Coventry dug deep to find another level that Colchester just could not reach in a 2-0 home win, according to Sky Blues boss Steven Pressley.
City striker Callum Wilson scored either side of half-time in a game that the hosts dominated to wipe out their 10-point deduction and climb off the bottom of the table on goal difference.
It could have been more in the end, but Pressley was delighted with the attitude of his players following his call for more.
He said: "I have said to the players, although you think you have given your lot in the first six games, you can always give more.
"I said to them, 'can we squeeze a little bit more out of ourselves?' And boy did they do it.
"They took the game to another level, a great performance, against a very good Colchester side with a good manager, who has done a remarkable job there.
"So to dominate the game in the way that we did is great praise for our players.
"I just want us to get what we deserve. Often you can dominate a game for long periods and one moment, one lapse, one set-play can throw all your good work out the window.
"Jordan Clarke, in the last 10 minutes, had three successive headers in his own box and that is the type of aggression and responsibility we need to see these games through."
Coventry striker Leon Clarke hit both the crossbar and post in the opening period before Wilson converted a close-range rebound in the 37th minute.
The pattern continued after the break and Wilson added a second in the 57th minute, rounding the goalkeeper to tap in after a fantastic one-two with Leon Clarke.
Colchester were hampered by the absence of several key players, but there were no complaints from manager Joe Dunne.
He said: "I'm not going to criticise my players.
"We were patched up, Ryan (Dickson) has had to come off again with his illness, we didn't have much in terms of quality in front of their goal.
"I know when I'm beaten and Coventry were magnificent. They were better than us, in moving the ball, passing the ball. We tried to get a passing game going in the first half and they pressured us.
"We changed it in the second half, went 4-4-2, and I've never done that as a coach, we needed to get higher up the pitch because of Coventry's dominance.
"They dominated in the first half. They were better. Clarke was getting in all the time. We had a makeshift back four, but Coventry opened us up a lot.
"But to our credit we stuck at it and it was still only 1-0 at half-time."