Analysis of information sources in references of the Wikipedia article "Professional Rapid Online Chess League" in English language version.
The Professional Rapid Online (PRO) Chess League is the combined vision of what the USCL and Chess.com see as the future of high-stakes, top-level, entertaining chess. Unlike its predecessor, the USCL, the PRO Chess League will have faster time controls, provide more flexibility in forming and managing teams, and allow for "free agent" acquisitions from all over the world. The fundamental goal will remain promoting the growth and togetherness of the... local community chess clubs.
While it's hard to say whether chess will ever become as popular as major sports, I wouldn't be surprised if the PRO Chess league creates a popularity surge in chess in the years to come.