On Sun, Sep 6, 2009 at 1:25 PM, Benjamin Teuber<benjamin.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. _______________________________________________ > computer-go mailing list > computer-go@computer-go.org > http://www.computer-go.org/mailman/listinfo/computer-go/ > _______________________________________________ computer-go mailing list computer-go@computer-go.org http://www.computer-go.org/mailman/listinfo/computer-go/
