"Openingen (schaken)" . . . . "Nunn's chess openings" . "Nunn's chess openings"@en . . . . "Encyclopedieën (vorm)" . . . . . . . . . . "Four expert authors share their knowledge of all chess openings, offering original analysis and reference tables that have been computer-checked for accuracy." . "Four expert authors share their knowledge of all chess openings, offering original analysis and reference tables that have been computer-checked for accuracy."@en . . "NCO" . . . "Chess openings" . . "Chess openings"@en . . . . "Nunns chess openings" . "Chess Openings." . . . . "Chess." . .