Cleator Moor defender Reuben
Butterworth headed in his side's second two minutes from time, but Shelley held out for a deserved victory.
Curtis Round had an effort cleared off the line, but Callum Martin levelled when he was in just the right place to stab the ball home after
Butterworth headed against the post.
Glen
Butterworth headed the visitors in front but soon afterwards Glen Taylor levelled and the Robins are now fourth-from-top, just two points behind Whitehaven, who occupy the last promotion place.
Glen
Butterworth headed the visitors in front and Glen Taylor levelled, extending the Robins unbeaten run to 12 games.
Despite losing keeper Paul Nicholls, Chelmsford led again when
Butterworth headed home early in the second half.
The Seasiders got on top though, and went 2-0 up on 50 minutes when Glen
Butterworth headed in a good cross by Liam O'Sullivan.
But Glen
Butterworth headed a goal back and Lewis Tidy got the goal of the game as the Seasiders saved face, smashing an 88th minute volley into the top corner from 35 yards.