Arsenal boss Arsene Wenger has admitted Chelsea are in an "ideal position" to win the Premiership title as Saturday's results put them 10 points ahead.
"Chelsea can only lose it now because they have already won it," Wenger said after the Gunners lost 1-0 to Bolton and Chelsea beat Tottenham 2-0.
"It is too early to say they will never lose points - but they don't look vulnerable at the moment.
"We will keep going and fight until the last minute of the championship."
But he conceded that the defeat at the Reebok Stadium had been a costly one and bemoaned the Gunners' performance.
"I do not know how damaging this defeat is. It is a big disappointment - because we knew we had to win the game," Wenger said.
"I felt that in the first half we created the chances but we were not clinical enough.
"If you look at the possession we had in the game and they had it was appalling.
"We lacked determined effort in the final third and we didn't show great security in our defending.
"We allowed Bolton to play the game that suits them. We gave them their ideal conditions and let them play their counter-attacking football.
"They sucked us in and played the long ball, but that's the way Bolton play and they are difficult to beat here."
Despite the damaging loss, Wenger remained hopeful that Arsenal could recover and maintain their focus until the end of the season.
"We don't have to worry about Chelsea. we just have to worry about us," he added.
"We want to come back and we want to win our games. We have the spirit and desire to bounce back and we'll try to do that."