[AusRace] Lengths per second score

[Andrew Child]

How can you consider lengths/sec without weight? Going?


On 7/05/2017 3:34 PM, Race Stats wrote:
>
> That makes sense Steve,
>
> And from what I’ve found there are so many errors, no matter what site 
> you look at, it becomes a task in vain.
>
> Sites like rwwa cris and HKJC in particular at least give some useful 
> information.
>
> Lindsay
>
> *From:*Racing [mailto:racing-bounces at ausrace.com] *On Behalf Of *Steve
> *Sent:* Sunday, 7 May 2017 1:08 PM
> *To:* AusRace Racing Discussion List
> *Subject:* Re: [AusRace] Lengths per second score
>
> Lindsay,
> My opinion is the physical length of the horse is irrelevant when 
> trying to do this
> The margins these days are a function of time as you know, so that 
> knowing the actual length of a horse is irrelevant in my opinion.
> WA will use .16 seconds per lengths(6.25LPS) regardless of going, 
> distance, speed,......................
> SA(from long ago) will use who knows what, but I figured (from memory) 
> it was anywhere between .15 and .17 seconds per length and no pattern 
> could I find, to determine why they used which.
> Did not know racing.com gave times, but just checked r8 yesterday and 
> it appeared to be circa 5.7LPS(.175SPL).
>
> Thus length margins are a pain in the arse, because they mean 
> different things depending on where.
> I spent weeks, years back studying this, looking for a pattern, so 
> that I could transpose lengths back to times everywhere, but it was 
> not to be
> All because those geniuses at the data repository, had empty fields 
> for the individual times(yes they had a field but it was unpopulated, 
> or so I was told by the guy responsible!!)
>
> Roughly....the shorter the distance then the more metres to a length.
> From WA data only where it is .16spl
> 1000M a length is about 2.64 metres when related to times
> 2400 its about 2.44m
> the bigger the margin, then the smaller the length per metre value, 
> except for the small margins <.5 where the errors are necessarily larger.
>
> And all because they won't give accurate times, from which they derive 
> the inaccurate margins.
> They seem to think inaccurate margins is all the long suffering 
> punters deserve!
>
> SteveB
>
> On 07/05/2017 12:19 PM, Race Stats wrote:
>
>     Hi Tony,
>
>     There are sites which list the times for all horses in a race, racing.com, rwwa etc.
>
>     So you can actually work out if a horse is beaten a length, the time per length including sectionals.
>
>     I know you accept that 2.75 metres is the average and industry standard, but the error margin is great when you break it down into age and size.
>
>     We're looking at seconds, so it's critical that the horse's length is  accurate.
>
>     In other words you could use your calculations to get raw figures and then compare them with the times at those sites to see the accuracy.
>
>     Maybe you've already done that though ;)
>
>     Not criticising your methods, just trying to open the discussion up a bit.
>
>     Lindsay.
>
>     -----Original Message-----
>
>     From: Racing [mailto:racing-bounces at ausrace.com] On Behalf Of Tony Moffat
>
>     Sent: Friday, 5 May 2017 5:01 PM
>
>     To:racing at ausrace.com <mailto:racing at ausrace.com>
>
>     Subject: Re: [AusRace] Lengths per second score
>
>     -----Original Message-----
>
>     From: Tony Moffat [mailto:tonymoffat at bigpond.com]
>
>     Sent: Friday, May 5, 2017 10:01 AM
>
>     To: Racing<racing-bounces at ausrace.com> <mailto:racing-bounces at ausrace.com>; Racing<racing-bounces at ausrace.com> <mailto:racing-bounces at ausrace.com>
>
>     Subject: Lengths per second score
>
>     There has been some queries off the list regarding this.
>
>     It was first mentioned in Sydney Cup re-run post.
>
>
>
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