Right.  ADMIN has also told us (in their usual convoluted way) that the more pitches a guy has, the more effective he will be.  So a guy with three good pitches and one (or two) mediocre pitches could be slightly more effective than a guy with only three good pitches.  I believe the cut-off for when a P4 or P5 is weak enough to be detrimental is somewhere around 30.

Posted by tecwrg on 6/7/2012 2:39:00 PM (view original):

Posted by rangerup on 6/7/2012 2:00:00 PM (view original):
The way the engine views pitches may explain why this guy Hardball Dynasty – Fantasy Baseball Sim Games - Player Profile: Sterling Steele  (weighted avg 70.75)while clearly looking like the better pitcher, is not quite as productive as this guy Hardball Dynasty – Fantasy Baseball Sim Games - Player Profile: Deivi Guerrero  (weighted avg 70.25) who both play on the same team of mine.  Although their avg is very close.

Deivi's P1 rating (and maybe groundball efficiency), coupled with a slightly less rating on subsequent pitches more than compensates for Steele's P4 rating and overall much better ratings elsewhere.

I don't think you understand what a weighted average is, since you are just adding their P1-P4's together and dividing by 4.  That's a straight average, not a weighted average.

A weighted average might be something like ((P1 *.4)  + (P2 * .3) + (P3 * .2) + (P4 * .1)), such that P1 is weighted more heavily than P2, and so on.  I'm just guessing at the weights, we don't know what the actual weights would be in the sim (if they even do it that way).  I would also guess that all the weights would add up to 1.00.

But using that formula as an example, the two pitchers weighted average would be:

Steele: 69.9
Guerrero: 75.6

In that case, Guerreo's weighted pitches are noticibly higher than Steele's, instead of how you calculated them with Steele's pitches slightly better than Guerrero's.

To your point about what the weights actually are; I've always taken the stance that a catcher's PC has something to do with how that weight gets thrown around.  But that is a different conversation all together.