Doncaster Phoenix came from behind to win 29-20 at Alnwick in their North One East debut.
Alnwick scored a converted try and two penalties to lead 13-0.
But winger Lee Wallace pulled a try back and, just after the break, he struck again with Dan Porter converting.
Ryan Peacey then gave Phoenix the lead on 47 minutes and Tom Battye went over to make it 22-13.
Alnwick scored to set up a nervy ending but an Ed Miles try converted by Dave Hankinson sealed victory for the visitors.
Wheatley Hills found the going tough and were defeated 29-15 on their visit to newly-relegted Morley.
After a shaky start Wheatley recovered to hold a slender 15-14 lead midway through the second half.
Sam Kerry’s try was the visitors’ only score of the first half as Morley turned round 14-5 ahead.
A try by fly-half Craig Barker, converted by centre Declan Cook, and a penalty from Cook put Hills back in contention.
But a needless penalty and two more tries gave the home side a winning bonus point.
Wath on Dearne made a positive start in Yorkshire Two by controlling territory to beat Old Grovians 32-8.
Centre Andy Hopkin scored two tries and Jordan Fleming, Ben Cairns and Martin Bolshaw also crashed over.
Thornensians emerged 15-10 winners in their Yorkshire Three clash with Leeds Modernians at Coulman Road.
Thorne were 7-5 ahead at the break with hooker James Fenwick touching down and Oliver Cox converting.
After the break Cox added a penalty and, while Modernians levelled at 10-10, full-back Zak Holgate scored just after the hour mark to take the win.