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Subject: Re: Rebel-v/d Wiel on P3 866 MHz

Author: Uri Blass

Date: 11:37:49 01/05/01

Go up one level in this thread


On January 05, 2001 at 14:09:24, Robert Hyatt wrote:

>On January 05, 2001 at 08:50:43, José Carlos wrote:
>
>>On January 05, 2001 at 08:38:07, Uri Blass wrote:
>>
>>>On January 05, 2001 at 08:04:38, Ulrich Tuerke wrote:
>>>
>>>>On January 05, 2001 at 07:50:42, Mark Schreiber wrote:
>>>>
>>>>>In the match with v/d Wiel, Rebel is running on P3 866 MHz. Using a faster
>>>>>computer would be an improvemnt. Maybe a P4 1.5 GHz. They could also improve
>>>>>Rebel to run on dual or multi processor like Junior. The Junior that ran on an 8
>>>>>processor at Dortmund would clobber v/d Wiel. At Dortmund, Junior performed at
>>>>>Fide 2700.
>>>>
>>>>You are wrong. Van der Wiel enforces games which are highly non-tactically. A
>>>>high node/sec won't help here. Deep Junior would have the same trouble.
>>>>
>>>>Uli
>>>
>>>I disagree.
>>>Programs can find better positional moves when they search deeper.
>>
>>  But the curve strength/speed in non-tactical positions is almost flat.
>>  For examples, if a program doesn't understand weak pawns, a speed improvment
>>won't help it unless it can find the loss of the pawn, which turns the position
>>into tactics.
>>  I understand speed can help sometimes in strategical positions, very few IMO.
>>
>>  José C.
>>
>>>Uri
>
>
>Speed is absolutely _not_ going to repair holes in a program's evaluation.  If
>it is missing something important (say how to handle blocked pawn positions)
>then making it run 10x faster won't help one iota...

Deeper search can help to repair holes in program evaluation.

It is possible that the program does not understand that a move is not good
because the opponent has a positional advantage at small depth but at big depth
it can see that the opponent can get a positional advantage that it knows to
evaluate.

Uri



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