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Subject: Re: Tiger too selective ?

Author: Uri Blass

Date: 08:10:30 12/22/00

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On December 22, 2000 at 09:52:28, Vincent Lejeune wrote:

>
>[d]2r1k2r/5pp1/4p3/ppqpP3/4bQPP/1B6/PPP2R1R/2K5 b k -
>
>a4 ! is very strong (1...a4 2.Qf7 Kd8 3. Qxg7 Qe3+ -+)  but Tiger (2 versions)
>doesn't see this move
>
>How do perform other engines here ?

Tiger13 can  see this move but does not consider the move as best.

I saw it looking at this move  for some seconds at depth 13 and for more time at
depth 14.

If I tell tiger13 to look only at a4 it can see a bigger score for a4(1.70) at
depth 13 so I guess that it prunes at least 2 plies for a4.

If it prunes exactly 2 plies for a4 it means that it is probably going to see it
at depth 15.

I guess that it can see that a4 is bets at depth 15 or 16.

Uri



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