I did a quick study of rz-74 and when playing BLACK against gnugo we get
mostly very close scores, indicative of Monte Carlo:

     20 B+1.5
      7 B+3.5
      1 B+5.5
      1 B+Illegal
      4 B+Resign
      1 W+Resign
      1 W+Time

Results when playing WHITE against Gnugo-3.7.10*

      2 B+Resign
      1 B+Time
     21 W+0.5
      1 W+14.5
      6 W+2.5
      2 W+4.5
      4 W+Resign


The results makes me think this is a Monte Carlo program which I guess
is no surprise.  

Ok, let me do a statistical analysis of the moves and see which known
program it plays most like and we can figure out the author ... just
kidding :-)

- Don




On Mon, 2008-08-18 at 13:29 +0200, Rémi Coulom wrote:
> Hi,
> 
> Anybody knows what is rz-74? It is playing very strong at 19x19, and it 
> looks like nothing I have seen before. Monte-Carlo with a lot of domain 
> knowledge, maybe. A very strong classical program converted to 
> Monte-Carlo would be my guess. Probably not MonteGNU. Handtalk? Go++?
> 
> Very interesting mystery program, anyways.
> 
> Rémi
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