SEOCO owns the domain wgc2015.com.au. Acronym domains are good for branding and instant recognition. Other cannot infringe on your domain name since it is unique. The casual internet browser will not easily confuse your domain with any other. And if other try to mimic your domain to leach on your brand name, you have a stronger copyright case against them due to the uniqueness in your domain. They cannot argue that your acronym website is a dictionary word etc.
Possible uses for wgc includes:
World Games Council
World Gold Competition
World Golfing Championship etc