Re: [computer-go] Dynamic Komi's basics

2010-02-11 Thread Alain Baeckeroot
Hi Le 11/02/2010 à 10:32, Le Hir Matthieu a écrit : Hi, From what I think I understood, dynamic komi is supposed to try to keep the game more even. The dynamic komi is a bias in the evaluation in order to inform the bot that the game is balanced, and prevent it beeing blinded by the

Re: [computer-go] Pachi/fuego GnuGo hybrid

2010-01-18 Thread Alain Baeckeroot
Le 18/01/2010 à 10:54, Petr Baudis a écrit : it would be great to share other information like LD and semeai critical moves; perhaps GNUGo even provides interface to get these as well. yes, via gtp you can easyly see in gogui :-), and maybe more with gnugo tool (regress.pike ?) Alain

Re: [computer-go] Re: Open source real time Go server

2010-01-18 Thread Alain Baeckeroot
Le 18/01/2010 à 18:37, terry mcintyre a écrit : My pet peeve is the KGS score estimator, which is often wildly wrong. The best thing to do would be to remove the score estimator which prevent people from thinking. I bet there would be much less stupid chat during games whithout it :) Alain.

Re: [computer-go] (no subject)

2010-01-04 Thread Alain Baeckeroot
Le 04/01/2010 à 14:19, Nick Wedd a écrit : I have discussed these extra events in the past, and received feedback here; which, unfortunately, I have forgotten. So please, anyone who is interested, make your suggestions now. As a spectator i would like an Hanh tournament on 19x19, not too

Re: [computer-go] (no subject) wish hahn

2010-01-04 Thread Alain Baeckeroot
Le 04/01/2010 à 18:09, Petr Baudis a écrit : I don't think Hahn tournament would be that interesting, As a physicist i like to experiment first, and think later, to understand what happened, which obviously was not foreseen ;-) I believe it will reveal some hidden aspect of the stronger engines,

Re: [computer-go] Fuego parameter question

2009-12-06 Thread Alain Baeckeroot
Le 06/12/2009 à 01:05, Darren Cook a écrit : You also need to set max_nodes quite high or Fuego will keep stopping to clear out its tree. I'm setting it to max_games*50, so for 8000: uct_param_search max_nodes 40 According to my notes fuego uses 75M + (65M per million max_nodes). So

Re: [computer-go] Re: Hahn system tournament and MC bots

2009-11-26 Thread Alain Baeckeroot
Le 26/11/2009 à 10:08, Vlad Dumitrescu a écrit : On Thu, Nov 26, 2009 at 00:43, Darren Cook dar...@dcook.org wrote: When I read this it reminded me of experiments I tried before to pass more than one piece of information up from the leaf nodes of a (min-max) tree. E.g. a territory

Re: [computer-go] Re: Hahn system tournament and MC bots

2009-11-25 Thread Alain Baeckeroot
Le 25/11/2009 à 12:39, Vlad Dumitrescu a écrit : On Wed, Nov 25, 2009 at 12:04, Nick Wedd n...@maproom.co.uk wrote: A program to play Hahn Go has no reason to calculate probabilities, it should just make the biggest move it can. Ah, okay, now I understand your point of view. Thanks for

Re: [computer-go] Re: Hahn system tournament and MC bots

2009-11-25 Thread Alain Baeckeroot
Le 25/11/2009 à 15:11, Vlad Dumitrescu a écrit : What I am considering is a way to analyze a list of moves, each having in turn a value that is a list of expected outcomes and their respective estimated probabilities, and to sort the moves by the expected outcome in the context of a given risk

Re: [computer-go] Re: Hahn system tournament and MC bots. and KGS tournament ?

2009-11-24 Thread Alain Baeckeroot
Le 24/11/2009 à 00:24, dhillism...@netscape.net a écrit : For my fast/dumb neural net engine, Antbot9x9, I coevolved the weights using a similar tournament system. Each individual played a number of games against all the others, round robin, and the score was the sum of points for all of

[computer-go] Hahn system tournament and MC bots

2009-11-22 Thread Alain Baeckeroot
A Go tounrmaent with Hahn system has been retransmeted on kgs/eurogo TV With these rules, the actual count makes a difference (as opposed to just win/lose) Winning by 40.5gets 100 points ...... Losing by 40.5gets 0 point

Re: [computer-go] Elo move prediction

2009-11-19 Thread Alain Baeckeroot
Le 19/11/2009 à 09:35, Seth Pellegrino a écrit : Hello all, I'm working on an implementation of Rémi Coulom's Elo-based move prediction algorithm[1], and I seem to be running into efficiency issues. Very simple question to start: What is the programmation language ? Do you use 1d

Re: [computer-go] Rated bots on KGS

2009-11-19 Thread Alain Baeckeroot
Le 19/11/2009 à 13:10, Mark Boon a écrit : On Nov 19, 2009, at 1:24 AM, Nick Wedd wrote: So a bot which appears on KGS, gets rated as 25k, plays hundreds of games, and then improves to 15k, is going to do a lot of damage to the rating system. What happens when all those beginners

Re: [computer-go] Re: Joseki Book

2009-11-10 Thread Alain Baeckeroot
Le 10/11/2009 à 15:56, Stefan Kaitschick a écrit : Ofcourse I can't say what a correct opening is. What I can say though, is that if bots are onto something with their strange openings, at this point it's by accident. It is not by accident, it is consistent with what the bot can read. They

Re: [computer-go] Joseki Book

2009-11-09 Thread Alain Baeckeroot
Le 09/11/2009 à 08:04, Jessica Mullins a écrit : Hi, I am wondering what is the best way to build a Joseki Book? I am a student at Lewis Clark College and am working with Professor Peter Drake to build a Joseki Book for the program Orego. Right now I am extracting moves from professor

Re: [computer-go] Re: Mirror Go against Zen

2009-07-23 Thread Alain Baeckeroot
Le 23/07/2009 à 09:21, Ingo Althöfer a écrit : .../... Therefore I really like the test series by Yamato (with 30 out of 100 wins for Zen against mirror strategy) Can we assume that both programs are approximately equal or is MFGO clearly stronger (or visa versa?) In normal go (on

Re: [computer-go] Re: Mirror Go against Zen

2009-07-20 Thread Alain Baeckeroot
Le 20/07/2009 à 15:34, Don Dailey a écrit : Again, I don't understand go so well, but how do you win against mirror go? It seems you must either take advantage somehow of the non-symmetry of the center point OR take advantage of the fact that a capture could break the symmetry. Is that

Re: [computer-go] Re: Mirror Go against Zen

2009-07-20 Thread Alain Baeckeroot
Le 20/07/2009 à 16:01, Don Dailey a écrit : Ok, so I am right about this, you take advantage of the asymmetry of captures. But go programs do not KNOW they are playing mirror go GNU Go knows if the game is mirror-go or not, and decide to break it when a sufficent number of moves is reached

Re: [computer-go] Slightly OT: Sound in CGoban

2009-07-16 Thread Alain Baeckeroot
Le 16/07/2009 à 22:28, Peter Drake a écrit : I've recently been getting an odd distorted buzzing with every sound played by CGoban3, the KGS client. This doesn't happen with other applications, so I don't think it's a hardware or driver problem. Has anyone else encountered this? Peter

Re: [computer-go] Fast ways to evaluate program strength.

2009-04-08 Thread Alain Baeckeroot
Le 08/04/2009 à 07:28, Petri Pitkanen a écrit : This is nice idea and this is to a degree what GnuGo regression test does. afaik, gnugo testsuite (based on a previous one) is not totally suitable for MC programs, as some position are dead lost / clear win but shows gg misbehavior. Some

Re: [computer-go] Black/White winning rates with random playout?

2009-01-10 Thread Alain Baeckeroot
Le jeudi 8 janvier 2009, Nuno Milheiro a écrit : It seems normal to me, Blac is only one play ahead, which value is several points (probably 7,5 hence the komi value) given intelligent play, given random play the value of one more move may be only one point. You should try with more komi

Re: [computer-go] komi for 13x13 and 19x19

2008-08-04 Thread Alain Baeckeroot
Le samedi 2 août 2008, Christoph Birk a écrit : On Aug 2, 2008, at 10:34 AM, Don Dailey wrote: Does it make sense to use a komi of 7.5 for 13x13 and 19x19 under CGOS rules? I don't know about 13x13, but for 19x19 you should use 6.5. Is'nt the komi 6.5 with japanese rules = 7.5 with

Re: [computer-go] off topic: Tobacco

2008-04-08 Thread Alain Baeckeroot
Le mardi 8 avril 2008, Dave Dyer a écrit : By the way, has anyone seen the Philip Morris commercials? I believe they were forced into this as part of the extortion by the state attorneys general. It's Penance for illegally targeting young non-smokers with Joe Camel, and promoting

Re: [computer-go] Hybrid theory

2008-03-11 Thread Alain Baeckeroot
Le vendredi 1 février 2008, David Doshay a écrit : This is the direction in which we are moving with SlugGo. We also expect it to be difficult to integrate different approaches, but this has always been our research direction: when there are multiple codes which will each give an evaluation of

Re: [computer-go] Re: komi argument = silly

2008-03-07 Thread Alain Baeckeroot
Le vendredi 7 mars 2008, Petr Baudis a écrit : This has nothing to do with black/white distinction. The idea is to dynamically adjust the komi to make UCT to aim at higher and potentially less sure win or lower and potentially more sure loss. Of course, depending on whether it takes black or

[computer-go] GNU Go is not public domain

2008-02-28 Thread Alain Baeckeroot
Hi On http://cgos.boardspace.net/study/13/index.html we read : a reference point, a popular program in the public domain called Gnugo It is open source and libre program GPL, but not public domain. Alain ___ computer-go mailing list

Re: [computer-go] 13x13 study. Time and memory

2008-02-22 Thread Alain Baeckeroot
Le jeudi 21 février 2008, Don Dailey a écrit : If you look at the table you will notice that going from level 4 to level 11 (which is 7 doublings and should take 128X longer) only takes 59.43 X longer. So if we plot 9X9 rank vs time, maybe we have a straight line :) ELO vs size of the tree

Re: [computer-go] 13x13 study. Time and memory

2008-02-22 Thread Alain Baeckeroot
Le vendredi 22 février 2008, Sylvain Gelly a écrit : 2008/2/22, Alain Baeckeroot [EMAIL PROTECTED]: Le jeudi 21 février 2008, Don Dailey a écrit : If you look at the table you will notice that going from level 4 to level 11 (which is 7 doublings and should take 128X longer) only takes

Re: [computer-go] 13x13 study.

2008-02-21 Thread Alain Baeckeroot
Le jeudi 21 février 2008, Don Dailey a écrit : The study is running very well. We have 32 computers being used so far, some participants are providing 2 (or even more) computers. It would be great to get even more as we get into higher levels, as it will take a LOT of power to get a

Re: [computer-go] Re: computer-go Digest, Vol 43, Issue 8

2008-02-18 Thread Alain Baeckeroot
Le lundi 18 février 2008, Michael Williams a écrit : But as was pointed out before, these high levels of MoGo are probably still not pro level, right? On 9x9 Big_slow_Mogo is near pro level, maybe more. 6 monthes ago or so it was able to regurlarly beat pro without komi on 9x9. Alain

Re: [computer-go] gpugo. optimisation

2008-02-13 Thread Alain Baeckeroot
Le mercredi 13 février 2008, Florian Erhardt a écrit : If anyone knows where I could get SIMPLE docs explaining optimizations for vector cpus, that would be great. Some basic advices and links. Read Linux Coding Style, especially section concerning indentation and functions. Draw the flow

Re: [computer-go] Re: komi

2008-02-12 Thread Alain Baeckeroot
Le mardi 12 février 2008, David Schneider-Joseph a écrit : On Feb 11, 2008, at 8:42 PM, Don Dailey wrote: David Schneider-Joseph wrote: By definition, komi is proportional to the value of moving first. Likewise, by definition, your skill is the amount of value you get out of a move.

Re: [computer-go] Re: Fw: big_Mogo_19

2008-02-09 Thread Alain Baeckeroot
Le vendredi 8 février 2008, terry mcintyre a écrit : Probably true, but I am already running into RAM limits with big_Mogo18 - had to halve the number of instances of the autotest program, and am installing RAM in the next few days to alleviate this problem. There is also the time-per-game,

Re: [computer-go] Hybrid theory

2008-02-02 Thread Alain Baeckeroot
Le samedi 2 février 2008, terry mcintyre a écrit : Apologies for not quoting Don Dailey's text on Borda voting -- yahoo is doing something truly awful with quoted text, for some reason. It also break mail-thread, putting your post in uncorelated thread. Maybe switch to another mail ? ;-)

Re: [computer-go] Transformation between KGS ratings and Elo

2008-02-02 Thread Alain Baeckeroot
Le samedi 2 février 2008, Christoph Birk a écrit : On Sat, 2 Feb 2008, Alain Baeckeroot wrote: 1800 is gnugo, so this puts top programs near 1k (2d for extreme mogo_18) this seems reasonable to me. Are you confusing 19x19 and 9x9? The ELO/KGS table is for 19x19, while mogo_18 plays 9x9

Re: [computer-go] Hybrid theory

2008-02-01 Thread Alain Baeckeroot
Le vendredi 1 février 2008, David Doshay a écrit : This is the direction in which we are moving with SlugGo. We also expect it to be difficult to integrate different approaches, but this has always been our research direction: when there are multiple codes which will each give an evaluation of

Re: [computer-go] Transformation between KGS ratings and Elo

2008-02-01 Thread Alain Baeckeroot
Le vendredi 1 février 2008, Andy a écrit : See below I created a table that shows the transformation from KGS ratings to the Elo that CGOS uses. I set 6k=1800 because I believe that is what GNU 3.7.10 is under both systems. Does anyone have more data points for bots that play on both

Re: [computer-go] scalability study

2008-02-01 Thread Alain Baeckeroot
Le vendredi 1 février 2008, terry mcintyre a écrit : Regarding the scalability study, ... I'm very curious about that flat spot for Mogo-16, 17, and 18. ( http://cgos.boardspace.net/study/index.html ) I think its just lack of data Mogo_16 = 2958+47 / -45

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

2008-01-30 Thread Alain Baeckeroot
Le mercredi 30 janvier 2008, David Fotland a écrit : 3 kyu at this level is a lot for a person. I've know club players who never got better than 9k, and people who study and play may still take a year or more to make this much improvement. Many club players stall somewhere between 7k and 4k

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] Re: Scalbility study: low end

2008-01-24 Thread Alain Baeckeroot
Le jeudi 24 janvier 2008, Don Dailey a écrit : Hi Hideki, No need to stop any of the weaker games since 99% of the compute time is consumed by the strongest half. Also, only the new mogo's will be scheduled to play until they catch up - however their opponent will almost always be the

[computer-go] out of topic: Bobby Fisher

2008-01-24 Thread Alain Baeckeroot
Hello http://www.theregister.co.uk/2008/01/18/fischer_dead/ Alain. ___ computer-go mailing list computer-go@computer-go.org http://www.computer-go.org/mailman/listinfo/computer-go/

Re: [computer-go] Is MC-UCT really scalable ... is a troll

2008-01-23 Thread Alain Baeckeroot
Le mercredi 23 janvier 2008, ivan dubois a écrit : Hi Alain, Sorry for being so insistant : You should browse the archive of the list, nearly the same discussion about infinite and scalability happenned in 2007. No i just said that, unless i really understood nothing, i read here from

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

2008-01-22 Thread Alain Baeckeroot
Le mardi 22 janvier 2008, Olivier Teytaud a écrit : 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. I know that Aloril is running one mogobot clone in my go

Re: [computer-go] New scalability study : show uncertainty ?

2008-01-22 Thread Alain Baeckeroot
Le mardi 22 janvier 2008, Michael Williams a écrit : ... perhaps only uniformly random playouts will scale to perfection. The reason that MC/UCT scales to perfection is because of the UCT part, not the MC (playout) part. People seems to forget this a lot. I agree on this _only_ if the

Re: [computer-go] Is MC-UCT really scalable ... is a troll

2008-01-22 Thread Alain Baeckeroot
Le mardi 22 janvier 2008, David Fotland a écrit : The UCT-MC programs do particularly well against traditional programs because they expose the brittleness inherent in the pattern databases they use. Strong humans are not so easily beaten by playing unconventional and somewhat inferior

Re: [computer-go] Is MC-UCT really scalable against humans?

2008-01-22 Thread Alain Baeckeroot
Le mardi 22 janvier 2008, Mark Boon a écrit : On 22-jan-08, at 11:33, Magnus Persson wrote: So feel free to argue that 19x19 has properties that are unique, but in doing so please *specify* exactly what this means and why a computer program has to deal with it to play really strong.

Re: [computer-go] orego license?

2008-01-22 Thread Alain Baeckeroot
Le mardi 22 janvier 2008, Peter Drake a écrit : The license for Orego is GPL: basically, you can do whatever you want with it, but don't sell it, claim our stuff is your invention, or try to prevent anyone else from using it. You can sell GPL, but you can't prevent the owner to

Re: [computer-go] Is MC-UCT really scalable ... is a troll

2008-01-22 Thread Alain Baeckeroot
Le mardi 22 janvier 2008, [EMAIL PROTECTED] a écrit : Infinite scalability is a theoricaly proved property, so please don't feed the troll :-) Are you saying that the scalability is linear between number of playouts and ranking? No i just said that, unless i really understood nothing, i

Re: [computer-go] KGS private room

2008-01-21 Thread Alain Baeckeroot
Le lundi 21 janvier 2008, Olivier Teytaud a écrit : I am trying to connect a bot to a KGS private room. If we set computer-go as the room, the bot comes and plays against its opponents. But if we set the name of the room, the bot comes and can be seen in the room, but does not play.

Re: [computer-go] New scalability study : show uncertainty ?

2008-01-20 Thread Alain Baeckeroot
Le samedi 19 janvier 2008, Don Dailey a écrit : The new scalability study is in progress. It will be very slow going, only a few games a day can be played but we are trying to get more computers utilized. I will update the data a few times a day for all to see. This includes a

Re: [computer-go] Anchor player

2008-01-17 Thread Alain Baeckeroot
Le jeudi 17 janvier 2008, Don Dailey a écrit : Perfect! I will adjust the level so that it plays as strong as possible on CGOS without taking a risk of getting into time trouble on modest hardware. Then I can make Mogo the anchor player. Even if i love Mogo, and i am very impressed,

Re: [computer-go] Sylvain Gelly thesis in english

2008-01-13 Thread Alain Baeckeroot
Le dimanche 13 janvier 2008, terry mcintyre a écrit : From: Rémi Coulom [EMAIL PROTECTED] Sylvain Gelly wrote: Yes I did! :).It is not on my website, but will (soon?). However, you should not be so eager to read it :) Cheers, Sylvain Google finds it:

Re: [computer-go] To French speakers: computer Go on the French Radio

2008-01-10 Thread Alain Baeckeroot
Le jeudi 10 janvier 2008, Olivier Teytaud a écrit : They announce that a match will be organized between MoGo and a professional player in March, during the Paris Go Tournament. It will be the MPI version of mogo, and in various board-sizes. What will be the hardware for Mogo ?

Re: [computer-go] Difficult and strong move

2008-01-08 Thread Alain Baeckeroot
Le mardi 8 janvier 2008, terry mcintyre a écrit : - Original Message From: Stuart A. Yeates [EMAIL PROTECTED] I recommend Mathematical Go: Chilling Gets the Last Point by Elwyn Berlekamp and David Wolfe. The book contains a number of such positions, as well as an approach that

Re: [computer-go] How to get more participation in 19x19 CGOS?

2008-01-08 Thread Alain Baeckeroot
Le mardi 8 janvier 2008, Don Dailey a écrit : ... On 19x19 it might be 30 minutes per side like we have now, with 5 minute games for the fast time control.We would probably have to work it out so that program like gnugo would be able to handle the fast time control at their standard

Re: [computer-go] Re: language efficiency

2007-12-18 Thread Alain Baeckeroot
Le mardi 18 décembre 2007, Harald Korneliussen a écrit : Some thinking out loud here on the topic of languages and efficiency: I'd like to know how well MoGo would have played if you let it think for a week for every move. Only it seems to me that is not possible, because I don't think MoGo

Re: [computer-go] Where and How to Test the Strong Programs?

2007-12-12 Thread Alain Baeckeroot
Le mercredi 12 décembre 2007, Ben Lambrechts a écrit : How do AGA ratings compare to KGS? Sensei's Library is your friend ;o) http://senseis.xmp.net/?RankWorldwideComparison I believe this page has not been updated since last year change on kgs ranking scale. Kgs have the big advantage

Re: [computer-go] Microsoft Research Lectures: Akihiro Kishimoto

2007-12-12 Thread Alain Baeckeroot
Le mercredi 12 décembre 2007, Harri Salakoski a écrit : Such comment just take my word back little it is maybe awesome but I can't say is it or not, as have still bugs left. E E E E E E BEE WWWEBEE E E EWBEE E E WEBEE ABCDEFG For example current version(not released) goes

Re: [computer-go] Gnugo rank on 9x9 on kgs

2007-12-06 Thread Alain Baeckeroot
Le jeudi 6 décembre 2007, Don Dailey a écrit : Lavergne Thomas wrote: If some bot can be setup to play on kgs for enough time to get a solid rank and then put on cgos to get an elo rating with the same configuration we could find a formula to convert elo to kgs ranks. For sure, this is

Re: [computer-go] Elo and handicap matching

2007-12-04 Thread Alain Baeckeroot
/ with and interesting observation in the end. Alain. However, this data should still be quite useful. - Don Alain Baeckeroot wrote: Le mardi 4 décembre 2007, Don Dailey a écrit : For 9x9 ELO works better. For 19x19 it's less clear cut.The handicap system appears to be a good system

Re: [computer-go] Elo and handicap matching

2007-12-04 Thread Alain Baeckeroot
Le mardi 4 décembre 2007, Christoph Birk a écrit : On Tue, 4 Dec 2007, Alain Baeckeroot wrote: For 9x9 ELO works better. For 19x19 it's less clear cut.The handicap system appears to be a good system at 19x19 and has the very nice merit of allowing grossly mismatched players

Re: [computer-go] KGS connection

2007-11-11 Thread Alain Baeckeroot
Le dimanche 11 novembre 2007, Stuart A. Yeates a écrit : On 10/11/2007, Nick Wedd [EMAIL PROTECTED] wrote: In message [EMAIL PROTECTED], Chris Fant [EMAIL PROTECTED] writes A beginner could easily run gnugo for a day or two, get a 7k rank for the gnugo account, then replace gnugo

Re: [computer-go] Gnugo development and MC

2007-11-05 Thread alain Baeckeroot
Le lundi 5 novembre 2007, Don Dailey a écrit : I noticed there are various Gnugo with Monte Carlo enhancements. Will any of these be integrated into the the Gnugo releases? It seems like a logical move. As far as i know MonteGNU is more or less: http://trac.gnugo.org/gnugo/ticket/150 and

Re: [computer-go] Where is Mogo?

2007-10-30 Thread alain Baeckeroot
Le lundi 29 octobre 2007, Don Dailey a écrit : I don't see Mogo on the server?Where is Mogo? However CrazyStone is there to represent the Monte Carlo programs and seems to be doing a very good job indeed! CS-8-26-2CPU http://www.lri.fr/%7Eteytaud/cross/CS-8-26-2CPU.html is doing

Re: [computer-go] Handicap vs Elo

2007-10-30 Thread alain Baeckeroot
Le lundi 29 octobre 2007, Don Dailey a écrit : I don't see Mogo on the server?Where is Mogo? However CrazyStone is there to represent the Monte Carlo programs and seems to be doing a very good job indeed! CS-8-26-2CPU http://www.lri.fr/%7Eteytaud/cross/CS-8-26-2CPU.html is doing

Re: [computer-go] best approach forward

2007-10-12 Thread alain Baeckeroot
Le jeudi 11 octobre 2007 22:31, Christoph Birk a écrit : On Thu, 11 Oct 2007, Don Dailey wrote: But we had a 19x19 server and it WAS NOT interesting. Nobody seemed willing to play on it. Maybe that has changed now. It was not interesting because there was only one competitive program on

Re: [computer-go] Re: Former ... inhuman MC/UCT style

2007-10-12 Thread alain Baeckeroot
Le vendredi 12 octobre 2007 06:10, Dave Dyer a écrit : Considering how monte carlo actually works, I think it's plausible to argue that it works best where the distance to endgame is small. And for a player against Mogo this is very un-human feature on 19x19. - Fuseki is done agaisnt a 10k

Re: [computer-go] IEEE Spectrum article by Deep Blue creator

2007-10-02 Thread Alain Baeckeroot
Le mardi 2 octobre 2007 16:46, Ian Osgood a écrit : Greetings, I noticed that the following link was recently added to the Computer Go Wikipedia article. http://www.spectrum.ieee.org/oct07/5552 Cracking Go, by Feng-hsiung Hsu, IEEE Spectrum magazine, October 2007. He claims it should be

Re: [computer-go] problems w/ 19x19 cgos server

2007-09-21 Thread alain Baeckeroot
Le vendredi 21 septembre 2007 21:35, [EMAIL PROTECTED] a écrit : If the 19x19 CGOS is going to be retired due to lack of interest, I wonder if there would be interest in trying out an ultra-blitz version for a while: games as fast as the com. links would permit.? (Game storage would be an

Re: [computer-go] Binary release of MoGo

2007-09-13 Thread Alain Baeckeroot
On Monday 10 September 2007 10:37:17 Sylvain Gelly wrote: Is there a option like gnugo's --capture-all-dead? In my test(./mogo --9 --time 1), seems mogo passed when not capture alldead stones. As this release is mainly for humans to play, it is set to play against humans, so passing as

Re: [computer-go] SGF parsing

2007-07-09 Thread alain Baeckeroot
Le lundi 9 juillet 2007 18:46, Joshua Shriver a écrit : Ok found some KGS games, and they make a lot more sense. With the specification I can see what all of the OT, AP, TM, FF, etc commads are. However I don't understand the way it sets the location, so far nothing I've seen describes it.

Re: [computer-go] 9x9 games wanted and the next big challenge

2007-07-08 Thread alain Baeckeroot
Le dimanche 8 juillet 2007 11:51, chrilly a écrit : If it would be really a big challenge, there would be some money. There was a computer challenge with 1 million dollar prize during many years, for a program abble to beat one professional choosen by the sponsor. I don't know if it is still

[computer-go] mogobot against 5 dan pro on kgs

2007-06-15 Thread alain Baeckeroot
Hi everybody Guojuan (5p) has played some games agaisnt mogobot on kgs. Worth to look at, and mogobot 3.0 won some on 9x9 Congrats to mogobot team, and thanks to Guo Juan for the games :) Alain ___ computer-go mailing list

Re: [computer-go] Re: 9x9 vs 19x19 (was: computer-go Digest)

2007-05-22 Thread alain Baeckeroot
Le mardi 22 mai 2007 01:52, Dave Dyer a écrit : I figured that a credible anchor player for 19x19 might need a lot of cycles, and need to play a lot of games at first, so spreading the load would be a good idea. Maybe GNU Go 3.7.10 is _the_ good anchor player for 19x19: - everybody use it at

Re: [computer-go] 19x19 Go, scalability with time vs handicap

2007-04-22 Thread alain Baeckeroot
Le dimanche 22 avril 2007 22:26, Sylvain Gelly a écrit : Hello Daniel, Le dimanche 22 avril 2007 21:26, [EMAIL PROTECTED] a écrit : For human players a difference of 2 kyu means that the winning ratio of the stronger player is almost 100%. Is it? Do you have some statistics? If so, that

Re: [computer-go] The physics of Go playing strength.

2007-04-09 Thread alain Baeckeroot
Le lundi 9 avril 2007 14:06, Don Dailey a écrit : But the point is that as long as you can provide time and memory you will get improvement until perfect play is reached. Is there any proof that heavy player converge toward the same solution as the pure random playout ? With infinite

Re: [computer-go] The physics of Go playing strength.

2007-04-08 Thread alain Baeckeroot
Le dimanche 8 avril 2007 03:05, Don Dailey a écrit : A few weeks ago I announced that I was doing a long term scalability study with computer go on 9x9 boards. I have constructed a graph of the results so far: http://greencheeks.homelinux.org:8015/~drd/public/study.jpg Thanks for this

Re: [computer-go] Re: Big board. Temperature

2007-03-02 Thread alain Baeckeroot
Le vendredi 2 mars 2007 12:55, Jacques Basaldúa a écrit : In CGT the temperature is the difference between the value if you play and the value if you pass. Thanks for your lights :) Ok i better understand my confusion. In Go CGT-temperature applied to yose strongly looks like ordinary points

Re: [computer-go] Re: Big board. Temperature

2007-03-01 Thread alain Baeckeroot
Physics temperature is a macroscopic description (global) of the underlying (un)-stability, so it comes to mind very quickly :) Unfortunately the term temperature used in Computer Game theory is misleading for physicists. CGT-temperature = value of the best move in go, this has very little

Re: [computer-go] Re: Big board. Temperature

2007-03-01 Thread alain Baeckeroot
Le jeudi 1 mars 2007 11:51, Jason House a écrit : alain Baeckeroot wrote: (I propose to ban the term temperature from CGT, and replace it by value, unless someone can explain the link with temperature in physics, and shows some identical properties ;-) While I bet most of us

Re: [computer-go] Re: Big board. Temperature

2007-03-01 Thread alain Baeckeroot
Le jeudi 1 mars 2007 12:36, Nick Wedd a écrit : [EMAIL PROTECTED] writes (I propose to ban the term temperature from CGT, and replace it by value, unless someone can explain the link with temperature in physics, and shows some identical properties ;-) This would be confusing. A position in

Re: [computer-go] Big board, ++physics

2007-02-28 Thread alain Baeckeroot
Le mercredi 28 février 2007 16:49, Oliver Lewis a écrit : On 2/23/07, David Doshay [EMAIL PROTECTED] wrote: On 22, Feb 2007, at 9:03 PM, alain Baeckeroot wrote: ... I made very slow progress to formalize this ... But the whole stuff is rather coherent in my mind. Then I envy you

Re: [computer-go] scalability studies with UCT

2007-02-22 Thread alain Baeckeroot
Le jeudi 22 février 2007 17:00, Don Dailey a écrit : It appears that at 9x9 Lazarus needs more play-outs to equalize with gnugo. However, it also appears that at higher levels the superiority is even greater than in the 7x7 games. This is non-intuitive and probably not really the case - I

Re: [computer-go] Big board. Torus ?

2007-02-22 Thread alain Baeckeroot
Le vendredi 23 février 2007 01:19, Matt Gokey a écrit : Here is a thought experiment to test: define the board only logically using a graph (nodes and neighbor nodes). No topological shape and no mesh layout over any shape is needed. If all nodes have exactly four neighbors, there is no

Re: [computer-go] Big board, ++physics

2007-02-22 Thread alain Baeckeroot
Le jeudi 22 février 2007 01:16, David Doshay a écrit : It is pretty clear to me that, if the analogy to MC simulations in magnets is of any value, the temperature of the Go game you show is hotter than optimal. If the temperature were at the transition temperature, then each of the

Re: [computer-go] Big board. Torus ?

2007-02-21 Thread alain Baeckeroot
Le mercredi 21 février 2007 02:10, Antonin Lucas a écrit : No need for those difficulties, you can play along this board : http://www.youdzone.com/go.html I think this is not a torus, even if each vertice has 4 neighbours. I can easily mentally transform this into a cylinder, with an

Re: [computer-go] CGOS: Forfeit

2007-02-20 Thread alain Baeckeroot
Le mardi 20 février 2007 13:10, Heikki Levanto a écrit : P.S. Was there a good description of what a bot should do to finish a game earlier - my current ones play to the bitter end, with only 1-point eyes left. Might as well quit earlier if I can. Don't play moves which would be self-atari

Re: [computer-go] Monte-Carlo Go simulation

2007-02-09 Thread alain Baeckeroot
Le jeudi 8 février 2007 22:09, Sylvain Gelly a écrit : It seems i was ambiguous: I was speaking of the simulation player too. What i meant is a random simulation player is not biased, whereas a better simulation player is biased by its knowledge, and thus can give wrong evaluation of a

Re: [computer-go] early results

2007-01-27 Thread alain Baeckeroot
Le samedi 27 janvier 2007 14:07, Don Dailey a écrit : On Fri, 2007-01-26 at 20:18 -0800, David Doshay wrote: I would highly recommend that you do your testing against a different Go engine. Self-play is a weak indicator. Cheers, David I agree that there is a pretty good amount of

Re: [computer-go] early results

2007-01-27 Thread alain Baeckeroot
Le samedi 27 janvier 2007 14:58, alain Baeckeroot a écrit : Le samedi 27 janvier 2007 14:07, Don Dailey a écrit : I agree that there is a pretty good amount of in-transitivity with self-play. You can use the furiously fast and weak following programs: gnugo-1.2 (604 ELO on cgos 9X9

Re: [computer-go] Can a computer beat a human?

2007-01-24 Thread alain Baeckeroot
Le mercredi 24 janvier 2007 19:56, Stuart A. Yeates a écrit : Since no one has mentioned bounding memory, a complete lookup table (a complete table of correct moves, perfect-hashed by board state) should do the trick. With 10^170 legal position for 19x19 what would be the size of this table ?

Re: [computer-go] Can a computer beat a human?

2007-01-24 Thread alain Baeckeroot
Le mercredi 24 janvier 2007 23:06, Jim O'Flaherty, Jr. a écrit : You can if you use some sort of compression scheme...involving multiple values per quanta. I bet there's more than enough room...in the universe...probably just in your eyelash. True i forgot about fantastic

Re: [computer-go] Can a computer beat a human?

2007-01-24 Thread alain Baeckeroot
Le jeudi 25 janvier 2007 02:16, Lars Nilsson a écrit : On 1/24/07, alain Baeckeroot [EMAIL PROTECTED] wrote: True i forgot about fantastic quantum-computer, which so far solved only very specific and tiny problems or quantum mechanics. In the spirit of this, lets bring the quantum computer

Re: [computer-go] Can a computer beat a human?

2007-01-24 Thread alain Baeckeroot
Le jeudi 25 janvier 2007 02:16, Lars Nilsson a écrit : In the spirit of this, lets bring the quantum computer built at U of Illinois that computers its answer without actually running.. By placing our photon in a quantum superposition of running and not running the search algorithm, we

Re: [computer-go] an idea... computer go program's rank vs time

2007-01-21 Thread alain Baeckeroot
Le dimanche 21 janvier 2007 19:02, Don Dailey a écrit : On Sun, 2007-01-21 at 13:34 -0200, Mark Boon wrote: To move up 200 ELO points in Go is usually not achieved by looking at more positions but by acquiring new concepts. To acquire a new concept in just a few hours is a rare

Re: [computer-go] an idea for a new measure of a computer go program's rank.

2007-01-20 Thread alain Baeckeroot
Le dimanche 21 janvier 2007 01:23, Don Dailey a écrit : On Sat, 2007-01-20 at 15:34 -0700, Arend Bayer wrote: Hi Don, To put another perspective on it: If I had an hour for every move in a tournament game, I might play good EGF 5d level instead of average EGF 4d. That's a big difference

Re: [computer-go] Can Go be solved???... Komi

2007-01-13 Thread alain Baeckeroot
Le vendredi 12 janvier 2007 23:45, Chrilly a écrit : It would be interesting if the empirical Komi depends on the playing strength. It seems that for nearly random players, the komi is close to 0 (or maybe 1 under chinese rules to compensate for 1 more stone) Gunnar reported komi = 0.05 for

Re: [computer-go] Useless moves in the endgame and slow move in beginning

2007-01-13 Thread alain Baeckeroot
Le mercredi 10 janvier 2007 10:32, Sylvain Gelly a écrit : Hello, Also on 19x19 mogos plays also some very slow moves in the beginning of 7 handicap game. [...] In 19x19, MoGo only considers local moves, near the move you just played or the last move it played. It even doesn't look at

Re: [computer-go] Can Go be solved???... PLEASE help!

2007-01-13 Thread alain Baeckeroot
Le samedi 13 janvier 2007 16:46, Hideki Kato a écrit : CM-1's processing element is not a transputer but a custom (CMOS) 1-bit ALU with 4Ki bit of RAM. I know this is not essential but believe this kind of correction is old men's role :-). oops, true, my memory mixed up some old stuff :)

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