Re: [computer-go] Congratulations to valkyria, and to GNU Go!

2008-01-07 Thread Olivier Teytaud

The event was notable for unjustified resignations.


Seems strange so many bots had resignation trouble.  Looks like beta
code.  Probably in response to the "Please have your bot resign, for
your own good" thread?


For mogo, this is a bug in the parallel version of the pondering.

We do all the tests without
pondering because if gives a more accurate measure of speed-up
(for parallelization), and we had not seen before the tournament that 
"pondering+parallelization=bug" in our code.


Sorry for that.
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Re: [computer-go] Difficult and strong move

2008-01-07 Thread Stuart A. Yeates
I recommend  "Mathematical Go: Chilling Gets the Last Point" by Elwyn
Berlekamp and David Wolfe. The book contains a number of such
positions, as well as an approach that allows to make as many more as
you need.

http://math.berkeley.edu/~berlek/cgt/gobook.html

cheers
stuart

On 08/01/2008, Michael Williams <[EMAIL PROTECTED]> wrote:
> Can anyone point me to a move in a 19x19 game that is commonly seen as
> the best move but hard to find?  I know of the Ear Reddening move, but I
> don't know whether or not that meets my criteria (I'm not a dan player,
> or even close).  Thanks.
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[computer-go] Difficult and strong move

2008-01-07 Thread Michael Williams
Can anyone point me to a move in a 19x19 game that is commonly seen as 
the best move but hard to find?  I know of the Ear Reddening move, but I 
don't know whether or not that meets my criteria (I'm not a dan player, 
or even close).  Thanks.

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Re: [computer-go] Congratulations to valkyria, and to GNU Go!

2008-01-07 Thread Michael Williams

Nick Wedd wrote:
Congratulations to valkyria19, and to GNU, the undefeated winners of 
yesterday's tournament on KGS.


The event was notable for unjustified resignations.  MoGoBot1 resigned 
several games very early; and Fudo9 and scottbot both resigned in won 
positions.  My report is at

http://www.weddslist.com/kgs/past/34/index.html

Nick


Wow, that's ugly (not the report, the results)!

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Re: [computer-go] Is CGOS sending TIME_LEFT?

2008-01-07 Thread Don Dailey
The client does not sent time_left unless time_settings is also
implemented.So your engine must also implement time_settings which
is needed to inform your program of the level it will be playing at.

- Don


Jacques Basaldúa wrote:
> Hi..
>
> My gtp program does not receive any "time_left" commands. I have
> checked that the command is listed without mistakes in list_commands.
> I even tried CGOS 9x9 and I get the same sequence.
>
> Jacques.
>
> --
> This is a 19x19 game start (after the first list_commands) Ignore the
> lines containing GoKnot, that is the communication between the gtp end
> and the gui.
>
>  42.842 |- server -> "boardsize 19\cr\lf"
>  43.152 # -> GoKnot8 [13 00 00 00 00 00 02 00]
>  43.242 # GoKnot -->   4 [ff 00 00 00]
>  43.242 |- gkGTP --> "= "
>  43.242 |- gkGTP --> "\cr\lf\cr\lf"
>
>  43.312 |- server -> "clear_board\cr\lf"
>  43.332 # -> GoKnot8 [13 00 00 00 00 00 02 00]
>  43.443 # GoKnot -->   4 [ff 00 00 00]
>  43.443 |- gkGTP --> "= "
>  43.443 |- gkGTP --> "\cr\lf\cr\lf"
>
>  43.533 |- server -> "komi 7.5\cr\lf"
>  43.563 # -> GoKnot8 [00 00 f0 40 00 00 03 00]
>  43.623 # GoKnot -->   4 [ff 00 00 00]
>  43.623 |- gkGTP --> "= "
>  43.623 |- gkGTP --> "\cr\lf\cr\lf"
>
>  45.836 |- server -> "genmove b\cr\lf"
>  45.896 # -> GoKnot8 [ff ff ff ff 00 00 0c 00]
>  45.976 # GoKnot -->   4 [ff ff 00 00]
>  45.976 # -> GoKnot8 [03 00 00 00 00 00 0e 00]
>  46.036 # GoKnot -->   4 [ff ff 00 00]
>  46.086 # -> GoKnot8 [03 00 00 00 00 00 0e 00]
>  46.126 # GoKnot -->   7 [ff 00 03 00 72 31 36]
>  46.126 |- gkGTP --> "= "
>  46.126 |- gkGTP --> "r16\cr\lf\cr\lf"
>
>  46.968 |- server -> "play w D17\cr\lf"
>  47.018 # -> GoKnot8 [00 00 03 10 00 00 06 00]
>  47.038 # GoKnot -->   4 [ff 00 00 00]
>  47.038 |- gkGTP --> "= "
>  47.038 |- gkGTP --> "\cr\lf\cr\lf"
>
>  47.228 |- server -> "genmove b\cr\lf"
>  47.338 # -> GoKnot8 [ff ff ff ff 00 00 0c 00]
>  47.468 # GoKnot -->   4 [ff ff 00 00]
>  47.468 # -> GoKnot8 [03 00 00 00 00 00 0e 00]
>  47.538 # GoKnot -->   4 [ff ff 00 00]
>  47.589 # -> GoKnot8 [03 00 00 00 00 00 0e 00]
>  47.629 # GoKnot -->   6 [ff 00 02 00 64 34]
>  47.629 |- gkGTP --> "= "
>  47.629 |- gkGTP --> "d4\cr\lf\cr\lf"
>
>  48.620 |- server -> "play w Q3\cr\lf"
>  48.660 # -> GoKnot8 [00 00 0f 02 00 00 06 00]
>  48.740 # GoKnot -->   4 [ff 00 00 00]
>  48.740 |- gkGTP --> "= "
>  48.740 |- gkGTP --> "\cr\lf\cr\lf"
>
> --
> This is a 9x9 game start (after the first list_commands)
>
>  14.331 |- server -> "boardsize 9\cr\lf"
>  14.371 # -> GoKnot8 [09 00 00 00 00 00 02 00]
>  14.471 # GoKnot -->   4 [ff 00 00 00]
>  14.471 |- gkGTP --> "= "
>  14.471 |- gkGTP --> "\cr\lf\cr\lf"
>
>  14.551 |- server -> "clear_board\cr\lf"
>  14.581 # -> GoKnot8 [09 00 00 00 00 00 02 00]
>  14.671 # GoKnot -->   4 [ff 00 00 00]
>  14.671 |- gkGTP --> "= "
>  14.671 |- gkGTP --> "\cr\lf\cr\lf"
>
>  14.751 |- server -> "komi 7.5\cr\lf"
>  14.771 # -> GoKnot8 [00 00 f0 40 00 00 03 00]
>  14.852 # GoKnot -->   4 [ff 00 00 00]
>  14.852 |- gkGTP --> "= "
>  14.852 |- gkGTP --> "\cr\lf\cr\lf"
>
>  20.640 |- server -> "genmove b\cr\lf"
>  20.680 # -> GoKnot8 [ff ff ff ff 00 00 0c 00]
>  20.780 # GoKnot -->   4 [ff ff 00 00]
>  20.780 # -> GoKnot8 [03 00 00 00 00 00 0e 00]
>  20.870 # GoKnot -->   4 [ff ff 00 00]
>  20.920 # -> GoKnot8 [03 00 00 00 00 00 0e 00]
>  20.960 # GoKnot -->   6 [ff 00 02 00 66 36]
>  20.960 |- gkGTP --> "= "
>  20.960 |- gkGTP --> "f6\cr\lf\cr\lf"
>
>  22.843 |- server -> "play w C6\cr\lf"
>  22.883 # -> GoKnot8 [00 00 02 05 00 00 06 00]
>  22.973 # GoKnot -->   4 [ff 00 00 00]
>  22.973 |- gkGTP --> "= "
>  22.973 |- gkGTP --> "\cr\lf\cr\lf"
>
>  23.194 |- server -> "genmove b\cr\lf"
>  23.234 # -> GoKnot8 [ff ff ff ff 00 00 0c 00]
>  23.264 # GoKnot -->   4 [ff ff 00 00]
>  23.264 # -> GoKnot8 [03 00 00 00 00 00 0e 00]
>  23.384 # GoKnot -->   4 [ff ff 00 00]
>  23.524 # -> GoKnot8 [03 00 00 00 00 00 0e 00]
>  24.165 # GoKnot -->   4 [ff ff 00 00]
>  24.215 # -> GoKnot8 [03 00 00 00 00 00 0e 00]
>  24.275 # GoKnot -->   4 [ff ff 00 00]
>  24.325 # -> GoKnot8 [03 00 00 00 00 00 0e 00]
>  24.365 # GoKnot -->   6 [ff 00 02 00 66 34]
>  24.365 |- gkGTP --> "= "
>  24.365 |- gkGTP --> "f4\cr\lf\cr\lf"
>
>  36.563 |- server -> "play w E5\cr\lf"
>  36.583 # -> GoKnot8 [00 00 04 04 00 00 06 00]
>  36.693 # GoKnot -->   4 [ff 00 00 00]
>  36.693 |- gkGTP --> "= "
>  36.693 |- gkGTP --> "\cr\lf\cr\lf"
>
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[computer-go] Is CGOS sending TIME_LEFT?

2008-01-07 Thread Jacques Basaldúa

Hi..

My gtp program does not receive any "time_left" commands. I have checked 
that the command is listed without mistakes in list_commands. I even 
tried CGOS 9x9 and I get the same sequence.


Jacques.

--
This is a 19x19 game start (after the first list_commands) Ignore the 
lines containing GoKnot, that is the communication between the gtp end 
and the gui.


 42.842 |- server -> "boardsize 19\cr\lf"
 43.152 # -> GoKnot8 [13 00 00 00 00 00 02 00]
 43.242 # GoKnot -->   4 [ff 00 00 00]
 43.242 |- gkGTP --> "= "
 43.242 |- gkGTP --> "\cr\lf\cr\lf"

 43.312 |- server -> "clear_board\cr\lf"
 43.332 # -> GoKnot8 [13 00 00 00 00 00 02 00]
 43.443 # GoKnot -->   4 [ff 00 00 00]
 43.443 |- gkGTP --> "= "
 43.443 |- gkGTP --> "\cr\lf\cr\lf"

 43.533 |- server -> "komi 7.5\cr\lf"
 43.563 # -> GoKnot8 [00 00 f0 40 00 00 03 00]
 43.623 # GoKnot -->   4 [ff 00 00 00]
 43.623 |- gkGTP --> "= "
 43.623 |- gkGTP --> "\cr\lf\cr\lf"

 45.836 |- server -> "genmove b\cr\lf"
 45.896 # -> GoKnot8 [ff ff ff ff 00 00 0c 00]
 45.976 # GoKnot -->   4 [ff ff 00 00]
 45.976 # -> GoKnot8 [03 00 00 00 00 00 0e 00]
 46.036 # GoKnot -->   4 [ff ff 00 00]
 46.086 # -> GoKnot8 [03 00 00 00 00 00 0e 00]
 46.126 # GoKnot -->   7 [ff 00 03 00 72 31 36]
 46.126 |- gkGTP --> "= "
 46.126 |- gkGTP --> "r16\cr\lf\cr\lf"

 46.968 |- server -> "play w D17\cr\lf"
 47.018 # -> GoKnot8 [00 00 03 10 00 00 06 00]
 47.038 # GoKnot -->   4 [ff 00 00 00]
 47.038 |- gkGTP --> "= "
 47.038 |- gkGTP --> "\cr\lf\cr\lf"

 47.228 |- server -> "genmove b\cr\lf"
 47.338 # -> GoKnot8 [ff ff ff ff 00 00 0c 00]
 47.468 # GoKnot -->   4 [ff ff 00 00]
 47.468 # -> GoKnot8 [03 00 00 00 00 00 0e 00]
 47.538 # GoKnot -->   4 [ff ff 00 00]
 47.589 # -> GoKnot8 [03 00 00 00 00 00 0e 00]
 47.629 # GoKnot -->   6 [ff 00 02 00 64 34]
 47.629 |- gkGTP --> "= "
 47.629 |- gkGTP --> "d4\cr\lf\cr\lf"

 48.620 |- server -> "play w Q3\cr\lf"
 48.660 # -> GoKnot8 [00 00 0f 02 00 00 06 00]
 48.740 # GoKnot -->   4 [ff 00 00 00]
 48.740 |- gkGTP --> "= "
 48.740 |- gkGTP --> "\cr\lf\cr\lf"

--
This is a 9x9 game start (after the first list_commands)

 14.331 |- server -> "boardsize 9\cr\lf"
 14.371 # -> GoKnot8 [09 00 00 00 00 00 02 00]
 14.471 # GoKnot -->   4 [ff 00 00 00]
 14.471 |- gkGTP --> "= "
 14.471 |- gkGTP --> "\cr\lf\cr\lf"

 14.551 |- server -> "clear_board\cr\lf"
 14.581 # -> GoKnot8 [09 00 00 00 00 00 02 00]
 14.671 # GoKnot -->   4 [ff 00 00 00]
 14.671 |- gkGTP --> "= "
 14.671 |- gkGTP --> "\cr\lf\cr\lf"

 14.751 |- server -> "komi 7.5\cr\lf"
 14.771 # -> GoKnot8 [00 00 f0 40 00 00 03 00]
 14.852 # GoKnot -->   4 [ff 00 00 00]
 14.852 |- gkGTP --> "= "
 14.852 |- gkGTP --> "\cr\lf\cr\lf"

 20.640 |- server -> "genmove b\cr\lf"
 20.680 # -> GoKnot8 [ff ff ff ff 00 00 0c 00]
 20.780 # GoKnot -->   4 [ff ff 00 00]
 20.780 # -> GoKnot8 [03 00 00 00 00 00 0e 00]
 20.870 # GoKnot -->   4 [ff ff 00 00]
 20.920 # -> GoKnot8 [03 00 00 00 00 00 0e 00]
 20.960 # GoKnot -->   6 [ff 00 02 00 66 36]
 20.960 |- gkGTP --> "= "
 20.960 |- gkGTP --> "f6\cr\lf\cr\lf"

 22.843 |- server -> "play w C6\cr\lf"
 22.883 # -> GoKnot8 [00 00 02 05 00 00 06 00]
 22.973 # GoKnot -->   4 [ff 00 00 00]
 22.973 |- gkGTP --> "= "
 22.973 |- gkGTP --> "\cr\lf\cr\lf"

 23.194 |- server -> "genmove b\cr\lf"
 23.234 # -> GoKnot8 [ff ff ff ff 00 00 0c 00]
 23.264 # GoKnot -->   4 [ff ff 00 00]
 23.264 # -> GoKnot8 [03 00 00 00 00 00 0e 00]
 23.384 # GoKnot -->   4 [ff ff 00 00]
 23.524 # -> GoKnot8 [03 00 00 00 00 00 0e 00]
 24.165 # GoKnot -->   4 [ff ff 00 00]
 24.215 # -> GoKnot8 [03 00 00 00 00 00 0e 00]
 24.275 # GoKnot -->   4 [ff ff 00 00]
 24.325 # -> GoKnot8 [03 00 00 00 00 00 0e 00]
 24.365 # GoKnot -->   6 [ff 00 02 00 66 34]
 24.365 |- gkGTP --> "= "
 24.365 |- gkGTP --> "f4\cr\lf\cr\lf"

 36.563 |- server -> "play w E5\cr\lf"
 36.583 # -> GoKnot8 [00 00 04 04 00 00 06 00]
 36.693 # GoKnot -->   4 [ff 00 00 00]
 36.693 |- gkGTP --> "= "
 36.693 |- gkGTP --> "\cr\lf\cr\lf"

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Re: [computer-go] Congratulations to valkyria, and to GNU Go!

2008-01-07 Thread Jeff Nowakowski
On Mon, 2008-01-07 at 14:55 +, Nick Wedd wrote:
> The event was notable for unjustified resignations.

Seems strange so many bots had resignation trouble.  Looks like beta
code.  Probably in response to the "Please have your bot resign, for
your own good" thread?

-Jeff

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Re: [computer-go] Congratulations to valkyria, and to GNU Go!

2008-01-07 Thread Nick Wedd
In message 
<[EMAIL PROTECTED]>, Jason 
House <[EMAIL PROTECTED]> writes

Thanks for the write up.
To add to the list of misbehaving bots, in round 4, HBotSVN passed 41
times out of 81 white moves.  Probably not surprising, but the 81st
white move (move 162) was "resign"


Ok, it made some bad moves;  but it's going to have to do something more 
remarkable than that to get into my write-up   :)



Additionally, one nit pick: The text with the diagrams lists bot a vs.
bot b and then discuss black and white.  Is it possible to make which
bot is which color clearer?


I have followed the usual convention, that the white player is named 
first.  I shall add a note saying so.


Nick


On Jan 7, 2008 9:55 AM, Nick Wedd < [EMAIL PROTECTED]> wrote:
 Congratulations to valkyria19, and to GNU, the undefeated winners of
 yesterday's tournament on KGS.

 The event was notable for unjustified resignations.  MoGoBot1
 resigned
 several games very early; and Fudo9 and scottbot both resigned in
 won
 positions.  My report is at
 http://www.weddslist.com/kgs/past/34/index.html

 Nick
 --
 Nick Wedd   [EMAIL PROTECTED]
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Re: [computer-go] Congratulations to valkyria, and to GNU Go!

2008-01-07 Thread Jason House
Thanks for the write up.

To add to the list of misbehaving bots, in round 4, HBotSVN passed 41 times
out of 81 white moves.  Probably not surprising, but the 81st white move
(move 162) was "resign"

Additionally, one nit pick: The text with the diagrams lists bot a vs. bot b
and then discuss black and white.  Is it possible to make which bot is which
color clearer?


On Jan 7, 2008 9:55 AM, Nick Wedd <[EMAIL PROTECTED]> wrote:

> Congratulations to valkyria19, and to GNU, the undefeated winners of
> yesterday's tournament on KGS.
>
> The event was notable for unjustified resignations.  MoGoBot1 resigned
> several games very early; and Fudo9 and scottbot both resigned in won
> positions.  My report is at
> http://www.weddslist.com/kgs/past/34/index.html
>
> Nick
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[computer-go] Congratulations to valkyria, and to GNU Go!

2008-01-07 Thread Nick Wedd
Congratulations to valkyria19, and to GNU, the undefeated winners of 
yesterday's tournament on KGS.


The event was notable for unjustified resignations.  MoGoBot1 resigned 
several games very early; and Fudo9 and scottbot both resigned in won 
positions.  My report is at

http://www.weddslist.com/kgs/past/34/index.html

Nick
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Re: [computer-go] Odd results on 19x19

2008-01-07 Thread Vlad Dumitrescu
On Jan 6, 2008 11:37 PM, Don Dailey <[EMAIL PROTECTED]> wrote:
> > I'm not sure I get the whole picture regarding multi-dimensional
> > ratings. How can you compare two players with a 2-dimensional rating?
> > You can't, so how would one use this rating? In my book, a rating's
> > goal is to make things comparable...

> A 2-dimensional or more rating would be used to predict the winner.
> You would be able to say that a given player will beat another specified
> player some percentage of the time. With more than one dimension
> perhaps the formula would be a better predictor since it could take
> playing styles into consideration.
>
> It could not be used to rank players in the sense of putting them on a
> scale such as CGOS uses.   Since there is an inherently intransitive
> relationship,  you cannot rank players in strict order with more than 1
> dimension.

Thanks all who answered!

I see the point, the confusion in my mind was caused by the use of the
word "ranking" which for me does imply an ordering.

best regards,
Vlad
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