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Subject: Re: CCRL: ChessTiger 2004 v Toga II 1.1a

Author: Eduard Nemeth

Date: 04:01:27 03/06/06

Go up one level in this thread


On March 06, 2006 at 05:57:42, Kirill Kryukov wrote:

>Hi Eduard,
>
>On March 06, 2006 at 03:30:31, Eduard Nemeth wrote:
>
>>Thanks for testing Sarah!
>>
>>Question: Why is Hiarcs 10 hypermodern on place 4 and Toga II 1.1a only on
>>place 5?
>>
>>See here:
>>
>>4 Hiarcs 10 Hypermodern 2832 +27 −27 55.4% 2799.3 41.8% 400
>>5 Toga II 1.1a          2832 +24 −24 55.4% 2797.2 36.9% 558
>
>Toga II 1.1a has rank 5 in our list (I guess you refer to the "All versions"
>list here), and Hiarcs 10 Hypermodern has no any rank, because its brother
>Hiarcs 10 (default) performed slightly better. So there is no "4" next to
>Hypermodern, it simply has no rank, so you compare it with the others by rating
>only.
>
>
>>1. Toga played more games.
>>2. the score difference by Toga is only +24 -24, by Hiarcs 10 +27 -27, also
>>weaker then Toga!
>
>You can't use this logic to say that one engine is stronger than the other. Even
>if one engine has intervals +10 -10 and the other +100 -100, you can't say the
>first one is stronger if they have the same estimated rating. With more testing
>it may turn out stronger or weaker, there is no way to know.
>
>
>>I my eyes Toga 1.1a should be now on place 4. Where I am wrong?
>
>"Hiarcs 10" (default) has rank 4. Toga 1.1a has lower rating so its rank is 5.
>
>
>Best,
>Kirill


OK, I understand now.


Thanks,
ED.



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