[Computer-go] Chess endgames on m x n boards (was Hex)

2015-08-01 Thread Ingo Althöfer
Hi, ... I have just been told by a colleague that Edouard Rodrigues solved hex mathematically. I was very surprised because I had never heard about it. The web site with the proof and optimal strategy is there: http://jeudhex.com/?page_id=17 as I wrote before the claim by Edouard

Re: [Computer-go] EGC2015 Events / Proceedings of the International Go Game Science Conference 2015

2015-07-30 Thread Ingo Althöfer
Hi, the exhibition game of CrazyManja was quite interesting. They played against Guo Juan (5p). Wwe got 3 handicap stones, and lost convincingly. I will present the sgf on Saturday. Cheers, Ingo. Gesendet: Donnerstag, 30. Juli 2015 um 13:11 Uhr Von: Petr Baudis pa...@ucw.cz An:

Re: [Computer-go] Hex is solved ?

2015-07-29 Thread Ingo Althöfer
Hi Rèmi, gorget it - no serious work. Ingo. Gesendet: Dienstag, 28. Juli 2015 um 15:38 Uhr Von: Rémi Coulom remi.cou...@free.fr An: computer-go@computer-go.org Betreff: [Computer-go] Hex is solved ? Hi, I have just been told by a colleague that Edouard Rodrigues solved hex

Re: [Computer-go] OGS Alan Turing Main Title Tournament 2015

2015-07-23 Thread Ingo Althöfer
Hi, sounds very interesting. will teams with more than one human be allowed? (I am thinking of two humans assisted by one bot.) Cheers, Ingo.     Gesendet: Donnerstag, 23. Juli 2015 um 01:22 Uhr Von: SR G gameso...@gmail.com An: computer-go@computer-go.org Betreff: [Computer-go] OGS Alan

Re: [Computer-go] CGT in Clobber ?!

2015-07-15 Thread Ingo Althöfer
Hello Xavier,   Xavier Combelle xavier.combe...@gmail.com I wonder what was the algorithm for your first bot. Alpha Beta ?   good question, and more or less easy to answer. My first Clobber bot was simply within the Zilliions-of-Games engine. I only programmed the rules file for this simple game.

Re: [Computer-go] CGT endgame solver

2015-07-14 Thread Ingo Althöfer
Hi, Igor Polyakov weiqiprogramm...@gmail.com: Even strong engines like Fuego will give wrong sequences in yose. And even very strong programs - like CrazyStone - sometimes have problem in evaluating smooth endgames correctly. I will present an example of this (in a game against Stefan

[Computer-go] CGT in Clobber ?!

2015-07-14 Thread Ingo Althöfer
Hello Josef, hello all, Josef Moudrik j.moud...@gmail.com ... As far as I know, combinatorial game theory is not used in modern Go engines, despite its nice theoretical properties. Let me tell you an anecdote from CGT history: In Februar 2002, there was a week-long conference on Algorithmic

Re: [Computer-go] Photos from Computer Olympiad

2015-07-06 Thread Ingo Althöfer
Ingo. I noticed that someone (maybe Hideki?) entered the game results with some game records on the ICGA web site: http://www.grappa.univ-lille3.fr/icga/event.php?id=45 Thanks for this effort, and congratulations to Zen. Rémi On 07/02/2015 11:50 PM, Ingo Althöfer wrote: Hello

[Computer-go] Results 19x19 Computer Olympiad

2015-07-05 Thread Ingo Althöfer
Hello, the Go competitions in the Computer Olympiad 2015 are over. In the 19x19 competition seven bots started. Winner became favorite Zen, ahead of Nomitan and Abakus. http://www.grappa.univ-lille3.fr/icga/tournament.php?id=290 Abakus and Nomitan each had 5 out of 7. Abakus won the playoff. So

[Computer-go] Photos from Computer Olympiad

2015-07-02 Thread Ingo Althöfer
Hello, currently the Computer Olympiad 2015 and Computer Chess World Championships are underway in Leiden (NL). In Go the competitions on small boards are completed. On 9x9 and 13x13 favorite Zen (Japan) took Gold. Abakus (Paderborn, Germany) collected Silver on 9x9 and Bronze on 13x13.

Re: [Computer-go] Computer Go Turnament at EGC 2015: Call for Participation

2015-06-16 Thread Ingo Althöfer
Hi Petr, hi all, (Just to clarify - the Computer Go tournament is on a Wednesday, which is a free day without official tournament game, so participants wouldn't miss that. I will be in Liberec for two days: on Wednesday for watching the bot tournament, on Thursday for the Go in Science

Re: [Computer-go] topological go gtp

2015-05-07 Thread Ingo Althöfer
Hi Ray, an emergency proposal for the case that you will not find a playing partner. If you have a torus with say 19x19 cells (and no holes), you may set komi = 0.5 and play mirror go. So, the artificial partner begins with an arbitrary first move x, and then mirrors the moves of your bot

Re: [Computer-go] How about a 39x39 tournament?

2015-04-27 Thread Ingo Althöfer
Hi all,   I would like to see some bot-vs-bot games on 37x37 or 39x39.   Von: Erik van der Werf erikvanderw...@gmail.com Personally I think 39x39 is too big. Also, there is a problem with GTP; the protocol does not support boards over 25x25.   Some years ago, Gian-Carlo Pascutto had provided

Re: [Computer-go] Arimaa bot notably stronger

2015-04-23 Thread Ingo Althöfer
Hi Darren, wow, thanks for the interesting news. On http://arimaa.com/arimaa/challenge/2015/showGames.cgi the games can be replayed. bot_sharp won all three games of round 1 and also all three games of round 2. In round 3 the bot beat the medium strength human, but lost to the weak one

[Computer-go] Arimaa bot notably stronger

2015-04-23 Thread Ingo Althöfer
Sorry for wrong format in my posting. Here it is in txt-style. ***  Hello,   I had just looked at the ratings of the players at the start of the match:   2623 Browni...    2262 Harvetsnow 2181 ChessandGo   My term weak was meant only relative to the

Re: [Computer-go] Arimaa bot notably stronger

2015-04-23 Thread Ingo Althöfer
Hello, I had just looked at the ratings of the players at the start of the match: 2623 Browni... 2262 Harvetsnow 2181 ChessandGo My term waek was meant only relative to the two other humans in the competition. Of course, I would likely have no chance against all three. Regards,

Re: [Computer-go] UEC Cup

2015-03-15 Thread Ingo Althöfer
Hi Hiroshi, thank you for keeping us informed! In particular nice to see that there is fresh computer go blood in Taiwan. Ingo. Gesendet: Sonntag, 15. März 2015 um 08:39 Uhr Von: Hiroshi Yamashita y...@bd.mbn.or.jp An: computer-go@computer-go.org Betreff: Re: [Computer-go] UEC Cup UEC

[Computer-go] Teaching Deep Convolutional Neural Networks to Play Game X

2015-01-14 Thread Ingo Althöfer
HI, did someone think about the question for which other games these Deep Convolutional NN may be helpful? For instance, from the portfolio of turnbased server littlegolem.net ? Ingo. ___ Computer-go mailing list Computer-go@computer-go.org

[Computer-go] CNN tool applied in practice

2015-01-12 Thread Ingo Althöfer
Dear Detlef, Todays bot tournament nicego19n (oakfoam) played with a CNN for move prediction. congratulation to the performance of your bot, and thanks for letting us know. Will you let NiceGo play in the KGS computer room against humans to see how it performs? Thumbs pressed, Ingo.

[Computer-go] Reminder: Handicap 29 Prize

2014-12-31 Thread Ingo Althöfer
Hi all, back in 1998, Martin Mueller had beaten the traditional (non-Monte-Carlo) Many Faces of Go despite of giving 28 handicap stones on the 19x19 board. The first bot that is able to achieve the same (before the end of year 2020), will get 1,000 Euro from my pocket. For details see:

Re: [Computer-go] Reminder: Handicap 29 Prize

2014-12-31 Thread Ingo Althöfer
Sorry for the typo. back in 1998, Martin Mueller had beaten the traditional (non-Monte-Carlo) Many Faces of Go despite of giving 28 handicap stones on the 19x19 board. Of course, Martin won at handicap 29. Ingo. ___ Computer-go mailing list

[Computer-go] Kassandra talking

2014-12-22 Thread Ingo Althöfer
Hi all, it seems computer-go faces exciting times again. What a wonderful world. Switch to Kassandra mode: Several years ago (ca 2008) Sylvain Gelly had his Ph.D. thesis and in it a section on the quality of random game generators. One of his

Re: [Computer-go] Kassandra talking

2014-12-22 Thread Ingo Althöfer
Hallo Robert, In total: Changing the random move generator typically will change the playing behaviour. However, it can not be well predicted if this change will be to the better or to the worse. Is this prediction theoretically impossible (why, under exactly which presuppositions)

Re: [Computer-go] Teaching Deep Convolutional Neural Networks to Play Go

2014-12-17 Thread Ingo Althöfer
Hi HIroshi, thanks for giving the link. One question: Is there a place where I can find sgf of the(some test games against Fuego1.1 and GnuGo? I want to understand the playing style of this CNN approach. Ingo. Gesendet: Montag, 15. Dezember 2014 um 00:53 Uhr Von: Hiroshi Yamashita

[Computer-go] Archive?

2014-12-16 Thread Ingo Althöfer
Hello,   it is fantastic that mails from the list are distributed again - thanks to Petr and to anybody else who helped with this.   One question: Is it somehow ensured that the mails will be properly archived? At least they are not shown in the old archive list:

Re: [Computer-go] CFP: Second International Go Game Science Conference, Liberec 2015

2014-12-13 Thread Ingo Althöfer
Hi Petr, thanks for making the announcement of the conference public. Just one immediate question: The EGC is from July 25 to August 08. Typically Computer Go activities are on Wednesday in the second week (which is August 05). According to your text, the conference is in the first week (July

[computer-go] Re: Dynamic Komi at 9x9 ?

2010-02-18 Thread Ingo Althöfer
Hello Don, several very good points by you! Does anyone have data based on several thousands games that attempts to measure the effect of dynamic komi? I would like to see results that are statistically meaningful. I had eight handplayed (4 + 4) games on 19x19 with very high

[computer-go] Re: Dynamic Komi at 9x9 ?

2010-02-18 Thread Ingo Althöfer
Don Dailey wrote: Ingo Althofer: I had eight handplayed (4 + 4) games on 19x19 with very high handicap, where the version with dynamic komi (rule 42) gained a 3-1 score and the version with static komi performed 0-4 versus the same opponent. This is evidence in the 95% region that the

[computer-go] Re [on pasky]: Dynamic Komi at 9x9 ?

2010-02-18 Thread Ingo Althöfer
Hello Petr, thx for the diagram. A few question for clarification: Does RAVE mean pachi-with-RAVE? Does RAVE-linkomi mean pachi-with-RAVE-linkomi? Did all three bots (GNUGO, RAVE, RAVE-linkomi) have the same (weak) opponent in these experiments? Who was this common opponent? Was this on 19x19?

[computer-go] Re [Dave]: Dynamic Komi at 9x9 ?

2010-02-18 Thread Ingo Althöfer
Hello Dave, I'm not a proper statistician, but I believe there's a crucial second step that's missing in your analysis of significance. You are right in the sense that I was not precise enough in my statement. Here comes a new attempt. I have three players A, B, C. A plays four times

[computer-go] Re [Pasky]: Dynamic Komi at 9x9 ?

2010-02-18 Thread Ingo Althöfer
Petr Baudis asked: I'm confused. What do you mean by This is evidence in the 95% region? 3/4 has confidence interval from 19% to 99%, 0/4 has confidence interval from 0% to 60%. Assume for simplicity that both A and B have a 50 % winning chance for each single game against C. The cases with

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

2010-02-17 Thread Ingo Althöfer
Darren Cook wrote: This (if I've understood correctly) is what I thought the dynamic komi idea was, i.e.: Aim to be winning 60% of simulations. If winrate is over 60, increase the artificial komi (if black; decrease it if white) on the next move (*). If winrate is below 40, then do

[computer-go] Dynamic Komi at 9x9 ?

2010-02-17 Thread Ingo Althöfer
Hello, I informed the German go scene that there is (some) progress at KGS bots with dynamic komi. Based on this, a friend told me that they would have an open afternoon for go beginners in the middle of March - and they expect many newbies with strengths between 17k and 30k. His question is if a

[computer-go] Re: February KGS bot tournament

2010-02-01 Thread Ingo Althöfer
Hi Nick, ... There are details at http://www.gokgs.com/tournInfo.jsp?id=495. 1, and counting. Ingo ;-) -- Jetzt kostenlos herunterladen: Internet Explorer 8 und Mozilla Firefox 3.5 - sicherer, schneller und einfacher! http://portal.gmx.net/de/go/atbrowser

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

2010-01-19 Thread Ingo Althöfer
Terry McIntyre wrote: ... My pet peeve is the KGS score estimator, which is often wildly wrong As explained by others a strong SE for ALL positions is equivalent to a strong program. Instead one might ask for appropriate partial SE: in many positions the partial SE gives an estimates; in

[computer-go] Re: European Go Congress 2010

2010-01-16 Thread Ingo Althöfer
Hello, Petr Baudis wrote: http://www.egc2010.fi/schedule.php The Computer Go label in the schedule is quite ambiguous, it is not clear what does it mean... Probably it is meant dynamically: a lot is possible, nothing is forced. ECG2008 in Sweden had full-fledged tournaments at 9x9 and

[computer-go] Re: Congratulations to Fuego!

2010-01-13 Thread Ingo Althöfer
Nick Wedd wrote: I also owe two beers to the GNU Go team. Hmm. Promising one beer or two beers to a potentially large GNU team seems problematic: Shall all the gnuguys drink from the same glas? In a similar way it might be problematic to give a free beer for a bot on a multi-core PC: Should

[computer-go] European Go Congress 2010

2010-01-13 Thread Ingo Althöfer
Hello altogether, the European Go Congress in 2010 will take place in Finland, in Tampere, from July 24 to August 07. There is also the intention to have a special computer go tournament within the congress, on Wednesday, August 04. http://www.egc2010.fi/schedule.php Perhaps, also some

[computer-go] Re: Congratulations to Fuego!

2010-01-11 Thread Ingo Althöfer
Dear Nick, thanks for the report, and more generally thanks for initiating and organizing all these interesting KGS bot tournaments. One wish I have: Often you give some important web address, followed directly (without blank) by a komma or a fullstop. When I click at such an address (under

[computer-go] 13x13 human vs computer

2010-01-10 Thread Ingo Althöfer
Hello, at a public event (during an exhibition on Claude Shannon; in Nixdorf museum in Paderborn) I want to arrange an exhibition game human vs computer go on 13x13 board. (Thinking time about 45 minutes for both sides.) Does someone here know about human vs computer games on 13x13? The human

[computer-go] Re: on KGS bot tournaments

2010-01-04 Thread Ingo Althöfer
Hi Nick, ... So please, anyone who is interested, make your suggestions now. I have a really exotic proposal: what about one pair-go bot tournament in 2010 ? A pair consists of two bots A and B from different programmers. In a game, a pair takes one side (Black or White), and A and B are

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

2010-01-04 Thread Ingo Althöfer
Hi all, Alain Baeckeroot wrote: As a physicist i like to experiment first, and think later, to understand what happened, which obviously was not foreseen ;-) This attitude I like very much, being an experimental mathematician. I believe it will reveal some hidden aspect of the stronger

[computer-go] (no subject)

2010-01-03 Thread Ingo Althöfer
Hello all, especially hello Nick, http://www.weddslist.com/kgs/future.html are there already plans for KGS bot tournaments in 2010? Cheers, Ingo. -- GRATIS für alle GMX-Mitglieder: Die maxdome Movie-FLAT! Jetzt freischalten unter http://portal.gmx.net/de/go/maxdome01

[computer-go] Zen beats a 5-dan on KGS

2010-01-02 Thread Ingo Althöfer
The old year 2009 ended with a true cracker onm KGS: In the computer room Mosa, a Japanese player with rank 5-dan, had five games with Zen running on a mini-cluster (4x4 cernels). One of these games was won by Zen, at chinese rules, komi 7.5 and handicap 0. Zen was black in that game. Thinking

[computer-go] Re: A cluster version of Zen is running on cgos 19x19

2009-12-28 Thread Ingo Althöfer
Hello Hideki, Ingo, now Zengg19 is running in Computer Go room as a rank-free bot with 30 minutes sd. It's running on a (mini) cluster of four Intel quad-core handcraft computers. Thank you for that Christmas surprise. And Cluster-Zen's performance on cgos is impressive, indeed:

[computer-go] Re: Live broadcasting at UEC Cup

2009-11-28 Thread Ingo Althöfer
Hi Hideki, thanks for reporting results of the UEC CPU. I see that a participant KCC Igo is listed. * Is this program or its programming team related to the KCC program which had plagiarized Handtalk some years ago? * If so, have the organizers of the UEC Cup made any attempts to find out

[computer-go] Re: A cluster version of Zen is running on cgos 19x19

2009-11-24 Thread Ingo Althöfer
Hideki Kato wrote: I'm now testing a cluster version of Zen (Zengg-4x4c-tst), developed by a joint project with Yamato, on cgos 19x19. It wons, however, all games (except first one with timeout due to a bug). Running more strong programs are very appreciated. Hideki, thx for your

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

2009-11-24 Thread Ingo Althöfer
Jeff Nowakowski wrote: I think this game [go with Hahn scoring; IA] is clearly more difficult than a binary win/loss game. That is one of the possible question, and I also vote for yes, as normal go is simply a Hahn-Go veriant with coarsened evaluation. Even more interesting might be this

[computer-go] Re: A cluster version of Zen is running on cgos 19x19

2009-11-24 Thread Ingo Althöfer
Hideki replied: Do I have a Christmas wish for free already? It is: Let the cluster also run on KGS - against the humans. I'd like to do so but it's not allowed to connect the cluster to the Internet, sigh. Hmm. As CGOS is also Internet, it seems that Zen-author does not allow you to

[computer-go] Re: A cluster version of Zen is running on cgos 19x19

2009-11-24 Thread Ingo Althöfer
Hi Hideki, Is Zen-Author reading here? Maybe, he can rethink about the possibility. He is sleeping now 'cause it's 5:30 am in Japan :). Ok, let him his good sleep. I want Cluster-Zen for Christmas, Cluster-Zen-for Christmas, Cluster-Zen for Christmas, please, please, please, please...

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

2009-11-23 Thread Ingo Althöfer
Alain Baeckeroot wrote: A Go tounrmaent with Hahn system has been retransmeted see ... http://www.suomigo.net/wiki/HahnSystem Thanks for the interesting stuff and the links. From the link HahnSystem: Winning By 0.5-10 gets 60 points Winning by 10.5-20 gets 70 points Winning

[computer-go] Games of Havannah tournament

2009-11-18 Thread Ingo Althöfer
Hello, the games of the Havannah tournament in Jena can be replayed at http://www.mindsports.nl/index.php/arena/havannah/443-jena-2009-tournament Cheers, ingo. PS: Both bots involved (DeepFork by Thomas Reinhardt and Gambler by Richard Pijl) used special types of MCTS. -- DSL-Preisknaller: DSL

[computer-go] Havannah Tournament in Jena

2009-11-16 Thread Ingo Althöfer
Last Friday (Nov 13, 2009), there was a Long Night of Sciences in Jena. My group was involved, under the title Games - with mathematics or without. Amongst others, we organized a mixed tournament in Havannah (on boards of size 6): two top humans competed with the to best computer programs. We

[computer-go] Re: Joseki Book

2009-11-10 Thread Ingo Althöfer
Hi Robert, robert jasiek wrote: Stefan Kaitschick wrote: One day, when MCTS becomes more refined, bots will stop overestimating the value of influence. Why should they? Because most human players are overestimating the value of early territory? Interesting comment... So, do you believe

[computer-go] Re: Joseki Book

2009-11-10 Thread Ingo Althöfer
Robert Jasiek wrote: ... PS: Can you give us a comment on Fuego's influence-oriented Joseki's in the KGS bot tournament on Sunday ? I am not sure which game that is; please send it to me / the list as SGF inline or attachment. Or do you mean all games of Fuego played on 11-08? Fuego

[computer-go] Re: Joseki Book

2009-11-10 Thread Ingo Althöfer
Hello Robert, thanks for the detailed comments. I think, there are many readers/actors here who appreciate them. Here is the team of Fuego (status from Pamplona, May 2009): Markus Enzenbergerengine programmer Martin Müller engine programmer Broderick Arneson engine programmer

[computer-go] Re: Joseki Book

2009-11-10 Thread Ingo Althöfer
Hello Robert, thanks for your detailed comments. I think, many readers/actors here appreciate them. At one point you wrote: ... I do not mention some obvious mistakes. Are they later in the game(s), or also some in the openings? Not all here are really go experts; so it would be helpful for

[computer-go] Re: Joseki Book

2009-11-10 Thread Ingo Althöfer
Robert Jasiek wrote: ... Ask those that can distinguish sum-style from obvious mistakes. Terry McIntyre wrote: Robert, Your post is the first usage of sum-style that I have seen I found one earlier mentioning of sum-style, by Robert in a godiscussion in Febrary 2009. Look at

[computer-go] Re: A Tenure Track Position in Japan

2009-11-05 Thread Ingo Althöfer
Brian Sheppard complained: Man, I just don't live in the right location. First Paris, and now Japan. Can't a position open in, say, Boston? :-( There was something rather recently, by Dr. Eric Baum if I remember correctly. Ingo. -- DSL-Preisknaller: DSL Komplettpakete von GMX schon für

[computer-go] Great Wall Opening by Bruce Wilcox

2009-10-16 Thread Ingo Althöfer
In the year 2000 I bought the book EZ-GO: Oriental Strategy in a Nutshell, by Bruce and Sue Wilcox. Ki Press; 1996. I can only recommend it for the many fresh ideas. A few days ago I found time again to read in it. This time I was impressed by Bruce Wilcox's strange opening Great Wall, where

[computer-go] Re: KGS bot tournament

2009-09-20 Thread Ingo Althöfer
Olivier Teytaud wrote: I hope you did not consider us as a strong entrant; this is the first participation of our new bot and main parts change everyday (even this morning :-) ). Independently of you own view I consider MoGoBot to be a very interesting participant in the tournament. In my

[computer-go] Re: KGS bot tournament

2009-09-20 Thread Ingo Althöfer
In my eyes, besides MoGo, MFoG, and Zen only Fuego and Valkyria are missing from the top league. Olivier Teytaud wrote: There's CrazyStone at least, also. Yes, but that was a year ago or longer. Another story, concerning good old Leela: When I bought Leela 3.15 / 3.16 in October 2008, I took

[computer-go] Dynamic komi at high handicaps

2009-09-01 Thread Ingo Althöfer
After many (hand-operated) games with dynamic komi in high handicap situations I have - amongst other things - found the following for board size 19x19, when the side who has to catch up uses dynamic komi: (i) At handicap 7 the dynamic komi seems to give at least one additional level (one stone)

[computer-go] H7-moratorium ?

2009-08-22 Thread Ingo Althöfer
Yesterday and today there have been three exhibiton games of Chun-Hsun Chou (9p), on 19x19 board against three different bots (Zen, Many Faces of Go, Mogo). In all these games the bots got 7 handicap stones. Chou won all the games convincingly. Looking at Nick Wedd's table

[computer-go] Re: H7-moratiorium

2009-08-22 Thread Ingo Althöfer
Nick Wedd wrote: According to http://oase.nutn.edu.tw/FUZZ_IEEE_2009/result.htm Chun-Hsun Chou played only two 19x19 games, the one against Mogo was by Shen-Su Chang 6d. The website you cie does not mention all games played. Chou (adhoc) played one more game on 19x19 against MoGoBot1, at

[computer-go] Exact dates for Chou vs Bots ?

2009-08-20 Thread Ingo Althöfer
Does someone here know the exact starting times (in common time zones) for the 19x19 exhibition games * Chou(9p) vs MFoG (Fr, August 21) * Chou(9p) vs Zen (Sa, August 22) ? Thx in advance. Ingo. PS: I will reply later to the interesting postings by Brian Sheppard and Weston Markham on

[computer-go] Human vs Computer in IEEE conference

2009-08-19 Thread Ingo Althöfer
Forthcoming human-vs-computer games in go: http://www.althofer.de/ieee-go-0.jpg http://www.althofer.de/ieee-go-1.jpg http://www.althofer.de/ieee-go-2.jpg http://www.althofer.de/ieee-go-3.jpg http://oase.nutn.edu.tw/FUZZ_IEEE_2009/result.htm Ingo. -- GRATIS für alle GMX-Mitglieder: Die maxdome

[computer-go] (no subject)

2009-08-19 Thread Ingo Althöfer
Jeff Nowakowski wrote: On Wed, Aug 19, 2009 at 07:27:00AM -0700, terry mcintyre wrote: Consider the game when computer is black, with 7 stones against a very strong human opponent. ... Didn't this game actually happen? Didn't MoGo *beat* a pro with 7 stones? It was long ago: in

[computer-go] Dynamic komi

2009-08-19 Thread Ingo Althöfer
Don wrote: But how do you create the required tension in a way that produces a program that plays the game better? At least in high handicap go on 19x19 (with the dynamic bot being the stronger player) it seems to work when the bot is kept in some 35-45 % corridor, as long as it is clearly

[computer-go] Dynamic komi at high handicaps

2009-08-12 Thread Ingo Althöfer
In the last few weeks I have experimented a lot with dynamic komi in games with high handicap. Especially, I used the really nice commercial program Many Faces of Go (version 12.013) with its Monte Carlo level (about 2 kyu on 19x19 board) and its traditional 18-kyu level as the opponent. At

[computer-go] O-Meien vs Zen

2009-08-10 Thread Ingo Althöfer
This morning the exhibition games between O Meien (9p) and Zen were played on KGS. On 19x19, at handicap 7, O Meien won by resignation. On 9x9, 3 games were played. In all of them Zen had Black. Two of the games were at komi 3.5 - and won by O Meien. One was at komi 2.5 - and won by Zen. sgf

[computer-go] Re: Myungwan Kim 8P versus Many Faces of Go

2009-08-06 Thread Ingo Althöfer
Terry McI announced: On Friday, August 8th, at 3 PM Eastern Daylight Time, Myungwan Kim 8P will play against Many Faces of Go. One question, do you mean Friday, August 7th, 2009 or Saturday, August 8th, 2009 or another year ;-) Thanks for informing us. Cheers, Ingo. -- Neu: GMX

[computer-go] Re: O Meien 9p vs Zen

2009-08-05 Thread Ingo Althöfer
Yamato San wrote: The match of O Meien 9p vs Zen will be held on next Monday via KGS. Schedule (JST) Date: August 10 Time: 14:10 Handicap 9x9: Zen is black, with 0.5 or 3.5 komi (?) 19x19: Zen is black, with 7 handicap stones. Thanks for the information. * How many games will be

[computer-go] Re: demo with pro at Go Congress in Fairfax

2009-07-25 Thread Ingo Althöfer
Terry wrote: I'm trying to set up a demo game between Myungwan Kim and Mogo at the Go Congress in Fairfax, VA Or, what do you think about the following idea: Make it a pair-go event with 2 strong humans versus 2 strong go programs (+ handicap). For the computer team, for instance the two best

[computer-go] Re: Mirror Go against Zen

2009-07-23 Thread Ingo Althöfer
Don wrote: It could be a matter of style as you say, not a matter of strength. Right. My main questions is whether it's been established as true that Zen really plays poorly and Many Faces is brilliant against mirror go. Or does it just seem that way based on casual observation? Right.

[computer-go] Re: Mirror Go against Zen

2009-07-23 Thread Ingo Althöfer
Alain Baeckeroot wrote: gnugo --mirror will try to play mirror go :) How does it do this? Interesting might be a setting like the following: When gnu-mi (short for gnugo --mirror) has to make a move in a position, the following procedure is run: (a) Is the position a mirror position and is

[computer-go] Really great cinema by Many Faces

2009-07-22 Thread Ingo Althöfer
David Fotland wrote in a related thread: Many Faces does not test for mirror go. But it is able to produce really great cinema against mirror go. Today I ran a test game with MF 12.013. Board size 13 Chinese Rules, but with komi=-45.5 (in words minus fourtyfive-dot-five). Many Faces as White

[computer-go] Mirror Go against Zen

2009-07-20 Thread Ingo Althöfer
On KGS, some humans players (yakuman, finnes) now have started to play mirror go against Zen19 (Humans as Black; komi=+0.5). So far Zen19 seems to react helpless. In contrast, commercial versions of ManyFaces and Leela seem to have (almost) no problems with mirror go. Ingo. -- Jetzt kostenlos

[computer-go] Re: Mirror Go against Zen

2009-07-20 Thread Ingo Althöfer
Don Dailey wrote: I thought you played mirror go as white? Or with Black, starting in center. It is possible when komi is only 0.5 and chinese scoring. I'm not a go player, but it seems like it would be hard to win if you had the white pieces with 0.5 komi and black mirrored everything you

[computer-go] Many Faces Win against Mirror on 9x9

2009-07-20 Thread Ingo Althöfer
Included is the sgf of a win of Many Faces, when playing on 9x9 board with White, at komi 0.5, with opponent making mirror go all the time. Ingo. -- GRATIS für alle GMX-Mitglieder: Die maxdome Movie-FLAT! Jetzt freischalten unter http://portal.gmx.net/de/go/maxdome01 manyfaces-mirror-9x9.sgf

[computer-go] Re: Dynamic komi in commercial programs

2009-07-15 Thread Ingo Althöfer
thaoeuns at gmail.com wrote: So changing the komi doesn't actually improve your confidence interval. If (as Darren said) the win percentage is a crude estimate of the final score, then changing komi would do nothing to change the results one got (and at extremes biases it badly). Moving

[computer-go] Re: Dynamic komi in commercial programs

2009-07-14 Thread Ingo Althöfer
Darren Cook wrote: Ingo's suggestion (of two buttons to increment/decrement komi by one point) was to make it easy for strong humans to test out the idea for us. Don Dailey wrote: There is no question that if you provide a button to push, all kinds of positions will appear where this idea

[computer-go] Re: Dynamic komi in commercial programs

2009-07-12 Thread Ingo Althöfer
Don Dailey wrote: I think we should open up to other ideas, not just dynamic komi modification. In fact that has not proved to be a very fruitful technique and I don't understand the fascination with it. I was not clear enough in the original posting. My main point is the following:

[computer-go] Dynamic komi in commercial programs

2009-07-11 Thread Ingo Althöfer
One of the difficult questions is if (or better how) dynamic komi can be used to improve the strength of MCTS go programs in handicap games (both cases being interesting: computer on strong side - and - computer on weak side). Especially, there are several normal go players (non-programmers) who

[computer-go] Re: Havannah - Go - LittleGolem

2009-06-22 Thread Ingo Althöfer
Hello Michael, Lukasz, Michael Williams wrote: Are the games archived? Does the public have access to those archives? Yes, they are. Everybody (with internet access) can see and replay the games. For instance, the games of Lukasz Lew can be found at

[computer-go] Re: Havannah - Go - LittleGolem

2009-06-22 Thread Ingo Althöfer
Hello Lukasz and Urban Łukasz Lew wrote: In Havannah, there are not many bots. And, in the meantime the programmers have marked their profiles accordingly. Profiles don't help. On LG you just click register and you are paired. I see your point. When you definitely want to avoid being

[computer-go] Havannah - Go - LittleGolem

2009-06-21 Thread Ingo Althöfer
Hello, some time ago I had asked if discussions on computer Havannah were welcome here in the list. The reactions were positive, but (by different reasons) actors preferred not to use the opportunity. In the meantime a computer Havannah scene has developed on the game server

[computer-go] Re: US Go Congress

2009-06-11 Thread Ingo Althöfer
Another 2 cents from me: what about inviting good old Bruce Wilcox for a show event against computer(s)? With him you would get all in one: * strong amateur * author of (old) go program * author of one of the best go books ever Ingo. -- GRATIS für alle GMX-Mitglieder: Die maxdome Movie-FLAT!

[computer-go] Re: US Go Congress

2009-06-09 Thread Ingo Althöfer
Terry McIntyre wrote: I can volunteer to organize the computer versus pro demonstration. Myung-Wan Kim lives in Los Angeles and I can approach him; he played against Mogo last year. Will Mogo be available? Mogo team, do you feel that Mogo has improved since the previous demonstration?

[computer-go] Passive Zen is 2-dan now

2009-06-03 Thread Ingo Althöfer
Zen19 has not been active on KGS since May 9. But it's rating is soaring. See at http://www.gokgs.com/graphPage.jsp?user=zen19 Just with the start of June 2009 Zen19 has crossed the barrier to 2-dan. Congratulations! Ingo. PS: How can a rating of an inactive player change? It changes because

[computer-go] Re: stv is Steenvreter

2009-06-01 Thread Ingo Althöfer
Hi Erik, By the way, Steenvreter is such a nice name. You should call your baby by full name on KGS. When I registered the kgs account for Steenvreter the name was too long, so I had to shorten it :-( I've update stv's profile to show Steenvreter under 'Real Name' Thanks. 10 letters seem

[computer-go] Re: The Shodan Go Bet

2009-06-01 Thread Ingo Althöfer
Darren Cook wrote: Back in 1997 I made a $1000 bet with John Tromp that he wouldn't be beaten my a computer before 2011. I've made a page to publicize the bet: http://dcook.org/gobet/ Interesting. Can you add John Trump's current/recent view on the bet to your site? Ingo. -- Nur bis

[computer-go] Who is stv?

2009-05-31 Thread Ingo Althöfer
A program named stv has won the 9x9-KGS bot tournament today by a laaarge margin, ahead of Fuego, Zen9, Aya, Valkyria and Rango. More details under http://www.gokgs.com/tournEntrants.jsp?sort=sid=463 Does someone here know who stv's programmer is? Ingo. -- Nur bis 31.05.: GMX FreeDSL

[computer-go] Re: stv is Steenvreter

2009-05-31 Thread Ingo Althöfer
Nick Wedd explained: stv is Steenvreter. Its creator is indeed Erik van der Werf, whose KGS account is evdw. Its name is Dutch for stone eater... Congratulations to Erik van der Warf for the Win! By the way, Steenvreter is such a nice name. You should call your baby by full name on KGS.

[computer-go] Extended AMAF

2009-05-29 Thread Ingo Althöfer
Hello, maybe this is old stuff for the insiders. In my lecture today a clever student (Hagen Riedel) brought up the following idea to extend AMAF. He counts in four ways moves on a specific square: (1) How often did player A make this move in random games which he won? (2) How often did player A

[computer-go] Match: MoGo vs Taranu on 9x9

2009-05-22 Thread Ingo Althöfer
Today an exhibition match of four games was played between program MoGo and European Champion Catalin Taranu (5p). On 9x9 board, with 30 min for each player. Games (with tons of comments from spectators) can be found in KGS archive, under http://www.gokgs.com/gameArchives.jsp?user=mogoRennes

[computer-go] Re: Match: MoGo vs Taranu on 9x9

2009-05-22 Thread Ingo Althöfer
Olivier Teytaud wrote: http://www.gokgs.com/gameArchives.jsp?user=mogoRennes ... in games 2 and 3 mogo lost quite late with some stupid very fast moves - this suggests that perhaps we should save up time in the beginning. Well, it's a conclusion based on a sample of 2 games :-) I think

[computer-go] Re: Reflections on a disaster

2009-05-21 Thread Ingo Althöfer
David Fotland wrote: The last moves in the PV are usually quite weak. They don’t get a lot of playouts. In principle I like long PVs, therefore (and of course because of its playing strength) Many Faces is my favorite Go program. Several of you may laugh at me/it, but with some training a

[computer-go] Re: Cross-Question on Pamplona

2009-05-21 Thread Ingo Althöfer
Martin Mueller wrote: In my view, Zen and CrazyStone are clearly the strongest 19x19 programs on equal PC-type hardware. This is what we saw on CGOS a few months ago. I also expected MoGo to still be a few hundred Elo ahead of Fuego on 19x19, but this is not how the two games in Pamplona

[computer-go] Cross-Question on Pamplona

2009-05-17 Thread Ingo Althöfer
Hello, this is not Go, but I feel that some people here should know the answer: What are the results of the Connect6 competition in the Computer Olympiad. Thx in advance, Ingo. -- Neu: GMX FreeDSL Komplettanschluss mit DSL 6.000 Flatrate + Telefonanschluss für nur 17,95 Euro/mtl.!*

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