Morris Motors suffered their first defeat of the season as they went down by 24 runs to lowly Wendover at Crescent Road.
The visitors piled up 200-6 with Gurney (73) leading the way.
Some injudicious batting from the usually reliable Motormen then saw them slump to 176 all out - despite the efforts of Rashid (40) and Chaudry (37).
*Morris Motors 3, Wendover 30
Dinton 2nd cut the gap on leaders Morris Motors to 25 points with a six-wicket win at Bledlow.
A half century from Bob Dicks helped Bledlow to 161-8, but then Terry Kelloway (64) and Jamie Sawyer (32) took unbeaten Dinton to 162-4.
*Bledlow 11, Dinton 2nd 30
Didcot boosted their hopes of beating the drop with a nine-wicket drubbing of Long Marston.
Simon Pritchard (6-48) and Julian Hitchman (3-10) shot Long Marston out for 84 in 38 overs. Didcot then strolled to 85-1.
*Didcot 30, Long Marston 4
Wallingford slumped to an eight-wicket defeat against Princes Risborough after being dismissed for 161.
Openers Paul Strong (68 no) and John Witney (55) set Risborough on the way, and they clinched victory at 162-2 in the last over.
*Wallingford 9, Risboro 30
Wolverton 2nd dismissed hosts Moreton-in-Marsh for 185, Glenn Dickinson taking 4-44 and Iqbal 3-16 as Dave Henshaw made 52.
Old stager Keith Hurrell (4-21) then got to work on the Wolverton batsmen, but they managed to hold out at 122-9.
*Moreton 17, Wolverton 2nd 15
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