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Quasi-pincer
Keywords: Joseki, Go term
Charles Matthews It seems that the pincer nomenclature could be usefully refined, with a new concept of quasi-pincer.
At missing pincer it was argued that
In the Bruce Wilcox theory of sector lines, cutting such a line to escape to the centre is given an important role. Here, therefore, there is a difference in the effect of
The consequences of introducing the idea of a quasi-pincer concept as suggested by this analysis would be the loss of pincer status also by these pincers:
BobMcGuigan In Pincer Nomenclature Charles suggested that an essential feature of a pincer is to obstruct the pincered stone making a two space extension. In general the two space extension is most desirable for a stone on the third line because it helps make a base. With the "quasi-pincers" a two space extension is obstructed but the stone is on the fourth line so a base is not as relevant. The pincering stone on the third line does undercut the pincered stone but because it is on the fourth line it has easy access to the outside. References on tenuki variations relevant here:
Those are quite rare moves; it is even rarer to see tenuki in reply, though. If it were played without the Chinese-enclosure stone - but that is normally present, in practice. This is a copy of the living page "Quasi-pincer" at Sensei's Library. ![]() |