Table-toppers Chorley were stung by two late goals in their crunch game against FC United drawing 2-2.
James Dean had given Chorley the lead from the penalty spot before Josh Hine doubled the lead in the second half.
But with seven minutes remaining Charlie Raglan pulled a goal back for FC United before goal machine Tom Greaves drew the sides level.
Both sides were reduced to 10 men with Darren Stephenson and Greg Daniels both seeing red.
It was the home side who had the first effort on goal playing in front of an magnificent 4152, after attempted clearances by Keil O’Brien and Andy Teague, Matthew Wolfenden pounced on the loose ball and volleyed an from 20 yards only to be denied by the post.
Minutes later, the Magpies registered their first attempt on goal but Hine could only shoot straight at David Carnell.
Callum Byrne then stung the palms of Sam Ashton while at the other end Hine’s cross was cleared by Matthew Raglan.
Darren Stephenson then picked up on a loose ball and after surging into the penalty area he was hacked down by Lee Neville and after consulting with his assistant, referee Peter Gibbons pointed straight to the spot.
Dean stepped up and as calm as ever slotted the ball in the left hand corner sending Carnell the opposite way.
Stephenson and Hine proved threats down the wings all half for the Magpies while at the other end Wolfenden and Byrne both lashed efforts wide of goal.
Five minutes before the break, Jerome Wright latched onto a Byrne through ball but the former failed to beat Sam Ashton from an acute angle.
Chorley were then reduced to 10 men on the stroke of half-time, Stephenson tangled with Wright and after consulting with his assistant referee Gibbons sent the former off for an apparent arm to the face.
Buoyed by a strong crowd, the home side strongly in the opening stages of the second half, Norton and Byrne both having shots blocked inside the area.
Liam Brownhill then forced Ashton into a save at his near post as the home side continued to bombard the Chorley goal.
Then completely against the run of play, Mark Ross launched a throw into the area which bounced over the head of Stott and waiting in the area was Hine who lashed the ball past Carnell to send the travelling Chorley fans wild.
The home side still continued to pile on the pressure, Neville having two efforts saved by Ashton.
The pressure finally told with seven minutes remaining, after attempted clearances by the Chorley back line, Raglan was free inside the area volleying home from 12 yards.
One minute later, FC were level, again failed to clear the ball and the ball fell to Greaves who with the outside of his boot curled an effort past Ashton.
Ashton then clawed a Daniels off the line in stoppage time, as FC pushed for a winning goal.
Daniels was then sent off in with seconds remaining but Chorley held on to seal an all important point.
Chorley : Ashton, Ross, Cartwright, Teague (c), O’Brien, Cottrell, Hine (Dorney 71), Vermiglio (Woolcott 70) , Dean (Roscoe 87) , Whitham, Stephenson
Subs not used: Nicholson, Jarvis