Chipping Norton marched on at the top with a 72-5 home thrashing of Broadmoor Staff.
Sam Townsend started the scoring with a try after ten minutes. Adam Smith converted, before adding a penalty.
Broadmoor fly half Ben Yates chipped over the top twice to score their only try.
Chippy's Simon Hawken finished a move that saw nearly every home player touch the ball.
Jon Hickman crashed over, with Smith adding his second of seven conversions before Ian Hancock scored twice.
Robbie Naish rounded off the half by squeezing over.
After the break, Tom Hall freed Hawken for his brace.
Chippy ran riot with Aaron Tustin, Hickman, Townsend and Andy Chapman all finishing off some great moves.
Bicester ended Drifters' unbeaten start to the season with a 34-8 victory that boosts their promotion hopes.
Bicester opened with a pushover try from No 8 Rob Thurlow.
Drifters were driven off their own ball for flanker Anthony Nightingale to dive over and captain Steve Risbridger converted.
Wing Dickie Walsh made it 17-0 with try No 3, before Drifters replied with a James Cotter penalty.
Walsh was denied a second after the break, but prop Tony Shaw fed flanker Dan Spencer for another try.
A 30-metre surge saw Nightingale driven across for his second.
Stewart Taylor touched down for Drifters, but a final Bicester flurry saw hooker Jamies Davies burrow across and Dan Spencer convert.
Gosford All Blacks suffered a 29-14 defeat at home to Swindon College despite a great start.
The hosts scored early when full back Kye Clutton set up wing Marc Grant to dive over, with Tim Ellis converting.
Almost immediately, Swindon winger Ben Robinson failed to deal with scrum half Ellis's high kick and flanker Dan Hughes beat him to touch down.
Ellis added the conversion, but Robinson raced clear to reduce the arrears before half-time.
Swindon scored through Ewan McGregg and Tony Brown, Robinson converting three and adding a penalty.
Oxford contrived to lose 23-8 to Stow-on-the-Wold in a match they should have won comfortably.
They threw away a string of first-half chances and trailed to two penalties at the break.
Oxford managed a try from Josh Byles to add to Adam Thompson's penalty kick, but Stow took more of their chances.
Everton Harris scored Abingdon's only try in their 17-7 home defeat to Phoenix.
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