Burnley boss Sean Dyche struggled to explain his side's spluttering display after a 1-1 draw at home to Barnsley.
Charlie Austin had given the hosts the lead with his 26th goal of the season but were denied the spoils in the final minutes when half-time substitute Tomasz Cywka fired in the equaliser.
The point left Burnley eight points adrift of the play-off spots and Dyche said: "The performance was patchy.
"There were parts I was pleased with and we started very brightly but the interesting thing is, we have gone 1-0 up and there is an edge and that can affect the players.
"There were a number of players who haven't played and they have gone in and put a real shift in on Saturday and they maybe looked a little tired but we felt they deserved a chance to go again because we want that competition in the group.
"Most of Barnsley's play came because they were given a lease of life. Not one lease but three. When it is like that, the players are not stupid and they think they have a chance.
"The game should have been done. Decisions change the outlook of the game and I can't do anything about it."