KIRK Deighton aim to go one better this season after finishing Division One runners-up for the last two years.
Chris Malthouse (41) and captain Richard Ward (4-18) led them to an opening day win at Scarcroft, whose four-wicket defeat was hard on Damian Aston (4-21).
Great Preston started the new campaign as they ended the last.
They were crowned champions for the first time for 10 years when they defeated Shadwell on the final day last season and all-rounders Ian Newton (54 and 2-9) and Lee Russell (49 and 3-13) made sure they won when the teams met again on Saturday.
Promoted sides Sicklinghall and Old Leodiensians had contrasting fortunes.
George Barton (46no), James Crooks (37) and all-rounder Martin Wood (31 and 3-27) steered Sicklinghall to victory against Walton on their return to the top-flight.
Leodiensians lost by six wickets to Old Modernians after Stuart Borrill (4-28), Lewis Gomersall (3-22) and Matt Walker (3-9) routed them for 72.
All-rounder Nick Boyes (20no and 2-23) was Leodiensians’ best performer.
Barwick in Elmet’s Australian signing, Matt Prosser, made a quick impact.
Prosser (61no) and Nick Swales (47) guided Barwick to a six-wicket victory against St Chad’s, who were toppled for 176 by Rob Nicholls (4-16) and Jamie Swales (3-35).
Matthew Stevens (78) and Mark Bailey (33) led the St Chad’s scoring.
Bilton in Ainsty made a winning start under new captain Andy Walker when Miles Lloyd (32), Tim Lambert (31no) and Ian Hutchison (3-24) gave them the edge against Wetherby, for whom Ian Twitchen struck a half-century.
In Division Two, Church Fenton captain Kendal Edgley produced an impressive all-round performance against South Milford.
Edgley (106) guided Fenton to 259-7 and then claimed 5-51 to limit Milford’s reply to 184-8 which included 54 by Stuart Morley.
Alex Bramley (152no) hit the day’s top individual score. He shared an unbroken 270-run stand with Liam Fisher (106no) as Kirk Hammerton recovered from 6-4 to post 276-4 at Hillam and Monk Fryston, who salvaged a batting point when Martin Pugh (100) and Luke Frankland (56) led them to 245-8 in reply.
Dan Ranasinghe (137) and James Biscombe (77) steered Scholes to the day’s highest total of 314-6 against Thorner Mexborough, who were bowled out for 131 chiefly by Mark Sirrell (5-30).
Stuart Whitham (37no) and young Harvey Green (3no) shared a match-winning unbroken last-wicket stand of 27 as Whixley beat Crossgates by one wicket.
Dan Hewer (5-17), John Potter (2-15) and Harry Fletcher (2-19) routed Garforth Parish Church for 67, replying to Saxton’s 119.
Basharat Zaman (45) and Bilal Shahid (6-26) were East Keswick’s match-winners against promoted Ledsham.
In Division Three, John Wood hit an unbeaten 43 and claimed 4-25 in Amaranth’s four-wicket win against Sherburn Eversley.
Long Marston’s Robin Rolls (3-6), Chris Lewis (3-31) and Michael Schofield (2-25) skittled Thorne Mexborough A for 109 to set up a seven-wicket win.