KEY POINTS:
New Zealand fighters made a positive start to the world amateur boxing championships in the United States yesterday.
Two New Zealanders were in action in Chicago and both survived to contest later rounds.
Yamiko Chinula was first up, posting a tight 15-14 win over Ghana's Yekeni Awusone in their heavyweight bout.
Super heavyweight Isekeli Maama then beat Guy-Badjo Batansule, of the Democratic Republic of Congo, 18-8.
