Sir Alex Ferguson admits Manchester United's 0-0 draw with Blackburn at Ewood Park is a "fantastic result" for Premier League leaders Chelsea.
United, without the injured Wayne Rooney, relied on Dimitar Berbatov in attack but the best two chances of the game fell to Antonio Valencia in the first half.
Chelsea, who beat Aston Villa 3-0 at Wembley on Saturday to reach the FA Cup final, now lead the table by one point with a game in hand over United.
Ferguson said: "That's a fantastic result for them (Chelsea). They've got a home game against Bolton on Tuesday which they will be expected to win."
Ferguson rued the missed chances, particularly one by Valencia just before half-time.
He added on Sky Sports News: "He should have scored. It was a golden chance and at a good time, five mins before half-time.
"We had the chances in the game. We dominated possession but you have to create those chances and take them.
"It's always a difficult place to come to for anyone. We should have done better."
