[computer-go] Details of AnchorMan

[Don Dailey]

Yes,  it should be (ws + wt)  not (ws - wt),  thanks for catching
that.

- Don

On Mon, 2007-02-05 at 16:30 -0600, Nick Apperson wrote:
> question:
> 
> should " if ( (bs + bt) - (ws - wt) > komi ) then black_wins else
> white_wins." be " if ( (bs + bt) - (ws + wt) > komi ) then black_wins
> else white_wins." ?  or maybe you meant "if ( (bs + bt - ws - wt) >
> komi ) then black_wins else white_wins." ? 
> 
> and floats are rounded down when converting to ints so even with komi
> as a float this should work.  This is how I do it too.
> 
> On 2/5/07, Don Dailey <drd at mit.edu> wrote:
>         Did you look at the games?   Sometimes there is something
>         obvious. 
>         For instance does it pass too early or lose games on forfeit?
>         
>         Although I can't see your code, I would suspect the following
>         problems:
>         
>           1.  Is the eye avoid routine 100% correct?
>         
>           2.  Are the moves actually uniformly random?  You cannot
>         just 
>               shuffle the list of moves for instance (without doing
>         other
>               things too.)
>         
>           3.  Make sure you are scoring the end of game correctly.
>         
>           4.  See if black is winning a lot more than white or visa
>         versa. 
>         
>         For 3,  you must consider komi correctly
>         and you must keep stats on the wins and losses,  not on the
>         amount of territory for each side - that would weaken you
>         signficiantly.
>         
>         Here is how my program scores: 
>         
>            if ( (bs + bt) - (ws - wt) > komi ) then black_wins else
>         white_wins.
>         
>           bs = black stones
>           bt = black territory
>           ws = white stones
>           wt = white territory
>           komi = integer komi (but it works with fractions too.) 
>         
>         - Don
>         
>         
>         
>         On Mon, 2007-02-05 at 16:57 -0500, Chris Fant wrote:
>         > I must still have some bugs.  Here's my current numbers:
>         >
>         > Stoned100k    1286
>         > Stoned10k     1009
>         > Stoned1k      755 
>         >
>         >
>         > On 2/5/07, Christoph Birk <birk at ociw.edu> wrote:
>         > > On Sat, 3 Feb 2007, Don Dailey wrote:
>         > >
>         > > > GenericMC_300K     1455.0 
>         > > > GenericMC_200K     1391.6
>         > > > GenericMC_10000    1142.9
>         > > > GenericMC_100K     1453.9
>         > >
>         > > I run theses once a week for a few hours to keep them on
>         the CGOS list. 
>         > >
>         > > myCtest1     10k     1075
>         > > myCtest5     50k     1385
>         > > myCtest25    250k    1445
>         > >
>         > > They do random playouts (from root) without any "tricks"
>         until only 
>         > > 1 point-eyes are left.
>         > >
>         > > Christoph
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