Re: [Computer-go] Round 3: codecentric Challenge

2014-10-18 Thread Darren Cook
today at 16:00 CEST, round 3 of the codecentric Challenge (between Franz-Josef Dickhut (6-dan) and CrazyStone) starts in Computer Room of KGS. Do you have links to results of the first two rounds? Thanks, Darren ___ Computer-go mailing list

Re: [Computer-go] ieee aticle about computer go by Jonathan Schaeffer

2014-07-03 Thread Darren Cook
is clearly lost). Darren -- Darren Cook, Software Researcher/Developer My new book: Data Push Apps with HTML5 SSE Published by O'Reilly: (ask me for a discount code!) http://shop.oreilly.com/product/0636920030928.do Also on Amazon and at all good booksellers

Re: [Computer-go] Skip-opening matchmode

2014-06-05 Thread Darren Cook
that it becomes misleading. Darren [1]: This was the same argument I made in favour of a very large test suite (e.g. 10,000 positions, from all stages of the game, and all styles and strengths of game), as the best way to evaluate progress. -- Darren Cook, Software Researcher/Developer My new book: Data

[Computer-go] C++11; threads

2014-04-29 Thread Darren Cook
memory model and atomics. Darren *: I've been using futures to handle the async complexity in JavaScript/jQuery. For certain kinds of problems they can be a very graceful solution. -- Darren Cook, Software Researcher/Developer My new book: Data Push Apps with HTML5 SSE Published by O'Reilly: (ask me

Re: [Computer-go] A few questions from a beginner

2014-03-17 Thread Darren Cook
Pachi's definition looks correct to me. There are a few rare exceptions to this definition but it should work well in general. Agreed. The classic exception is: http://senseis.xmp.net/?TwoHeadedDragon (I *think* that represents *all* the exceptions; everything else that is regarded as alive

Re: [Computer-go] The 7th UEC Cup Entry is Open NOW!

2014-02-23 Thread Darren Cook
As some of you are already aware of it, the 7th UEC Cup Computer Go Tournament entry is now open.(Mar 15/16) Do you have any details (even in Japanese) of the symposium happening on March 18/19? Thanks, Darren ___ Computer-go mailing list

Re: [Computer-go] 1st Go Denou-sen

2014-02-11 Thread Darren Cook
Thanks for the commentary Kato-san. 2nd game: Almost perfect win by B. Chang 8p had studied this opening a lot and had a big confidence. Ohashi 6p (well-known 9x9 expert) was very glad because the opening until move 7 practically get concluded as B+0.5, thanks to Chang. W E5 (6th) was

Re: [Computer-go] 1st Go Denou-sen

2014-02-03 Thread Darren Cook
Zen will play against two pros in 9x9 and one top amateur in 13x13, and Ozawa Ichiro in 19x19. Ozawa is a one of the famous Japanese politician. He is known as strong Go player. Wow, the Shadow Shogun! I didn't know he plays go! I wonder if he plays the way he plays politics: scatter a few

Re: [Computer-go] Congratulations to Crazy Stone!

2013-12-10 Thread Darren Cook
I am afraid can depend on rule set in use. I guess that under Japanese rules bent four is dead by definition. If you had four bent-fours, one in each corner, all dead in Japanese rules for the same colour, *and* four un-removeable ko threats, is that the position that will give the biggest

Re: [Computer-go] A tiny milestone reached.

2013-12-06 Thread Darren Cook
I know it means very little but Valkyria just reached 9Dan ... http://www.littlegolem.net/jsp/info/player.jsp?plid=22065 Congratulations! The level of 9x9 ch.*.1.1 play on LG is very high, because everyone playing there is taking it seriously, knows how to use long time allowances, and is

Re: [Computer-go] Playouts vs playingstrength

2013-11-20 Thread Darren Cook
100 [elo] pts/rank is really very wrong... Are you defining rank in terms of a win-rate, or in terms of handicap stones? Darren ___ Computer-go mailing list Computer-go@dvandva.org http://dvandva.org/cgi-bin/mailman/listinfo/computer-go

Re: [Computer-go] How many probes down the tree are necessary for a good bot?

2013-11-14 Thread Darren Cook
... I'm going by the Measuring program strength thread (Aug 3013) where people are getting 50% against GnuGo with 1K to 10K playouts.) Actually, in that thread Hiroshi was saying he only needs 350 playouts, and Detlef was at 700. So it seems you're off by roughly a factor 10. Yes, I was

Re: [Computer-go] How many probes down the tree are necessary for a good bot?

2013-11-12 Thread Darren Cook
How many probes/playouts are necessary for a 19x19 MCTS bot to beat a human amateur? Let's say 5k rating. (5 kyu will need defining a bit more: can we assume a KGS 5-kyu?) If light playouts (i.e. random, with just the most basic go knowledge to prevent filling your own eyes and ko checking to

[Computer-go] Monte-carlo simulations vs. MCMC

2013-11-01 Thread Darren Cook
. Are we already using Markov-Chains in MCTS, just by another name? If not, why not? (I.e. is it an idea that was tried but didn't work very well for reasons we don't understand very well? Or there something about the nature of the go rules that mean it cannot be done? etc.) Thanks, Darren -- Darren

Re: [Computer-go] Monte-carlo simulations vs. MCMC

2013-11-01 Thread Darren Cook
MCMC has little to do with what we do in computer Go. In MCTS we have a Markov Chain and we take Monte-Carlo samples from it, but the purpose is really not the same at all as what MCMC algorithms do. I recommend the wikipedia articles. It is difficult to really get an idea of MCMC by reading

Re: [Computer-go] 9x9 result in Olympiad

2013-08-17 Thread Darren Cook
9x9 tournament had 10 participants, and Zen won. 1st Zen 8 -1 Congratulations to Zen on a clean sweep of the go tournaments! I'm sure feeling vindicated is one of the baser emotions, but I feel it anyway: I remember 10 or so years ago (*) people telling me 9x9 was a dull game, not

Re: [Computer-go] CG2013, in Yokohama

2013-06-26 Thread Darren Cook
) BTW, I'm nothing to do with conference organization, but as a Tokyo local, if anyone has general questions, I'm happy to try and help. (Perhaps off-list, unless you think others will have the same question.) Darren -- Darren Cook, Software Researcher/Developer http://dcook.org/work

Re: [Computer-go] Narrow wins

2013-06-11 Thread Darren Cook
The dynamic komi can be pretty large. I think I limit it to 30 points or so. If the komi were only a point or two you would see a lot of games won by 2.5 points or so. You can see from the results that the margins are often pretty large. Hello David, Interesting! Is the benefit just from

Re: [Computer-go] Congratulations to Zen!

2013-06-03 Thread Darren Cook
My report is at http://www.weddslist.com/kgs/past/93/index.html Round-7: why is W ahead by 16 points? Aren't all the white stones in the upper right corner dead? Agreed (unless there is a typo in the diagram and those two white stones are not in atari: it seems like black should have played

[Computer-go] CG2013, in Yokohama

2013-06-03 Thread Darren Cook
think others will have the same question.) Darren -- Darren Cook, Software Researcher/Developer http://dcook.org/work/ (About me and my work) http://dcook.org/blogs.html (My blogs and articles) Investigating the Limits of Monte Carlo Tree Search Methods in Computer Go Huang, Aja; Mueller, Martin

Re: [Computer-go] Diversity and Go

2013-05-29 Thread Darren Cook
. But if sticking with a chart, some horizontal lines would have helped.) Darren -- Darren Cook, Software Researcher/Developer http://dcook.org/work/ (About me and my work) http://dcook.org/blogs.html (My blogs and articles) ___ Computer-go mailing list

Re: [Computer-go] Go playing software accelerator development

2013-05-23 Thread Darren Cook
Thank you for the information. Despite of the fact that I probably be able to acelerate several of these functions at a time you are right. That will speed up the program maybe twice, but I think that the hardware will be only valuable if it will be able to speed up the program at least in an

Re: [Computer-go] Second Densei-sen results

2013-03-20 Thread Darren Cook
Looks like Amatuer 6dan, maybe genius Pro Go player lost against Computer. (with picture) http://sankei.jp.msn.com/life/news/130320/igo1303202042-n1.htm Here is a quick translation: The first Densei-sen, between pro go players and computer software took place at UEC, in Chofu, Tokyo,

Re: [Computer-go] Scoring a go board.

2013-02-11 Thread Darren Cook
to choose between mostly inaccurate, mostly inapplicable and mostly intractable :-) Darren -- Darren Cook, Software Researcher/Developer http://dcook.org/work/ (About me and my work) http://dcook.org/blogs.html (My blogs and articles) ___ Computer-go

Re: [Computer-go] global-pro-move-matching (was Recursive Neural Networks)

2013-01-23 Thread Darren Cook
E.g., they report that the top-ranked move from their neural net has a 10% chance of matching a pro move on a 19x19 board And if you use a large-scale pattern approach (e.g., Remi's work), then you can predict over 40% and maybe up to 50% of pro moves. This is a poor measure of strength

Re: [Computer-go] Zen resignation positions

2012-12-10 Thread Darren Cook
: spend less time on normal distributions, more time when the distribution is messy. (But I wonder if more time will just make the two peaks stand out more?) Darren -- Darren Cook, Software Researcher/Developer http://dcook.org/work/ (About me and my work) http://dcook.org/blogs.html (My blogs

Re: [Computer-go] Practical significance?

2012-11-28 Thread Darren Cook
explained in your paper.) Darren -- Darren Cook, Software Researcher/Developer http://dcook.org/work/ (About me and my work) http://dcook.org/blogs.html (My blogs and articles) ___ Computer-go mailing list Computer-go@dvandva.org http://dvandva.org/cgi

Re: [Computer-go] Practical significance?

2012-11-26 Thread Darren Cook
wins a top title in his life. Good point about the stability of rank. But is a 62:38 ratio enough to claim that kind of difference? If they play 20 title matches a year, over a 20 year career, isn't that enough for them to get the winning streak required to win some titles? Darren -- Darren Cook

Re: [Computer-go] Practical significance?

2012-11-25 Thread Darren Cook
+ wins from 5 games? If over 0.9 I think you can make the case that the strength difference is of practical significance. Or, yes, do it all in ELO ratings, and decide on how many ELO points feels significant. Darren -- Darren Cook, Software Researcher/Developer http://dcook.org/work/ (About me

Re: [Computer-go] 50k-100k patterns

2012-08-09 Thread Darren Cook
affect the result.) Darren -- Darren Cook, Software Researcher/Developer http://dcook.org/work/ (About me and my work) http://dcook.org/blogs.html (My blogs and articles) ___ Computer-go mailing list Computer-go@dvandva.org http://dvandva.org/cgi-bin

Re: [Computer-go] 50k-100k patterns

2012-08-08 Thread Darren Cook
learn new accents: the existence of impressionists. Impressionists like Debussy or like Degas? Or perhaps you mean impersonators? :) Meaning two here! http://www.thefreedictionary.com/Impressionists Darren -- Darren Cook, Software Researcher/Developer http://dcook.org/work/ (About me

Re: [Computer-go] 50k-100k patterns

2012-08-07 Thread Darren Cook
. -- Darren Cook, Software Researcher/Developer http://dcook.org/work/ (About me and my work) http://dcook.org/blogs.html (My blogs and articles) ___ Computer-go mailing list Computer-go@dvandva.org http://dvandva.org/cgi-bin/mailman/listinfo/computer-go

Re: [Computer-go] ADMIN

2012-07-18 Thread Darren Cook
If I go to the email blacklist checker at http://www.mxtoolbox.com/blacklists.aspx/ and enter the list server's IP address (173.203.204.227), it tells me that the list server appears on the SORBS-SPAM and Spamhaus-ZEN blacklists. I think this is likely to cause mail from the list to be

Re: [Computer-go] Kaś Cup

2012-07-12 Thread Darren Cook
-- Darren Cook, Software Researcher/Developer http://dcook.org/work/ (About me and my work) http://dcook.org/blogs.html (My blogs and articles) ___ Computer-go mailing list Computer-go@dvandva.org http://dvandva.org/cgi-bin/mailman/listinfo/computer-go

Re: [Computer-go] Zen hammers again at handicap 4 - wow!

2012-06-13 Thread Darren Cook
seriously and used pretty longer time. Thanks Hideki, That is very useful background information. Maybe next year they can cut his appearance money and instead increase the prize money for the game ;-) Darren -- Darren Cook, Software Researcher/Developer http://dcook.org/work/ (About me and my

Re: [Computer-go] super ko

2012-06-07 Thread Darren Cook
Fascinating answers, thanks everyone. Although a theoretical maximum is nice to ponder upon, in an experiment to safe computationtime, I tested my software for a superko up to cycles of ten. After several tens of thousands of game it came in an infinite loop due to a 12-cycle positional

Re: [Computer-go] super ko

2012-06-06 Thread Darren Cook
a in the current position, just do if (Key1 == ComputeZobristKey(Key4, a)) { // Forbid move a } -- Darren Cook, Software Researcher/Developer http://dcook.org/work/ (About me and my work) http://dcook.org/blogs.html (My blogs and articles

[Computer-go] Open Journals

2012-05-10 Thread Darren Cook
! Hopefully the peer-review will rein in overly verbose or unfocused authors. For the conference organizers: they offer free advertising. Please reply in this thread if you know of any other Open Journals that are on-topic for people reading this list. Thanks, Darren -- Darren Cook, Software

Re: [Computer-go] John got tromped by Zen 1-3

2012-01-16 Thread Darren Cook
-territory.jpg (but, in his defense, Ingo was posting at 5am :-) Darren http://dcook.org/gobet/ -- Darren Cook, Software Researcher/Developer http://dcook.org/work/ (About me and my work) http://dcook.org/blogs.html (My blogs and articles) ___ Computer-go

Re: [Computer-go] John got tromped by Zen 1-3

2012-01-16 Thread Darren Cook
are based on reading other people's analysis, not my own; it is now years since I've had a hope of beating the computers. Darren -- Darren Cook, Software Researcher/Developer http://dcook.org/work/ (About me and my work) http://dcook.org/blogs.html (My blogs and articles

Re: [Computer-go] Game 2 goes to Zen: 1-1

2012-01-15 Thread Darren Cook
52% to white at move 80.) Darren -- Darren Cook, Software Researcher/Developer http://dcook.org/work/ (About me and my work) http://dcook.org/blogs.html (My blogs and articles) ___ Computer-go mailing list Computer-go@dvandva.org http://dvandva.org/cgi

Re: [Computer-go] Game 2 goes to Zen: 1-1

2012-01-15 Thread Darren Cook
hardest to deal with. (To me that implies you have to come out of the fuseki ahead, given MCTS's endgame strength.) Darren -- Darren Cook, Software Researcher/Developer http://dcook.org/work/ (About me and my work) http://dcook.org/blogs.html (My blogs and articles

[Computer-go] Questions About Zen

2012-01-15 Thread Darren Cook
A couple of questions in the game comments yesterday, about Zen, that seemed to go unanswered: 1. Does it have an opening book? Is it hand-made, or a cache of long MCTS analysis, or something in between? 2. Does it think on the opponents time? Darren -- Darren Cook, Software Researcher

[Computer-go] Shogi Man Vs. Machine

2012-01-15 Thread Darren Cook
vs. five machines). I couldn't find it mentioned explicitly but, reading between the lines, Yonenaga sounds weaker than a young 4-dan pro. A bit of discussion is here: http://forum.81squareuniverse.com/viewtopic.php?p=8438#p8438 Darren -- Darren Cook, Software Researcher/Developer http

Re: [Computer-go] CrazyStone in the 5-dan footsteps of Zen

2012-01-15 Thread Darren Cook
Thanks, I found it on the Android Market and purchased my copy. Someone complained that it does not play as well on the Android as it does on a 24 core computer. Is that true? What a disappointment! I laughed out loud when I saw that. But, more seriously, does anyone know how many

Re: [Computer-go] John is Tromp in Game 1

2012-01-14 Thread Darren Cook
. If(MoveIsKoThreat() !KoOnBoard())ChooseSecondBestMove() Or did you fix it by tuning the MCTS algorithms, or something like that? Darren -- Darren Cook, Software Researcher/Developer http://dcook.org/work/ (About me and my work) http://dcook.org/blogs.html (My blogs and articles

Re: [Computer-go] Announce: GoBet II

2012-01-12 Thread Darren Cook
: http://dcook.org/gobet/ and created another poll (5 options this time - see if you can guess not just the winner but the final score). Darren -- Darren Cook, Software Researcher/Developer http://dcook.org/work/ (About me and my work) http://dcook.org/blogs.html (My blogs and articles

Re: [Computer-go] zen19n

2012-01-12 Thread Darren Cook
in strength. -- Darren Cook, Software Researcher/Developer http://dcook.org/work/ (About me and my work) http://dcook.org/blogs.html (My blogs and articles) ___ Computer-go mailing list Computer-go@dvandva.org http://dvandva.org/cgi-bin/mailman

Re: [Computer-go] Announce: GoBet II

2012-01-11 Thread Darren Cook
: John claims not to be worried about starting the match on Friday The Thirteenth, as he was born on one! Darren -- Darren Cook, Software Researcher/Developer http://dcook.org/work/ (About me and my work) http://dcook.org/blogs.html (My blogs and articles

[Computer-go] Announce: GoBet II

2012-01-10 Thread Darren Cook
is the publicity :-) -- Darren Cook, Software Researcher/Developer http://dcook.org/work/ (About me and my work) http://dcook.org/blogs.html (My blogs and articles) ___ Computer-go mailing list Computer-go@dvandva.org http://dvandva.org/cgi-bin/mailman/listinfo

Re: [Computer-go] Elastic Cloud

2011-12-07 Thread Darren Cook
thing is everyone could set up 10 small instances and all rounds could be played simultaneously :-) Downsides are that that is not much CPU, so level of play is going to be low. Darren [1] http://aws.amazon.com/ec2/#instance -- Darren Cook, Software Researcher/Developer http://dcook.org/work

Re: [Computer-go] Congratulations to pachi2!

2011-08-14 Thread Darren Cook
for the sponsor supplying the hardware is also welcome.) Darren *: I.e. actual playouts/second/core compared to pachi running on just one of the cores. -- Darren Cook, Software Researcher/Developer http://dcook.org/work/ (About me and my work) http://dcook.org/blogs.html (My blogs and articles

Re: [Computer-go] EGC computer-go tournament 9x9

2011-08-01 Thread Darren Cook
(in Japanese rules) favours black. But I agree that perfect komi is likely to turn out to be 7pt. Magnus, do you have an opening line for 5.5pt komi that you think is a certain black win? -- Darren Cook, Software Researcher/Developer http://dcook.org/work/ (About me and my work) http://dcook.org

Re: [Computer-go] Thoughts about bugs and scalability

2011-06-24 Thread Darren Cook
Selection Rule better than majority voting system by Takuya Sugiyama, Takuya Obata, Kunihito Hoki and Takeshi Ito. (Unfortunately I couldn't find a free download online.) Darren -- Darren Cook, Software Researcher/Developer http://dcook.org/work/ (About me and my work) http://dcook.org/blogs.html

[Computer-go] OT: LG 9x9 tournament (was: Thoughts about bugs and scalability)

2011-06-23 Thread Darren Cook
is still in limbo. Sadly I don't think that situation will change this year. -- Darren Cook, Software Researcher/Developer http://dcook.org/work/ (About me and my work) http://dcook.org/blogs.html (My blogs and articles) ___ Computer-go mailing list

Re: [Computer-go] Thoughts about bugs and scalability

2011-06-23 Thread Darren Cook
in the minimax tree as I give each program a few minutes of CPU time for every move.) Darren -- Darren Cook, Software Researcher/Developer http://dcook.org/work/ (About me and my work) http://dcook.org/blogs.html (My blogs and articles) ___ Computer-go

[Computer-go] OT: rental computer power

2011-06-21 Thread Darren Cook
]: This drops to $320-330/month with a 1 year reserved instance (the $1820 up front payment, divided by 12, plus $175/month). Data transfer in/out would be another $25/month (based on 100GB in and out). -- Darren Cook, Software Researcher/Developer http://dcook.org/work/ (About me and my work) http

Re: [Computer-go] scalability study

2011-06-19 Thread Darren Cook
agree that scaling won't get you much further, hunt for some really great problem positions. In the blue corner, those who disagree, scrounge even more CPU power to see if just one more doubling will give a breakthrough. -- Darren Cook, Software Researcher/Developer http://dcook.org/work

Re: [Computer-go] another Shodan Challenge?

2011-06-14 Thread Darren Cook
programmers won't be enough, but I should think 100+ non-anonymous go players would be. The other great way to encourage new features would be for Nick Wedd to require it for just one of his tournaments. ...but KGS first need to support it, and you are back to your petition :-) -- Darren Cook, Software

[Computer-go] Solving semeai

2011-06-03 Thread Darren Cook
amount of complex semeai where this knowledge only have an effect deep down in the playouts. Some algorithm of online learning of good tactics seems to be necessary. Darren -- Darren Cook, Software Researcher/Developer http://dcook.org/work/ (About me and my work) http://dcook.org/blogs.html

Re: [Computer-go] CrazyStone Western version

2011-05-30 Thread Darren Cook
it be set to use just a certain number of threads? A commandline GTP interface is my other wishlist item, but I do realize that one is just wishful thinking in a commercial product :-) Darren -- Darren Cook, Software Researcher/Developer http://dcook.org/work/ (About me and my work) http

Re: [Computer-go] Direct DX11 and graphics cards for cheaper simulation hardware?

2011-05-25 Thread Darren Cook
(if that is what you have done) is amazing. Darren -- Darren Cook, Software Researcher/Developer http://dcook.org/work/ (About me and my work) http://dcook.org/blogs.html (My blogs and articles) ___ Computer-go mailing list Computer-go@dvandva.org http

Re: [Computer-go] Bugs

2011-05-25 Thread Darren Cook
one big tree search. ;-) Darren -- Darren Cook, Software Researcher/Developer http://dcook.org/work/ (About me and my work) http://dcook.org/blogs.html (My blogs and articles) ___ Computer-go mailing list Computer-go@dvandva.org http://dvandva.org/cgi

Re: [Computer-go] New Go Protocol for the web

2011-05-16 Thread Darren Cook
then all the script has to do is know which commands need a list of space-separated coords converted into a json array, etc. Darren -- Darren Cook, Software Researcher/Developer http://dcook.org/work/ (About me and my work) http://dcook.org/blogs.html (My blogs and articles

Re: [Computer-go] issues on 19x19

2011-04-29 Thread Darren Cook
to know how different the two programs are. Bonobot seems to be running on KGS on some fast hardware; is Erica also that strong when running on similar hardware? Darren -- Darren Cook, Software Researcher/Developer http://dcook.org/work/ (About me and my work) http://dcook.org/blogs.html (My blogs

Re: [Computer-go] issues on 19x19

2011-04-28 Thread Darren Cook
. -- Darren Cook, Software Researcher/Developer http://dcook.org/work/ (About me and my work) http://dcook.org/blogs.html (My blogs and articles) ___ Computer-go mailing list Computer-go@dvandva.org http://dvandva.org/cgi-bin/mailman/listinfo/computer-go

Re: [Computer-go] Semeai and ko

2011-04-26 Thread Darren Cook
Counting Liberties and Winning Capture Races [by Richard Hunter] gives some basics. It's definitely not comprehensive, but it might be a good start. It does have 40 pages on semeai and ko. It also deals with the exceptions to the save the ko until last proverb. If interested in the subject

Re: [Computer-go] Pachi Mailing List

2011-04-17 Thread Darren Cook
;-) Darren [1]: https://lists.sourceforge.net/lists/listinfo/fuego-devel [2]: http://www.gnu.org/software/gnugo/mailing_lists.html -- Darren Cook, Software Researcher/Developer http://dcook.org/work/ (About me and my work) http://dcook.org/blogs.html (My blogs and articles

Re: [Computer-go] Congratulations to Zen!

2011-04-04 Thread Darren Cook
is quite possible. Little Golem still uses 5.5pt komi, and the results among top players shows only a very slight lead for black. -- Darren Cook, Software Researcher/Developer http://dcook.org/work/ (About me and my work) http://dcook.org/blogs.html (My blogs and articles

Re: [Computer-go] IEEE Special Issue on MCTS and Computer Go

2011-03-22 Thread Darren Cook
): 303 - 309 :-) Petr Pasky Baudis ___ Computer-go mailing list Computer-go@dvandva.org http://dvandva.org/cgi-bin/mailman/listinfo/computer-go -- Darren Cook, Software Researcher/Developer http://dcook.org

Re: [Computer-go] Congratulations to Zen!

2011-02-09 Thread Darren Cook
this on a best effort, no guarantees basis. Just thought I'd bring this up here, to give others a chance to disagree and say if Nick needs to be more hands-off for his tournaments. Darren -- Darren Cook, Software Researcher/Developer http://dcook.org/work/ (About me and my work) http://dcook.org

Re: [Computer-go] Shodan Go Bet: Amazon EC2

2011-01-28 Thread Darren Cook
hardware. Or, for an offline analysis program that runs less than a calendar month, also consider EC2 spot instances. They appear to be about 1/2 to 1/4 the cost of a normal EC2 instance. Darren -- Darren Cook, Software Researcher/Developer http://dcook.org/work/ (About me and my work) http

Re: [Computer-go] Are 4 'easy to avoid errors' common to all MC programs?

2011-01-23 Thread Darren Cook
On Fri, Jan 21, 2011 at 08:31:04PM +0900, Darren Cook wrote: Dynamic komi. (E.g. if it thinks it has only 30% chance of winning at 7.5pt komi, but if you reduce the komi to 5.5pts it thinks it has a 55% chance of winning, then reduce the komi to 5.5pts: it will play an intelligent looking

Re: [Computer-go] Are 4 'easy to avoid errors' common to all MC programs?

2011-01-21 Thread Darren Cook
1when behind (even slightly), Fuego appears to collapse and play rubbish, in my experience this is most easily perceived in the late/middle game. Dynamic komi. (E.g. if it thinks it has only 30% chance of winning at 7.5pt komi, but if you reduce the komi to 5.5pts it thinks it has a 55%

Re: [Computer-go] semeai example of winning rate

2011-01-19 Thread Darren Cook
The risk to scalability is that we will bias the search by focusing on variations that a blitz program cannot discover, but a massively scalable system could. It seems to me that improvements in playout policy would apply to any time control. But perhaps in-tree heuristics should be

Re: [Computer-go] Orego 7.08 released

2011-01-11 Thread Darren Cook
http://dvandva.org/cgi-bin/mailman/listinfo/computer-go -- Darren Cook, Software Researcher/Developer http://dcook.org/work/ (About me and my work) http://dcook.org/blogs.html (My blogs and articles) ___ Computer-go mailing list Computer-go

Re: [Computer-go] News on Tromp-Cook ?

2011-01-02 Thread Darren Cook
In your survey, the spread for a super-human program, from those that correctly predicted 2010 for shodan, is from 2023 to 2150. So even between the best predictors sofar, there was huge disagreement when it comes topling humanity ... I guess current knowledge of the effectiveness and

Re: [Computer-go] News on Tromp-Cook ?

2010-12-29 Thread Darren Cook
in strength, but nothing amazing. Darren -- Darren Cook, Software Researcher/Developer http://dcook.org/gobet/ (Shodan Go Bet - happening now!) http://dcook.org/work/ (About me and my work) http://dcook.org/blogs.html (My blogs and articles

Re: [Computer-go] News on Tromp-Cook ?

2010-12-29 Thread Darren Cook
was to: a) be patient and wait for it to screw up; b) don't make weak groups, as the computer is good at attacking them. Darren *: I'll write up my notes on using Amazon EC2 in a few days. If you're actually interested, please do nag me. -- Darren Cook, Software Researcher/Developer http

Re: [Computer-go] News on Tromp-Cook ?

2010-12-28 Thread Darren Cook
try and write reports each day. Darren -- Darren Cook, Software Researcher/Developer http://dcook.org/gobet/ (Shodan Go Bet - happening now!) http://dcook.org/work/ (About me and my work) http://dcook.org/blogs.html (My blogs and articles

Re: [Computer-go] News on Tromp-Cook ?

2010-12-28 Thread Darren Cook
It seems first game today is at 2:30pm (GMT), not 10am... We might start earlier now... I'll try and post just before the game starts, for anyone wanting to follow the games from the start. Darren ___ Computer-go mailing list Computer-go@dvandva.org

Re: [Computer-go] News on Tromp-Cook ?

2010-12-28 Thread Darren Cook
It seems first game today is at 2:30pm (GMT), not 10am. Starting at 12:10pm-ish. We had a short time-limit test match, and decided to do away with byo-yomi (too hard to keep match clock in sync with the computer clock) so we've increased main clock to 110m each, sudden death. Second game today

[Computer-go] kgs-time_settings

2010-12-26 Thread Darren Cook
-- Darren Cook, Software Researcher/Developer http://dcook.org/gobet/ (Shodan Go Bet - who will win?) http://dcook.org/work/ (About me and my work) http://dcook.org/blogs.html (My blogs and articles) ___ Computer-go mailing list Computer-go@dvandva.org

Re: [Computer-go] News on Tromp-Cook ?

2010-12-23 Thread Darren Cook
Will the games be transmitted on KGS? That is the plan, assuming we have a spare computer for it. Games will be run on my notebook, at least for the first two games. Assuming my email works okay, I'll try and write reports each day. Darren -- Darren Cook, Software Researcher/Developer http

Re: [Computer-go] gogui vs. debug prints

2010-12-22 Thread Darren Cook
, I often see a move has been chosen and have to scroll through the debug comments to discover just what the final P.V. was. -- Darren Cook, Software Researcher/Developer http://dcook.org/gobet/ (Shodan Go Bet - who will win?) http://dcook.org/work/ (About me and my work) http://dcook.org

Re: [Computer-go] OT: prices for fast computer-go hardware

2010-11-07 Thread Darren Cook
sells this unit! http://www.cpubenchmark.net/high_end_cpus.html -- Darren Cook, Software Researcher/Developer http://dcook.org/gobet/ (Shodan Go Bet - who will win?) http://dcook.org/work/ (About me and my work) http://dcook.org/blogs.html (My blogs and articles

[Computer-go] OT: prices for fast computer-go hardware

2010-11-06 Thread Darren Cook
://www.directron.com/998770.html [4]: http://www.directron.com/bx80614x5680.html [5]: http://www.directron.com/bx80614x5650.html [6]: http://www.directron.com/mbdh8qm32o.html [7]: http://www.directron.com/opteronhexa.html -- Darren Cook, Software Researcher/Developer http://dcook.org/gobet/ (Shodan Go Bet

Re: [Computer-go] OT: prices for fast computer-go hardware

2010-11-06 Thread Darren Cook
that motherboard is for the 8000 series opterons, not the 2000 series ones you quote. The cheapest 8000 series is $1610 each. Thanks for the correction David. Poking around some more I found the G34 AMD CPUs, with 8 or 12 cores on a single CPU. $420 for a dual-CPU motherboard [1]. Cheapest

[Computer-go] Many Faces vs. Tromp

2010-11-02 Thread Darren Cook
/graphPage.jsp?user=ManyFaces1 -- Darren Cook, Software Researcher/Developer http://dcook.org/gobet/ (Shodan Go Bet - who will win?) http://dcook.org/work/ (About me and my work) http://dcook.org/blogs.html (My blogs and articles) ___ Computer-go mailing list

Re: [Computer-go] Monte-Carlo Tree Search in other games

2010-10-28 Thread Darren Cook
The latter was presented at CG2010, and the abstract mentions improving the MCTS solver when a game has more than two outcomes, though from memory the presentation itself didn't mention draws much. Darren -- Darren Cook, Software Researcher/Developer http://dcook.org/gobet/ (Shodan Go Bet - who

[Computer-go] Team Play (was: Shogi-News...)

2010-10-28 Thread Darren Cook
best female shogi player lost against a computer. http://mdn.mainichi.jp/mdnnews/news/20101012p2a00m0na012000c.html The computer consisted of 3 or 4 different programs, teamed up in some way. Maybe, Darren Cook can get ideas from this for his bot-team which has to play against John Tromp

Re: [Computer-go] Some subjective improvements to GoGui.

2010-10-24 Thread Darren Cook
___ Computer-go mailing list Computer-go@dvandva.org http://dvandva.org/cgi-bin/mailman/listinfo/computer-go -- Darren Cook, Software Researcher/Developer http://dcook.org/gobet/ (Shodan Go Bet - who will win?) http://dcook.org/work/ (About me and my work) http

[Computer-go] 9x9 experimental data

2010-10-21 Thread Darren Cook
will already be useful. Darren -- Darren Cook, Software Researcher/Developer http://dcook.org/gobet/ (Shodan Go Bet - who will win?) http://dcook.org/work/ (About me and my work) http://dcook.org/blogs.html (My blogs and articles) ___ Computer-go

Re: [Computer-go] mogo issues

2010-10-06 Thread Darren Cook
Mogo GTP support is it outputs the showboard command response to stderr, not stdout! Darren -- Darren Cook, Software Researcher/Developer http://dcook.org/gobet/ (Shodan Go Bet - who will win?) http://dcook.org/work/ (About me and my work) http://dcook.org/blogs.html (My blogs and articles

Re: [Computer-go] Exhibition match

2010-10-03 Thread Darren Cook
games. -- Darren Cook, Software Researcher/Developer http://dcook.org/gobet/ (Shodan Go Bet - who will win?) http://dcook.org/work/ (About me and my work) http://dcook.org/blogs.html (My blogs and articles) ___ Computer-go mailing list Computer-go

Re: [Computer-go] ICGA 19x19

2010-10-01 Thread Darren Cook
, is the intransitivity simple coincidence, or due to some difference in the strengths/weaknesses of the three programs? Darren -- Darren Cook, Software Researcher/Developer http://dcook.org/gobet/ (Shodan Go Bet - who will win?) http://dcook.org/work/ (About me and my work) http://dcook.org/blogs.html (My

[Computer-go] CG 2010 papers (was 9x9 news)

2010-09-28 Thread Darren Cook
author is allowed to put their own paper on their website. The one I mentioned is already on Tristan's web site here: http://www.lamsade.dauphine.fr/~cazenave/papers/mcsolver.pdf (I'll get my own paper up real soon...) Darren -- Darren Cook, Software Researcher/Developer http://dcook.org/gobet

Re: [Computer-go] 9x9 news

2010-09-27 Thread Darren Cook
leading the tournament or playing someone stronger than them. Darren -- Darren Cook, Software Researcher/Developer http://dcook.org/gobet/ (Shodan Go Bet - who will win?) http://dcook.org/work/ (About me and my work) http://dcook.org/blogs.html (My blogs and articles

Re: [Computer-go] 9x9 news

2010-09-26 Thread Darren Cook
) were as white, not as black (*); then they won as black against the same opponent. I'm looking forward to studying those game records in particular. Darren *: For most of the other strong programs the losses were as black, so the 7.5pt komi is too high hypothesis still stands. -- Darren Cook

Re: [Computer-go] Speculatively pondering

2010-09-15 Thread Darren Cook
board sizes and is a feature of the game. -- Darren Cook, Software Researcher/Developer http://dcook.org/gobet/ (Shodan Go Bet - who will win?) http://dcook.org/work/ (About me and my work) http://dcook.org/blogs.html (My blogs and articles

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