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

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

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

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