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Subject: Re: For Bas -- Tao 5.6 vs CM9000 20-game G-30 match -- ponder=on

Author: Uri Blass

Date: 03:01:13 03/15/04

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On March 15, 2004 at 05:34:36, Harald Faber wrote:

>On March 15, 2004 at 01:30:55, Kurt Utzinger wrote:
>
>>Hi John
>>Comparing the results:
>>CM9 vs Tao 5.6 (ponder=off) 13,5-6,5
>>CM9 vs Tao 5.6 (ponder=on)  15,0-5,0
>>we see (as usual) no significant difference as far as results are concerned
>>whether playing with ponder on/off and that's why I do no longer see any
>>reason to use two PC's for computer matches. True, the games are not the
>>same but this "disadvantage" is overcompensated by the fact that you can
>>play much more games with two computers. And in this way you have statistically
>>spoken more reliable results.
>>Kurt
>
>A) It is well-known that CM uses clearly more than 50% of the CPU. So when pb-on
>and pb-off do not make any difference in CPU usage of about 90% by theKing, I do
>not see why Tao could/should perform better with pb.

It is not well known and I guess that it is dependent on the opponent and the
conditions that you test.

I do not know if CM used more than 50% of the CPU in the relevant test.
The better result of Tao with ponder off suggests that CM did not use more than
50% of the cpu with ponder off.

Uri



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