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Notchers
Path: LifeAndDeath · Prev: FourDieButSixLive · Next: CombFormation
Keywords: Life & Death, Shape, Go term
A notcher is a surrounded group of stones on the side, consisting of stones on the third line, flanked by stones on the second line.
Example of a notcher. If it weren't for the "notch" at the circled point and the marked stones, all Black stones would be on the second line. "Notcher" is terminology borrowed from James Davies' excellent book on life and death, which is called, well, "Life and Death". The discussion of the life and death status of notchers and their classification [1] have been separated into There is also a table of notchers, showing critical notchers i.e. notchers whose status would change if their shape slightly alters. On all these pages you will find a code name for each particular notcher. See notcher code for an explanation. We will also make use of abbreviations of the life and death status. See status abbreviations. [1] In fact I'd like to see important notchers to have their own page and all of the above pages to refer to those, rather than contain all the cases. All help is welcome. --Dieter WME by Dieter, previous version: 32. Path: LifeAndDeath · Prev: FourDieButSixLive · Next: CombFormation This is a copy of the living page "Notchers" at Sensei's Library. ![]() |