An opening stand of 121 between Shaun Davies and skipper Rajjenu Britto set up leaders Conwy for a comfortable six-wicket success at home to Gwersyllt Park.
The visitors were put into bat and set 174 all out, Lewis Cole contributing 36 and Ryan Collier 33, Graham Boase an excellent 3-16 off 12 overs for the hosts, Britto 3-35 and Graham Meredith 3-48.
Shaun Davies (75), Daniel Davies (37 not out) and Britto (34) then led Conwy to 175-4 off 30.3 overs for a 13-2 verdict.
In a battle of second versus third, Dolgellau edged a thrilling two-run win against Llay Welfare 160-8 playing 158-8.
Greg Smithies (49) and Phil Leeds (43 no) were the main scorers for Dol, David Phennah 3-49 for the opposition, Chris Woodcock (43), Phennah (32) and Jack Parry (30) ensuring Llay went so close, Smithies 3-32 for the hosts.
Basement boys Bersham secured a narrow victory over Abergele – the team immediately above them.
Skipper Suresh Lakmal Koswaththage dominated with 103 not out in Bersham’s effort of 181 all out, David Moulson grabbing 5-35 off 12 overs for Gele.
The visitors were bowled out for 165. Karl Higgins striking 35 and Ben Garnett 30, Koswaththage snapping up 3-31 and Nilanka Da Silva 3-42 for the hosts.
Hawarden Park earned the better of the points 13-2 against Carmel and District. Park set 184 all out and bowled out the opposition for 119.
Jo Forde (78) and Adam Cross (62) totally dominated a Hawarden innings which featured five ducks, Derek Johnson 3-16 and Michael Rapson 3-20 for the visitors. Number 11 Nick Hughes struck 35 for Carmel, opener Dafydd Bailey carrying his bat for an ultra-patient 32.
Ian Martin produced stunning (and characteristic) figures of 12 overs, 3-11 for the hosts, David Hughes 2-22 from 12.
Alwyn Williams took a remarkable 7-16 as Llanrwst bowled out Mold for just 88 at Parc Gwydir after putting the visitors into bat.
The Rwsters got home on 91-7, Jack Hughes 33, John Crane 3-23 for the Flintshiremen. Points: 11-4.
It was also tight at Ruthin, where Bethesda were dismissed for 142, but then sent the hosts packing for 132 to seal a 10-run, 11-4 triumph.
Dewi Roberts (50) and Andrew Day (34 no) starred for Pesda, Gwyndaf Hughes 4-22 and Jamie Hulse 3-39 for the hosts.
Number seven William Jones was top-scorer for Ruthin with 35, Day and Ashley Rowlands both 3-21 for the visitors, John Maloney 3-28.
Half-tons from Peter Jones and Jamie Davies proved the difference as table-toppers Bangor seconds celebrated victory by just one run at Gresford seconds.
Inserted by the opposition, the Citizens recorded a total of 180-7 off 45 overs, Jones top-scoring with 71 not out, skipper Davies adding 54.
Gresford so nearly reached their target, but ended on 179-7, Cam Evans 58 and Joe Benson 57, Bethan Hughes 3-48 for the successful visitors.
Second-placed Halkyn won by six wickets at Llay Welfare seconds, reaching 164-4 after bowling out the hosts for 160.
David Wright was chief run-getter for Llay with 69, Ben Roberts 4-41 and Gareth Thomas 3-32 for Halkyn, Roberts then making 53 and Alex North 32 in the away reply.
Marchwiel and Wrexham’s Josh Williams returned a remarkable analysis of 5-6 of 7.3 overs as the hosts sent nine-man Corwen packing for a paltry 54. The hosts replied with 58-0, Michael Forgrave 24 no and Gareth Evans 22 no for a 15-0 decision.
Joss Roberts hit an unbeaten ton as Brymbo seconds ruthlessly inflicted a 15-0 defeat on Menai Bridge seconds.
The Steelmen amassed 302-3, Roberts with 101 no, Tom Emmerson 58 no, Charlie Croasdale 58 and Gareth Parry 45.
Daniel Monk then snared 3-44 as Menai were limited to 178-7 in reply, Ian Granger 37, Gethin Roberts 33 and Ben Evans 32.
Northop seconds recorded a 15-0 success at Mochdre seconds.
Steven Eltham was chief contributor with 49 as Buckley seconds were all out for 129 at home to Hawarden Park seconds.
Craig Wilson (3-11), Michael Almond (3-24) and Nicholas Woods (3-45) bowled well for the visitors, but in response Hawarden could only muster 97, Peter Hinton a determined 33 no.
Mathew Edge (4-29), Samuel Edwards (3-25) and Mike Wooton (2-14) were Buckley heroes with the ball in this 12-3 win.
Gwersyllt Park seconds overcame Carmel and District seconds 13-2, 182-6 playing 115-9.
Skipper Stephen Conner made 94 no and Ralfie Challinor 41 for GP, Matthew Scott scooping 3-27 for the winners.
Adam El-Lamie (58 no) and Simon Williams (33 no) guided Denbigh seconds to 135-5 off 45 overs at Pontblyddyn seconds, Daz Wilcock an impressive 2-17 from 10 for Pont.
The home side reached the winning post at 138-6, Gethin Thomas 35 no and Tom Dawson 34 for a 12-3 result.
Pwllheli seconds achieved a corking four-wicket win at Mold seconds.
Ewan Hill struck 74 in Mold’s effort of 161, Kalim Al Baloshi 4-40 for Pwll, who then reached 166-6, Rhys Griffiths 62 and Jayakanth Zupudi 41 no for the visitors, Josh Jones 3-27 for the losers.
Leaders St Asaph seconds remained on the winning trail, beating Mynydd Isa and Maeshafn by six wickets at Elwy Park Grove.
Mynydd set a useful 212-9, Stuart Applewhite 65 no and Cameron Roche 52, Michael Snewing a very good 4-28 from 10 for the hosts.
Skipper Ben Murphy hit 72, Paul Fleming 46 and opener Andy Mearns 33 as Asaph made it to 213-4 off 41.1 overs.
Conwy seconds won the tussle of the top two at Caernarfon by a 14-1 points margin.
The Cofis posted 171-4, Ian Morgan 66 no and Grant Peisley 51, then Andrew Davies cracked 80 and Richard Williams 66 no as the visitors reached 172-2 off 35.4.
Bethesda seconds also enjoyed a 14-1 decision, scoring 108-1 in response to Marchwiel and Wrexham seconds‘ 107-9.
Imran Mohamed claimed a brilliant 3-7 off nine overs for Pesda, Nathan Goodright 3-12, Matthew Lewis 37 for the travellers.
Goodright was 58 no and Geraint Jones 30 no as the hosts took 31 overs to make 108.
Ruthin seconds eased to a nine-wicket victory at Halkyn seconds.
Nine-player Halkyn were all out for 80, Mike Evans 5-26 for the visitors, who replied with 81-1 in 16.4 overs, Murray Whitehead posting 43.
Llangollen defeated Dolgellau seconds by four wickets, 137-6 playing 136-6.
Skipper Richard Rees ended up 63 no for Dol, Kamran Hassan best with 32 for Llan.
Ashley Cook hit a maiden fifty and a career best 83 as Rhewl set a challenging 150-6 at home to Llandudno seconds, Oliver Hughes 3-26, but Tudno breezed to a winning 151-2 in only 20.3 overs in response, Tom Bleasdale with a match-clinching 80.