The AIBA Women's Youth Boxing Championships got off to a colourful start in Guwahati today in the presence of Chief Minister Sarbananda Sonowal. No Indian featured in the opening day's bouts. While Sonowal was the chief guest, singer Shaan performed the tournament's official anthem at the Nabin Chandra Bordoloi Indoor stadium.The first day of the Championships witnessed some upset results with fancied Waikai Shylah of New Zealand and England's Chloe Watson crashing out of in the first round.Shylah, who trains in Australia but represents New Zealand, started off well against her Australian opponent Heibloem Indianna before losing by a close 2-3 margin in the 51kg light flyweight category. Same script followed in another light flyweight division bout as Chloe fought hard before being stunned by identical 2-3 margin by Thailand's Nampai Kittiya.In another light flyweight bout, Ukraine's Lisinska Anastasiia looked impressive against Germany's Hoffman Charlotte to register a comfortable 4-1 win.