Okay, I found the bug. There was actually two. I won't bore you with
the details. Sorry for wasting everyone's time.
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On Thu, 8 Feb 2007, Chris Fant wrote:
When I added code to also prohibit multi-stone suicides in the MC
playouts, I saw the appearance of infinitely long games due to
unrestricted board repetition. So I then had to add the 2x board area
limit. But I also saw a significant drop in strength and a
This sounds backwards.
If multi-stone suicides ARE allowed then it opens up board areas
that can then be replayed. This could lead to infinitely long games.
Cheers,
David
On 8, Feb 2007, at 7:45 AM, Chris Fant wrote:
When I added code to also prohibit multi-stone suicides in the MC
playouts
On 2/8/07, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote:
Last one, I promise :) If your eye rule doesn't allow the defender to
fill in behind the ko stone (the one in atari), that can set up infinite
loop triple kos.
- Dave Hillis
This has got to be the problem. I thought my eye rule was
12:19 PM
Subject: Re: [computer-go] Suicide in MC playouts
This one's a long shot. If you get the simple ko rule a little bit wrong,
you can run into a situation where a move that was illegal for black doesn't
get reset correctly and white isn't allowed to move there eithe
This makes no sense to me. Most of us are working on how to improve
the quality of the quasi random simulations and you are considering
to allow the worst moves.
Your eye rule probably keeps this from getting completely out of
control, but I would say allowing any suicide should greatly
inc
-Original Message-
From: [EMAIL PROTECTED]
To: computer-go@computer-go.org
Sent: Thu, 8 Feb 2007 11:24 AM
Subject: Re: [computer-go] Suicide in MC playouts
Sounds like a bug. The randomness of the moves should make infinite loops
fairly rare (though not impossible) and your aver
Quoting Chris Fant <[EMAIL PROTECTED]>:
> I understand that allowing multi-stone suicide seems like a bad idea,
> but because it makes board repetition much more unlikely, it seems
> like a good idea.
I do not understand how you get a problem of board repetition, and how
multi-stone suicde help
t;always make a capture if you can?"
- Dave Hillis
-Original Message-
From: [EMAIL PROTECTED]
To: computer-go@computer-go.org
Sent: Thu, 8 Feb 2007 10:45 AM
Subject: [computer-go] Suicide in MC playouts
When I added code to by bot to prohibit single-stone suicide in the MC
playouts, I
Quoting Chris Fant <[EMAIL PROTECTED]>:
I understand that allowing multi-stone suicide seems like a bad idea,
but because it makes board repetition much more unlikely, it seems
like a good idea.
I do not understand how you get a problem of board repetition, and how
multi-stone suicde help with
When I added code to by bot to prohibit single-stone suicide in the MC
playouts, I saw about a 200 ELO point gain plus an increase in pps due
to the shorter games. I did not need to limit game length to 2x board
area.
When I added code to also prohibit multi-stone suicides in the MC
playouts, I
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