Lasker heap
preferred label: کپه لاسکر @fa
type: Concept
broader: nim heap

nim heap
narrower: Lasker heap
narrower: bogus nim heap
broader: nim game
preferred label: کپه نیم @fa
type: Concept

bogus nim heap
preferred label: کپه نیم تقلبی @fa
type: Concept
broader: nim heap

nim game
preferred label: بازی نیم @fa
type: Concept
narrower: nim heap