EntityQ747298· pop 5· linked from 12 articleszero gameSign in to savegame where both players can't moveConnectionsSprague–Grundy theoremEntityJohn Horton ConwayEntityzero-sum gameEntityNimEntityElwyn Ralph BerlekampEntityRichard K. GuyEntitycombinatorial game theoryEntityBrad MeltzerEntityimpartial gameEntityHackenbushEntityCategories0 (number)Combinatorial game theory