Fair A/E compares wins with a margin-stripped market expectation. Favourite-heavy samples — top yards, leading riders — naturally read a few points warm, so 1.05 means "beat the margin-free market read", not "the market underrates this by 5%".
KTB Yard Profile
Sends out around 10 runners a season, almost all on the flat, winning with 7% of them — beating the margin-free market read across the lifetime window (Fair A/E 1.41).
Deterministic profile computed from 112 archived runs (lifetime window) · updated 20 Oct 2026
The read
The yard also reads well off a 15-30-day break (11.1%, n=36). The market has also underrated the yard on Standard (AW) going: Fair A/E 2.24 across 54 runners (9.3% strike, +10.90 to a £1 stake).
Written from the figures on this page — every claim carries its sample. Descriptive, not a tip.
Yard patterns
the angles behind the record · vs 7.1% baseline
Fresh · 61+ days off
0%−7.1
n=18 · A/E 0.00 · £1 −18.00
New recruits · first run for the yard
0%−7.1
n=2 · A/E 0.00 · £1 −2.00
Debutants · first career start
8.3%+1.2
n=24 · A/E 2.31 · £1 −1.00
First-time headgear · true-first definition
0%−7.1
n=8 · A/E 0.00 · £1 −8.00
When favourite
0%
n=2 · A/E 0.00 · £1 −2.00
Claiming riders · a claimer in the saddle
12.5%+5.4
n=24 · A/E 2.97 · £1 +14.00
Group / Graded races · pattern & listed
0%−7.1
n=5 · A/E 0.00 · £1 −5.00
Each tile is the record in that situation vs the 7.1% baseline — descriptive splits with the sample always shown, not tips. Tiles under 30 runs render muted. Headgear figures use the true-first definition (first gear appearance in the captured career); returns are gear back on after a bare run. Claiming riders are runs where the booked rider carried a weight claim. Group / Graded covers pattern and listed races.
Notable angles
vs their own baseline
Off a 15-30-day break11.1% vs 7.1% · n=36
At Chantilly (FR)10% vs 7.1% · n=50
On Standard (AW) going9.3% vs 7.1% · n=54
Over 1m – 1m1f9.1% vs 7.1% · n=66
With a new jockey booking6.1% vs 7.1% · n=66 · A/E 1.38
In Flat races7.1% vs 7.1% · n=112 · A/E 1.41
Descriptive splits ranked by divergence × sample — insight, not instruction. Every angle carries its N; nothing under 30 runs qualifies. Rows within 2pts of the baseline appear only when the market-relative read (Fair A/E) diverges, and show it.
Record by conditions
same window as header
Going
GoingRWSR£1
Standard (AW)5459.3%+10.90
Soft2015%−13.20
Good1300%−13.00
Heavy1317.7%+3.10
Good to Soft1218.3%−0.90
Courses
CourseRWSR£1
Chantilly (FR)50510%+14.90
Saint-Cloud (FR)2428.3%+3.20
Deauville (FR)1600%−16.00
Longchamp (FR)8112.5%−1.20
Maisons-Laffitte (FR)600%−6.00
Clairefontaine (FR)200%−2.00
Dieppe (FR)100%−1.00
Lyon-La Soie (FR)100%−1.00
Angers (FR)100%−1.00
San Siro (ITY)100%−1.00
Amiens (FR)100%−1.00
Argentan (FR)100%−1.00
Class
ClassRWSR£1
Class 1500%−5.00
Market position
In the bettingRWSRA/E£1
Favourite200%0.00−2.00
2nd–3rd fav13323.1%1.83+4.40
4th–6th fav20210%1.27+16.90
7th+ in betting7733.9%1.44−32.40
Fair A/E per band is the tell: near 1.00 the market had it priced right; well above, the wins came where the market didn't expect them.
Distance
DistanceRWSR£1
1m – 1m1f6669.1%+5.70
1m2f – 1m4f2414.2%−7.90
6f – 7f2214.5%−10.90
By season
By seasonRWSR£1
20159222.2%+7.30
2016600%−6.00
2017600%−6.00
20181417.1%+2.10
201918211.1%−5.80
20201119.1%+0.90
202112216.7%+30.40
20221000%−10.00
2023200%−2.00
2024900%−9.00
2025700%−7.00
2026800%−8.00
Handicaps
HandicapsRWSR£1
Handicaps4948.2%−4.10
Field size
Field sizeRWSR£1
14-16 runners4124.9%−12.50
11-13 runners34514.7%+31.00
8-10 runners2214.5%−16.60
17+ runners1000%−10.00
5-7 runners500%−5.00
Rows below n=30 are shown faded — a small sample is a fact, not a trend. Every figure carries its N.
All 26 horses sent out in this window. Runs, wins and places only: a strike rate or a return on a handful of runs is noise, so none is quoted per horse — each horse's full record is on its own page.
Where they came from · where they went next
Of the 26 horses listed, 2 arrived from another yard in our archive; 24 had their first archived run for this yard.
6 have since run for another yard; 20 have no later run for another yard in our archive.
Read from each listed horse's whole archived career (2005 onwards), not only this window, and counted over the horses listed above, not the whole string. “First archived run” means our archive holds nothing earlier, not that the horse was unraced. A horse with no later run elsewhere may still be here, be off the track, or have run somewhere our archive does not cover — none of that is asserted.
Current form
significance-gated
Last 14 days
Small sample
0 from 1
Only 1 runners in the last 14 days — too few to read against the baseline (gate: n≥15). The card states the sample and stays neutral.
When the yard fires
strike by month, lifetime
JFMAMJJASOND
130132011110000127
A flat yard: the season runs Mar–Oct. Muted months are small samples (under 30 runs) — read them with the caution they deserve.
Progeny have won 7.4% of 4,128 runs since 2008 (448 horses). Weakest on Heavy going: 3.9% from 254. Strongest at trips under 6f (all codes): 12% from 209. Weakest over 1m5f – 2m (all codes): 2.8% from 142.
Progeny have won 11.4% of 1,697 runs since 2008 (283 horses). Strongest on Good going: 15.7% from 261. Weakest on Standard (AW) going: 7.8% from 384. Strongest over 1m5f – 2m (all codes): 18.8% from 223. Weakest over 1m – 1m1f (all codes): 5.5% from 476.
Top line: the yard's own record with each sire's runners (win %, wins–runs), same window as the header; faded under 30 runs. Beneath it: every run by that sire's progeny in our archive since 2008, as at 20 Oct 2026 — what they have done, not a forecast. A going or a distance is named only where at least 100 progeny runs sit 3 or more points from the sire's own win rate. Distance bands cover Flat and jumps together.
The record
latest 50 of 112 · newest first
The latest 50 of 112 archived runners, newest first. The full record runs from 24 March 2015 to 20 October 2026.
Drawn from the whole archive (2005 onwards), so it can include runs outside the window the header statistics cover. Non-runners are not listed. A finish shown in letters is a non-completion (F fell · UR unseated · PU pulled up · BD brought down).
Quick answers
What is D Zarroli's strike rate?
D Zarroli has won 8 of 112 runners since 2008, a strike rate of 7.1% (as at 20 October 2026). Figures are computed from our own results archive.
Which course does D Zarroli do best at?
Chantilly (FR) by strike rate: 5 wins from 50 runners (10%) since 2008. Read from the 15 courses with the most runners on the same basis, and only those with at least 30 — a small sample cannot top the list, and a rarely-visited course is not in the comparison.
Is D Zarroli in form?
Too few runners in the last 14 days to read — 1 runner, which is not a sample we will draw a conclusion from.
What is D Zarroli's Fair A/E?
1.41, from 112 runners with a computed fair probability since 2008. Fair A/E compares actual wins with a margin-stripped market expectation, so 1.00 is par: above it the wins came at bigger prices than the margin-free market implied, below it they did not.
D Zarroli·SR 7.1%·A/E 1.41
KTB
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