Inter have had a difficult tour of the US.
"We're concentrating on taking on board the Coach's methods and instructions and I'm sure we'll see our work bear fruit when the points start to matter," said Chivu. "Mazzarri is very experienced and very scrupulous.
"We'll soon be back to where we deserve to be, challenging for the top positions. In the meantime we're trying to make the most of the pre-season to get ourselves ready."