![]() StartingPoints Aliases (info) Referenced by
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Up
Keywords: EndGame, Theory
In Combinatorial Game Theory UP is the name of an infinitesimal, also written ^. UP is defined as ^ = { 0 | * } Left (Black) can play to 0, while Right (White) can play to * (STAR). UP is positive, favoring Left, who gets the last play, no matter who goes first. The opposite of UP is DOWN, also written v. Some plays with a miai value of 1 chill to UP. (See Chilled Go). Here is an example.
This position chills to 2^ (2 plus ^). Black can get the last play locally no matter who plays first. For "Up" as a direction on the board see UpAndDown. This is a copy of the living page "Up" at Sensei's Library. ![]() |