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Trainer profile

Y-M Porzier

1,002 runners in the lifetime window · 206 individual horses
As at 6 Nov 2026 · KTB archive: 2005–present, updated daily
Last runner Dec 2015
No runners in the last 5 seasons — showing the lifetime record, from 1 Jan 2008 — the aggregate floor: every horse in the window has a complete captured career behind it.
131–1,002
Wins / Runs
13.1%
Strike rate
n=1,002
313 (31%)
Placed
1.17
n=968 · 1.05 incl. margin
+59.60
£1 level stake
n=995 at SP · +6.0%
£4.97m
Prize money (window)
Strike by season
12.6%
KTB Yard Profile

Sent out around 130 runners a season, across both codes, winning with 13% of them — beating the margin-free market read across the lifetime window (Fair A/E 1.17).

Deterministic profile computed from 1,002 archived runs (lifetime window) · updated 6 Nov 2026
KTB at a glance Fired Sep–Oct 35.1% when favourite Stevan Bourgois: 12.9% from 155 Claiming riders: 14% Sent off the favourite in 13% of races
The read

A horse in first-time headgear has been a poor signal at 6.3% (n=63, Fair A/E 0.43). Stevan Bourgois rode 15% of the entries and matches the yard's average almost exactly (12.9%, A/E 1.24) — the partnership beats the margin-free market read. The record read poorly over 6f – 7f — 3.1% over 32 runners, 10pts below the baseline. 25 Group and Graded wins sit in the archive record — the biggest prize the yard has landed: the Grand Prix D'Automne at Auteuil (FR) (Nov 2011, £143,534). The stable star of the record was Plougala (FR) — 6 wins from 23 runs for the yard. Seasonally, the yard fired Sep–Oct.

Written from the figures on this page — every claim carries its sample. Descriptive, not a tip.

Yard patterns

the angles behind the record · vs 13.1% baseline
Fresh · 61+ days off
10.7%−2.4
n=299 · A/E 1.12 · £1 +33.40
New recruits · first run for the yard
9.3%−3.8
n=97 · A/E 1.26 · £1 −1.20
Debutants · first career start
8.1%−5.0
n=111 · A/E 1.04 · £1 −18.00
First-time headgear · true-first definition
6.3%−6.8
n=63 · A/E 0.43 · £1 −33.90
Headgear returns · back on after a bare run
12.1%−1.0
n=33 · A/E 1.19 · £1 +11.50
When favourite
35.1%
n=131 · A/E 1.24 · £1 +14.60
Claiming riders · a claimer in the saddle
14%+0.9
n=222 · A/E 1.22 · £1 −39.60
Group / Graded races · pattern & listed
11.6%−1.5
n=199 · A/E 1.00 · £1 −83.20

Each tile is the record in that situation vs the 13.1% 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
On last-time-out winners 22.3% vs 13.1% · n=121
With Julien Auge 2.8% vs 13.1% · n=36
With Bertrand Lestrade 21.7% vs 13.1% · n=60
Over 6f – 7f 3.1% vs 13.1% · n=32
Over 1m – 1m1f 5.9% vs 13.1% · n=101
With Michael Delmares 5.1% vs 13.1% · n=59
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

Race type

TypeRWSR£1
Hurdle 482 69 14.3% +46.30
Flat 331 37 11.2% +40.90
Chase 189 25 13.2% −27.60

Going

GoingRWSR£1
Soft 485 74 15.3% +90.10
Heavy 304 36 11.8% −35.60
Good 77 11 14.3% +19.90
Standard (AW) 75 6 8% +27.10
Good to Soft 61 4 6.6% −41.90

Courses

CourseRWSR£1
Auteuil (FR) 477 62 13% −83.80
Enghien (FR) 178 26 14.6% +72.60
Saint-Cloud (FR) 73 8 11% +10.30
Maisons-Laffitte (FR) 70 7 10% −9.30
Deauville (FR) 69 6 8.7% +32.60
Chantilly (FR) 51 7 13.7% −0.90
Longchamp (FR) 40 4 10% +4.10
Clairefontaine 10 1 10% −0.20
Compiegne 7 3 42.9% +12.60
Lyon Parilly 5 3 60% +17.50
Dieppe 4 1 25% +6.60
Fontainebleau 3 1 33.3% +1.40
Cagnes-Sur-Mer (FR) 3 0 0% −3.00
Pau 2 1 50% +0.90
Toulouse (FR) 2 0 0% −2.00

Class

ClassRWSR£1
Class 1 199 23 11.6% −83.20

Market position

In the bettingRWSRA/E£1
Favourite 142 48 33.8% 1.23 +12.60
2nd–3rd fav 232 43 18.5% 1.13 +24.10
4th–6th fav 294 25 8.5% 1.04 −30.10
7th+ in betting 327 15 4.6% 1.39 +53.00
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
Rocketir (FR) 28 2 11 12 Jan 15
Odysseas (FR)from D Windrif 28 2 10 2 Nov 13
Ballyrock (FR) 25 1 7 29 Nov 15
Plougala (FR) 23 6 9 17 May 15
Grand Akbar (FR)from E Bergougnoux · then E Bergougnoux 23 1 6 21 May 13
La Segnora (FR)from F Cohen · then R Le Gal 21 5 11 28 Apr 12
Kemaliste (FR)then M Rolland 20 3 7 29 Mar 15
Haim (FR)from K Borgel 18 0 7 18 Oct 13
Oyeryz (FR) 18 1 6 21 Mar 12
Attila De Sivola (FR)from T Trapenard · then Y Gourraud 16 5 6 7 Jun 15
Anowe De Jelois (FR) 16 4 7 4 Oct 12
Les Sables Blancs (FR)then M Rolland 14 3 5 7 May 15
Showing the 60 most-raced of the 206 horses sent out in this window — each ran at least 6 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, 28 arrived from another yard in our archive, most often from P Costes (2); 32 had their first archived run for this yard.

22 have since run for another yard, most often for A Chaille-Chaille (3) and M Rolland (2); 38 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
111791611551117161418
Muted months are small samples (under 30 runs) — read them with the caution they deserve.

Jockey bookings

same window · biggest samples first
Go-to riderStevan Bourgois
15% of all rides
12.9% SR · A/E 1.24
RiderRWSR£1
Stevan Bourgois 155 20 12.9% −26.30
Ray O'Brien 148 18 12.2% +27.20
Frederic Ditta 71 12 16.9% +34.10
Bertrand Lestrade 60 13 21.7% +17.80
Michael Delmares 59 3 5.1% −38.00
Yohann Bourgois 53 5 9.4% −27.80
Gael Barbedette 45 4 8.9% −11.00
Fabien Lefebvre 43 5 11.6% +47.40
Julien Auge 36 1 2.8% −11.10
Muted rows are under 30 rides and sit behind "Show all".

Career highlights

lifetime archive, 2005→
139
Archived wins
25
Pattern / graded wins
£5.15m
Prize money
2012
Best season · 33 wins
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.
La Segnora (FR) — Grand Prix D'Automne (Hurdle) (5yo+) (Turf) Auteuil (FR) · Nov 2011 · Grade 1
£143,534
La Segnora (FR) — Prix Du President De La Republique-Journee Solidarite France-Japon (Chase) Handicap) (5yo+) Auteuil (FR) · Apr 2011 · Grade 3
£87,284
La Segnora (FR) — Prix Leon Olry-Roederer (Hurdle) (5yo+) (Turf) Auteuil (FR) · Nov 2011 · Grade 2
£67,888

Sires in the string

progeny record · win % by ground and trip
Poliglote (GB) 9% · 6–67
Progeny have won 15.6% of 4,224 runs since 2008 (417 horses). Weakest on Standard (AW) going: 6.8% from 234. Strongest over 1m5f – 2m (all codes): 19% from 691. Weakest over 1m – 1m1f (all codes): 6.1% from 196.
Villez (USA) 9.3% · 4–43
Progeny have won 12% of 418 runs since 2008 (46 horses).
Ballingarry (IRE) 6.3% · 2–32
Progeny have won 10.4% of 2,432 runs since 2008 (309 horses). Weakest over 1m2f – 1m4f (all codes): 6.4% from 125.
Layman (USA) 9.7% · 3–31
Progeny have won 9.3% of 1,327 runs since 2010 (122 horses). Strongest on Soft going: 13.3% from 279. Strongest over 2m1f – 2m4f (all codes): 14.9% from 161.
Muhtathir (GB) 9.7% · 3–31
Progeny have won 11.3% of 4,719 runs since 2008 (494 horses). Weakest on Standard (AW) going: 7.9% from 967.
Turgeon (USA) 25.8% · 8–31
Progeny have won 12.3% of 3,189 runs since 2008 (341 horses). Weakest beyond 3m (all codes): 7.8% from 268.
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 1,020 · newest first

The latest 50 of 1,020 archived runners, newest first. The full record runs from 13 March 2005 to 2 December 2015.

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 Y-M Porzier's strike rate?
Y-M Porzier has won 131 of 1,002 runners since 2008, a strike rate of 13.1% (as at 6 November 2026). Figures are computed from our own results archive.
Which course does Y-M Porzier do best at?
Enghien (FR) by strike rate: 26 wins from 178 runners (14.6%) 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 Y-M Porzier?
Stevan Bourgois, with 155 runners since 2008 — 15% of the total. That pairing has won 20 (12.9%).
What is Y-M Porzier's Fair A/E?
1.17, from 968 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.
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 6 November 2026, computed from our own results archive (2005 onwards; aggregates from 2008).