Athletic beat Pontyberem 14-3, while league leaders Dunvant had their game postponed due to the bad weather, and second-placed Loughor could manage a 3-all draw at home with Corus.
Carmarthen back-rower Nick Morris grabbed the only try of a dour game, and there were only two first-half penalty goals to trouble the scorers at Loughor, where Peter Smiriglia and Rod Williams exchanged goals in a costly draw for the home side.
Felinfoel crept further away from the highly competitive drop zone with their impressive 28-9 home triumph over fourth-placed Banwen, while Gorseinon jumped to fourth from bottom with their 27-12 home win over Kidwelly.
Penclawdd became only the second team to travel to north Wales and beat last season's northern champions Llangefni in the league this season as they ran out 23-9 victors. The first v third clash in Division 3 West moved Penclawdd 11 points clear of Llangefni.
Newcastle Emlyn made it 20 straight defeats for Hendy as they beat the basement side 22-0, while Lampeter sneaked a 10-7 verdict at
Laugharne to leap-frog Pembroke Dock Quins in the table following their 17-10 home defeat by Aberystwyth.
The top four sides in Division 4 West all came out on top to ensure the battle for the title will continue to the end of the season. Leaders Portarddulais were comfortable 25-5 winners over bottom-of-the-table Llandybie at home, second-placed Ammanford were too good for
New Dock Stars, winning 22-7 on the road, and third placed Llandeilo beat Cardigan 15-3. Neyland remain in the hunt in fourth, 11 points off the leaders, thanks to their 24-0 away win at Crymych.
The battle for the title in Division 5 West continues with leaders Llanybydder putting Furnance to the sword 55-0 and their nearest rivals Burry Port doing almost the same at home to Bynea, winning 32-0.
In Division 5 South-West, none of the top six sides picked up a victory on a day of rain-induced shocks. League leaders BP Llandarcy suffered only their second defeat with a 28-27 reverse at Neath Athletic, while second-placed Ystradgynlais drew 0-0 at home with Porthcawl. Fourth-placed Cefn Cribbwer were beaten 15-8 at Cwmgwrach.
The SWALEC semi-final draws threw up some mouth-watering clashes in the Cup, Plate and Bowl as the 12 teams aim for the Millennium Stadium Finals Day. All the semi-finals are to be played on the weekend of April 12.
Welsh whistler Rhys Thomas continues to scale the heights of the game as he prepares to be an official in this weekend's Hong Kong Sevens tournament, undoubtedly the showpiece event on the World Series calendar.
Wales International Ian Evans and Wales and Lions legend Scott Quinnell swapped rugby balls for paint pots at Tonna during the RBS 6 Nations. They surprised club players with a special clubhouse makeover to launch NatWest RugbyForce 2014 - a programme developed in partnership with the WRU to make rugby clubs stronger businesses by improving and renovating their facilities with the support of volunteers and the local community.
Fresh from claiming the Bowl honours in Tokyo last Sunday, the Wales Sevens squad have settled into their routine as they prepare for this weekend's Hong Kong tournament where Iolo Evans is aiming high, as WRU TV's Graeme Gillespie discovers.
The Welsh Rugby Union has recently teamed up with Prostate Cymru to help the charity launch its latest campaign to raise awareness of the disease. Members of the Wales squad helped produce a short video and promotional material for the campaign titled 'The Best Defence - is to know the FACTS'.
Defending champions Coleg Sir Gar reached their second consecutive Millennium Stadium final as they defeated Coleg Gwent in the WRU Wednesday Under 18 play-off. Watch highlights of their narrow 10-8 win here.
Wales Sevens head coach Gareth Williams has freshened up his squad for the next two rounds of the World Series in Japan and Hong Kong where Tom Williams, Owen Jenkins and Ross Jones make the trip along with returning Alex Webber and Craig Price.