Re: [computer-go] Tesuji

2007-09-11 Thread Jason House
On 9/11/07, Nick Wedd [EMAIL PROTECTED] wrote:

 In message [EMAIL PROTECTED], Don
 Dailey [EMAIL PROTECTED] writes

 Who has the best Go programs at 19x19 level?   I think David Fotland is
 only 2 Dan and his is one of the best.   I know the old handtalk program
 was written by a very strong player.   How strong is Michael Reiss?
 And the other top guys?

 Ken Chen is 6-dan.  Chen, Zhixing, the writer of HandTalk/GoeMate is
 about 5-dan by European standards.  Martin Müller and Robert Rehm are
 5-dan.  Daniel Bump and Arnoud Rutgers van der Loeff are 4-dan.  David
 Forland is 3-dan.  Joachim Pimiskern is 2-dan.  Michael Reiss is 1-kyu.
 Wang, Yizao is 2-kyu.  Guillaume Chaslot and Ivo Tonkes are 3-kyu.

 I have heard that Bruce Wilcox learned Go so as to be able to write a
 program to play it, and became 5-dan himself.



It may be important to distinguish the ratings that people are now with
their ratings when they started coding their program.  I've improved by 9
stones (by kgs ratings) since I started my bot.  (I wish I could say I'm a
dan, but at 3k I think I'm still far from it).  I find that sitting down to
work on my bot often encourages me to play go instead... naturally leading
to improved playing strength.

I partly decided to write a bot so that I would be forced to solidify my go
knowledge (through the process of teaching the computer what I know in a
systematic way).  Sadly, I don't think my coding of go has taught me
anything about go yet.
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[computer-go] Tesuji

2007-09-10 Thread Joshua Shriver
Was reading a page about Go and came across this term.  Anyone know
what it means?
Some googling yielded that it's some kind of tactic position. Though I
might have misinterpreted it.

-Josh
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Re: [computer-go] Tesuji

2007-09-10 Thread forrestc
Joshua Shriver said:
 Was reading a page about Go and came across this term.  Anyone know what
 it means?
 Some googling yielded that it's some kind of tactic position. Though I
 might have misinterpreted it.

Essentially, a sharp move. If we used the word in chess, moves that formed
pins or knight forks would be examples.

Books on tesuji show you positions where a particular kind of move works,
the better to teach you how to recognize various configurations that
typically offer opportunities for sharp tactical upsets.

Forrest Curo
San Diego


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Re: [computer-go] Tesuji

2007-09-10 Thread Russ Williams
On 9/11/07, Joshua Shriver [EMAIL PROTECTED] wrote:
 Was reading a page about Go and came across this term.  Anyone know
 what it means?

With no disrespect intended, it seems like there are a fair number of
go programmers who don't actually know go very much beyond the rules
themselves.  (I'm assuming from your question that you fall into this
category.)

So I'm curious why non-go-players (or minimal-go-players) are
interested in programming go, instead of a game they know well.  Is
there a similar situation in chess (are there a lot of chess
programmers who don't really know chess)?  Hmm, maybe so.

I also wonder whether experienced go programmers believe one needs to
know go to be able to make a very strong go program.  Or will some of
the new Monte Carlo etc techniques sufficiently supplant expert domain
knowledge that any good programmer with just a rudimentary knowledge
of the rules of go will be able to make a strong go program?

cheers,
russ
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