OK, let's talk BCA.
Snapshot9 said:
I think the BCA advanced league is the best league.
BCA uses 75 point scoring system for 5 man, 60 for 4 man.
VNEA did use a 10 point scoring system per game, 13 handicap system.
APA did use a 7 point, 9 for 9 ball.
In playing in the BCA, when you play a 45, he is a 45.
I've played in a couple of BCA and BCA like leagues and none of them utilized any rating system anywhere near what you are proclaiming...
Please elaborate on how the BCA rating system that you're referring to works. Are you just referring to 1 point for each ball, thus 15 points total? Every ball you make is a point for you, 8 total if you make the 8 ball, plus the points for the opponents balls left on table? Thus each player playing everyone on the opposing team 1 game only would be the 60 or 75 points that you're referring to.
Based on what you're describing, if a 55 plays against a 10, what are the realistic chances that the 10 will have to win?
Note: Not referring to theoretical chances (i.e. everyone has a 50% chance).
Plus, if your opponent gets the break (usually through a random factor of chance, rather than lag) and breaks and runs out, then you will automatically be docked 15 points from your total possible rating, through no lack of skill of your own.
If this is the rating system that you're touting / referring to, then that isn't a handicap / rating system at all, instead it's a form of statistical accounting. Not saying that anything is wrong with that. It has its benefits under the right context...
For example, in bowling if you average 200, and your opponent averages 100, then the rating system would take the difference of skill (100 pins in this case) and mutiply by an equalizing factor (i.e. 90% would equal 90 pins in this case).
Because, if these two players played a heads up, even game, then they'd both have a theoretical 50% chance of winning, yet the stronger player would win over 99% of the time. Not much point in even playing the game, when the outcome is that pre-determined. In this case the skill difference would only be used for statistical purposes.
But instead, bowling leagues usually utilize the handicap system, whereby the lower player would be granted 90 pins bonus, before they even start. Thus
Strong Bowler __ Weaker Bowler _ Outcome
above average vs below average = stronger bowler wins guaranteed
below average vs above average = other bowler likely wins
below average vs below average = either bowler could win
above average vs above average = stronger bowler still likely wins, with rare exceptions
Makes the match more challenging, encouraging the weaker player to continue playing and allowing the player to be competitive while improving.