Mark Randall, Dean Holden, Aaron Downes and Dean Morgan all came through a midweek reserves friendly with Newcastle United.
They look now set to challenge for places on the bench for the weekend trip to table topping Charlton Athletic.
Morgan provided the cross for Scott Boden to head Spireites ahead before the visitors levelled. On loan cover keeper Adam Smith saved a penalty in the 1-1 draw.
The Addicks’ ticket office is currently selling around 1,500 tickets a day for the match, priced at just £5, with a crowd well in excess of 20,000 expected. They’ll be entertained pre match by Opera singer Victoria Stanyon.
John Sheridan may pick an unchanged 11 for the first time in a year as Chesterfield prepare to visit The Valley for the first time in 30 years.
n Striker Jordan Burrow, aged 19, is joining Boston United, of the Blue Square Bet North, on a month’s loan.