Editing Orthogonality (section)

==Gaming==
{{See also|von Neumann neighborhood}}
In board games such as [[chess]] which feature a grid of squares, 'orthogonal' is used to mean "in the same row/'rank' or column/'file'". This is the counterpart to squares which are "diagonally adjacent".<ref>{{cite web|title=chessvariants.org chess glossary|url=http://www.chessvariants.org/misc.dir/coreglossary.html#orthogonal_direction}}</ref> In the ancient Chinese board game [[Go (game)|Go]] a player can capture the stones of an opponent by occupying all orthogonally adjacent points.