[computer-go] 19x19 CGOS

2009-03-17 Thread Thomas Wolf
Is the 19x19 server down? (I wanted to look at some games.) Thomas ___ computer-go mailing list computer-go@computer-go.org http://www.computer-go.org/mailman/listinfo/computer-go/

Re: [computer-go] 19x19: MoGo (handicap 7) vs Jun-Xun Zhou (9p)

2009-02-10 Thread Eric Dunham
SGF files? I looked at the gokgs archives for MoGoTitan, but didn't see anything recent. They are archived under Mogo, aren't they? http://www.gokgs.com/gameArchives.jsp?user=mogo The games that we've been talking about were the H7 games, I believe. Eric Dunham — Ricky1, Owner and

Re: [computer-go] 19x19: MoGo (handicap 7) vs Jun-Xun Zhou (9p)

2009-02-10 Thread Olivier Teytaud
The game can be found here http://www.lri.fr/~teytaud/H7.sgf or on KGS, for user mogo. I'm posting these results, but I must precise that I was not operating myself - Arpad Rimmel did operate, and Guillaume Chaslot was also very involved in the preparation. MoGo was running on Huygens (in

RE: [computer-go] 19x19 results (so far)

2008-12-24 Thread David Fotland
I do something similar to this in Many Faces. -Original Message- From: computer-go-boun...@computer-go.org [mailto:computer-go-boun...@computer-go.org] On Behalf Of Don Dailey Sent: Wednesday, December 24, 2008 5:47 AM To: computer-go Subject: [computer-go] 19x19 results (so far) 19x19

Re: [computer-go] 19x19 results (so far)

2008-12-24 Thread George Dahl
So if I understand this correctly, you only allow moves on the 3rd, 4th, or 5th lines to be considered (in both the tree and the playouts) unless there is another stone within manhattan distance of two? What would be really interesting is if one of the stronger open source engines was modified to

RE: [computer-go] 19x19 results (so far)

2008-12-24 Thread Don Dailey
-go.org [mailto:computer-go-boun...@computer-go.org] On Behalf Of Don Dailey Sent: Wednesday, December 24, 2008 5:47 AM To: computer-go Subject: [computer-go] 19x19 results (so far) 19x19 results of 3,4,5 rank rule: Rank Name Elo+- games score oppo. draws 1 d2p 2050 21 21

Re: [computer-go] 19x19 results (so far)

2008-12-24 Thread Don Dailey
On Wed, 2008-12-24 at 11:01 -0500, George Dahl wrote: So if I understand this correctly, you only allow moves on the 3rd, 4th, or 5th lines to be considered (in both the tree and the playouts) unless there is another stone within manhattan distance of two? Correct. What would be really

Re: [computer-go] 19x19 results (so far)

2008-12-24 Thread Heikki Levanto
On Wed, Dec 24, 2008 at 01:27:46PM -0500, Don Dailey wrote: Basically, in the playouts or move choice I veto any move to the 3rd 4th or 5th line unless there is a stone of either color within distance 2 manhattan distance. Another version does 3 manhattan distance. I hope you mean that you

Re: [computer-go] 19x19 results (so far)

2008-12-24 Thread Don Dailey
On Wed, 2008-12-24 at 19:43 +0100, Heikki Levanto wrote: On Wed, Dec 24, 2008 at 01:27:46PM -0500, Don Dailey wrote: Basically, in the playouts or move choice I veto any move to the 3rd 4th or 5th line unless there is a stone of either color within distance 2 manhattan distance. Another

Re: [computer-go] 19x19 CGOS server down

2008-06-03 Thread Olivier Teytaud
Yes, the 19x19 server is down. It's up and running now. Olivier ___ computer-go mailing list computer-go@computer-go.org http://www.computer-go.org/mailman/listinfo/computer-go/

[computer-go] 19x19 CGOS server down

2008-06-01 Thread David Fotland
It seems to be down for a few days now. David ___ computer-go mailing list computer-go@computer-go.org http://www.computer-go.org/mailman/listinfo/computer-go/

Re: [computer-go] 19x19 Study

2008-02-01 Thread Don Dailey
Jason House wrote: On Jan 29, 2008 10:16 AM, Jason House [EMAIL PROTECTED] mailto:[EMAIL PROTECTED] wrote: On Jan 29, 2008 10:01 AM, Don Dailey [EMAIL PROTECTED] mailto:[EMAIL PROTECTED] wrote: FatMan seems to hit some kind of hard limit rather suddenly.

Re: [computer-go] 19x19 Study - prior in bayeselo, and KGS study

2008-01-31 Thread Heikki Levanto
On Wed, Jan 30, 2008 at 04:35:18PM -0500, Don Dailey wrote: Heikki Levanto wrote: On Wed, Jan 30, 2008 at 03:23:35PM -0500, Don Dailey wrote: Having said that, I am interested in this. Is there something that totally prevents the program from EVER seeing the best move?

Re: [computer-go] 19x19 Study

2008-01-31 Thread Sylvain Gelly
No problem for me. I did not want to multiply the number of versions not to confuse people. With the double version, don't forget it will increase the memory footprint for a given number of nodes. Sylvain 2008/1/30, Olivier Teytaud [EMAIL PROTECTED]: I can provide a new release with double

Re: [computer-go] 19x19 Study

2008-01-31 Thread Don Dailey
We want a version simply for the study - it may not make a performance difference and will probably hurt the performance for a given time level, so I would suggest it not to be the primary version. - Don Sylvain Gelly wrote: No problem for me. I did not want to multiply the number of

Re: [computer-go] 19x19 Study - prior in bayeselo, and KGS study

2008-01-31 Thread Don Dailey
You probably don't understand how UCT works. UCT balances exploration with exploitation. The UCT tree WILL explore B1, but will explore it with low frequency.That is unless the tree actually throws out 1 point eye moves (in which case it is not properly scalable and broken in some

Re: [computer-go] 19x19 Study

2008-01-31 Thread David Doshay
These are G5 Macs, so if we get a binary it needs to be appropriate. We can do the compiling if you don't want to, but you may not wish to deliver us your code, and in that case I can make you an account so you can compile it and then delete the source if you wish. The cluster will be available

Re: [computer-go] 19x19 Study

2008-01-31 Thread David Doshay
That is correct. It is my understanding that the Intel machines can compile to a universal binary that will run on the G5 machines, but we have not verified that. I trust that it works, but have no idea if there is an efficiency hit. Cheers, David On 31, Jan 2008, at 11:30 AM, terry mcintyre

Re: [computer-go] 19x19 Study - prior in bayeselo, and KGS study

2008-01-30 Thread Jacques Basaldúa
Dave Hillis wrote: I've noticed this in games on KGS; a lot of people lose games with generous time limits because they, rashly, try to keep up with my dumb but very fast bot and make blunders. What Don says about humans scaling applies to humans making an effort to use the time they have,

Re: [computer-go] 19x19 Study - prior in bayeselo, and KGS study

2008-01-30 Thread Don Dailey
Dave, I really thought about mentioning that in my original post because it does affect the ability of human players. In fact one technique I use when I'm losing badly in chess is to start playing instantly.I have actually salvaged a few games that way - the opponent starts playing fast

Re: [computer-go] 19x19 Study - prior in bayeselo, and KGS study

2008-01-30 Thread Don Dailey
Jacques Basaldúa wrote: Dave Hillis wrote: I've noticed this in games on KGS; a lot of people lose games with generous time limits because they, rashly, try to keep up with my dumb but very fast bot and make blunders. What Don says about humans scaling applies to humans making an

Re: [computer-go] 19x19 Study

2008-01-30 Thread Olivier Teytaud
I can provide a new release with double instead of float. (unless the other mogo-people reading this mailing-list do not agree for this; Sylvain, no problem for you ?). I don't know exactly when it begins to do bad moves. However, I know that after several hours, the estimated winning rate

Re: [computer-go] 19x19 Study - prior in bayeselo, and KGS study

2008-01-30 Thread steve uurtamo
I would agree at 100% if it wasn't for the known limitations: Nakade, not filling own eyes, etc. Because the program is blind to them it is blind in both senses: it does not consider those moves when defending, but it does not consider them when

Re: [computer-go] 19x19 Study

2008-01-30 Thread Sylvain Gelly
to this situation? Terry McIntyre [EMAIL PROTECTED] - Original Message From: Sylvain Gelly [EMAIL PROTECTED] To: computer-go computer-go@computer-go.org Sent: Tuesday, January 29, 2008 10:36:38 AM Subject: Re: [computer-go] 19x19 Study but not linearly and you can see a nice gradual curve

Re: [computer-go] 19x19 Study - prior in bayeselo, and KGS study

2008-01-30 Thread terry mcintyre
I am, sadly, in the 9 kyu AGA range, yet can regularly create situations which Mogo cannot read on a 19x19 board. Harder to do on a 9x9 board, but I have done it. Don asks how significant a jump of 3 kyu is. On a 19x19 board, one with a 3 kyu advantage can give a 3 stone handicap to the weaker

Re: [computer-go] 19x19 Study

2008-01-30 Thread Don Dailey
Hi Olivier, Yes, that would be great. Please do. Also, is there a Mac version of this? We have the possiblity of using a huge cluster of Mac machines if we have a working binary. We could probably get you a temporary account to build such a thing if you don't already have it. - Don

Re: [computer-go] 19x19 Study - prior in bayeselo, and KGS study

2008-01-30 Thread Don Dailey
I am concerned that the current study is, as Jacques has so ably described, a study of a restricted game where nakade and certain other moves are considered to be illegal; this restricted game approaches the game of Go, but the programs have certain blind spots which humans can and do

Re: [computer-go] 19x19 Study - prior in bayeselo, and KGS study

2008-01-30 Thread Gian-Carlo Pascutto
Don Dailey wrote: If a nakade fixed version of mogo (that is truly scalable) was in the study, how much higher would it be in your estimation? You do realize that you are asking how much perfect life and death knowledge is worth? -- GCP ___

Re: [computer-go] 19x19 Study - prior in bayeselo, and KGS study

2008-01-30 Thread Don Dailey
I changed bayeselo to use the prior command as Rémi suggested I could do. It raised the ELO rating of the highest rated well established player by about 60 ELO! I set prior to 0.1 http://cgos.boardspace.net/study/ - Don Rémi Coulom wrote: Don Dailey wrote: They seem under-rated to me

Re: [computer-go] 19x19 Study - prior in bayeselo, and KGS study

2008-01-30 Thread Don Dailey
Is nakade actually a problem in mogo? Are there positions it could never solve or is merely a general weakness. I thought the search corrected such problems eventually. - Don Gian-Carlo Pascutto wrote: Don Dailey wrote: If a nakade fixed version of mogo (that is truly scalable) was in

Re: [computer-go] 19x19 Study - prior in bayeselo, and KGS study

2008-01-30 Thread Don Dailey
] - Original Message From: Don Dailey [EMAIL PROTECTED] To: computer-go computer-go@computer-go.org Sent: Wednesday, January 30, 2008 11:10:01 AM Subject: Re: [computer-go] 19x19 Study - prior in bayeselo, and KGS study Is nakade actually a problem in mogo

Re: [computer-go] 19x19 Study - prior in bayeselo, and KGS study

2008-01-30 Thread terry mcintyre
-go.org Sent: Wednesday, January 30, 2008 11:10:01 AM Subject: Re: [computer-go] 19x19 Study - prior in bayeselo, and KGS study Is nakade actually a problem in mogo? Are there positions it could never solve or is merely a general weakness. I thought the search

Re: [computer-go] 19x19 Study - prior in bayeselo, and KGS study

2008-01-30 Thread Gian-Carlo Pascutto
Don Dailey wrote: I must not understand the problem. My program has no trouble with nakade unless you are talking about some special case position.My program immediately places the stone on the magic square to protect it's 2 eyes. Can your program identify sekis? Nice examples in

Re: [computer-go] 19x19 Study - prior in bayeselo, and KGS study

2008-01-30 Thread Don Dailey
Gian-Carlo Pascutto wrote: Don Dailey wrote: I must not understand the problem. My program has no trouble with nakade unless you are talking about some special case position.My program immediately places the stone on the magic square to protect it's 2 eyes. Can your program

Re: [computer-go] 19x19 Study - prior in bayeselo, and KGS study

2008-01-30 Thread Don Dailey
computer-go@computer-go.org Sent: Wednesday, January 30, 2008 11:22:16 AM Subject: Re: [computer-go] 19x19 Study - prior in bayeselo, and KGS study I must not understand the problem. My program has no trouble with nakade unless you are talking about

Re: [computer-go] 19x19 Study - prior in bayeselo, and KGS study

2008-01-30 Thread Jason House
On Jan 30, 2008 2:48 PM, Don Dailey [EMAIL PROTECTED] wrote: So are you saying that if mogo had this position: | # # # # # # | O O O O O # | + + + + O # a b c d e That mogo would not know to move to nakade point c1 with either color? That's not nakade... Even if it was one shorter,

Re: [computer-go] 19x19 Study - prior in bayeselo, and KGS study

2008-01-30 Thread Jason House
in the House of Commons [June 15, 1874] - Original Message From: Don Dailey [EMAIL PROTECTED] To: computer-go computer-go@computer-go.org Sent: Wednesday, January 30, 2008 11:22:16 AM Subject: Re: [computer-go] 19x19 Study - prior in bayeselo, and KGS study I must

Re: [computer-go] 19x19 Study - prior in bayeselo, and KGS study

2008-01-30 Thread terry mcintyre
in the nursery.” Benjamin Disraeli, Speech in the House of Commons [June 15, 1874] - Original Message From: Don Dailey [EMAIL PROTECTED] To: computer-go computer-go@computer-go.org Sent: Wednesday, January 30, 2008 11:22:16 AM Subject: Re: [computer-go] 19x19 Study - prior in bayeselo

Re: [computer-go] 19x19 Study - prior in bayeselo, and KGS study

2008-01-30 Thread Don Dailey
According to Sensei's Library, nakade is: It refers to a situation in which a group has a single large internal, enclosed space that can be made into two eyes by the right move--or prevented from doing so by an enemy move. Several examples are shown that where there are exactly 3

Re: [computer-go] 19x19 Study - prior in bayeselo, and KGS study

2008-01-30 Thread Gian-Carlo Pascutto
Don Dailey wrote: So I think this is nakade. Yes. Leela 0.2.x would get it wrong [1]. [1] Not eternally, but it would still take unreasonably long. -- GCP ___ computer-go mailing list computer-go@computer-go.org

Re: [computer-go] 19x19 Study - prior in bayeselo, and KGS study

2008-01-30 Thread Don Dailey
Does mogo have a play-out rule that says, don't move into self-atari? If so, then I can see how the play-out would miss this. But the tree search would not miss this.I still don't see the problem. I can see how a play-out strategy would delay the understanding of positions, but that's

Re: [computer-go] 19x19 Study - prior in bayeselo, and KGS study

2008-01-30 Thread Jason House
While bigger examples exist, 4 in a line (with both ends enclosed) is not nakade because the two center points are miai (b and c in your example). It requires two moves (both b and c) to reduce your example to a single eye. Because of that, it is not nakade. A comprehensive list of nakade shapes

Re: [computer-go] 19x19 Study - prior in bayeselo, and KGS study

2008-01-30 Thread Alain Baeckeroot
] [mailto:computer-go- [EMAIL PROTECTED] On Behalf Of Don Dailey Sent: Tuesday, January 29, 2008 7:18 PM To: computer-go Subject: Re: [computer-go] 19x19 Study - prior in bayeselo, and KGS study I wish I knew how that translates to win expectancy (ELO rating.)Is 3 kyu at this level a pretty

Re: [computer-go] 19x19 Study - prior in bayeselo, and KGS study

2008-01-30 Thread Don Dailey
It would get it eventually, which means this doesn't inhibit scalability. I don't expect every aspect of a program to improve at the same rate - but if a program is properly scalable, you can expect that it doesn't regress with extra time. It only moves forward, gets stronger with more

Re: [computer-go] 19x19 Study - prior in bayeselo, and KGS study

2008-01-30 Thread Don Dailey
Vlad Dumitrescu wrote: Hi Don, On Jan 30, 2008 9:02 PM, Don Dailey [EMAIL PROTECTED] wrote: According to Sensei's Library, nakade is: It refers to a situation in which a group has a single large internal, enclosed space that can be made into two eyes by the right move--or

Re: [computer-go] 19x19 Study - prior in bayeselo, and KGS study

2008-01-30 Thread Gian-Carlo Pascutto
Don Dailey wrote: Yes, the tree generates pass moves and with 2 passes the game is scored without play-outs. How do you detect dead groups after 2 passes? Static analysis? All is alive/CGOS? I can't believe mogo doesn't do this, it would be very weak if it didn't. That's just an

Re: [computer-go] 19x19 Study - prior in bayeselo, and KGS study

2008-01-30 Thread Vlad Dumitrescu
Hi Don, On Jan 30, 2008 9:02 PM, Don Dailey [EMAIL PROTECTED] wrote: According to Sensei's Library, nakade is: It refers to a situation in which a group has a single large internal, enclosed space that can be made into two eyes by the right move--or prevented from doing so by an

Re: [computer-go] 19x19 Study - prior in bayeselo, and KGS study

2008-01-30 Thread terry mcintyre
From: Jason House [EMAIL PROTECTED] To: computer-go computer-go@computer-go.org Sent: Wednesday, January 30, 2008 12:15:04 PM Subject: Re: [computer-go] 19x19 Study - prior in bayeselo, and KGS study While bigger examples exist, 4 in a line (with both ends enclosed) is not nakade because the two

Re: [computer-go] 19x19 Study - prior in bayeselo, and KGS study

2008-01-30 Thread terry mcintyre
-go.org Sent: Wednesday, January 30, 2008 11:53:57 AM Subject: Re: [computer-go] 19x19 Study - prior in bayeselo, and KGS study You're not crazy. Gmail shows it that way too. On Jan 30, 2008 2:49 PM, Don Dailey [EMAIL PROTECTED] wrote: Is is just my email client or does Terry's post have one word

Re: [computer-go] 19x19 Study - prior in bayeselo, and KGS study

2008-01-30 Thread Christoph Birk
On Tue, 29 Jan 2008, Don Dailey wrote: I wish I knew how that translates to win expectancy (ELO rating.)Is 3 kyu at this level a pretty significant improvement? in the order of 90% Christoph ___ computer-go mailing list

Re: [computer-go] 19x19 Study - prior in bayeselo, and KGS study

2008-01-30 Thread Don Dailey
To: computer-go Subject: Re: [computer-go] 19x19 Study - prior in bayeselo, and KGS study I wish I knew how that translates to win expectancy (ELO rating.)Is 3 kyu at this level a pretty significant improvement? - Don Hiroshi Yamashita wrote: Instead of playing UCT bot vs UCT

Re: [computer-go] 19x19 Study - prior in bayeselo, and KGS study

2008-01-30 Thread Jason House
On Jan 30, 2008 3:51 PM, terry mcintyre [EMAIL PROTECTED] wrote: There are other shapes which are known to be dead. For example, four points in a square shape make one eye, not two. If the defender plays one point, trying to make two eyes, the opponent plays the diagonally opposite point,

Re: [computer-go] 19x19 Study - prior in bayeselo, and KGS study

2008-01-30 Thread Heikki Levanto
On Wed, Jan 30, 2008 at 03:23:35PM -0500, Don Dailey wrote: Having said that, I am interested in this. Is there something that totally prevents the program from EVER seeing the best move?I don't mean something that takes a long time, I mean something that has the theoretical property

Re: [computer-go] 19x19 Study - prior in bayeselo, and KGS study

2008-01-30 Thread Don Dailey
Heikki Levanto wrote: On Wed, Jan 30, 2008 at 03:23:35PM -0500, Don Dailey wrote: Having said that, I am interested in this. Is there something that totally prevents the program from EVER seeing the best move?I don't mean something that takes a long time, I mean something that has

Re: [computer-go] 19x19 Study - prior in bayeselo, and KGS study

2008-01-30 Thread Jason House
On Jan 30, 2008 4:35 PM, Don Dailey [EMAIL PROTECTED] wrote: Heikki Levanto wrote: On Wed, Jan 30, 2008 at 03:23:35PM -0500, Don Dailey wrote: Having said that, I am interested in this. Is there something that totally prevents the program from EVER seeing the best move?I don't

Re: [computer-go] 19x19 Study - prior in bayeselo, and KGS study

2008-01-30 Thread Don Dailey
Regardless of the exact example, _if_ pruning rules exclude a move, then an engine will never play it. That means that for that situation, they're not scalable. That may be a big if but will definitely affect some bot implementations. Progressive widening and soft-pruning rules probably

Re: [computer-go] 19x19 Study - prior in bayeselo, and KGS study

2008-01-30 Thread Gian-Carlo Pascutto
Don Dailey wrote: I am concerned that the current study is, as Jacques has so ably described, a study of a restricted game where nakade and certain other moves are considered to be illegal; this restricted game approaches the game of Go, but the programs have certain blind spots which humans can

Re: [computer-go] 19x19 Study. Nakade is difficult

2008-01-30 Thread Alain Baeckeroot
Le mercredi 30 janvier 2008, Don Dailey a écrit : I must not understand the problem. My program has no trouble with nakade unless you are talking about some special case position.My program immediately places the stone on the magic square to protect it's 2 eyes.I can't believe mogo

Re: [computer-go] 19x19 Study - prior in bayeselo, and KGS study

2008-01-30 Thread Don Dailey
I agree with this completely. If fixing this problem was just a simple matter of course, then I'm sure the mogo team would have done so very quickly.The cure could be worse than the disease in this case. But I think what we forget is that this discussion has been hijacked in a sense,

Re: [computer-go] 19x19 Study. Nakade is difficult

2008-01-30 Thread Don Dailey
Good position. I think this illustrates my point. In this case we are not talking about whether a program is capable of seeing a nakade position, but instead a situation very complicated to the extent that even very strong players missed it. For instance I would not use this position to

Re: [computer-go] 19x19 Study. Nakade is difficult

2008-01-30 Thread terry mcintyre
[EMAIL PROTECTED] To: computer-go computer-go@computer-go.org Sent: Wednesday, January 30, 2008 3:14:24 PM Subject: Re: [computer-go] 19x19 Study. Nakade is difficult Good position. Be a better

Re: [computer-go] 19x19 Study. Nakade is difficult

2008-01-30 Thread terry mcintyre
Earlier Don Dailey asked how much of a difference it would make, if UCT programs understood nakade plays. I'll throw out a ballpark figure: if the current UCT programs understood nakade as well as I do ( which is not terribly well), that would make four handicap stones difference on a 19x19

Re: [computer-go] 19x19 Study. Nakade is difficult

2008-01-30 Thread Don Dailey
-go] 19x19 Study. Nakade is difficult Good position. Be a better friend, newshound, and know-it-all with Yahoo! Mobile. Try it now. http://mobile.yahoo.com/;_ylt

Re: [computer-go] 19x19 Study. Nakade is difficult

2008-01-30 Thread Don Dailey
terry mcintyre wrote: Earlier Don Dailey asked how much of a difference it would make, if UCT programs understood nakade plays. But actually they already understand nakade play. It was a misconception that they don't, and I at first believed it because I didn't know for sure what nakade

Re: [computer-go] 19x19 Study - prior in bayeselo, and KGS study

2008-01-30 Thread Michael Williams
Don, welcome to my battle last week (or was it the week before?). It was the exact same discussion. I don't know if people are assuming that a typical UCT reference implementation does not consider all moves or if they just don't understand the difference between a playout policy and a tree

RE: [computer-go] 19x19 Study - prior in bayeselo, and KGS study

2008-01-30 Thread David Fotland
I believe you COULD improve as fast as that young guy you are talking about, but you would need to do serious study. Not read some books while watching television, but putting yourself in a quiet room and being totally focused.A 3 dan teacher would help enormously. Agreed. It

Re: [computer-go] 19x19 Study - prior in bayeselo, and KGS study

2008-01-30 Thread Hideki Kato
Don Dailey: [EMAIL PROTECTED]: About Don's arguments on self testing: I would agree at 100% if it wasn't for the known limitations: Nakade, not filling own eyes, etc. Because the program is blind to them it is blind in both senses: it does not consider those moves when defending, but it

Re: [computer-go] 19x19 Study - prior in bayeselo, and KGS study

2008-01-30 Thread Michael Williams
Are you kidding? That's based on only 10 games. Hideki Kato wrote: Don Dailey: [EMAIL PROTECTED]: About Don's arguments on self testing: I would agree at 100% if it wasn't for the known limitations: Nakade, not filling own eyes, etc. Because the program is blind to them it is blind in both

Re: [computer-go] 19x19 Study - prior in bayeselo, and KGS study

2008-01-30 Thread Darren Cook
... That mogo would not know to move to nakade point c1 with either color? Mogo tends to get confused on nakade positions when there are still external liberties. Here is my report on this with a couple of examples: http://computer-go.org/pipermail/computer-go/2007-October/011327.html If I've

Re: [computer-go] 19x19 Study - prior in bayeselo, and KGS study

2008-01-30 Thread Petri Pitkanen
2008/1/30, Don Dailey [EMAIL PROTECTED]: It would get it eventually, which means this doesn't inhibit scalability. Having said that, I am interested in this. Is there something that totally prevents the program from EVER seeing the best move?I don't mean something that takes a long

Re: [computer-go] 19x19 Study

2008-01-29 Thread Jason House
On Jan 29, 2008 10:01 AM, Don Dailey [EMAIL PROTECTED] wrote: FatMan seems to hit some kind of hard limit rather suddenly. It could be an implementation bug or something else - I don't really understand this. It's very difficult to test a program for scalability since you are limited

[computer-go] 19x19 Study

2008-01-29 Thread Don Dailey
The 9x9 scalability study has been a huge success with 35 cpu's participating and several volunteers.This means we got about a month of testing done per day and have the equivalent of about a years worth of data or more.We are considering whether to extend the study a bit more to test

Re: [computer-go] 19x19 Study

2008-01-29 Thread Don Dailey
No, FatMan is a primitive UCT player, so it builds a tree in memory. I am not willing to extend it beyond the current level as it is a resource hog. Mogo is playing at the same strength in far less time. - Don Jason House wrote: On Jan 29, 2008 10:01 AM, Don Dailey [EMAIL PROTECTED]

Re: [computer-go] 19x19 Study

2008-01-29 Thread Joshua Shriver
I'd be willing to donate some CPU time. I run Ubuntu linux on a P4 3ghz with 1gig RAM. Can be configured with or w/o HT. (usually leave it off) -Josh On Jan 29, 2008 10:01 AM, Don Dailey [EMAIL PROTECTED] wrote: The 9x9 scalability study has been a huge success with 35 cpu's participating and

Re: [computer-go] 19x19 Study

2008-01-29 Thread steve uurtamo
. bayesian inference takes this into account, which is nice. s. - Original Message From: Don Dailey [EMAIL PROTECTED] To: computer-go computer-go@computer-go.org Sent: Tuesday, January 29, 2008 1:46:56 PM Subject: Re: [computer-go] 19x19 Study They seem under-rated to me also. Bayeselo

Re: [computer-go] 19x19 Study

2008-01-29 Thread steve uurtamo
But that's not relevant for this study. All that matters is the 14 out of 20 total score and the order should not matter one little bit. With players that change, that is very relevant however. lemme think that over. by the way, attached is what a quadratic fit looks like to the

Re: [computer-go] 19x19 Study

2008-01-29 Thread Don Dailey
however. - Don s. - Original Message From: Don Dailey [EMAIL PROTECTED] To: computer-go computer-go@computer-go.org Sent: Tuesday, January 29, 2008 1:46:56 PM Subject: Re: [computer-go] 19x19 Study They seem under-rated to me also. Bayeselo pushes the ratings together

Re: [computer-go] 19x19 Study

2008-01-29 Thread Don Dailey
They seem under-rated to me also. Bayeselo pushes the ratings together because that is apparently a valid initial assumption. With enough games I believe that effect goes away. I could test that theory with some work.Unless there is a way to turn that off in bayelo (I don't see it) I

Re: [computer-go] 19x19 Study

2008-01-29 Thread steve uurtamo
PROTECTED] To: computer-go computer-go@computer-go.org Sent: Tuesday, January 29, 2008 2:18:30 PM Subject: Re: [computer-go] 19x19 Study steve uurtamo wrote: it is a good thing to make your prior knowledge completely fair (in the sense of not having any bias) when doing bayesian calculations

Re: [computer-go] 19x19 Study

2008-01-29 Thread Christoph Birk
On Tue, 29 Jan 2008, Álvaro Begué wrote: Of course the value of A is the interesting number here. If they are using anything like the common UCT exploration/exploitation formula, I think we will see a roof fairly soon. In my own experiments at long time controls, the program would spend entirely

Re: [computer-go] 19x19 Study

2008-01-29 Thread Don Dailey
Yes, you are right. But gnugo's 1800 rating is the only real point of reference that I have. As you get farther away from 1800 I believe it's the case that the true rating can be sloppy. - Don Sylvain Gelly wrote: between pairs of programs, you can get a more and more

Re: [computer-go] 19x19 Study - prior in bayeselo, and KGS study

2008-01-29 Thread Rémi Coulom
Don Dailey wrote: They seem under-rated to me also. Bayeselo pushes the ratings together because that is apparently a valid initial assumption. With enough games I believe that effect goes away. I could test that theory with some work.Unless there is a way to turn that off in bayelo (I

Re: [computer-go] 19x19 Study - prior in bayeselo, and KGS study

2008-01-29 Thread Hiroshi Yamashita
Instead of playing UCT bot vs UCT bot, I am thinking about running a scaling experiment against humans on KGS. I'll probably start with 2k, 8k, 16k, and 32k playouts. I have a result on KGS. AyaMC 6k (5.9k) 16po http://www.gokgs.com/graphPage.jsp?user=AyaMC AyaMC2 9k (8.4k) 1po

Re: [computer-go] 19x19 Study - prior in bayeselo, and KGS study

2008-01-29 Thread Don Dailey
Rémi Coulom wrote: Don Dailey wrote: They seem under-rated to me also. Bayeselo pushes the ratings together because that is apparently a valid initial assumption. With enough games I believe that effect goes away. I could test that theory with some work.Unless there is a way to

Re: [computer-go] 19x19 Study - prior in bayeselo, and KGS study

2008-01-29 Thread Don Dailey
What are the time controls for the games? - Don Hiroshi Yamashita wrote: Instead of playing UCT bot vs UCT bot, I am thinking about running a scaling experiment against humans on KGS. I'll probably start with 2k, 8k, 16k, and 32k playouts. I have a result on KGS. AyaMC 6k (5.9k)

Re: [computer-go] 19x19 Study - prior in bayeselo, and KGS study

2008-01-29 Thread Hiroshi Yamashita
What are the time controls for the games? Both are 10 minutes + 30 seconds byo-yomi. Hiroshi Yamashita ___ computer-go mailing list computer-go@computer-go.org http://www.computer-go.org/mailman/listinfo/computer-go/

Re: [computer-go] 19x19 Study - prior in bayeselo, and KGS study

2008-01-29 Thread Michael Williams
I don't feel like searching for it right now, but not too long ago someone posted a link to a chart that gave the winrates and equivalent rankings for different rating systems. Don Dailey wrote: I wish I knew how that translates to win expectancy (ELO rating.)Is 3 kyu at this level a

Re: [computer-go] 19x19 Study - prior in bayeselo, and KGS study

2008-01-29 Thread Don Dailey
Hiroshi Yamashita wrote: What are the time controls for the games? Both are 10 minutes + 30 seconds byo-yomi. Hiroshi Yamashita Good. I think that is a good way to test. - Don ___ computer-go mailing list computer-go@computer-go.org

Re: [computer-go] 19x19 Study - prior in bayeselo, and KGS study

2008-01-29 Thread Don Dailey
We can say with absolute statistical certainty that humans when playing chess improve steadily with each doubling of time.This is not a hunch, guess or theory, it's verified by the FACT that we know exactly how much computers improve with extra time and we also know for sure that humans play

Re: [computer-go] 19x19 Study - prior in bayeselo, and KGS study

2008-01-29 Thread dhillismail
From: Don Dailey [EMAIL PROTECTED] ... Rémi Coulom wrote: ... Instead of playing UCT bot vs UCT bot, I am thinking about running a scaling experiment against humans on KGS. I'll probably start with 2k, 8k, 16k, and 32k playouts. That would be a great experiment.   There is only 1

Re: [computer-go] 19x19 MC improvement

2008-01-27 Thread Rémi Coulom
Eric Boesch wrote: By the way, does anybody know of any nifty tools or heuristics for efficient probabilistic multi-parameter optimization? In other words, like multi-dimensional optimization, except instead of your function returning a deterministic value, it returns the result of a Bernoulli

Re: [computer-go] 19x19 MC improvement

2008-01-26 Thread Eric Boesch
On Jan 23, 2008 7:39 PM, Jason House [EMAIL PROTECTED] wrote: On Wed, 2008-01-23 at 18:57 -0500, Eric Boesch wrote: I am curious if any of those of you who have heavy-playout programs would find a benefit from the following modification: exp_param = sqrt(0.2); // sqrt(2) times the

Re: [computer-go] 19x19 MC improvement

2008-01-26 Thread wing
Eric Boesch This is probably massive overkill, but one of the most successful techniques for multi-parameter optimization is Taguchi methods. http://en.wikipedia.org/wiki/Taguchi_methods However, in my experience, starting with the decisions that make the biggest difference, and then adding

Re: [computer-go] 19x19 MC improvement

2008-01-26 Thread steve uurtamo
i recommend: http://www.research.att.com/~njas/gosset/index.html s. - Original Message From: [EMAIL PROTECTED] [EMAIL PROTECTED] To: computer-go computer-go@computer-go.org Sent: Saturday, January 26, 2008 2:35:01 PM Subject: Re: [computer-go] 19x19 MC improvement Eric Boesch

Re: [computer-go] 19x19 MC improvement

2008-01-26 Thread Adrian Grajdeanu
By the way, does anybody know of any nifty tools or heuristics for efficient probabilistic multi-parameter optimization? In other words, like multi-dimensional optimization, except instead of your function returning a deterministic value, it returns the result of a Bernoulli trial, and the

[computer-go] 19x19 MC improvement

2008-01-23 Thread Hiroshi Yamashita
My program Aya637_4CPU is top on 19x19 CGOS now. It is temporary, but I'm so happy! Please don't run full power MoGo, Crazy Stone and Leela :-) My main improvement was 1. Do not move dead stones. Before doing playout, Aya does string capture search up to 7 plies(ladders are extended). And set

RE: [computer-go] 19x19 MC improvement

2008-01-23 Thread David Fotland
Congratulations! I'm really impressed with how fast the AyaMC improved. Regards, David -Original Message- From: [EMAIL PROTECTED] [mailto:computer-go- [EMAIL PROTECTED] On Behalf Of Hiroshi Yamashita Sent: Wednesday, January 23, 2008 12:12 AM To: computer-go Subject: [computer-go

Re: [computer-go] 19x19 MC improvement

2008-01-23 Thread Eric Boesch
On Jan 23, 2008 3:11 AM, Hiroshi Yamashita [EMAIL PROTECTED] wrote: 2. Change UCT exploration parameter exp_param = sqrt(2.0); uct = exp_param * sqrt( log(sum of all children playout) / (number of child playout) ); uct_value = (child winning rate) + uct; I

Re: [computer-go] 19x19 MC improvement

2008-01-23 Thread Jason House
On Wed, 2008-01-23 at 18:57 -0500, Eric Boesch wrote: I am curious if any of those of you who have heavy-playout programs would find a benefit from the following modification: exp_param = sqrt(0.2); // sqrt(2) times the original parameter value. uct = exp_param * sqrt( log(sum of all

Re: [computer-go] 19x19 cgos ranking page

2008-01-22 Thread Olivier Teytaud
Have you selected the room with bot's name as a member? Yes. Seemingly only public rooms are possible for bots. I'm interested in if someone has a solution for private rooms. Olivier ___ computer-go mailing list computer-go@computer-go.org

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