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Offline cyclops
 Post subject: Re: Passive ko rule
Post #41 Posted: Thu Sep 27, 2012 5:22 pm 
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For another ko-rule:
Capturing a single stone is forbidden if it is a self atari and the capturing stone is not attaching to any friendly stone.
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Offline jts
 Post subject: Re: Passive ko rule
Post #42 Posted: Thu Sep 27, 2012 8:55 pm 
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cyclops wrote:
For another ko-rule:
Capturing a single stone is forbidden if it is a self atari and the capturing stone is not attaching to any friendly stone.

That makes false eyes unfillable, no?
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Offline luigi
 Post subject: Re: Passive ko rule
Post #43 Posted: Fri Sep 28, 2012 11:42 am 
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hyperpape wrote:
I think iggamecenter has a sandbox feature that game-designers often use.

Yes, I use it a lot to test my own and other people's games. I'd gladly test passive ko or its variants there someday with anyone interested.
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Offline cyclops
 Post subject: Re: Passive ko rule
Post #44 Posted: Fri Sep 28, 2012 5:06 pm 
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jts wrote:
cyclops wrote:
For another ko-rule:
Capturing a single stone is forbidden if it is a self atari and the capturing stone is not attaching to any friendly stone.

That makes false eyes unfillable, no?

Yes, at least some. Maybe the game is boring because living becomes easier.

For yet another ko-rule:
Capturing a single stone is allowed but if it is a self atari and the capturing stone is not attaching to any friendly stone the captured stone is replaced by a stone of the capturer.
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Offline luigi
 Post subject: Re: Passive ko rule
Post #45 Posted: Sun Jan 06, 2013 9:38 pm 
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I've added this to my original post:
luigi wrote:
EDIT:

The following rule preserves snapbacks while still preventing all known cycles:

If your opponent has captured n stones on his previous turn, you can't make a capture on your turn unless it's bigger than n stones.

How does that look? :)
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Offline ez4u
 Post subject: Re: Passive ko rule
Post #46 Posted: Mon Jan 07, 2013 1:06 am 
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Double ko goes away, so some standard positions change from alive to ko.

_________________
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"Short-lived are both the praiser and the praised, and rememberer and the remembered..."
- Marcus Aurelius; Meditations, VIII 21
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Offline SmoothOper
 Post subject: Re: Passive ko rule
Post #47 Posted: Tue Jan 15, 2013 9:20 am 
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jts wrote:
Tibetan ko turns lots of standard l&d into ko (bulky eye spaces and so on). Luigi ko hugely changes situation where multiple strings of stones are in Atari, and turns a lot of them into ko. Both very broad, but different.


I must admit reading this thread I have learned a new respect for the Tibetan rule set. I thought it was simply about playing on hoshi points and 17x17 grids, but extended ko fights over the bulky five are pretty cool, now I know why all the traditionalist want to play that way.
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Offline luigi
 Post subject: Re: Passive ko rule
Post #48 Posted: Mon Jan 21, 2013 3:05 am 
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viewtopic.php?f=45&t=7686
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