The seventh-placed Spireites host the Cards on the final day of the season this Sunday.
A win or a draw will be enough for Town to guarantee a top seven finish and a shot at promotion.
They could also finish sixth but they would need to win, Grimsby Town to lose and there to be a four-goal swing.
But a defeat against Woking and a win for Dagenham and Redbridge at home to Wrexham would mean Chesterfield would miss out altogether.
The Blues have lost their last three so the starting line-up is a big talking point ahead of the weekend. Here’s the XI our reporter Liam Norcliffe would pick...
They could also finish sixth but they would need to win, Grimsby Town to lose and there to be a four-goal swing.
5. Jeff King - RM
He has been one of Chesterfield's most creative players this season although his form has dipped recently.
Photo: Tina Jenner
6. Manny Oyeleke - CM
He went off at half-time against Torquay so it depends if he is fit or not. But if he is, he has to start.
Photo: Tina Jenner
7. Saidou Khan - CM
He didn't train much last week in the lead up to the Torquay match which is why he was on the bench. He will surely be pushing for a start if he has trained regularly.
Photo: Tina Jenner
8. Alex Whittle - LM
He has been struggling with a groin injury but will hopefully be able to play.
Photo: Tina Jenner