Chelsea goalkeeper Petr Cech insists their recent losing run had nothing to do with manager Andre Villas-Boas' tactics.

He dismisses talk of tactics being the problem before Chelsea's game at Wigan today.

"The problem was that we were making too many individual mistakes," he told the Daily Mail.

"The high defensive line was not the issue. The problem was that at moments we would lose balance. We would have too many people attacking and we could not recover fast enough. Now we keep more people behind the ball. That is the major change.

"It means if we lose the ball we are now better organised. Against Valencia and Manchester City we played deeper but we did that because they played really well. We couldn't play high because we didn't have the ball. They had spells of possession and we had to organise ourselves to deal with that.

"We talked about the individual mistakes we were making and the fact that, while we were attacking really well, we were forgetting to defend. We put that right and you can see the result.

"But it's about adapting to the challenge of each game. Against Wigan this weekend it will be different to the last two games because I would expect Wigan to defend and wait to hit us on the counter-attack."