MORLEY A closed the gap to the Knutsford and District Amateur League summit after a whitewash of lowly Mere B.
They trail champions Mobberley A, who were taken to the brink by Mobberley B before edging home, by 14 points.
Brook Street A proved too strong for clubmates Brook Street B, while Tatton squeezed past their guests Wilmslow Cons A.
Division Two leaders Morley B returned to winning ways in style, thrashing hosts Mobberley D.
The highlight was a 109-point frame by Arthur Faux, which included a run of 40.
Mark Bushell amassed the biggest total of the campaign in Mere A's hammering of Wilmslow Cons B, posting 112 points.
Shaw Heath remain in contention for promotion to the top flight after easing aside Mobberley E, while Mobberley C's success at Wilmslow RBL leaves four teams battling for second spot separated by just three points.
Results
Week 15, Division One: Brook St A 5 Brook St B 2; Mobberley A 4 Mobberley B 3; Morley A 7 Mere B 0; Tatton 4 Wilmslow Cons A 3
Division Two: Mere A 6 Wilmslow Cons B 1; Mobberley D 1 Morley B 6; Shaw Heath 5 Mobberley E 2; Wilmslow RBL 2 Mobberley C 5
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