Re: [computer-go] CGOS server for 7x7

2006-10-18 Thread Rémi Coulom

Don Dailey wrote:

I reported earlier that Lazarus wins as white with 8.5 komi.  Out of 256
games the win percentage was 53.9 percent.

I tripled the level and ran off 179 games.  Now BLACK wins by 54.2
percent.   179 is not enough games, but it appears to be a turnaround.

Of course black SHOULD be winning 100 percent of the games at that komi.

- Don
  

Hi Don,

Thanks to you and Thomas for setting this up.

Last night Crazy Stone lost one game on time. Probably my ISP cut the 
connection for a while in the middle of the night (it has not been very 
reliable lately). The error message that I saw this morning is shown 
below. I wonder if it would be possible to have your script check for 
re-connection instead of terminating, so that the program continues 
playing when the connection comes back.


Rémi

error reading "sock5": connection timed out
   while executing
"gets $sock s"
   ("while" body line 17)
   invoked from within
"while {1} {

   set err [catch {set sock [socket $server $port]} msg]

   if { $err } {

   puts "server startup return code: $err   msg: $msg"
   puts ..."
   (file "./cgos77.tcl" line 103)

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Re: [computer-go] CGOS server for 7x7

2006-10-18 Thread Don Dailey
On Wed, 2006-10-18 at 09:16 +0200, Rémi Coulom wrote:
> Thanks to you and Thomas for setting this up.
> 
> Last night Crazy Stone lost one game on time. Probably my ISP cut the 
> connection for a while in the middle of the night (it has not been
> very 
> reliable lately). The error message that I saw this morning is shown 
> below. I wonder if it would be possible to have your script check for 
> re-connection instead of terminating, so that the program continues 
> playing when the connection comes back.


The plan for the new server is to allow reconnections - although your
clock keeps running if you are playing a game.   So you will still
forfeit if you disconnect during a game and do not return before you
lose on time.

- Don

 

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[computer-go] cgos elo question

2006-10-18 Thread David Doshay


Are the elo ratings integer or floats?

I am just wondering if partial (less than one) ratings build up or  
are truncated.


Cheers,
David



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Re: [computer-go] cgos elo question

2006-10-18 Thread Don Dailey
On Wed, 2006-10-18 at 12:19 -0700, David Doshay wrote:
> Are the elo ratings integer or floats?
> 
> I am just wondering if partial (less than one) ratings build up or  
> are truncated.

CGOS tracks the ratings as floating point numbers but rounds the results
for display.

If you see two identical ratings on CGOS, the one listed on top is the
higher rating, even if only by a tiny fraction.

But even if they were integers, it would make little difference since
ELO is self balancing.   If a few wins failed to give you the credit you
deserve due to roundoff,  then you become slightly under-rated, which
causes further wins to count more, and further losses to have less
impact.  It would be very difficult to get off by more than a very few
ELO points due to round-off error.

In clubs, they often rate with a rating chart, that is integer based and
this is perfectly adequate.   

- Don


> Cheers,
> David
> 
> 
> 
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