The phrase "a chance to assert itself" is correct and usable in written English.
It can be used when discussing an opportunity for something, such as an idea, organization, or individual, to demonstrate its strength or capabilities.
Example: "The new policy provides a chance to assert itself in the competitive market."
Alternatives: "an opportunity to establish itself" or "a moment to prove itself".
This retreat gave the government a chance to assert itself.
Yet for Afghanistan, a World Twenty20 qualifier for the second time, the match Saturday is also a chance to assert itself as a true juggernaut among cricket's developing nations.
The lead role gives Mr. Day-Lewis's natural charisma more of a chance to assert itself, but his portrayal feels muffled — he's constrained by the stiff-upper-lip sentimentality of the story and the clichés of repression and nobility that Alex represents.
And she made a withering speech here in which she pronounced him "missing in action" when he had a chance to assert himself on international matters.
Not since 2007 has the government had such an opportunity to assert itself in Mogadishu.
A lingering personnel question gave Mr. Kelly a chance to assert his position at the top of the West Wing.
The 47-nation conference on nuclear security he wrapped up on Tuesday represented a chance to assert proactive leadership rather than simply showing that he is not George W. Bush.
But the mall-thronged butt of "Valley-Girl" jokes has finally had it with mockery: its residents have grabbed a chance to assert their independence.That chance will come in a ballot on November 5th on whether or not the Valley should formally split itself off from the rest of Los Angeles and become a separate city.
Last weekend's two-game sweep of the Yankees was supposed to be a launching point for the Mets, a chance to assert themselves in the National League East.
After all, he said, the data they provided was their own property, so here was a chance to assert their individual rights.
I don't see this game as being a chance to assert myself or look at it as an individual battle.
