Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: Pairing question about Ikarus

Author: Robert Hyatt

Date: 17:48:35 02/23/03

Go up one level in this thread


On February 22, 2003 at 17:27:17, Uri Blass wrote:

>On February 22, 2003 at 16:58:12, Robert Hyatt wrote:
>
>>On February 22, 2003 at 09:29:47, Rolf Tueschen wrote:
>>
>>>On February 22, 2003 at 09:25:16, Robert Hyatt wrote:
>>>
>>>>On February 22, 2003 at 08:54:30, Rolf Tueschen wrote:
>>>>
>>>>>I read 6: Ikarus     3.5 /  6    2b= 13w+  1w=  4b=  3w- 14b+.
>>>>>
>>>>>So that means that Ikarus although playing the placed 1, 2, 3, 4 progs, it could
>>>>>get full points against the last and pre-last. Placed om 14 and 13.
>>>>>Is this ok? Something seems to be wrong or biased. Point is that a game against
>>>>>14 is a SURE win. That is as if a top program after a loss or two draws got a
>>>>>point for free. Note Ikarus had 2,5 pts before playing Matador with 0.5 pts.
>>>>>
>>>>>Could some expert explain why such things are still possible?
>>>>>
>>>>>Rolf Tueschen
>>>>
>>>>
>>>>Too few programs, too many rounds.
>>>
>>>Also, many progs get a "good" result and that is also a good side-effect we
>>>should consider. What would be the optimal number of rounds for 14 participants?
>>>
>>>Rolf Tueschen
>>
>>optimal number of rounds is log2(N) rounded up to the next integer value.
>>In this case 4 rounds, is optimal, 5 acceptable.
>
>I do not agree.
>
>more rounds give bigger chance that the winner is not by luck.
>I do not agree with a theory that claims that less rounds is better.
>
>Uri


The math is easy.  A round robin is best.  Lacking that, the simple Swiss
system is all we have.  Too many rounds clouds things up, not clears them
up.

If you want a _winner_.  Which has nothing to do with finding out which program
is better.



This page took 0 seconds to execute

Last modified: Thu, 15 Apr 21 08:11:13 -0700

Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.