Nikita Pearl Waligwa, who appeared in Disneys biographical drama Queen of Katwe, has died. She was 15. According to a Ugandan media report, Pearl Waligwa had been diagnosed with a brain tumour. The 2016 film was based on the true story of Phiona Mutesi, who took up chess aged nine despite not being in school and went on to compete in international tournaments. Queen of Katwe starred Lupita Nyong’o as her mother. Waligwa played the role of Gloria, a friend of Phiona who explained the rules of chess to her. (IANS)