Hello Terry,
Sylvain,
Were you aware of this challenge from the American Go Association? The
following is from the latest AGA newsletter; you can send corrections or
replies to [EMAIL PROTECTED]
Yes I was aware, Roy Laird asked me to put MoGo on KGS to play these games,
and it is what I did.
Of course as experts, you should have noticed errors on this newsletter, as
e.g. MoGo developed by the inventors of UCT in hungary :-).
You should also know that we never claimed that "MoGo plays 9x9 go near the
level of a professional go player", which is of course false, and even if it
was true should ask for many many experiments, and we would have never say
that.
These games are in some extends interesting, especially for part of you who
can understand them. I can't, so the best I can do is count, and there are
so few to count ;-).
To answer peigang, the 10 minutes is here because players on KGS usually
don't want to wait, and want not too slow games. For the komi, it may be
right that MoGo wins more often with white than black, I don't know.
Sylvain
*GO ONLINE:* MoGo -- No-Go, So-So or Uh-Oh?
Go has been called "The fruit fly of IT", and for a good reason --
although software engineers have created programs that can defeat the
strongest chess players, the strongest go programs are routinely defeated by
talented children. In fact, go is the lone holdout, the only classic game
that has not yet been "solved" (so to speak) for the computer. If you wonder
why, the Wikipedia article on computer
go<http://w3.listlynx.com/l.php?m=1052&s=451912&l=aHR0cDovL2VuLndpa2lwZWRpYS5vcmcvd2lraS9Db21wdXRlcl9nbw%3D%3D>is
a good place to start.
One way to simplify the problem is to work with a smaller board, an
approach followed by Levente Kocsis and Csaba Szepesvari, who are working
together at the Hungarian Academy of Science on a 9x9 program called MoGo.
Their recent claim that MoGo plays 9x9 go "near the level of a professional
go player made international
news<http://w3.listlynx.com/l.php?m=1052&s=451912&l=aHR0cDovL2FiY25ld3MuZ28uY29tL1VTL3dpcmVTdG9yeT9pZD0yODkxNjc5>so
we decided to investigate.
Sylvain Gelly, a contributor to the program, clarified the "one-armed
bandit strategy," a variation of the ancient Chinese proverb "Rich men don't
pick fights." Gelly told the EJ that "MoGo tries to maximize its winning
probability. When behind, MoGo will play 'strange' moves to try to catch up,
and when ahead, it will prefer safe moves which secure victory instead of
keeping score. Usually it loses points when ahead, trading profit for
safety, aiming to win by +0.5." To learn more see the Sensei's Library
MoGo<http://w3.listlynx.com/l.php?m=1052&s=451912&l=aHR0cDovL3NlbnNlaXMueG1wLm5ldC8%2FTW9Hbw%3D%3D>page.
MoGo has played
extensively<http://w3.listlynx.com/l.php?m=1052&s=451912&l=aHR0cDovL3d3dy5nb2tncy5jb20vZ2FtZUFyY2hpdmVzLmpzcD91c2VyPW1vZ29ib3QmYW1wO3k9MjAwNyZhbXA7bT0x>on
the Internet but evidence that it plays beyond the mid-kyu level is not
compelling, so we're going to put MoGo to the test. Philip Waldron -- a
solid 6-dan with a current AGA rating of 6.47 who has reviewed go software
for the EJ -- will play a best-of-seven series against MoGo in the computer
go room on KGS. Game times will not be announced in advance, and times will
vary to eliminate the possibility of human interference on the MoGo side.
The results, and possibly a few of the games, will appear in a future EJ, so
stay tuned!
*- Roy Laird*
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