. This caused blunders if I were lucky :) 2 or so years later, I don't
>>think this would work as well against Pablo today. He's improved :)
>>
>>I've posted a game awhile ago, between me and Shredder 9.
>>
>>I was about 8.00 points down and of course it was an anti-chess closed position.
>>Shredder avoided the 50 move rule by sacrafice of his bishop and queen, if I
>>remember right. Shredder resigned after the blunders. This is seen in both S8 &
>>S9 to avoid 50-move rule, especially pawn advancements.
>>
>>Joshua Haglund
>>toneewa@yahoo.com
>
>Computer will not choose losing sacrifices against antichess except maybe if
>they are in very serious time trouble.
>
>I guess that playing faster earlier in the game solve the problem of  the stupid
>sacrifices of Shredder because in that case it will have significantly more time
>later so practically it will play slower near move 150.
>
>It is also easy to tell programs at the same time to use more time if the first
>move or the second move in the pv is a capture.
>
>Uri

Note: this might be a small bug at the 50-move rule in Shredder(s). It's hard to
get to the 50-move rule where there are no good pieces to exchange or push a
pawn.

As to Deep Junior 9, it will just claim a draw right away instead of fighting
the closed position.

Joshua Haglund
toneewa@yahoo.com



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