Bitchen again.
Naturally.

Stop it Man!

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Trying to get my head around Ratings. Are there different ratings methodologies that incorporate different variables.

So one could utlise a weight rating system, class rating system and a speed rating system or are some particular ratings incorporating different portions of these?

With the Don Scott ratings i suppose I'm trying to understand what variables are included in the final rating. If this includes a points system around class and track and jockeys etc, and you wish to include other variables like a certain points for a top jockey or barrier are you double dipping?

Does this make sense?

Regards

My understanding 0f the Scott ratings is that they,ve covered EVERY aspect likely to produce a winner.
i.e Weight
Class
Field Strength
Jockey
etc

In my opinion any further refining is pointless

I just accept them as they are and generally bet to their prices on overlays.

Cheers
darky

How do you normally measure the overlay when you are normally unable to measure the price before the jump

I use Unitab FIXED around 5 - 10 minutes before the jump but then I,m on the computer all day.

Cheers

or expectation.

1 method , if you have no chance to access early markets, you will need to utilise your actual results s/r % converted to a payoff so you can measure your expectation.

Yes, you should develop a number of distinct handicapping methodologies, each race will be approached from a different angle (handicapping methodology) depending on which Factor or combination of a couple of Factors determined the Favourite in Todays race and the strength of gap over the 2nd favourite.
Then you would go about determining which of your methodologies outperforms Todays race Favourite.
This involves multivariate analysis / cluster analysis.

To use an example Moeee uses Time in his handicapping, his performance with his factor is running around the 35.2% for his top rater. Joe Public's performance is running at 34.8% for pretty much the same rated races.
So when he an the public agree he performs pretty much even, and he has to try an find overlays in a dynamic market, but when they differ and the Public's Favourite is on top either thru a Factor based on Class or Box Position he starts to have a very good edge and these are the events that become your target

This approach has its good days.

RULES
Target races with 8-11 runners.
I find these have the highest SR.

Target races where there is a 3.00+ fav in the live market.

Target Don Scott top 5 & compare prices to Betfair.

Bet 1.00 units on the Unders

Bet 1.30 units on the overs.

There will be days where there is nothing but favs under 3.00 , therefore no bet races, which can be frustrating if sitting in front of the screen all day.

There will be also days where there are heaps of 3.00+ favs.

This is where the discipline thing comes into it.
Its the short priced favs winning all day, that will kill the idea
Puntin for profit aint always easy.

Example
Wed 23rd May
Sand R3.
No.----Don Scott---Live Mrk---Bet
2------3.30----------4.40-----1.30
4------4.80----------4.80-----1.00
8------6.50----------20.10----1.30--Won 20.10 x 1.30=Ret 26.13
6------13.00---------5.70-----1.00
9------16.00---------14.70----1.00

Ret 26.13
O/L 5.60
Prof +14.50

If the fav had won, we would have broke even in this instance.