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Trainer profile

H De Nicolay

93 runners in the last 5 seasons · 17 individual horses
As at 22 Oct 2026 · KTB archive: 2005–present, updated daily
Last runner Sep 2024 100% of runners on the flat
from 1 Jan 2022
9–93
Wins / Runs
9.7%
Strike rate
n=93
20 (22%)
Placed
1.21
n=93 · 1.01 incl. margin
−38.00
£1 level stake
n=93 at SP · −40.9%
£211k
Prize money (window)
Strike by season
3.4%

Yard patterns

the angles behind the record · vs 9.7% baseline
Fresh · 61+ days off
0%−9.7
n=14 · A/E 0.00 · £1 −14.00
New recruits · first run for the yard
0%−9.7
n=3 · A/E 0.00 · £1 −3.00
Debutants · first career start
0%−9.7
n=11 · A/E 0.00 · £1 −11.00
First-time headgear · true-first definition
0%−9.7
n=2 · A/E 0.00 · £1 −2.00
Headgear returns · back on after a bare run
0%−9.7
n=2 · A/E 0.00 · £1 −2.00
When favourite
33.3%
n=9 · A/E 1.29 · £1 +1.50
Claiming riders · a claimer in the saddle
15%+5.3
n=20 · A/E 1.22 · £1 −6.40
Group / Graded races · pattern & listed
0%−9.7
n=10 · A/E 0.00 · £1 −10.00

Each tile is the record in that situation vs the 9.7% 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
At Deauville (FR) 13.5% vs 9.7% · n=37
On Standard (AW) going 7.5% vs 9.7% · n=40
Over 6f – 7f 11.5% vs 9.7% · n=61 · A/E 1.42
In Flat races 9.7% vs 9.7% · n=93 · A/E 1.21
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) 40 3 7.5% −23.30
Soft 24 4 16.7% +1.10
Good to Soft 18 2 11.1% −4.80
Heavy 7 0 0% −7.00
Good 4 0 0% −4.00

Courses

CourseRWSR£1
Deauville (FR) 37 5 13.5% −3.80
Chantilly (FR) 26 1 3.8% −20.80
Saint-Cloud (FR) 19 3 15.8% −2.40
Longchamp (FR) 9 0 0% −9.00
Dieppe (FR) 1 0 0% −1.00
Fontainebleau (FR) 1 0 0% −1.00

Class

ClassRWSR£1
Class 1 10 0 0% −10.00

Market position

In the bettingRWSRA/E£1
Favourite 9 3 33.3% 1.29 +1.50
2nd–3rd fav 12 2 16.7% 1.10 −0.80
4th–6th fav 26 4 15.4% 1.99 +7.30
7th+ in betting 46 0 0% 0.00 −46.00
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.

Rows below n=30 are shown faded — a small sample is a fact, not a trend. Every figure carries its N.

Horses trained

same window as header · most-raced first
HorseRWPlLast ran
Fille Du Roi (FR)then Marc Rosseel 23 4 7 6 Jun 24
McTenett (IRE)from Joseph Patrick O'Brien · then P Decouz 10 1 3 9 Sep 24
Bahia Blanca (FR)from C & Y Lerner 8 1 2 25 May 24
Alvina (FR) 8 2 2 11 Mar 23
Rive Joy (GB) 6 0 0 31 Mar 23
Ammobaby (FR) 5 1 2 10 May 22
Noble Angel (GB)then R Le Gal 4 0 0 19 Jun 22
Best Memory (FR) 3 0 0 26 Jan 24
Heal The World (FR) 3 0 1 9 Dec 22
Tiberiana (FR)then R Chotard 2 0 0 6 Sep 24
Lady Madeira (FR)then M Krebs 2 0 1 13 Aug 24
All 17 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 17 horses listed, 3 arrived from another yard in our archive; 14 had their first archived run for this yard.

8 have since run for another yard, most often for P Decouz (3); 9 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, 5 seasons
JFMAMJJASOND
1713001811018200013
A flat yard: the season runs Mar–Oct. Muted months are small samples (under 30 runs) — read them with the caution they deserve.

Jockey bookings

same window · biggest samples first
RiderRWSR£1
Hugo Journiac 23 1 4.3% −19.20
Mlle Marie Velon 17 3 17.6% −0.40
Mickael Barzalona 6 1 16.7% −0.80
Tony Piccone 5 1 20% +1.00
Christophe Soumillon 4 1 25% +4.00
Ronan Thomas 4 1 25% +4.50
Anthony Crastus 4 0 0% −4.00
Aurelien Lemaitre 4 0 0% −4.00
Arthur Vilchien 4 0 0% −4.00
Gregory Benoist 3 0 0% −3.00
Maxime Guyon 2 0 0% −2.00
Clement Lecoeuvre 2 0 0% −2.00
Muted rows are under 30 rides.

Career highlights

lifetime archive, 2012→
34
Archived wins
1
Pattern / graded wins
£884k
Prize money
2018
Best season · 6 wins
Diablotine (IRE) — Prix des Reves d'Or - Jacques Bouchara () (2yo) (Turf) Vichy (FR) · May 2021 · Listed
£26,786
McTenett (IRE) — Prix Kaldoun (Handicap) (3yo) (Turf) Saint-Cloud (FR) · Sep 2024
£17,391
Alvina (FR) — Prix de Caen (Conditions) (2yo) (Straight Course) (Turf) Deauville (FR) · Aug 2022
£14,286

Sires in the string

progeny record · win % by ground and trip
Belardo (IRE) 16% · 4–25
Progeny have won 10.2% of 3,706 runs since 2008 (280 horses).
Dandy Man (IRE) 0% · 0–10
Progeny have won 9.1% of 14,927 runs since 2008 (930 horses). Weakest over 1m5f – 2m (all codes): 5.3% from 170.
Starspangledbanner (AUS) 10% · 1–10
Progeny have won 11.1% of 7,152 runs since 2008 (660 horses). Strongest at trips under 6f (all codes): 14.5% from 1,190.
Shalaa (IRE) 25% · 2–8
Progeny have won 9.5% of 2,432 runs since 2008 (279 horses). Strongest on Heavy going: 13.6% from 140.
Sommerabend (GB) 12.5% · 1–8
Progeny have won 7.5% of 1,185 runs since 2008 (133 horses). Strongest at trips under 6f (all codes): 10.5% from 105.
Rajsaman (FR) 0% · 0–6
Progeny have won 6.9% of 2,837 runs since 2008 (311 horses).
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 22 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 608 · newest first

The latest 50 of 608 archived runners, newest first. The full record runs from 15 April 2012 to 9 September 2024.

DateCourseHorseRaceFinishSP

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 H De Nicolay's strike rate?
H De Nicolay has won 9 of 93 runners since 2022, a strike rate of 9.7% (as at 22 October 2026). Figures are computed from our own results archive.
Which course does H De Nicolay do best at?
Deauville (FR) by strike rate: 5 wins from 37 runners (13.5%) since 2022. 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.
What is H De Nicolay's Fair A/E?
1.21, from 93 runners with a computed fair probability since 2022. 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.
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%". Three sample sizes are reported and never blended: runs (n), the ROI basis (n at SP), and the fair-A/E basis (n with a computed fair probability).

Strike rate is wins over all runs (n). ROI is £1 level stakes at SP over runs with a parseable price (n at SP). Fair A/E is wins over margin-stripped market expectation, over runs with a computed fair probability (n fair). The three Ns can legitimately differ and are always shown. Figures as at 22 October 2026, computed from our own results archive (2005 onwards; aggregates from 2008).