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 Post subject: 1001 GoGoD games for your Coffee Break #16 (28 January 2013)
Post #1 Posted: Mon Jan 28, 2013 1:47 am 
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Here’s a game that may be the first, in 1989, to feature chosei (“eternal life”) and is another of those delightful void games without a result. Chosei has appeared as a theoretical concept in problems perhaps for centuries before it started appearing in recorded games. I hope that this is a nice, gentle start to the week.



Best wishes.

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 Post subject: Re: 1001 GoGoD games for your Coffee Break #16 (28 January 2
Post #2 Posted: Mon Jan 28, 2013 9:33 am 
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Nice one. This is exactly the eternal life pattern on textbooks.

Another example with rather unusual shape is at:

http://www.go4go.net/go/games/sgfview/21834


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 Post subject: Re: 1001 GoGoD games for your Coffee Break #16 (28 January 2
Post #3 Posted: Mon Jan 28, 2013 9:34 am 
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Was this game played while both players were insei, hence the 1k rank?

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 Post subject: Re: 1001 GoGoD games for your Coffee Break #16 (28 January 2
Post #4 Posted: Mon Jan 28, 2013 10:24 am 
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Yes, they were both insei and qualified as pros later.

Best wishes.

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 Post subject: Re: 1001 GoGoD games for your Coffee Break #16 (28 January 2
Post #5 Posted: Mon Jan 28, 2013 8:56 pm 
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This happened in a game with a friend of mine when we both started Go.

Funny thing is: we must have talked for over an hour about the status of the groups. We had no idea what we were dealing with! I only knew about sekis and kos, but this wasn't either.

Never happened since, but I remember it clear as day though it was a decade ago. :mrgreen:

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 Post subject: Re: 1001 GoGoD games for your Coffee Break #16 (28 January 2
Post #6 Posted: Tue Jan 29, 2013 5:44 pm 
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Thank you!

So, does this mean that any game where such a chosei constellation occurs has to be a draw, without regard to the overall scoring?

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 Post subject: Re: 1001 GoGoD games for your Coffee Break #16 (28 January 2
Post #7 Posted: Tue Jan 29, 2013 6:35 pm 
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Well, if one side has enough points, then they can choose not to continue the sequence. However, if the ruleset allows for repeated board positions and neither player is willing to back down, then the result will be either a no result or a draw.

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Each of us woke up one moment and here we were in the darkness.
We're nameless things with no memory; no knowledge of what went before,
No understanding of what is now, no knowledge of what will be.


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