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Subject: my shredder5 wont play the deep moves in the insomniac game--why?

Author: K. Burcham

Date: 19:16:12 05/26/01




a game posted here that deep shredder on dual 800's, lost to insomniac,
i cannot get my shredder5 (no patch), 1460 mhz 300 megs hash, 768 megs ram,
to make the same moves.

for example move 11. the deep shredder played hxg4.

my shredder5 wants to exchange bishops and attack the queen.
this move would be Bxg4.

i thought maybe it would change to hxg4, but it never did.
the 1460 is probably searching about the same kns as the dual 800's.
during move 11, shredder5 was searching about 290 kns.

after 10 minutes analysing move 11, shredder5 says the move deep shredder chose
is .5 worse than its choice.

in other words   deep shredder     hxg4  -.5
                 shredder5         Bxg4   .0


and there are several other examples in this same game.

how do we explain this?

if deep shredder has the same search as shredder5, and if both programs search
the same number of nodes for move 11, then how do we explain this?

thanks



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