[computer-go] 19x19 Study - prior in bayeselo, and KGS study

[steve uurtamo]

> I 
would 
agree 
at 
100% 
if 
it 
wasn't 
for 
the 
known 
limitations:
> Nakade, 
not 
filling 
own 
eyes, 
etc. 
Because 
the 
program 
is 
blind
> to 
them 
it 
is 
blind 
in 
both 
senses: 
it 
does 
not 
consider 
those
> moves 
when 
defending, 
but 
it 
does 
not 
consider 
them 
when 
attacking
> either.

this is well said.

one problem with testing this is that there aren't a lot of good examples
of programs that can scale as easily but which are known to not have
these disadvantages.  it's not an issue of time, really -- anything that
can scale as well as mogo would have been worth testing, even if it took 2x as
long to run, simply because it'd be nice for mogo to have some alternate
competition.  and if it really did avoid these particular faults (nakade in the
corner, not filling own eyes, correct seki knowledge, etc.), it'd be
interesting to see when the two programs "crossed over", i.e. at what
ELO one started to dominate the other.  that would give a rough idea about
the strength you'd need to be in order to take advantage of these flaws.

my guess is that anyone at the 1k level can generate these situations
with some regularity on a 9x9 board, and even more easily on a bigger board.
making them game-altering, however, might take a much stronger player, or
a much bigger board.  i don't mean because bigger boards are harder for
programs to read, i literally mean simply because there is more room on
the board.

s.



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