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Symptoms of a worn chainring can include chainsuck when shifting from the large to the small chainring because the shape of the worn teeth won't let go of the chain during the downshift.

It can also include overshipped chains during upshifts as the worn teeth don't engage the chain properly.

Is it possible you installed the large chainring with improper orientation with regard to the small ring and the crankarm? There's usually an indicator mark on the outside of the ring indicating proper orientation.

At the absolute worst, you buy a new chainring and it doesn't work. So you put the original chainring back on and save the new chainring for future use. You won't have wasted any money either way.
 
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