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Old 01-27-2012, 02:09 PM   #14
TrifectaMike
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Join Date: Feb 2008
Posts: 1,591
Pen and paper just won't do, unless you keep it simple and very basic.

Here is a rating which I have developed.

S-Factor = (Phi/n) *(Pr/Pl) *e^(A*F/n + B* R/nr)

I doubt anyone would want to use pen and paper to compute an S-Factor rating for each horse. Also some analysis is required to determine A and B. ...one can get very old fast doing analysis without a computer.

Alright what are the variables for the S-Factor?

Phi - Horse's odds in last race
n - # of runners in last race
Pr - Today's race purse
Pl - Purse last race
e - exponential function
^ - raised to the power
A - Constant to be determined
B - Constant to be determined
F - Finish in last race
R - Rank of average speed rating for the last two races
nr - # of runners in today's race

S-Factor -> The lower the better the rating.

How good is it? Test it yourself.

Mike (Dr Beav)
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