Re: Temporal difference learning. Lambda parameter.

2019-12-22 Thread boomslang
Nikolaos Papahristou used TD(lambda) for his Palamedes bot, which plays several Greek backgammon variants.  In "On the Design and Training of Bots to play Backgammon Variants", he writes: "In the Plakoto variant, values of λ>0.6 resulted in divergence, whereas lower values sometimes became un

Re: [Bug-gnubg] Locale 'system' not supported by C library.

2019-03-10 Thread boomslang
ems to work ok nevertheles. kind regards On Saturday, 9 March 2019, 23:43:29 CET, Philippe Michel wrote: On Wed, Mar 06, 2019 at 12:05:36AM +, boomslang wrote: > Since a few weeks I get the error message "Locale 'system' not > supported by C library."

[Bug-gnubg] Locale 'system' not supported by C library.

2019-03-05 Thread boomslang
Hi all, Since a few weeks I get the error message "Locale 'system' not supported by C library." at GNUbg startup. I see a similar message at startup of other GNU software... Anyone knows how to solve this issue? I use Windows 10 64bit (English languange), and GNU Backgammon version 1.06.002-m

Re: [Bug-gnubg] Version 1.06.001 crashes on start up

2018-04-28 Thread boomslang
Hi Philippe, yes this fixed my reported problems. Greetings Sent from BlueMail On Apr 27, 2018, at 18:38, Philippe Michel wrote: On Fri, Apr 27, 2018 at 08:08:15AM +, boomslang wrote: Dear all, The latest version (1.06.001, December 16th, 2017, released for MS Windows

[Bug-gnubg] Version 1.06.001 crashes on start up

2018-04-27 Thread boomslang
Dear all, The latest version (1.06.001, December 16th, 2017, released for MS Windows) crashes on startup when I use resolution 1920x1200 or 1680x1050. If I use 1440x900 or 800x600 all seems fine. I use Win7, i5-4460, Intel(R) HD Graphics 4600. I hope this gives some hints. Thanks for all the

[Bug-gnubg] GNUbg v1.06 crashes on start up

2018-04-26 Thread boomslang
LS, first of all, thanks for all your contributions to GNU Backgammon. It is still my favorite BG program. The latest version (1.06.001, December 16th, 2017, released for MS Windows) crashes on startup when I use resolution 1920x1200 or 1680x1050. If I use 1440x900 or 800x600 all seems fine.

Re: [Bug-gnubg] Error rate of predefined settings?

2014-03-02 Thread boomslang
an expert, so 0.010 noise is more suitable for the 'expert' preset, etc. Bottom line is, GNU backgammon noise levels for the presets are too high, particularly for intermediate/casual player/beginner. On Sunday, 2 March 2014, 20:17, Timothy Y. Chow wrote: On Sun, 2 Mar 2014,

Re: [Bug-gnubg] Error rate of predefined settings?

2014-03-02 Thread boomslang
s are based on a 2005 version of GNU Backgammon. Nets have recently improved. (3) Due to droppers the estimates are prolly 5-10 biased downwards. Gr, boomslang On Friday, 28 February 2014, 17:55, Timothy Y. Chow wrote: In the GNU documentation it says the following about predefined set

Re: [Bug-gnubg] Dice Rolls

2013-08-17 Thread boomslang
ayer. Even on 0-ply it will beat most players, let alone on 2-ply. Furthermore, in an open source project, why would people waste time on code that cheats? ) greetings, boomslang - Original Message - From: JD To: Russ Allbery Cc: bug-gnubg@gnu.org Sent: Saturday, 17 August

Re: [Bug-gnubg] pubeval benchmark

2012-02-03 Thread boomslang
gammons into account, I assume you make moves that maximize "prob(W) + 2 * prob(GW)", so different moves are made. Anyway, it might be senseful to check my PUBEVAL implementation once again. Ciao From: Mark Higgins To: boomslang Cc: "bug-gnubg@

Re: [Bug-gnubg] pubeval benchmark

2012-02-03 Thread boomslang
i have a net that won 67.5% out of 20k matches.  It has 40 hidden units and relatively simple inputs (dummies for 1, 2 and more than 3 stones, and an integer for the excess of 3) note: it doesnt have a notion of gammons yet.  Does this make it less comparable? gr boomslang

Re: [Bug-gnubg] Scripts

2012-01-25 Thread boomslang
The redirection works and plays till completion. Thanks ! From: Michael Petch To: bug-gnubg@gnu.org Sent: Thursday, 26 January 2012, 2:14 Subject: Re: [Bug-gnubg] Scripts On 25/01/2012 6:08 PM, boomslang wrote: > C:\Program Files\gnubg>gnu

Re: [Bug-gnubg] Scripts

2012-01-25 Thread boomslang
Hmmm, when i start the script it still doesn't play on -- it just plays the opening move and then it quits. See log file below... Maybe there's still an option i've forgotten? (BTW, when started from the gui, it plays until the end) My script looks like:      set rng mersenne 1        set aut

Re: [Bug-gnubg] Scripts

2012-01-25 Thread boomslang
ayer GNUbg gnubg     set player You gnubg     new match 21 If i add a line with 'play' after the 'new match' line, it makes one move though, but I would like it to play it until the end. From: Michael Petch To: bug-gnubg@gnu.org; boomslang

Re: [Bug-gnubg] Scripts

2012-01-25 Thread boomslang
e "gnubg wins 4 points and the match. End result 23-17" or something? Is this end result somewhere written in a .sgf file? If so, how and where? Thanks in advance, boomslang * gnubg moves 4/off 2/1 Rolled 15 (+0.000): *    1. Cubeful 0-ply    4/off 2/1    Eq.:  +1.000

[Bug-gnubg] Scripts

2012-01-21 Thread boomslang
Hi, Is it still possible to run scripts in GNUbg?  I looked for gnubg-no-gui.exe but to no avail. Thanks___ Bug-gnubg mailing list Bug-gnubg@gnu.org https://lists.gnu.org/mailman/listinfo/bug-gnubg

Re: [Bug-gnubg] Doubles as opening rolls?

2011-09-18 Thread boomslang
;>      > > That would be for the cube.I think "Opening Rolls" > refers to the dice > > (Opening roll of a game can't be a double with > standard rules) > > > >    > >> On 09

[Bug-gnubg] Doubles as opening rolls?

2011-09-18 Thread boomslang
Hi, Is there a way to get GNUbg accept doubles as opening rolls? Gr boomslang ___ Bug-gnubg mailing list Bug-gnubg@gnu.org https://lists.gnu.org/mailman/listinfo/bug-gnubg

Re: [Bug-gnubg] Editing bug

2011-09-07 Thread boomslang
and B switched, it works ok) gr b --- On Wed, 7/9/11, Michael Petch wrote: > From: Michael Petch > Subject: Re: [Bug-gnubg] Editing bug > To: bug-gnubg@gnu.org > Date: Wednesday, 7 September, 2011, 15:32 > On 07/09/2011 3:45 AM, boomslang > wrote: > > Hi, > > > >

Re: [Bug-gnubg] Editing bug

2011-09-07 Thread boomslang
Hi, I dont think it has anything to do with a region becuase it also happens when you edit a position and choose the dice for the (on my settings) right player instead of the left player. (But not if I switch from the right player to the left player(!)) gr b --- On Wed, 7/9/11, Michael Pet

Re: [Bug-gnubg] 16th Computer Olympiad, Tilburg, the Netherlands : November 18 to November 26, 2011

2011-08-16 Thread boomslang
Hi Frank, What exactly are the requirements to participate? What format will the matches be and how much time does it take approximately? Are there any costs involved? Did anyone from the GNUbg team respond yet? Kind regards, boomslang --- On Mon, 1/8/11, Frank Berger wrote

[Bug-gnubg] Match stats clipboard copy bug (0.90-mingw 20110304)

2011-03-17 Thread boomslang
he names of the players in the dialogue (above the two columns) are missing. I use 0.90-mingw 20110304 on Windows XP. Off topic: I have to admit I do not like the new auto save settings... Thanks boomslang                                       elblitzo             boomslang            Chequer

Re: [Bug-gnubg] Checker movement / sudden drop in overall speed

2010-07-23 Thread boomslang
I have the same problem, but it happens quite rarely. It happens (as far as I know) only after resuming from hybernation, and I think only when I have more than one instance of GNUbg running.  The calibration speed drops to 200(!) evals per second (normally I have around 55000) and stones move

[Bug-gnubg] Bug: pruning problem (solved or not?)

2010-02-10 Thread boomslang
indows XP HE 2002 SP3. Thx in advance --boomslang 1. Cubeful 0-ply5/off 2/1Eq.: +0.929 0.732 0.000 0.000 - 0.268 0.000 0.000 0-ply cubeful prune [expert] 2. Cubeful 0-ply5/off 4/3Eq.: +0.734 ( -0.196) 0.642 0.000 0.000

Re: [Bug-gnubg] GNU's "luck-measure" seriously questionable

2009-09-06 Thread boomslang
ain with unequal settings (e.g. Expert vs Beginner) and you'll see that bad luck can be compensated by skill (and vice versa). --boomslang --- On Sun, 6/9/09, Adi Kadmon wrote: > From: Adi Kadmon > Subject: [Bug-gnubg] GNU's "luck-measure" seriously questionable

[Bug-gnubg] Feature request: Pause-button in roullout dialogue

2009-08-19 Thread boomslang
list. A simple 'pause' button (or even a 'background' button) would be nice. Not sure if it is easy to implement, though. Thx, boomslang ___ Bug-gnubg mailing list Bug-gnubg@gnu.org http://lists.gnu.org/mailman/listinfo/bug-gnubg

Re: [Bug-gnubg] Positions on which 0-ply and 2-ply would disagree

2009-07-17 Thread boomslang
Thanks Zorba and Christian for your replies. I did what Zorba suggested: playing 0ply vs 0ply in a long money session (GNU Backgammon 0.90-mingw 20090518 crashed three times / Win XP Home edition SP 3) and analysing the match on 2ply NO move filter. In total 313 games were played (over 12000 m

[Bug-gnubg] GNUBg ID in exports

2009-07-08 Thread boomslang
ingw 20090518 / HTML Export version 1.213 / Text Export version 1.101) Greetings, boomslang ___ Bug-gnubg mailing list Bug-gnubg@gnu.org http://lists.gnu.org/mailman/listinfo/bug-gnubg

[Bug-gnubg] Positions on which 0-ply and 2-ply would disagree

2009-06-27 Thread boomslang
Hi all, What are typical positions that would give a different 'best move' when analyzed on 2-ply compared to 0-ply? Is there an ultimate example? thx, boomslang ___ Bug-gnubg mailing list Bug-gnubg@gnu.org http://lists.gnu.o

Re: [Bug-gnubg] TD(lambda) training for neural networks -- a question

2009-05-21 Thread boomslang
supervised training, though. Could you give an indication of the number of games it takes to get a good kick start with TD(0), and how big should the database with positions/rollouts be for the supervised training? Thanks again, I appreciate your help. --boomslang > --- On Thu, 21

[Bug-gnubg] TD(lambda) training for neural networks -- a question

2009-05-20 Thread boomslang
know if nabla(w)Y(k) in the formula above is the gradient of Y(k) to the weights of the net at time t (i.e. the current net) or to the weights of the net at time k. I assume the former. Thanks in advance! greetings, boomslang ___ Bug-gnubg

Re: [Bug-gnubg] How strong is the lookahead?

2009-03-30 Thread boomslang
estimate interval expert 2034(2009, 2059) supremo2098(2055, 2142) A difference of about 65 FIBS points (based on 1 pointers). Greetings, boomslang (And yes, even 0ply plays 2000+ level...) --- On Mon, 30

[Bug-gnubg] Bug in the green move indicator

2009-02-08 Thread boomslang
latter should not be highlighted because the 4 was already played. greetings boomslang ___ Bug-gnubg mailing list Bug-gnubg@gnu.org http://lists.gnu.org/mailman/listinfo/bug-gnubg

[Bug-gnubg] BUG: Cannot install "gnubg-0.16-devel-20080319-NOGLADE-setup.exe" correctly.

2008-04-13 Thread boomslang
Hi, I downloaded gnubg-0.16-devel-20080319-NOGLADE-setup.exe (23,437,895 bytes) to my desktop PC and installed it on a memory stick (attached to the desktop PC) to see if it would run on my dual core LAPTOP. That worked fine, so i decided to install the file on my laptop in a folder 'c:\gnubgMT

[Bug-gnubg] Gnubg website

2008-02-06 Thread boomslang
Hi, I just visited www.gnubg.org and I see a message about the German political parties SPD, CDU and CSU. What's going on? -- boomslang __ Sent from Yahoo! Mail - a smarter inbox http://uk.mail.yaho

[Bug-gnubg] Question: Batch Analysis and Player Records

2006-09-04 Thread boomslang
to use them and whether they add the results to the player records or not. (Do I call the scripts from within gnubg-nogui, do I need to install Python or is it already in the GnuBG distribution?) Thanks for your excellent program! boomslang PS: I am on Windows and use the 0.14-mingw v

Re: [Bug-gnubg] Simple playing strengths

2006-04-05 Thread boomslang
500 level. Note that the bots played one pointers only. I do not know how noise for cube decisions would affect its strength. Furthermore, I think its strength is 5-10 points higher than indicated due to droppers/unfinished games. greetings, boomslang ___