I tried creating an app for Apple's app-store. The name I want is "Chess". Unfortunately it was in used. Okay, fair enough. But I can count at least six apps in the app store using the same name. If someone else can duplicate a name, why can't I?
closed as off topic by GlenH7, Thomas Owens♦ Feb 10 at 14:14
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Instead of trying to work around Apple's decision, choose a unique name.
What is your goal? Presumably it is to sell your application, or at least give it away so people can enjoy it. If you use a name that is already being used, you lessen the chance that somebody will find, buy, or download your game. It will be harder for them to find, and harder for them to tell their friends about. Even if they search for "chess" and your game shows up, people may very well choose one of your competitors with the same name without realizing it.
The name of an app serves a purpose. It lets people find it. It lets them discuss it. It lets them easily share with others. Isn't that what you really want? So, think about what your true goal is, and do things that get you closer to that goal. In this specific case, pick a unique name.