Bolton manager Owen Coyle lamented his side's second-half display following their 3-0 defeat at Chelsea.
Goals from David Luiz, Didier Drogba and Frank Lampard in the second period saw the home side ease to victory, with Bolton still mired in the relegation zone.
Coyle was happy with the start his players made at Stamford Bridge, but was annoyed with the defending after the break.
He said: "I don't think the first goal killed us, I think for the five or 10 minutes after that we looked most threatening.
"But goals change games. We worked very hard and I feel we dealt with them with a degree of comfort. My disappointment is in the goals we've given up.
"The first goal we had possession and we've gifted it to them, David Luiz steps into the play. He had a kind break to him but it was an exquisite finish.
"We opened up a little bit more, chasing the game, and had one or two half-chances from the edge of the box.
"The second goal, from a corner. We've got designated markers and we've allowed a free header. So that's my disappointment for the second half."
On the pressure surrounding his opposite number Andre Villas-Boas, Coyle believes the Portuguese coach has a long-term vision for Chelsea.
He added: "There's no doubt he's talented in what he does and he'll come through the other side."