sentences:  Yasser Seirawan (USA) earned a GM norm; Walter Morris (USA), Jack Peters (USA), Joe Bradford (USA), Nick de Firmian (USA) and Paul van der Sterren (the Netherlands), earned IM norms; and Doug Root (USA) and David Strauss (USA) earned FM norms.In 1980, an International Master title was no longer sufficient for entry.Eligibility requirements were increased to Grandmaster, adults rated over 2450, and juniors rated over 2350.