Re: [Computer-go] CGOS update

2014-10-05 Thread John Tromp
dear Joshua, If you still have no takers for Mac building, then I'd be happy to help out... I have a 27" iMac with the latest OSX. regards, -John On Sat, Sep 27, 2014 at 11:16 PM, Joshua Shriver wrote: > Just renewed the domain for another 2 years. TY very much donors! > > -Josh > > P.S. Anyo

Re: [Computer-go] Orego rewrite coming soon

2014-04-29 Thread John Tromp
On Tue, Apr 29, 2014 at 2:13 PM, uurtamo . wrote: > ground-up rewrite in C would probably give it a stone. just a guess. ;) But if he were to go down that path, he might as well go with the Go language for to oreGo rewrite... ___ Computer-go mailing lis

Re: [Computer-go] Congratulations to Zen!

2014-04-07 Thread John Tromp
dear Nick, Thanks for the report! You wrote: "Black has no large ko threat, while White has one, at C13" White actually has 3, first at B13, then at B11, then at A9... regards, -John ___ Computer-go mailing list Computer-go@dvandva.org http://dvandva.

Re: [Computer-go] GridMaster Android App

2013-12-26 Thread John Tromp
dear Erik, > The app is called GridMaster, and you can download it from: > > https://play.google.com/store/apps/details?id=nl.tengen.gridmaster > > The GridMaster package includes a lite version of Steenvreter, but I > tried to make it easy to add other engines. If you're looking for > something l

Re: [Computer-go] Zen19qq and Zen19bs on KGS

2013-09-17 Thread John Tromp
On Tue, Sep 17, 2013 at 12:43 PM, mark schreiber wrote: > I see Zen19qq is in the top 100 KGS players and Zen19bs is a KGS 6 dan > since August 2011. Are Zen19qq and Zen19bs versions of computer Go program > Zen? No; if you View Users Information on KGS (under User menu), you'll see that both a

Re: [Computer-go] Sending GTP commands in Python

2013-04-08 Thread John Tromp
> System.out.println("= Evil Tesuji\n\n"); println adds another newline, for a total of 3. > In Python I am trying with: > > sys.stdout.write("= "+self.param.name+"\n\n") only 2 newlines?! -John ___ Computer-go mailing list Computer-go@dvandva.org htt

Re: [Computer-go] Board Sizes

2013-01-07 Thread John Tromp
On Mon, Jan 7, 2013 at 9:23 AM, Don Dailey wrote: > So really then even size boards are perfectly playable.I would assume > that odd sized boards have some characteristic that makes them more > desirable, but it has nothing to do with mirror go. Nothing at all. You can defeat mirror-go just

Re: [Computer-go] Go software on Mac OS X

2012-11-23 Thread John Tromp
On Fri, Nov 23, 2012 at 10:01 AM, Rémi Coulom wrote: > You can use gogui. Or CGoban3 ... -John ___ Computer-go mailing list Computer-go@dvandva.org http://dvandva.org/cgi-bin/mailman/listinfo/computer-go

Re: [Computer-go] super ko

2012-06-06 Thread John Tromp
On Wed, Jun 6, 2012 at 10:11 AM, Don Dailey wrote: > On Wed, Jun 6, 2012 at 7:34 AM, folkert wrote: >> Should a bot understand and handle super ko to be able to play on CGOS? > > No.   You can still play but you will lose if you violate any of the rules. >   A game cannot be reasonably played wit

Re: [Computer-go] java code for Zobrist hashing

2012-02-09 Thread John Tromp
On Thu, Feb 9, 2012 at 8:53 PM, Ray Tayek wrote: >> http://www.cwi.nl/~tromp/java/go/GoGame.java >> has some straightforward Zobrist code. > > can you please explain what the expression 4+color is doing in there? (in > find/set onwer and count score). 4+EMPTY is an empty point that's already been

Re: [Computer-go] java code for Zobrist hashing

2012-02-09 Thread John Tromp
http://www.cwi.nl/~tromp/java/go/GoGame.java has some straightforward Zobrist code. -regards, -John On Thu, Feb 9, 2012 at 5:28 PM, Robert Finking wrote: > Zobrist hashing is very simple - it requires only an array filled with > random data and XOR - not the sort of thing you'd normally bother

Re: [Computer-go] Computer Go and EGC 2012

2012-01-19 Thread John Tromp
On Thu, Jan 19, 2012 at 9:59 AM, "Ingo Althöfer" <3-hirn-ver...@gmx.de> wrote: > What I mean is the following: > The human player (in 19x19) determines how many handicap stones he gives > to the bot (either 2 or 3 or 4 or 5). > > When he selects a difficult task (=giving high handicap) he gets hig

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

2012-01-16 Thread John Tromp
dear Michael, > John, thank you for doing this!  But with all due resepect, you have been > eclipsed and we need a new challenger.  For next year (or whenever) I hope > that person is as reasonable and sane as John has been.  Not everyone is cut > out for the quirks of the man-machine matches. I

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

2012-01-15 Thread John Tromp
> I think he's listeneing.  John, what was your take on that situation?  At > the time and in hindsight. After g2, I was worried about white pushing at g3 in sente. h6 would be met with g6, and I'm down to one eye. After black g3, I thought g6 h6 g7 h7 h4 would let me connect or make another eye o

Re: [Computer-go] Announce: GoBet II

2012-01-12 Thread John Tromp
> John Tromp will perhaps use his account "tromp". I will indeed use my "tromp" account. regards, -John ___ Computer-go mailing list Computer-go@dvandva.org http://dvandva.org/cgi-bin/mailman/listinfo/computer-go

Re: [Computer-go] # of 2x2 games

2011-12-14 Thread John Tromp
dear Robert,Don, On Wed, Dec 14, 2011 at 1:36 PM, Robert Jasiek wrote: > Would chess instead with superko be much more interesting for combinatorics? On Wed, Dec 14, 2011 at 2:28 PM, Don Dailey wrote: > If there were no 50 move rule in chess,  how would that change the > calculation? If we dis

Re: [Computer-go] # of 2x2 games

2011-12-14 Thread John Tromp
dear Peter, > The page at > > http://en.wikipedia.org/wiki/Go_and_mathematics > > gives an astonishing lower bound of 10^(10^48) for the number of Go games. > I'm looking for the corresponding number for Chess, but I'd be shocked if it > was lower than 10^48 (as the original statement asserts). I

Re: [Computer-go] # of 2x2 games

2011-12-14 Thread John Tromp
hmm, gmail decided to send this message while I was still typing it:( > I made that statement about the number of digits exceeding the number > of chess games > in an interview with Peter Shotwell, but I was wrong. > > I went a little overboard in trying to show that the gap in number of > games b

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

2011-08-01 Thread John Tromp
On Mon, Aug 1, 2011 at 2:12 PM, wrote: > Quoting John Tromp : >> The fact that Zen won all its games, both with black and white,  means >> that most, >> if not all competitors are far enough away from perfect play to to >> make komi adjustments >> unnecessar

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

2011-08-01 Thread John Tromp
On Mon, Aug 1, 2011 at 12:35 PM, steve uurtamo wrote: > but they might be most fair. Only when there is ample evidence that the integer komi is in fact the perfect-play "true" komi. I'd say we have such evidence for 7x7, but certainly not for 9x9. The fact that Zen won all its games, both with b

Re: [Computer-go] Go programs for the Android platform

2011-06-27 Thread John Tromp
> Unclear.  Manyfaces on iPhone/iPad uses about 20 MB, since Apple doesn’t > allow apps to use much more.  If android allows more we will use is.  Memory > size quoted in GB is flash size for storing media, and is not used by the > app.  I don't know that you can choose the DRAM size, which is prob

Re: [Computer-go] Beta-testing: feedback to bot owners

2011-01-21 Thread John Tromp
> Go is in principle a drawing game. > Proper komi (in my humble opinion) should result that optimal > (perfect) play leads to a draw. As long as we are no where near perfect play on 9x9, it would be presumptuous to claim to know the perfect komi. Thus, he current fractional komi can also be consi

Re: [Computer-go] Tactical position

2010-09-26 Thread John Tromp
dear Brian, >  1 2 3 4 5 6 7 8 9 > A - - - - X - - - - > B - - X O X - O O - > C - X - O X - O X O > D - X O O X X O X - > E - O - O X O X - X > F - - O X X O X X X > G - - - - X O O O O > H - O - X X X O - - > J - - - - - O O - - > O to play > > It seems that O has to get two eyes in the lower le

Re: [Computer-go] Zen vs Tromp: now 1-1

2010-08-27 Thread John Tromp
hi Don, > I cannot relate so much to go as I am a chess player.   I know that if I > were in his position and I were to play a serious match against some > computer chess opponent (one weak enough that I had a realistic chance of > winning) then my test matches would really be more like "training

Re: [Computer-go] Fwd: AGA rules question

2010-07-19 Thread John Tromp
dear Peter, > Here's one for you tournament directors and rules experts out there. I'm > probably missing something obvious (and will realize it just after I send > out this post), but here goes: > > 5.. > 4#. > 3.#.O## > 2##.O###OO# > 1.###.#.#O# >  ABCDEFGHJK > In the diagram

Re: [Computer-go] Komi and the value of the first move

2010-04-07 Thread John Tromp
>> 2x2 : Draw, both with super ko rule or simple ko. B+1 under area rules and superko. >> 4x4 : Dificult, but I think is a draw with japanese rules B+2 under area rules and superko. >> 6x6 : Probably white can live and black wins but less than 24 points B+4 under area rules and superko. >> Bi