## [hockeydisk] More on the hidden ratings

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• I really want to understand how APBA s shot-taking/goal-scoring process works. As the FACEOFF main programmer, I understood how that system worked. And I
Message 1 of 3 , Jul 6, 1999
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I really want to understand how APBA's shot-taking/goal-scoring process
works.
As the FACEOFF main programmer, I understood how that system worked.
And I thought I understood how the APBA system worked since some of the
ratings appeared to be similar. But with the addition of the hidden
ratings into the formula, I just don't get it anymore.

Could someone give a brief overview of the ratings that come into play
when a player decides to take a shot (or the computer decides for him!).

As I understood it, the Shot% was the percentage chance that a shot on
net would actually have a chance of scoring. So, Saku Koivu with his
19 would have 19% of his shots be good scoring chances and require a
goalie save. The other 81% of the time his shots wouldn't be scoring
opportunities. This is a simplistic view of how FACEOFF did it.

I've always glossed over the SOG+ rating as I never really understood
how that fit into the equation. Now with the revelation of the hidden
ratings, I'm even more confused! 8-)

If someone can lead me by the nose into how the shot/goal process
works, I'd be ever so grateful. Here are Koivu and Thibault's ratings
so that you can use a real-life example.

Koivu: Shot% 19 SOG+ 24. SG-65 WD-9 DF-6 DP-19
Thibault: SVPCT 0.902 SR-7 SV-44 CL-3 GL-45

Oh, and by the way, can someone verify that I have the hidden rating
abbreviations deciphered correctly (and tell me what DP means)?

Skaters- SG Shot on Goal, WD Wide, DF Defender Steal DP ???
Goalies- SR Save w/rebound, SV Save w/faceoff CL Save w/clear GL Goal

Finally, why do the hidden ratings only add up to 99??? 8-)

Jean Duteau
RHL Commissioner

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• I doubt anyone can take you through step by step on what ratings come into play and how. Dave s the only one with a reasonable chance of knowing what s
Message 2 of 3 , Jul 6, 1999
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I doubt anyone can take you through step by step on what ratings come into
play and how. Dave's the only one with a reasonable chance of knowing
what's involved, but even if he understands it I doubt he'd be inclined to
make that information public. It's APBA's intellectual property.
Explaining what the ratings mean is one thing, but explaining how they all
fit together and what goes on under the hood is another.

SOG+ is a "bonus" that comes into play on excellent scoring chances, the
player's ability to convert rebounds and breakaways I think.

I've gone about as deep as I can go into the hidden ratings. Not sure why

Jeff

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• ... into ... inclined to ... they all ... Before I continue, I should make it clear that I no longer have any affiliation with FACEOFF. So I m not out to
Message 3 of 3 , Jul 6, 1999
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> I doubt anyone can take you through step by step on what ratings come
into
> play and how. Dave's the only one with a reasonable chance of knowing
> what's involved, but even if he understands it I doubt he'd be
inclined to
> make that information public. It's APBA's intellectual property.
> Explaining what the ratings mean is one thing, but explaining how
they all
> fit together and what goes on under the hood is another.
>
Before I continue, I should make it clear that I no longer have any
affiliation with FACEOFF. So I'm not out to steal any intellectual
property or anything like that. In fact, I don't even want that
in-depth information and can totally understand the limits that Dave
and others would be under given that it's APBA's property.

But I'm not asking for that. I, for one, will be very interested in
Jeff's "essay" 8-) on what each of the ratings affects in a global
statistical sense. I don't want Dave to tell me in detail where in the
source code a check for a player's speed occurs. But I'd like to know
what activities a high speed will help (and a low speed will hinder).

In terms of the shooting process, I think a global look at how
shots/goals work would be much appreciated. We now have 11 ratings
that affect the shot process: the player's SHOT%, his SOG+, the
goalie's SVPCT and the 8 hidden ratings. What does each of these mean
to a GM or coach of a fantasy team?

APBA and HLS2 have always suffered in my books because they had these
different ratings but didn't have sufficient documentation of what each
rating actually affected. If someone has done some physical research
(like Jeff) and can tell us, or if one of the programmers (like Dave)
can summarize this information, I really feel that it can only help the
APBA community.

To make this note even longer, over 8 seasons of APBA hockey, I'll give
another example. I've come to look for high Skating and Forechecking
forwards without regards to their speed, physical, or intimidation
ratings. I have an idea of what kind of player this is since I have
obvious examples (Saku Koivu, for instance). But I have *no* idea in
terms of game mechanics what I'm doing to my team. Someone clue me in!