Llantrisant edged closer to ASDA League One East running in six tries, Cameron Doster grabbing the last, in their comfortable 41-12 win over strugglers Abergavenny to remain nine points clear of Rumney, who have two games in hand.
Bottom side in ASDA League Two East Croesyceiliog missed out on only a second win of the campaign, 11-10 at Llantwit Fardre, despite the best efforts of Mathew Entwhistle who scored all his team's points.
Penallta are within touching distance of the ASDA League Three East crown after beating Blaina 48-0 while rivals Newport HSOB slipped up, 27-14 at Brynmawr, flanker Steve Evans scoring twice.
Llanishen clawed back three points on ASDA League Three South East leaders Pencoed. The Cardiff-club beat Pentyrch 16-14 thanks to two drop goals by Owen Jenkins while Pencoed's game at St Peter's was rained off.
Old Illtydians went top of ASDA League Four East following their 38-0 hammering over Crumlin and Abertillery BG ran in nine tries in their 51-10 win at RTB (Ebbw Vale).