[Computer-go] KGS bot tournaments: structure

Gonçalo Mendes Ferreira gonmf at sapo.pt
Tue May 10 02:12:20 PDT 2016

Knowing full well this adds nothing to the discussion -- I've been
working on improvements of Matilda that have it with win rates of 95%
against the version that played sunday. :)

I'm very much looking forward to a rematch with Iomrascálaí.


On 10/05/2016 08:45, Urban Hafner wrote:
> That sounds like a good compromise to me. And the lower devision would
> hopefully encourage other participants with weaker bots so that Iomrascálaí
> and matilda don’t feel so alone. ;)
> Urban
> On Tue, May 10, 2016 at 9:15 AM, Nick Wedd <maproom at gmail.com> wrote:
>> At present, KGS bot tournaments are run as Swiss tournaments.  Entry is
>> restricted to bots able to beat GNU Go, which is rated at 7k.
>> Two suggestions have been made recently for changes in the structure.  One
>> is to allow bots of any strength to enter, and to have two divisions, with
>> those unable to beat GNU Go in the lower division.  The other is to use
>> McMahon instead of Swiss.
>> A problem with McMahon is that the scheduling software (a module of the
>> KGS server, which I have no control over) uses the ratings assigned by KGS,
>> and many bots do not have such ratings. I don't think it's reasonable to
>> require all entrants to have rated bot status.  Rated bot status is granted
>> only to *stable* bots, ones which do not change rapidly in strength and
>> thereby upset the ratings of their opponents.  I think it's fine for
>> someone to enter an experimental bot of unknown strength in a tournament,
>> but such a bot cannot have a KGS rating.
>> Maybe we could combine the two suggestions.  Have two divisions: upper
>> division McMahon, with entrants required to have KGS ratings of 7k or
>> better; lower division open.  I would like to hear people's views on this -
>> and any more suggestions they have.
>> Nick
>> --
>> Nick Wedd      maproom at gmail.com
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