Exeter City suffered their fifth home defeat of the season tonight.
The Grecians lost 2-0 against Chesterfield - conceding both goals in the second half.
The result sends the visitors to the top of the table for 24 hours at least.
In tomorrow's League Two games, Torquay United travel to Dagenham and Redbridge, while Plymouth Argyle host Bury. In the Championship, Yeovil Town entertain Blackburn.