Hull City boss Liam Rosenior said their draw with Birmingham left him the angriest he has been since taking over 16 months ago.
The sixth-placed Tigers dominated but had to settle for a point after Lukas Jutkiewicz's late leveller for the visitors.
"This is the most angry I've been because we've thrown points away," he told BBC Radio Humberside.
"I'm really disappointed as we should have been out of sight at half-time."
Rosenior added: "There was a lack of ruthlessness from the positions we got into and this isn't the first time.