Whakaotihia te rerenga e whai ake nei: I riro i a Harshana he mētara parahi i te waahanga o raro i te 7 tau i te 2009 Asian Schools Chess Championship i whakahaerehia i Sri Lanka. I riro hoki ia i te mētara koura i te waahanga o raro i te 11 tau i te 2014 World Schools Chess Championship i tu ki Brazil. I whakawhiwhia ia ki te taitara Kaiwhakaako Kaitono i te tau 2015. I riro i a ia te mētara hiriwa i te waahanga o raro i te 13 i te 2016 World Schools Chess Championship i tu ki Sochi, Russia. I wikitoria hoki ia i te mētara hiriwa i te waahanga o raro i te 15 i te 2018 World Schools Chess Championship i tu ki Albania. I wikitoria hoki ia i te mētara koura i te waahanga tuwhera o raro i te 16 i te 2018 Commonwealth Chess Championship i tu ki New Delhi. I taua tau ano, i whakawhiwhia ki a ia te taitara rangatira a FIDE. I whakataetae hoki ia i te
43rd Chess Olympiad i whakahaerehia i Georgia i te tau 2018 i reira i eke ia ki te 6 tohu mai i nga whakataetae 10.