|World Rowing Championships|
|Venue: Amsterdam, Netherlands Date: 24-31 August|
|Coverage: Reports on the BBC Sport website, live on BBC Two on Saturday 30 August 12:15-14:15 BST and Sunday 31 August 12:00-13:45|
Richard and Peter Chambers are into Friday's semi-finals of the World Rowing Championships as part of the Great Britain men's lightweight four.
Along with fellow crew members Chris Bartley and Mark Aldred, the Coleraine pair led from start to finish to win their heat in a time of 6:13.68.
The GB quartet held off a late challenge from the Netherlands.
Meanwhile Enniskillen's Leonora Kennedy and her partner Lisa Dilleen have made the semi-finals of the women's pair.
The Ireland duo qualified for Thursday's next stage by finishing second in their heat behind Great Britain's Olympic champions Helen Glover and Heather Stanning.
The other crews who progressed directly into the men's lightweight fours semi-final were pre-event favourites and fastest qualifiers Denmark, France, Australia and New Zealand.
At last year's World Rowing Championships in Chungju, the Chambers brothers won a bronze medal in the lightweight double before returning to the lightweight four this season.
This season at the 2014 European Rowing Championships in Belgrade, the GB lightweight four won a hard fought silver medal behind Denmark, and followed this with bronze medals at the second World Cup in Aiguebelette and most recently at the final World Cup in Lucerne behind Denmark and New Zealand.
Richard is a two-time world champion in the lightweight four, in Munich in 2007 and Karapiro, New Zealand in 2010.
Fellow Northern Ireland rower Alan Campbell was not selected to compete for Great Britain in the single sculls after struggling to find form this season.