Need some help with variable and/or condition.

I'm wondering if someone can help.

I've been trying to come up with a variable or condition in horse racing that will tell me how many selections would be included at certain 'back book from top %'. Naturally they're all included if you were to set it at 110% but i only want to know the number of selections at whatever % i choose.

Any help is greatly appreciated.

Hello!

MF Pro has a set of special Selection conditions for this:

Quote

33Back Book% from Top
Checks whether the selection falls into the list of selections that form the specified back book%. The program adds up all chances of winning (100.0/back price), starting from the favourite. Once it adds the chance of the current selection, it stops and checks whether the obtained figure satisfies the selection.

Lay Book% from Top
Checks whether the selection falls into the list of selections that form the specified lay book%. Is identical to the previous parameter, but works with lay prices.

Back Book% from Bottom
Checks whether the selection falls into the list of selections that form the specified back book% in reverse order. The program adds up chances of winning starting from the selection with the highest price. Once it's added the chances of the current selection, it stops and checks whether the obtained figure satisfies the condition.

Lay Book% from Bottom
Checks whether the selection falls into the list of selections that form the specified lay book% in reverse order.

The quotation was from the manual.

Hi
Following on from determining selections in the back book from the top, the number of selections will be returned in the variable matching_number.

you would this in a condition after the back book from top condition, for example:
and selections trigger expression matching_number is less than runner_number-2

Thankyou very much for your help, this is working a treat. Really do appreciate it.

Need some help with variable and/or condition.

Hello Guest