Helston are through to the semi-finals of the Vinter Cup following a 12-run victory over Beacon.
The Division Two side scored 126-6 in their 20 overs, before restricting Beacon to 114-9 in reply.
Vinter Cup holders St Just take on Redruth in the third quarter-final on Wednesday evening.
In the Hawkey Cup quarter-finals, Menheniot and Looe beat Gorran by 57 runs, while Werrington won at St Austell by eight runs.
Callington's match against Roche was abandoned because of rain with Roche on 81-2 from 12 overs after Callington had made 132-5.