Version 6.1 with Jockey Silks

Oxa / Welldone,

Thanks - brilliant work - so much more to work with now - how can we not make a profit ?     And you've been very responsive to all our requests.

Can I ask, in the manual I see there are two bits of 'Silk' info:

silk_numerator integer           The forecast price numerator.
silk_denominator integer        The forecast price denominator. 

I cannot get on BF just now to look, but where do these forecasts come from - I did not see them last time I looked there.

Hi Alfaman,

If I understand right: (silk_numerator/silk_denominator)+1 = Betfair Forecast Price (decimal).

I think it makes sense to change these variables to "silk_forecast", then we don't have to do the extra calculation in our formula. It does not make sense to use "silk_numerator" or "silk_denominator" as a stand alone.

I believe the ratings are computed by Timeform and the sum of all forecast prices will be 100%, i.e. no overround included.

These forecast prices are also the base for the  Betfair reduction factor calculation. Note: Forecast prices (and therefore also reduction factors) might be adjusted during the trading session prior to the off.

You can find the Betfair forecast prices at the Betfair site. Select a horse race, then click "Race Card" and after that click "Form/Results".

Cheers,
bamthwok

Thanks bamthwok,

That makes sense. 

I wonder if you agree with me that it would also make more sense if "silk_form_index" counted from right to left rather than the other way around as at present.

If you want to refer to the most recent result it is hard (I can't think how at the moment - any suggestions ?) whereas if it was from R-L it would be _1 for the last race, _2 for the second to last etc.

Regards, Alfaman

Thanks bamthwok,

That makes sense. 

I wonder if you agree with me that it would also make more sense if "silk_form_index" counted from right to left rather than the other way around as at present.

If you want to refer to the most recent result it is hard (I can't think how at the moment - any suggestions ?) whereas if it was from R-L it would be _1 for the last race, _2 for the second to last etc.

Regards, Alfaman

I was thinking about exactly the same: how to get the result of the last race within the form string. It is is easy: just try the following variable:

"silk_form_silk_form_length"

That should do the trick!

Cheers,
bamthwok

Bamthwok,

I thought about that, but would that make the race before last:

silk_form_(silk_form_length-1) 

but would this work because I have got into trouble before using brackets within expressions such as this - or was that double brackets perhaps ?

Thanks
Alfaman

Bamthwok,

I thought about that, but would that make the race before last:

silk_form_(silk_form_length-1) 

but would this work because I have got into trouble before using brackets within expressions such as this - or was that double brackets perhaps ?

Thanks
Alfaman

Mmmmh,

it should work that way but it doesn't

Also I realize that all the silk variables does not seem to work with Excel Custom Cells.  Maybe Oxa can look into this

However, your proposal to count from right to left certainly also makes sense!

Cheers,
bamthwok

I agree with the suggestion to count from right to left.

Anyway, tell me what you are trying to achieve when addressing the form's letters, and I'll try to suggest an alternative way to do it until I make the next update.

As for whether silks variables don't work with Excel - mine actually do! Can you give me an example of what exactly is not working?

I was just trying to refer to the position in the last three races e.g. not first lor second last time out, not first second to last time out and not pulled up in the last three races.

Thanks

Alfaman

I could imagine to write a trigger, where I want that all runners to have at least 5 results in their form, and within their last 3 races they should have finished better or equal to 3rd position. If all conditions are met then back in the place market!

Whatever it is, I always would look at a number of last races!

Cheers,
bamthwok

I agree with the suggestion to count from right to left.

Anyway, tell me what you are trying to achieve when addressing the form's letters, and I'll try to suggest an alternative way to do it until I make the next update.

As for whether silks variables don't work with Excel - mine actually do! Can you give me an example of what exactly is not working?

Regarding Excel, I just did a quick test and created a custom cell like:

S20:1   =   =silk_form_length

In my Excel sheet I get an error: #NAME?, and I believe it should be a number???

I've made sure the formatting of the cells are numbers.

Can you give me a clue what is wrong here?