Chelsea manager Jose Mourinho was left baffled by his side's failure to make their dominance count as they slipped to a 1-0 defeat to Everton at Goodison Park.
The Stamford Bridge side had missed a host of chances, with Samuel Eto'o and Andre Schurrle particularly culpable, when Steven Naismith headed home the only goal of the game in the 45th minute.
Chelsea pushed Everton back for the vast majority of the second period but could not find a way beyond Tim Howard, despite their possession and the opportunities they created.
Mourinho told Sky Sports: "I don't know if I have to say we didn't deserve to lose, or if I should say we deserved to lose.
"We didn't deserve it (to lose) because we were the best team, because we play the best football, because we dominate the whole game, because we had 21 shots, because we risk everything we could...
"In that sense it is fair to say we deserved to win the game.
"But the other way, a team that has 21 shots, some of them easy shots and eas...