Leaders Cleve Green won all rinks defeating Arno Bay by a big margin.
Kimba Blue edged back to second place with an important nine shot win over Port Neill.
Kimba Red continued their improvement with a 15 shot win over Cowell North.
Cleve Gold defeated Kimba White by 26 shots to be only one point out of the top four.
Cowell South had a big win over Lock.
Cleve Green 124 shots for 20 points defeated Arno Bay 60 shots for 0.
Kimba Blue 96 shots for 15 points defeated Port Neill 87 shots for five.
Kimba Red 106 shots for 14 points defeated Cowell North 91 shots for six.
Cleve Gold 115 shots for 18 points defeated Kimba White 86 shots for two.
Cowell South 141 shots for 20 points defeated Lock 60 shots for 0.
The top four teams are; Cleve Green 237 points, Kimba Blue 191, Cowell North 184, Port Neill 162.