Re: [computer-go] SlugGo v.s. Many Faces

[Houman Ghahremanlou <houmi1@xxxxxxxxx>]

Interesting!

What is the current Go Rankings, is there even such a thing ?

Thanks,
Houman

On Mon, 23 Aug 2004 21:01:52 -0700, David G Doshay <ddoshay@xxxxxxxxxxxxxxxxx> wrote:
> Hello all,
> 
> Over the last year I have mentioned a few times that I am working on a
> Go project. We call our code SlugGo, partly because the banana slug is
> the mascot of UCSC where the work is being done, and partly because the
> program runs very slowly in spite of the fact that it is spread over a
> cluster of the latest G5 Macs.
> 
> SlugGo starts with GNU Go and adds parallel whole board lookahead.
> SlugGo uses GNU Go to generate candidate moves from each player's
> perspective and adds to the GNU Go move value additional values
> depending upon the whole board positions at the end of the lookahead to
> determine which of the candidate moves to select. The primary reason
> the code is so very slow is that we have found a lookahead depth of 16
> works very well, and it thus takes a bit more than 16 times as long as
> GNU Go to settle on its move.
> 
> We have been encouraged by our success against the GNU Go base code,
> where we can win about 70% of the games when giving GNU Go a 5 stone
> handicap, but were worried that our success was primarily the result of
> our correctly guessing the responses to our move choices because they
> are all generated by GNU Go, that is to say that we know exactly how
> our opponent thinks.
> 
> We are now confident that we are indeed much stronger than GNU Go
> because of our results against Many Faces of Go.
> 
> In a 15 game set against Many faces, with Many Faces playing Black and
> no komi, the results are:
> 
> Black wins by 33
>        White wins by 126
>        White wins by 59
>        White wins by 67
> Black wins by 15
>        White wins by 73
>        White wins by 40
>        White wins by 17
>        White wins by 25
> A very complicated endgame board where perhaps White wins by 76, but if
> play were to resume again perhaps black could pull off a win by
> something like 20. I have not worked this one out completely.
> Black wins by 75
>        White wins by 58
>        White wins by 21
>        White wins by 125
> 
> The sgf files for these games can be downloaded from:
> 
>        http://hsrf-mc2.cse.ucsc.edu/~cowboy/mfgo_sluggo.tar.gz
> 
> We also have 10 more game results, also with MFG playing Black and no
> komi:
> 
>        White wins by 24
>        White wins by 2
>        White wins by 42
>        White wins by 54
>        White wins by 41
>        White wins by 1
> Black wins by 4
>        White wins by 32
>        White wins by 53
> Black wins by 21
> 
> but we have not posted these sgf files yet.
> 
> So, SlugGo wins about 20 out of 25 from Many Faces. We will continue
> this contest against Many Faces until we have 100 games.
> 
> We will continue to make our results available as we have them.
> 
> Cheers,
> David
> 
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