not a good sign that the dates are wrong, e.g. "Thursday, Sept 14"
http://www.chessinvegas.com/worldwide-challenge.htm

also, how much chess can vegas support? goichberg is already upping the
ante at the north american open.

but they are claiming support from ashley and hbfoundation which i'd
expect will publicly disavow if it aint so.
http://www.chessinvegas.com/advice-section.htm