Andy Bethel hit the only century of the day to take his season's tally to 618 runs as leaders Pudsey Congs beat Spen Victoria by 112 runs.
Bethel was unbeaten on 103 at the end of 50 overs as Congs posted a score of 249 for five, which proved too much for visitors Spen.
Together with Barbar Butt (64), Bethel put on 106 for the second wicket before Butt was caught behind by Lee Goddard.
The Spen bowlers - including Lancashire's John Wood - had no answer to the Congs men, and Simon Noach's figures of three for 56 were the best they could muster.
At 95 for eight with a dozen overs remaining Spen looked dead and buried, but a ninth-wicket stand of 42 between skipper Steve Bethel and Kez Ahmed gave them a glimmer of hope for a point.
However, two wickets in two balls for in-form bowler Naveed Rana-ul-Hassan (5-54) in the 49th over gave Congs the full six points.
Baildon remain in second place five points behind Congs after their 85-run win over East Bier-ley.
Paul Spragg hit 73, including seven fours and a six, as Baildon totalled 217, left-arm spinner Asif Mir taking five for 52.
East Bierley reached 132 for five and then lost their remaining five wickets without adding to the score as Mushtaq Ahmed finished with six for 52.
Undercliffe had a 119-run victory over bottom club Brighouse, who are now 19 points adrift.
James Stansfield (4-113) and David Jay (2-108) bowled 25 overs apiece but could not break down a solid batting performance from Undercliffe, who totalled 243 for six, Howard Reeve top-scoring with 58.
Keith Dickinson was Brighouse's highest scorer with 30, but he retired hurt as Brighouse could only muster 124.
The other three games in the division ended with winning draws for the home teams.
Hanging Heaton skipper Steve Foster hit 64 and, together with Ajit Bhoite (67), put on 104 for the second wicket against Pudsey St Lawrence.
The home side's total of 234 for five was never challenged as St Lawrence reached 155 for nine in their 50 overs.
Ian Fisher scored 52 and Foster had success with the ball as well claiming four for 33.
Hanging Heaton move into third spot ahead of Farsley, who got a point at Wagon Lane after Bradford and Bingley totalled 212 for nine.
Bingley keeper Pat Fordham hit five fours in an unbeaten 58 to finish as top scorer.
In reply, Farsley clung on for a point at 151 for nine as leading run-scorer Ashley Metcalfe could only manage 13 before being out lbw to Richard McCarthy - Bingley's must successful bowler with four for 46.
Mark Gill hit 11 fours and two sixes in a knock of 82 and with Chris Siddall (75 not out) put on 136 for the third wicket as Cleckheaton totalled 226 for three.
Visitors Yeadon held on for a point at 130 for nine, Paul Booth taking four for 36.
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