[Computer-go] Beta 2 of Standard Engines now available

Robert Finking robertfinkng555 at o2.co.uk
Mon Nov 1 14:53:08 PDT 2010

Hi Markus,

Excellent. Very kind of you. The more the merrier I think - especially 
anything that brings diversity such as NeuroGo obviously will. I am 
happy to attempt to build under windows - if it doesn't work, nothing 
lost. Assuming it does build, you will have to tell me how to configure 
it (assuming the command line doesn't have an obvious --help or 
similar). Other than that, I see no problems.

How big is the zipped source? Feel free to mail it to me or point me to 
a link. Not sure how soon I will get beta3 out, but will do my best to 
include it when I do.

Thanks for the generous offer.



PS if 2 ply is weaker that doesn't mean we can't use it - GnuGo3.8 with 
100 playouts is weaker than either 10 playouts, but it is still useful I 

On 31/10/2010 11:44, Markus Enzenberger wrote:
> If someone is interested in adding NeuroGo to the 9x9 standard
> engines, I am willing to send him the source code under a GPL license.
> However, the source code is a horrible mess, I won't provide any
> support, and it is only guaranteed to work without changes on Linux
> (it may compile and work without changes on Windows with cygwin, but I
> have never tested this).
> If run with a fixed search depth of one, NeuroGo needs nearly no CPU
> time and still provides a player with a playing strength of about
> 100-150 Elo weaker than GNU Go (on 9x9) and a completely different
> playing style. If using the full five minutes per game for searching,
> it is about 50 Elo stronger than GNU Go, but then the playing strength
> depends on the hardware. On a fast modern machine, it may be possible
> to run it with a fixed search depth of three, but on my Core2 Duo 2.6
> GHz CPU that sometimes exceeded the five minutes per game and
> therefore lost games. Unfortunately, search depth two is not an
> option, because it is weaker than depth one.
> Theoretically, it can also play on 19x19, but it is very weak there.
> - Markus
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