City of Derry's victory over Dungannon in the First Trust Senior League was the surprise result of the evening.
Dungannon went ahead with a Mark Liddle try converted by James Shiels but superb play by the visitors just before and after half-time in which three tries were scored sealed the fate of the home team.
Michael Lawton had a try while Jason Bloomfield kicked two penalties and Shiels one. Derry scorers were Stephen Corr, Peter Henderson and William McClerrie while Richard McCarter kicked a penalty and three conversions. Richard Brady also had a penalty in a 27-21 victory.
Queen's also upset the odds by the margin of their |27-5 win at Belfast Harlequins. It was a very poor display for Quins who are looking for their first victory in the competition.
They could only provide a Davy Creighton try while James Gormley, David Swann, Robbie Stewart and Darryl Rooney touched down for the students for David Cartmill to convert two and add a penalty
Banbridge overcame Rainey 43-28. Robin Thompson was in good kicking form with five conversions to tries from Jason Pollock, Johnny Little (2), Stephen Cowan, Ryan Patterson and Neville Farr. Mark |O'Connor scored a try for the visitors and converted all four tries .
Instonians had a 29-14 success against Malone. Josh Pentland kicked three penalties and Shane Kelly had a try for Malone. Inst dominated most of the game and had tries from Seamus Mallon, two, Gary Mitchell and Michael Sergeant. Nick Finlay had a penalty and three conversions.