Options

N.B. For Option in non-CGT senses, e.g. as used in the articles Strategic Concepts and Dynamic, see the article Option (i.e. the singular).

In Combinatorial Game Theory (CGT) an option in a game (i.e. a game position) refers to a new game (i.e. position) to which one player can move. For more details, see the article Abstract Game, about games in the sense of CGT.

A left or right option refers to an option for the player Left or Right (in go, by convention, Black and White respectively).

A dominated option for a player is one less favourable than another option for the same player; such options may be eliminated:

`` {cancel 3, 4|-5, cancel (-4)} = {4|-5} ``