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 150 runners a season, almost all on the flat, winning with 20% of them — level with the margin-free market read across the lifetime window (Fair A/E 0.99).
Deterministic profile computed from 2,906 archived runs (lifetime window) · updated 6 Nov 2026
KTB at a glanceFires Mar–May32.7% when favouriteChristophe Soumillon: 24.9% from 894Sends off the favourite in 27% of races
The read
The record is strongest at Compiegne (32.4%, n=68), clear of the yard's 20.3% baseline. New recruits from other stables on their first run struggle at 13% (n=54, Fair A/E 0.70). Christophe Soumillon rides 31% of the entries and edges the yard's average (24.9% vs 20.3%, A/E 0.93). The record reads poorly off a 8-14-day break — 12.4% over 105 runners, 7.9pts below the baseline. 236 Group and Graded wins sit in the archive record — the biggest prize the yard has landed: the Qatar Prix de l'Arc de Triomphe at Longchamp (FR) (Oct 2008, £1,680,588). The stable star of the record: Vazirabad (FR) — 11 wins from 16 runs for the yard. Seasonally, the yard fires Mar–May.
Written from the figures on this page — every claim carries its sample. Descriptive, not a tip.
Yard patterns
the angles behind the record · vs 20.3% baseline
Fresh · 61+ days off
19.6%−0.7
n=617 · A/E 1.06 · £1 +16.81
New recruits · first run for the yard
13%−7.3
n=54 · A/E 0.70 · £1 −13.30
Debutants · first career start
20.2%−0.1
n=634 · A/E 0.87 · £1 +31.30
First-time headgear · true-first definition
20.2%−0.1
n=94 · A/E 1.31 · £1 +19.35
Headgear returns · back on after a bare run
10%−10.3
n=10 · A/E 0.61 · £1 −2.00
When favourite
32.7%
n=781 · A/E 0.89 · £1 −89.02
Claiming riders · a claimer in the saddle
17.2%−3.1
n=163 · A/E 1.14 · £1 +29.40
Group / Graded races · pattern & listed
17.7%−2.6
n=1,106 · A/E 0.97 · £1 −44.87
Each tile is the record in that situation vs the 20.3% baseline — descriptive splits with the sample always shown, for you to weigh. 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. The same beliefs, tested across every yard and every GB and Irish race since 2005: Racing myths.
Notable angles
vs their own baseline
At Compiegne32.4% vs 20.3% · n=68
With Thierry Jarnet10.5% vs 20.3% · n=76
Off a 8-14-day break12.4% vs 20.3% · n=105
With Mickael Berto13% vs 20.3% · n=131
With Antoine Hamelin13.8% vs 20.3% · n=225
With Alexis Badel12.3% vs 20.3% · n=81
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
Good86518321.2%−97.43
Soft78717422.1%−2.10
Good to Soft58211519.8%+88.30
Standard (AW)3375917.5%−29.70
Heavy2954916.6%−52.19
Good to Firm38718.4%−10.75
Firm11100%—
Courses
CourseRWSR£1
Longchamp (FR)64615524%+38.24
Saint-Cloud (FR)58510417.8%+156.45
Chantilly (FR)50610019.8%−62.01
Deauville4036014.9%−123.90
Maisons-Laffitte (FR)3316419.3%−77.10
Compiegne682232.4%+9.20
Clairefontaine50816%−4.00
Fontainebleau421126.2%+5.30
Lyon Parilly41922%−9.30
Vichy32721.9%−12.30
Ascot2713.7%−22.00
Dieppe20735%+7.90
Chateaubriant14428.6%−3.00
Le Croise-Laroche11327.3%−0.70
Le Lion-D'Angers9111.1%−5.50
Class
ClassRWSR£1
Class 11,10619617.7%−44.87
Class 2300%−3.00
Market position
In the bettingRWSRA/E£1
Favourite81325931.9%0.88−107.17
2nd–3rd fav90116318.1%1.05−96.50
4th–6th fav5996510.9%1.25+47.90
7th+ in betting349174.9%1.25+59.20
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
1m2f – 1m4f1,37629621.5%+45.37
1m – 1m1f94017018.1%−121.41
6f – 7f2824616.3%−19.70
1m5f – 2m2566425%+25.50
Under 6f441227.3%−19.50
2m1f – 2m4f6116.7%−4.83
2m5f – 3m200%−2.00
By season
By seasonRWSR£1
20081433927.3%+10.48
20092227132%+101.75
20103116219.9%−24.32
20112776724.2%−5.62
20123275717.4%+51.90
20132795017.9%+9.65
20143075618.2%−94.77
20152816623.5%+1.80
20161832815.3%−58.19
20171211613.2%−45.45
20181191916%+22.10
20191192218.5%−10.30
20201341813.4%−56.30
2021821720.7%−5.80
202211100%+6.50
Handicaps
HandicapsRWSR£1
Handicaps1972412.2%−7.90
Field size
Field sizeRWSR£1
8-10 runners92015717.1%−180.16
5-7 runners64616525.5%−2.08
11-13 runners5859616.4%+18.89
14-16 runners3464513%+23.74
2-4 runners28711138.7%+34.24
17+ runners117108.5%−8.90
Rows below n=30 are shown faded — a small sample is a fact, not a trend. Every figure carries its N.
Showing the 60 most-raced of the 699 horses sent out in this window — each ran at least 9 times. Horses with fewer runs aren't listed; search finds any horse since 2005. 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 60 horses listed, 4 arrived from another yard in our archive; 56 had their first archived run for this yard.
11 have since run for another yard; 49 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.
When the yard fires
strike by month, lifetime
JFMAMJJASOND
202227222620251716171616
A flat yard: the season runs Mar–Oct. Muted months are small samples (under 30 runs) — read them with the caution they deserve.
In our archive from its very first year (2005), so this career almost certainly began earlier than our record does. The figures above count 2005 onwards only — what the archive holds, not a full-career total. This card is the full archive census (2005→); the statistics in the header aggregate from 2008 — the floor that guarantees every horse a complete captured career — so this card can legitimately show more wins than the header.
Zarkava (IRE) — Qatar Prix de l'Arc de Triomphe (Colts & Fillies) Longchamp (FR) · Oct 2008 · Group 1
£1,680,588
Reliable Man (GB) — Prix Du Jockey Club (3yo Colts & Fillies) (Turf) Chantilly (FR) · Jun 2011 · Group 1
£738,879
Darsi (FR) — Prix du Jockey Club Mitsubishi Motors (Colts & Fillies) Chantilly (FR) · Jun 2006 · Group 1
Progeny have won 11.6% of 5,037 runs since 2008 (497 horses). Weakest on Heavy going: 8.6% from 278. Weakest over 2m5f – 3m (all codes): 6.5% from 153.
Sinndar (IRE)17.9% · 22–123
Progeny have won 11.3% of 3,410 runs since 2008 (394 horses). Strongest on Good to Firm going: 15.2% from 256. Weakest over 6f – 7f (all codes): 5.3% from 132.
Progeny have won 15.7% of 9,980 runs since 2013 (1,118 horses). Strongest on Good to Firm going: 18.9% from 1,503. Weakest on Heavy going: 9.4% from 457. Weakest over 2m5f – 3m (all codes): 11.5% from 139.
Dansili (GB)17.7% · 20–113
Progeny have won 13.7% of 11,842 runs since 2008 (983 horses). Strongest on Firm going: 16.8% from 101. Weakest on Heavy going: 7.9% from 428. Weakest over 2m5f – 3m (all codes): 9.1% from 209.
Progeny have won 18.4% of 12,982 runs since 2009 (1,530 horses). Weakest at trips under 6f (all codes): 9.8% from 429.
Invincible Spirit (IRE)13% · 10–77
Progeny have won 11.9% of 20,863 runs since 2008 (1,574 horses). Strongest on Firm going: 16.1% from 161. Weakest over 1m5f – 2m (all codes): 7.8% from 844.
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 6 Nov 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 3,295 · newest first
The latest 50 of 3,295 archived runners, newest first. The full record runs from 12 March 2005 to 16 May 2022.
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 A De Royer-Dupre's strike rate?
A De Royer-Dupre has won 589 of 2,906 runners since 2008, a strike rate of 20.3% (as at 6 November 2026). Figures are computed from our own results archive.
Which course does A De Royer-Dupre do best at?
Compiegne by strike rate: 22 wins from 68 runners (32.4%) 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.
Who rides most for A De Royer-Dupre?
Christophe Soumillon, with 894 runners since 2008 — 31% of the total. That pairing has won 223 (24.9%).
What is A De Royer-Dupre's Fair A/E?
0.99, from 2,505 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.
A De Royer-Dupre·SR 20.3%·A/E 0.99
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