[computer-go] Re: computer-go Digest, Vol 36, Issue 6

2007-07-06 Thread Jacques BasaldĂșa
terry mcintyre wrote: Lately, I've been studying joseki, and I find that it's hard to really know a joseki until you know why non-joseki moves are bad - and why moves which are locally joseki may be bad in relation to other stones on the board. No doubt. That is the most complicated part. I

[computer-go] any problems with cgos 19x19 server?

2007-07-06 Thread terry mcintyre
I am seeing messages like this: 02:27:59Irrecgular response from server. Breaking connection. 02:27:59Connection to server has closed. Will try to reconnect shortly. Am restarting my 19x19 client. Anyone else having similar issues? Terry McIntyre [EMAIL PROTECTED] They mean to govern

Re: [computer-go] Re: 9x9 games wanted

2007-07-06 Thread Magnus Persson
Quoting chrilly [EMAIL PROTECTED]: I will play with Suzie at the forthcoming European Go championship in Villach/Austria some 9x9 demonstration matches against everybody who wants to play. I want to prepare an opening book and I am looking for a 9x9 games collection. So far I have only found

Re: [computer-go] Re: 9x9 games wanted

2007-07-06 Thread Joshua Shriver
I believe the cgos server keeps all of it's games. Though those are all computer games. Might help -Josh On 7/6/07, Tom Cooper [EMAIL PROTECTED] wrote: It might be worth asking the administrators of some go servers if they would be prepared to give you copies of some games. At 17:09

Re: [computer-go] Re: 9x9 games wanted

2007-07-06 Thread Tom Cooper
It might be worth asking the administrators of some go servers if they would be prepared to give you copies of some games. At 17:09 06/07/2007, you wrote: I will play with Suzie at the forthcoming European Go championship in Villach/Austria some 9x9 demonstration matches against everybody

Re: [computer-go] Genetic playout algorithms

2007-07-06 Thread dhillismail
Darren Cook wrote:? I've been toying with the idea of having a set of playout algorithms and? allowing black and white to choose different algorithms in that playout.? (The idea came from trying to think how I could apply genetic? algorithms to UCT playouts.)? ? Here's how it would work.

Re: [computer-go] Re: Explanation to MoGo paper wanted.

2007-07-06 Thread steve uurtamo
There is one other issue I have seen that is similar. Sometimes Lazarus will play a move that doesn't hurt nor help it's position. It's not a wasted move because the opponent must respond or else lose. this sounds a good bit like a ko threat, which is tricky to distinguish from a good play. s.

Re: [computer-go] Re: computer-go Digest, Vol 36, Issue 6

2007-07-06 Thread steve uurtamo
as far as killing moves are concerned, there's a fairly well-understood set of circumstances for groups with a large blob eyespace under which death is guaranteed, life is guaranteed if a ko is won, or death is guaranteed if a ko is lost. i have no idea how to weight the last two, but given that

Re: [computer-go] Re: computer-go Digest, Vol 36, Issue 6

2007-07-06 Thread Peter Drake
Yes, it can be done quite quickly in certain circumstances: http://www.lclark.edu/~drake/go/icai2006-final-drake.pdf The problem, of course, is that by the time it's down to this, it's often too late. Peter Drake http://www.lclark.edu/~drake/ On Jul 6, 2007, at 3:55 PM, steve uurtamo

Re: [computer-go] Re: Explanation to MoGo paper wanted.

2007-07-06 Thread steve uurtamo
The attack is easily refuted with a capture, and when that happens no time was lost. But the opponent must capture immediately or the threat Lazarus made actually works. this, in fact, is a ko threat. if you play it *outside* of a ko, then it's a wasted ko threat. no big loss if there are

Re: [computer-go] Re: Explanation to MoGo paper wanted.

2007-07-06 Thread forrestc
steve uurtamo said: There is one other issue I have seen that is similar. Sometimes Lazarus will play a move that doesn't hurt nor help it's position. It's not a wasted move because the opponent must respond or else lose. this sounds a good bit like a ko threat, which is tricky to

Re: [computer-go] Re: Explanation to MoGo paper wanted.

2007-07-06 Thread Don Dailey
On Fri, 2007-07-06 at 16:52 -0700, steve uurtamo wrote: The attack is easily refuted with a capture, and when that happens no time was lost. But the opponent must capture immediately or the threat Lazarus made actually works. this, in fact, is a ko threat. if you play it *outside* of

Re: [computer-go] Re: Explanation to MoGo paper wanted.

2007-07-06 Thread Peter Drake
I think Steve meant that the move /should have been used as/ a ko threat. Peter Drake http://www.lclark.edu/~drake/ On Jul 6, 2007, at 5:12 PM, Don Dailey wrote: On Fri, 2007-07-06 at 16:52 -0700, steve uurtamo wrote: The attack is easily refuted with a capture, and when that happens no

Re: [computer-go] Re: Explanation to MoGo paper wanted.

2007-07-06 Thread Yamato
In Go things are insofar worse as there is only one standard sparring partner, Gnu-Go. This creates severe inbreeding effects. In chess there was a similar problem. There were more strong opponents around, but over the years they become very similar. Suddenly there was a new programm, Rybka,