Where do you live? There might be a good instructor in your area who could check your fundamentals.
Some leagues are better than others. If you aren't playing at least half the time you are at the venue, the main value will be social. If you get pointers in league, filter them very carefully...
Rankings are fundamentally different from ratings. And each ranking system does its own thing.
Who has performed best in a particular limited set of recent events? Look at the ranking.
Who is the most skilled based on all the data available, without weighting specific recent events? Ask a...
It's really hard to make perfect clues. Sometimes puzzle makers get lazy.
Well, it's quick to send the image to your printer, but then you'll need a pen. Pencils are cheating.
But they can become counterfeit when someone who has bought Aramith Black balls puts the Dongzhou Feima balls into the box and sells them for $250 as a slightly used set. That happened to a local room. Beyond that, I hope that Aramith has design patents on both the black caps and the...
Under the World Standardized Rules, there is no "turning back" or "turning over" except on a push out. You must shoot a shot when it's your turn.
Edit: at ten ball, you can force the opponent to shoot again if they pocket an uncalled ball but don't pocket the called ball.