[Computer-go] How many probes down the tree are necessary for a "good" bot?

Stefan Kaitschick stefan.kaitschick at hamburg.de
Fri Nov 15 01:13:08 PST 2013


When you do only a single playout, you dont even need a playout, just
generate the first move candidate - voilá. :-)

Closed sources are indeed regretable at this point.
Before, it sparked a kind of bot war, and the greatest technical
advances are always made at war time.
But now that the top bots are kind of treading water, looking for the
next breakthrough, it's truly harmful.
And my feeling is, that the attitude has also changed on the
"academic", open source side.
I only know that this forum used to present really interesting ideas,
but now that is seldom the case.
Possibly the problems have become too technical for general discussion.
But more plausible to me is, that  programmers are trying to avoid a
onesided disadvantage, and are discussing
their ideas in private.
Well, no use crying over spilt milk.(As I, admittedly, just have)


Stefan



On Fri, Nov 15, 2013 at 12:59 AM, Darren Cook <darren at dcook.org> wrote:
>>> ... I'm going by the "Measuring program strength" thread (Aug
>>> 3013) where people are getting 50% against GnuGo with 1K to 10K playouts.)
>>
>> Actually, in that thread Hiroshi was saying he only needs 350
>> playouts, and Detlef was at 700. So it seems you're off by roughly a
>> factor 10.
>
> Yes, I was surprised just how heavy the Aya (and Zen) playouts must be.
> We've almost come full loop, and soon the programs will be traditional
> computer go programs doing a single playout ;-)
>
> It is a shame the developer's skill is all dead knowledge (not open
> source, no papers). :-(
>
> Darren
>
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