Defending champions CIYMS went clear at the top of the Robinson Services Premier League with a five-wicket win at home to Carrick, while CSNI won at Muckamore in the two games to survive the weather.
Chris Dougherty's unbeaten 55 saw him add 89 for the fourth wicket with Ryan Hunter (44) as the Belmont side eased to their modest target of 142.
Earlier skipper Nigel Jones (2-16) had claimed the prize scalp of Jacques Snyman as Carrick slumped to 46 for 4, before mounting a solid recovery.
Alex Haggan (37), Jamie Holmes (27) and Harry Warke (24*) all among the runs.
At Moylena, a half century from Marc Ellison saw CSNI win by 43 runs (DLS) against Muckamore.
Batting first Muckamore got off to a fine start with David Miller (55) and Adita Adey (25) sharing an opening stand of 76.
Fahad Iqbal hit 38 but the innings lost its way as they finished on 162 - three wickets apiece for Andre Malan and Morgan Topping.
Ellison struck 6 fours and 2 sixes in his 64, adding 55 for the opening wicket with skipper James Kennedy (31) and an unbroken 82 for the second with Andre Malan (36*).
PREMIER SCORECARDS, TABLE, REPORTS AND PHOTOS