EntityQ559094· pop 7· linked from 6 articlesLudvig CollijnSign in to savechess author (1878–1939)ConnectionsScandinavian DefenseEntitychessEntitySwedishEntityThe GuardianEntitychess openingEntityAaron NimzovichEntityRichard RétiEntityAkiba RubinsteinEntityKing's Pawn GameEntityRudolf SpielmannEntitychessgames.comEntityIsak CollijnEntitySwedish Chess FederationEntityCategories1878 births1939 deathsChess theoreticiansSwedish chess players