Bermuda’s Nahki Wells struck his 22nd goal of the season in promotion-chasing Bradford’s 2-2 draw at Chesterfield.Chesterfield began on top, but were behind when Wells fired home from 15 yards for his fourth goal in three games.Tendayi Darikwa pulled the hosts level from Marc Richards's cross, but the Bantams were ahead again when Ricky Ravenhill's drive flew into the net.However Sam Togwell scored in injury time to keep his side's hopes of the play-offs alive.Chesterfield are now four points behind Bradford, who hold the final play-off berth, with both sides having three games to play.