Fourth-placed Pill Harriers were held to a 19-all draw by Nantymoel, with 46-year-old former Wales fullback Mark Titley scoring a crucial late try for Nantymoel, but Abercynon outside-half Matthew Turner kicked five goals to close the gap on the leaders with a 19-13 result at home to Brynithel.
Risca continue to hold up the Division 3 East table as they crashed to their 10th straight loss - a 27-15 defeat at New Tredegar - while fellow strugglers Pontllanfraith recorded their first win of the season with a 32-11 result at Cwmbran. Of the five clubs who went into Saturday's matches tied on top of the table with 15 points, only Abergavenny (29-22 over Nelson) and Senghenydd (17-16 over Abercarn) recorded victories. Alun Ford scored a try and kicked
seven points in Senghenydd's hard-fought result.
Division 3 South-East leaders Pencoed lost their unbeaten record with a 14-9 loss at home to Tonyrefail, but second-placed Treherbert couldn't take advantage as they fell 17-13 at Ynysybwl. Ruthin earned their first points with a 17-all draw at third-placed Brecon.
St Peters take the lead in Division 4 East with a 23-19 win at Tredegar Ironsides, while Penarth's 27-0 win at Llantwit Major brings them right into contention in a tight Division 4 South-East table.
Machen were comfortable 25-3 winners over Bettws in the battle of the unbeaten teams in Division 5 East, although RTB Ebbw Vale's 27-0 loss at St Josephs was their ninth in a row. In Division 5 South-East, Porth are on top after a 24-14 win over Rhiwbina, but Bridgend Sports' unbeaten record crashed 14-7 at home to third-placed Cefn Coed.