The main differences are it will be set in an actual restaurant, diners will have to pay and the contestants don't live together ... all to cost cut
Marco will be back, not too sure about Claudia. But it isn't the first time it has been axed and the article suggests it might be back again at some point
It will also be weekly and will no longer be live.
http://www.thesun.co.uk/sol/homepage...-the-chop.html