Life In 19x19http://lifein19x19.com/ A piece of the rules puzzle - mannenko and territory in sekihttp://lifein19x19.com/viewtopic.php?f=45&t=18396 Page 2 of 2

 Author: santo [ Sat Nov 27, 2021 6:23 am ] Post subject: Re: A piece of the rules puzzle - mannenko and territory in Yet another perhaps simpler formulation of the same idea:Imagine that you play the local situation with the added rule that:Scenario 1) The defender can ignore the ko rule and immediately retake any ko, ANY TIME that they want. The attacker can pass or play in order to lift the ko ban.Scenario 2) The defender can ignore the ko rule and immediately retake any ko, AT MOST N times. The attacker can pass or play in order to lift the ko ban.In the standard moonshine life position, the defender cannot be captured in Scenario 1, but the defender can be capture in Scenario 2, no matter how large N is. In the mannen ko example however, white can win the mannen ko in Scenario 2 even for N=1.

 Author: jann [ Sat Nov 27, 2021 4:38 pm ] Post subject: Re: A piece of the rules puzzle - mannenko and territory in As long as W can go for the direct ko, it is not moonshine life oc.But iirc you assumed a case when the double ko is not big enough to go for direct ko with it (at least for W), only leaving the status of W corner ko stone in question.

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