|Specsavers County Championship Division One, The 3aaa County Ground, Derby, day two|
|Essex 530-9 dec: Browne 229*, Westley 72; ten Doeschate 60, Walter 47; Milnes 6-93|
|Derbyshire 116-6: Broom 31, Walter 3-23|
|Essex 4 pts, Derbyshire 1 pt|
Essex's Nick Browne posted his second double century of the season against Derbyshire to further strengthen the Division Two leaders' promotion bid.
Having hit a career-best 255 against the East Midlanders in May, the opener carried his bat for 229 as the visitors declared on an imposing 530-9.
He shared a 140-run stand with Ryan ten Doeschate (60) and Paul Walter made 47.
Left-armer Walter then made sure Essex capitalised, taking 3-23 as the hosts closed on 116-6, still 414 runs adrift.