On Sun, Sep 6, 2009 at 1:25 PM, Benjamin Teuberbenjamin.teu...@web.de wrote:
is dynamic komi not also usefull for
- early pass, (only play if a move is better than a pass)
Maybe, as you can define better move by there is a dynkomi x where
one loses while the other wins. But you'd need O(log(x_max)) runs to
find it out.
- preventing horizon effect. (pushing losses over the search horizon)
(not so sure about this but MTSC/ utc doesn't seem to prevent it on
its own, what i find s bit puzelling on its self)
I don't know how to do this - do you have a concrete idea?
-strong play in lost games. preventing braindead moves
(even if the game is lost the program can still play strong, just
adjust the komi so that some moves are better than others)
resignation can than be defined as points behind. (resign if more
than 5 points behind but keep playing if 1-4 points behind)
-strongest play at won positions, (if all moves lead to a win, dynamic
komi can decide what is the best move)
Definitely.
i think the above (early pass , horizon effect and braindead moves)
hang together,
a program will value a sure result of a 1 point loss lower than a less
sure (more moves till the end) loss of more points.
(they are both losses, but in the second situation the program can
imagine a remote chance on a win)
- whole number komi.
for player just play like the komi higher (for white) or lower (for
black) so for the program a dfraw become a win for the player.
(but even then a win is better than a draw, so it is all a bit
fidely but whith the progress on the 9x9 front, when solving small
board go comes into view the problems around whole number komi needs
addresing.
If all moves lose with -0.5 dynkomi, play the best move at +0.5
dynkomi, so yes.
There is more to concideer here..
suppose the perfect komi for 9x9 is 7 (we don't know what it is but
it will be an odd whole number)
suppose white is to move.
first question would be can white win with an internal komi of 6.5 7-
(that means that white can win)
if he cannot
then can he win with an internal komi of 7.5 (that means he can draw the game)
This is only a riough outline. still a lot to philosophise about.
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