Chester moved two points ahead of Newcastle at the top of the BBL Championship, beating Plymouth 91-65. The Jets outscored the visitors 30-10 in the fourth quarter, closing with a 14-2 burst.
Calvin Davis led all scorers with 26, while Trey Moore scored 11 of his 25 points in the decisive final period.
Elsewhere, London beat Birmingham and remain tied for third with Sheffield, who edged out Thames Valley, while Milton Keynes overcame Scottish Rocks.