Re: [Computer-go] LZ-1a198f-t1-v2600 on CGOS

2018-03-05 Thread Andy
anything about these but they appear to be recent 10x128 nets, and they use a good amount of time to play so probably don't have a playout/visit cap. I guess I'll wait awhile to see if more LZ bots appear before running any new 10x128 nets myself. - Andy aka KillerDucky 2018-0

[Computer-go] LZ-1a198f-t1-v2600 on CGOS

2018-03-04 Thread Andy
ponder, and use -t2 which seems close to optimal on my machine). I have a GTX960, when I run this test I'll post some information on how many playouts it gets in the games. - Andy aka KillerDucky ___ Computer-go mailing list Computer-go@computer-go

Re: [Computer-go] Crazy Stone is back

2018-02-28 Thread Andy
Rémi, can you share any details about how you are training your network? Are you doing self-play games? Do you have access to a large number of GPUs? 2018-02-28 13:04 GMT-06:00 David Wu : > It's not even just liberties and semeai, it's also eyes. Consider for > example a large dragon that has

[Computer-go] L011 bots on CGOS are configured wrong

2018-01-02 Thread Andy
Hoping to contact whoever is running these bots. https://www.reddit.com/r/cbaduk/comments/7nacja/l011_bots_on_cgos_are_configured_wrong/ Copy/paste of my post on reddit: Who is running the L011 bots on CGOS? I'm assuming they are Leela v0.11. They are not configured to remove all dead stones fro

[Computer-go] AGZ Policy Head

2017-12-28 Thread Andy
Is there some particular reason AGZ uses two 1x1 filters for the policy head instead of one? They could also have allowed more, but I guess that would be expensive? I calculate that the fully connected layer has 2*361*362 weights, where 2 is the number of filters. By comparison the value head has

Re: [Computer-go] mcts and tactics

2017-12-19 Thread Andy
How do you interpret this quote from the AGZ paper? "Surprisingly, shicho (“ladder” capture sequences that may span the whole board) – one of the first elements of Go knowledge learned by humans – were only understood by AlphaGo Zero much later in training." To me "understood" means the neural net

Re: [Computer-go] Mastering Chess and Shogi by Self-Play with a General Reinforcement Learning Algorithm

2017-12-19 Thread Andy
Google has already announced their next step -- Starcraft2. But so far the results they published aren't mind blowing like these. 2017-12-19 9:15 GMT-06:00 Fidel Santiago : > Hello, > > I was thinking about this development and what it may mean from the point > of view of a more general AI. I da

[Computer-go] kgs-chat command not working

2017-12-10 Thread Andy
I'm trying to implement the kgs-chat command but I'm getting a crash in kgsGtp-3.5.22. Everything works fine and I can chat with the bot. But when a match starts that's when it crashes. Here is my gtp log. Any ideas? Or can someone paste me an example log that works or point me to example code? na

Re: [Computer-go] action-value Q for unexpanded nodes

2017-12-06 Thread Andy
Thanks for letting us know the situation Aja. It must be hard for an engineer to not be able to discuss the details of his work! As for the first-play-urgency value, if we indulge in some reading between the lines: It's possible to interpret the paper as saying first-play-urgency is zero. After re

Re: [Computer-go] action-value Q for unexpanded nodes

2017-12-03 Thread Andy
output of the network, and over time it converges to using primarily > the moves that have best results. So the details of how Q is initialized > are not very relevant. > > > On Sun, Dec 3, 2017 at 5:11 PM, Andy wrote: > >> Álvaro, you are quoting from "Expand and eval

Re: [Computer-go] action-value Q for unexpanded nodes

2017-12-03 Thread Andy
a big impact, but I am changing other variables at the same time. - Andy 2017-12-03 14:30 GMT-06:00 Álvaro Begué : > The text in the appendix has the answer, in a paragraph titled "Expand and > evaluate (Fig. 2b)": > "[...] The leaf node is expanded and and each edge

Re: [Computer-go] action-value Q for unexpanded nodes

2017-12-03 Thread Andy
nding of the paper, please point to the > specific paragraph that you are having trouble with. > > Álvaro. > > > > On Sun, Dec 3, 2017 at 9:53 AM, Andy wrote: > >> I don't see the AGZ paper explain what the mean action-value Q(s,a) >> should be for a node that ha

[Computer-go] action-value Q for unexpanded nodes

2017-12-03 Thread Andy
I don't see the AGZ paper explain what the mean action-value Q(s,a) should be for a node that hasn't been expanded yet. The equation for Q(s,a) has the term 1/N(s,a) in it because it's supposed to average over N(s,a) visits. But in this case N(s,a)=0 so that won't work. Does anyone know how this i

Re: [Computer-go] Significance of resignation in AGZ

2017-12-01 Thread Andy
Brian, do you have any experiments showing what kind of impact it has? It sounds like you have tried both with and without your ad hoc first pass approach? 2017-12-01 15:29 GMT-06:00 Brian Sheppard via Computer-go < computer-go@computer-go.org>: > I have concluded that AGZ's policy of resignin

Re: [Computer-go] Is MCTS needed?

2017-11-16 Thread Andy
Matthew Lai's paper "Giraffe: Using Deep Reinforcement Learning to Play Chess" has a chapter called "Probabilistic Search". That should be directly applicable? https://arxiv.org/abs/1509.01549 - Andy 2017-11-16 9:43 GMT-06:00 Petr Baudis : > Hi, > >

Re: [Computer-go] AlphaGo Zero

2017-10-26 Thread Andy
I agree with your main point that the first batch of games will be totally random moves. I just wanted to make a small point that even for totally random play, the network should be able to learn something about mid-game positions as well. At move 100, a position with 50 white stones and 40 black s

Re: [Computer-go] Source code (Was: Reducing network size? (Was: AlphaGo Zero))

2017-10-24 Thread Andy
Gian-Carlo, I didn't realize at first that you were planning to create a crowd-sourced project. I hope this project can get off the ground and running! I'll look into installing this but I always find it hard to get all the tool chain stuff going. 2017-10-24 15:02 GMT-05:00 Gian-Carlo Pascutto

Re: [Computer-go] it's alphago

2017-01-06 Thread Andy
What is Ray? Strongest open source bot? Anyone have a link to it? On Fri, Jan 6, 2017 at 3:39 AM, Hiroshi Yamashita wrote: > If value net is the most important part for over pro level, the problem is > making strong selfplay games. > > 1. make 30 million selfplay games. > 2. make value net. > 3.

Re: [Computer-go] DCNN can solve semeai?

2016-02-02 Thread Andy
The Deepmind paper has a short section on the Rollout Policy they use, it looks like they made some improvements on for their rollouts, maybe they are better at handling semeai than previous methods. The response and non-response patterns sound similar, but they also include liberty counts. I don't

Re: [Computer-go] Facebook Go AI

2015-11-23 Thread Andy
As of about an hour ago darkforest and darkfores1 have started playing rated games on KGS! 2015-11-23 11:28 GMT-06:00 Andy : > So the KGS bots darkforest and darkfores1 play with only DCNN, no MCTS > search added? I wish they would put darkfores2 with MCTS on KGS, why not > put your

Re: [Computer-go] Facebook Go AI

2015-11-23 Thread Andy
So the KGS bots darkforest and darkfores1 play with only DCNN, no MCTS search added? I wish they would put darkfores2 with MCTS on KGS, why not put your strongest bot out there? 2015-11-23 10:38 GMT-06:00 Petr Baudis : > The numbers look pretty impressive! So this DNN is as strong as > a full-

Re: [Computer-go] Building A Computer Go AI

2015-08-21 Thread Andy
Here is a simple working implementation. https://github.com/pasky/michi >From the beginning of the readme: Michi --- Minimalistic Go MCTS Engine Michi aims to be a minimalistic but full-fledged Computer Go program based on state-of-art methods (Monte Carlo Tree Search) and written in Python. Our

Re: [computer-go] Big trees

2009-07-10 Thread Andy
Put it on cgos and see how good it is! On Fri, Jul 10, 2009 at 9:10 PM, Michael Williams < michaelwilliam...@gmail.com> wrote: > Now that I have this system of generating really big game trees, what sort > of interesting things could I do with it? The exact number of nodes I can > store is not e

[computer-go] Extra komi for Handicap stone compensation on KGS

2009-03-27 Thread Andy
FYI, here is a link and the relevant quotes for the way KGS gives white extra komi based on handicap stones in some rules. http://www.gokgs.com/help/rulesets.html Chinese - "The white player is given one point extra komi for every handicap stone that Black gets at the start of the game." AGA - "

Re: [computer-go] The Zen program

2009-03-27 Thread Andy
Yamato, It looks like Zen19 doesn't implement handicap stone komi compensation the same way kgs does for Chinese rules. It's the only reason I can think that it lost this game: http://files.gokgs.com/games/2009/3/27/TaPaHka-Zen19.sgf - Andy, aka yoyoma On Thu, Mar 26, 2009 at 5:54

Re: [computer-go] Congratulations to David Fotland and Many Faces

2009-02-17 Thread Andy
On Mon, Feb 16, 2009 at 7:45 PM, Andy wrote: > See attached a copy of the .sgf. It was played private on KGS so you > can't get it there directly. One of the admins cloned it and I saved > it off locally. > > I changed the result to be B+4.5 instead of W+2.5. I forgot to m

Re: [computer-go] Congratulations to David Fotland and Many Faces

2009-02-16 Thread Andy
See attached a copy of the .sgf. It was played private on KGS so you can't get it there directly. One of the admins cloned it and I saved it off locally. I changed the result to be B+4.5 instead of W+2.5. On Sat, Feb 14, 2009 at 2:18 PM, Bob Hearn wrote: > Many Faces won its match today again

Re: [computer-go] Re: Opportunity to promote ...

2008-11-19 Thread Andy
On Wed, Nov 19, 2008 at 12:24 PM, Christoph Birk <[EMAIL PROTECTED]> wrote: > On Wed, 19 Nov 2008, [EMAIL PROTECTED] wrote: > >> I think that would not be enough, because that would only fix one point. >> > > You can use the width too. That should give a pretty good comparision > for moderatly str

[computer-go] Time controls in bots vs human matches

2008-09-04 Thread Andy
, and accommodating this doesn't seem like a big deal. Even on CGOS there is a 1s Bronstein delay to prevent silly time loses due to lag. We need the same thing for humans except that for humans it needs to be a bit more than 1s. Same thing for bots on KG

Re: [computer-go] Kaori-Crazystone

2008-09-04 Thread Andy
On Thu, Sep 4, 2008 at 11:09 AM, Rémi Coulom <[EMAIL PROTECTED]>wrote: > Andy wrote: > >> I'm excited to see a computer reach 1d as well. For me I'm waiting to see >> a bot hold a 1d rating consistently on kgs. Right now CrazyStone has been >> rated 1d b

Re: [computer-go] Kaori-Crazystone

2008-09-04 Thread Andy
I'm excited to see a computer reach 1d as well. For me I'm waiting to see a bot hold a 1d rating consistently on kgs. Right now CrazyStone has been rated 1d briefly, but hasn't been able to maintain it. It's currently 1k. I put a small table of the progress of a few bot's ratings on kgs at http

Re: [computer-go] yet a mogo vs human game

2008-08-27 Thread Andy
On Wed, Aug 27, 2008 at 5:45 PM, Rémi Coulom <[EMAIL PROTECTED]>wrote: > Don Dailey wrote: > >> >> Yes, I believe it does generalize on average. >> This data matches my 13x13 study pretty closely, about 62% give or take >> for each doubling. That is about 90 ELO or so. I have heard that >>

Re: [computer-go] Re: Strength of Monte-Carlo w/ UCT...

2008-08-10 Thread Andy
On Sun, Aug 10, 2008 at 3:46 PM, Robert Waite <[EMAIL PROTECTED]>wrote: > Okay.. so where is the paper that correlates the speed at which MCwUCT > approaches perfect play with the ability to play a human? They seem > unrelated as of yet. > The closest I've seen are these two studies Don made: ht

Re: [computer-go] CG'2008 paper: Whole-History Ratings

2008-04-09 Thread Andy
Remi, you mentioned how the other algorithms predicted well and guessed that it's because the great majority of games are between experienced players whose strength is not changing much. I also feel that the existing KGS ratings work well for those players already. So how about focusing on how th

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

2008-02-11 Thread Andy
But the program isn't stronger than pros, so how can it give better information about proper komi? On Feb 11, 2008 6:09 PM, Christoph Birk <[EMAIL PROTECTED]> wrote: > On Mon, 11 Feb 2008, Don Dailey wrote: > > I don't bet, but if I did, I would bet that it's 7 or 8, and I'm > > fairly certain

[computer-go] Transformation between KGS ratings and Elo

2008-02-01 Thread Andy
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 systems? Also is there an "all times" list for 19x19?

Re: [computer-go] Go rating math information

2008-01-31 Thread Andy
terry mcintyre <[EMAIL PROTECTED]> wrote: > From: Andy <[EMAIL PROTECTED]> > > Sorry, the KGS formula uses a constant k which is different from the > K-factor in Elo. > P(A wins) = 1 / ( 1 + exp(k*(RankB-RankA)) ) > > This would be equivalent to changing the constant 400

Re: [computer-go] Go rating math information

2008-01-31 Thread Andy
ratings decrease, you'll go down instead. Generally for low kyu players, everyone is improving quickly so there is a strong upward drift. It's usually not so bad for the strong kyus or dans since those players don't generally improve very fast. However as I said in this case CS has

Re: [computer-go] Go rating math information

2008-01-31 Thread Andy
letters for equivalent constants. So this varying of k is what accounts for the fact that upsets are more likely for weak kyu players than for dan players. - Andy On Jan 31, 2008 12:37 PM, Don Dailey <[EMAIL PROTECTED]> wrote: > ELO ratings don't have to be absolute, just self consi

Re: [computer-go] Go rating math information

2008-01-31 Thread Andy
CrazyStone hasn't played since the initial spike to 1k in December. The movement of the chart afterwards is "rating drift". On Jan 31, 2008 12:49 PM, Gian-Carlo Pascutto <[EMAIL PROTECTED]> wrote: > Don Dailey wrote: > > > I don't know how David figures 1000 ELO, but I would expect the > > diff

[computer-go] Go rating math information

2008-01-31 Thread Andy
There were some questions about the effective ELO difference of two players 3 ranks apart. Here are some links to information about go rating formulas, and some statistics: http://senseis.xmp.net/?KGSRatingMath http://gemma.ujf.cas.cz/~cieply/GO/gor.html

[computer-go] cgos 9x9 is stuck?

2007-06-30 Thread Andy Olsen
The cgos 9x9 server has had two games (66263 and 66262) stuck with no moves played for about a day now. I've never used cgosview before, but it's working on the 19x19 server no problem. ___ computer-go mailing list computer-go@computer-go.org http://www