Form Ratings Free Strategy Guide

# Flat Stamina Index

by Howard Clark

My RPSI/AWD distance ratings for,
Flat Racing. Group Races.
Mainly 3yo as they progress.
Stamina on Dam side 110+SI

8f=195
9f=205
10f=215
11f=225
12f=230
13f=235
14f=240

Two classy 3yo who should progress 10f to 12f.
The Euphrates. Night of the Star.

All details on Racing Post APP.

Answer: I am providing a summary and explanation (as far as I understand it) of the Flat Stamina Index as used by Howard Clark:

You have been using the Racing Post Stamina Index (RPSI) for 7 years with success in 12f races. The index combines sire and damsire SI scores to predict optimal race distance.

You prefer races with 10+ runners on turf and focus on Class 1&2 races with 3yo horses. You will share your detailed RPSI/AWD distance ratings later. Here are some notes from your message:

Interesting horses: Deauville Legend, Bohemian Breeze, Gareth, The Euphrates, Night of the Star.

Observations: Enable lost to Waldgeist, Waldgeist has an impressive offspring, R.Beckett is a good trainer.

Preferences: 10f-12f races, sire SI close to race distance, races with 10+ runners on turf, Class 1&2 races with 3yo horses.

Future plans: Share detailed RPSI/AWD distance ratings, focus on flat season starting in May.

## Flat Stamina Index

by Howard
(Uk)

For the past 7 years I have used
the racing post stamina index for 12f races with good results.

Add the sire and dam sire together
225=11f. 230=12f. 235=13f

Enable. Hurrican Lane. Alpinista.

Deauville Legend. Sweet William

Answer: It's interesting to see your approach to using the Racing Post Stamina Index (RPSI) for 12f races over the past 7 years. While adding the sire and dam sire RPSI values to estimate optimal trip lengths has some merit, there are a few points to consider:

Positives:

Simplicity: The method is easy to understand and apply, making it accessible to all racing enthusiasts.
Correlation with distance: RPSI is designed to estimate a horse's stamina potential, so there could be some correlation with optimal trip length.
Historical success: Your success over the past 7 years suggests there might be something to this approach.

Considerations:

Oversimplification: RPSI takes into account more than just sire and dam sire stamina. Training, racing history, and track conditions also play a role. This method doesn't capture those nuances.
Limited range: The 5-point range (225-235) seems arbitrary and may not translate well to all horses. Some may require even longer trips, while others might peak at shorter distances.
Individuality: Every horse is unique, and relying solely on RPSI values might miss individual strengths and weaknesses. Analyzing form, running style, and course preferences can provide a more complete picture.

Regarding Enable, Hurricane Lane, and Alpinista:

Enable: Her RPSI of 232 aligns with her success over longer distances (12f+).
Hurricane Lane: His RPSI of 228 suggests he might prefer slightly shorter trips (10f-12f), which aligns with his career highlights.
Alpinista: Her RPSI of 234 indicates strong stamina, potentially suitable for even longer trips than 12f.

Deauville Legend and Sweet William:

Deauville Legend: His RPSI of 227 leans towards 10f-12f races, which matches his past performances.
Sweet William: His RPSI of 229 suggests potential for 11f-12f races, in line with his racecourse victories.

Overall, while your method with RPSI shows potential, it's important to consider its limitations and combine it with other analysis tools like form, running style, and track preferences for a more informed assessment of optimal trip length for individual horses.

Remember, horse racing is complex and involves many factors. Experimenting with different methods and seeking diverse perspectives can help you refine your approach and increase your success.

Assessment assisted by Bard

### Comments for Flat Stamina Index

Average Rating

 Jan 19, 2024 Rating Flat Stamina Index by: Chris That sounds very helpful. Feel free to post any horses you think may be worth following. Thanks, Chris

 Jan 17, 2024 Rating RPSI by: Howard Chris,Started researching this idea 10yearsago.I read an article by Henry Cecilstating the dam had a great influenceon the result.Looked at Urban Sea, dam of Galileoand Sea the Stars.Used Damsire as RPSI - don't rate Damssome never run.D/S must have minimum 110 SI.Watch Fantastic Moon win the GermanDerby.Waldgeist beat EnableTrawlerman won the Ebor.

 Jan 17, 2024 Rating Flat Stamina Index by: Chris Thanks for your interesting contribution, Howard

 Jan 17, 2024 Rating Flat Stamina Index by: Howard Forgot to mention in my RPSI planThe stamina needs to be on theDam side IE. 110 minimumOnly look at first 4 in bettingand check up or down in class andOR+/-.Also check for stamina down theDam side. Dubawi has Deploy on damside a 12f horse look at AdayarMostadaf to me was an 11f horse soYork Juddemont perfect.Paddington had stamina on dam sidebut was 204 (8f) rating. Kalidasa is on the Frankel/Dubawiline.I believe 11f is the perfectdistance for the Derby

## Flat Stamina Index

by Howard
(Uk)

I will put all my RPSI distance ratings on at a later date.

My flat season starts in May

Concentrating on Class 1 and 2 races
mainly 3yo.

### Comments for Flat Stamina Index

Average Rating

 Jan 29, 2024 Rating by: Chris Thanks Howard

## Flat Stamina Index. .

by Howard
(Southsea)

Palace Boy looks interesting
But up 10lbs and up in class.
No bet 2/1 poor value in a low

## Flat Stamina index

by Howard
(Southsea )

3.15 Meydan
Could Gareth win this
Dubawi D/S Dansili out of Kayhasi

Not much today 20 Jan 2024

Nearest 1.25 LG. Class4 12f (230)
Bohemian Breeze (223) Galileo 11.3

Prefer Sire to be close to race distance

Prefer 10+ runners and Turf more
Stamina.

Many years ago tested Nh did not work.

On Flat use French and German races

Although American horses race at
shorter distances some can stay well

Justify is an interesting SI 10f horse but has won at 12f.

## Flat Stamina Index

by Howard
(Uk)

Impressive sire start for
Waldgeist. Forest Fairy won by
impressive 6 lengths.

Waldgeist beat Enable on Soft
going.My SI for him 123.

R.Beckett excellent trainer for our operation remember Westover
last year.

## Flat Stamina index

by Howard
(Southsea )

3.15 Meydan

Could Gareth win this?

Dubawi D/S Dansili out of Kayhasi

Answer: Not today as it turned out - good try though

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