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Trainer profile

C W Chang

98 runners in the last 5 seasons · 46 individual horses
As at 22 Oct 2026 · KTB archive: 2005–present, updated daily
Last runner 18 days ago 100% of runners on the flat
Last 5 seasons Lifetime (2026→)
from 1 Jan 2022
5–98
Wins / Runs
5.1%
Strike rate
n=98
14 (14%)
Placed
0.59
Fair A/E
n=47 · 0.48 incl. margin
−36.00
£1 level stake
n=47 at SP · −76.6%
£695k
Prize money (window)

Yard patterns

the angles behind the record · vs 5.1% baseline
Fresh · 61+ days off
10%+4.9
n=20 · A/E — · £1 —
New recruits · first run for the yard
50%+44.9
n=2 · A/E — · £1 —
Debutants · first career start
0%−5.1
n=44 · A/E 0.00 · £1 −29.00
First-time headgear · true-first definition
0%−5.1
n=28 · A/E 0.00 · £1 −23.00
Claiming riders · a claimer in the saddle
0%−5.1
n=20 · A/E 0.00 · £1 −9.00

Each tile is the record in that situation vs the 5.1% 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
With debutants 0% vs 5.1% · n=44
On Good going 2.4% vs 5.1% · n=41
On Good to Firm going 7.3% vs 5.1% · n=41
At Happy Valley 2.9% vs 5.1% · n=34
At Sha Tin 6.3% vs 5.1% · n=64 · A/E 0.81
Over 6f – 7f 6.3% vs 5.1% · n=63 · A/E 0.00
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
Good to Firm 41 3 7.3% +1.00
Good 41 1 2.4% −24.00
Standard (AW) 8 1 12.5% −5.00
Good to Soft 7 0 0% −7.00
Soft 1 0 0% −1.00

Courses

CourseRWSR£1
Sha Tin 64 4 6.3% −20.00
Happy Valley 34 1 2.9% −16.00

Class

ClassRWSR£1
Class 4 26 0 0% −25.00
Class 3 10 1 10% +4.00
Class 5 10 0 0% −8.00
Class 1 1 0 0% −1.00
Class 2 1 0 0% −1.00

Market position

In the bettingRWSRA/E£1
2nd–3rd fav 1 0 0% 0.00 −1.00
4th–6th fav 9 0 0% 0.00 −9.00
7th+ in betting 37 1 2.7% 1.11 −26.00
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
Casa Of Honor (AUS) 4 0 1 4 Oct 26
Rising From Ashes (AUS) 4 0 0 1 Oct 26
Free Pony (AUS) 4 0 0 23 Sep 26
Straight To Glory (AUS) 4 1 1 23 Sep 26
Kwai Chung Talents (AUS) 4 0 3 16 Sep 26
Team Happy (AUS) 3 2 2 4 Oct 26
Mazing Grace (IRE) 3 0 0 4 Oct 26
Lady's Love (AUS) 3 1 2 4 Oct 26
Good Power (AUS) 3 0 0 4 Oct 26
Romantic Laos (NZ)from W K Mo 3 0 0 1 Oct 26
Casa Primo (AUS) 3 0 0 1 Oct 26
Prestige Superior (AUS) 3 0 0 27 Sep 26
All 46 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 46 horses listed, 2 arrived from another yard in our archive; 44 had their first archived run for this yard.

3 have since run for another yard; 43 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
····004·918··
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
K C Leung 16 1 6.3% +3.00
R Kingscote 15 1 6.7% −8.00
M L Yeung 13 0 0% −5.00
Matthew Poon 9 1 11.1% −4.00
Jerry Chau 8 0 0% −2.00
James Orman 6 0 0% −1.00
H T Mo 6 0 0% −4.00
Karis Teetan 5 1 20% −4.00
Lyle Hewitson 5 0 0% −2.00
Britney Wong 4 0 0% −2.00
Ethan Brown 2 0 0% −2.00
Matthew Chadwick 2 0 0% −2.00
Muted rows are under 30 rides.

Career highlights

lifetime archive, 2026→
5
Archived wins
£695k
Prize money
2026
Best season · 5 wins
Straight To Glory (AUS) — Guangdong-Hong Kong Cup (Handicap) (Course C) (Turf) Sha Tin (HK) · Jul 2026 · Class 3
£99,295
Lady's Love (AUS) — Sham Tseng Handicap Sha Tin (HK) · Oct 2026
£94,359
Team Happy (AUS) — Admiralty Handicap Happy Valley (HK) · Sep 2026
£70,568
Notable horses
Team Happy (AUS) Straight To Glory (AUS) Lady's Love (AUS) Wave Garden (NZ)

Sires in the string

progeny record · win % by ground and trip
Deep Field (AUS) 40% · 2–5
Progeny have won 8.6% of 105 runs since 2008 (41 horses).
Dundeel (NZ) 0% · 0–4
Progeny have won 3.4% of 29 runs since 2008 (11 horses). A small sample.
Hellbent (AUS) 25% · 1–4
Progeny have won 11.9% of 42 runs since 2008 (17 horses).
Mikki Isle (JPN) 0% · 0–4
Progeny have won 0% of 13 runs since 2008 (3 horses). A small sample.
Shamus Award (AUS) 0% · 0–4
Progeny have won 11.4% of 35 runs since 2008 (15 horses).
Toronado (IRE) 0% · 0–4
Progeny have won 10.6% of 3,853 runs since 2008 (417 horses). Weakest on Heavy going: 6.8% from 191. Strongest at trips under 6f (all codes): 15.5% from 142.
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 98 · newest first

The latest 50 of 98 archived runners, newest first. The full record runs from 27 May 2026 to 4 October 2026.

DateCourseHorseRaceFinishSP
04 Oct 26 Sha Tin (HK) Casa Of Honor (AUS)J: Matthew Poon Shing Mun Handicap5f · Good To Firm · 14 ran 2nd —
04 Oct 26 Sha Tin (HK) Lady's Love (AUS)J: Zac Purton Sham Tseng Handicap7f · Good To Firm · 14 ran 1st —
04 Oct 26 Sha Tin (HK) Leslie (AUS)J: Richard Kingscote The Yan Chai Trophy (Handicap)7f · Good To Firm · 14 ran 14th —
04 Oct 26 Sha Tin (HK) Team Happy (AUS)J: Matthew Poon Lo Wai Handicap7f · Good To Firm · 14 ran 1st —
04 Oct 26 Sha Tin (HK) Good Power (AUS)J: K C Leung Kwok Shui Handicap6f · Good To Firm · 14 ran 11th —
04 Oct 26 Sha Tin (HK) Mazing Grace (IRE)J: Richard Kingscote Chai Wan Kok Handicap8f · Standard · 14 ran 5th —
01 Oct 26 Sha Tin (HK) Casa Primo (AUS)J: Richard Kingscote Chongqing Handicap6f · Good To Firm · 14 ran 10th —
01 Oct 26 Sha Tin (HK) Rising From Ashes (AUS)J: James Orman Chongqing Handicap6f · Good To Firm · 14 ran 5th —
01 Oct 26 Sha Tin (HK) Romantic Laos (NZ)J: Jerry Chau Jinan Handicap9f · Good To Firm · 14 ran 4th —
01 Oct 26 Sha Tin (HK) Joy Together (AUS)J: Jerry Chau Chengdu Handicap7f · Good To Firm · 14 ran 11th —
01 Oct 26 Sha Tin (HK) Special Hedge (NZ)J: H T Mo Shenyang Handicap8f · Good To Firm · 14 ran 6th —
27 Sep 26 Sha Tin (HK) Glowing Praises (AUS)J: Britney Wong Magpie Handicap6f · Good To Firm · 12 ran 6th —
27 Sep 26 Sha Tin (HK) Dashing Peach (NZ)J: Lyle Hewitson Swallow Handicap6f · Standard · 12 ran 11th —
27 Sep 26 Sha Tin (HK) Prestige Superior (AUS)J: Richard Kingscote Woodpecker Handicap7f · Good To Firm · 14 ran 4th —
27 Sep 26 Sha Tin (HK) Kyoto Spring (IRE)J: K C Leung Peacock Handicap6f · Good To Firm · 12 ran 9th —
27 Sep 26 Sha Tin (HK) Wave Garden (NZ)J: Richard Kingscote Tropicbird Handicap6f · Standard · 12 ran 1st —
23 Sep 26 Happy Valley (HK) Straight To Glory (AUS)J: K C Leung Mount Butler Handicap6f · Good · 12 ran — —
23 Sep 26 Happy Valley (HK) Casa Buddy (NZ)J: H T Mo Island Handicap5f · Good · 12 ran — —
23 Sep 26 Happy Valley (HK) Healthy Pony (NZ)J: M L Yeung The Hong Kong Country Club Challenge Cup (handicap)8f · Good · 12 ran — —
23 Sep 26 Happy Valley (HK) Free Pony (AUS)J: M L Yeung Deep Water Bay Handicap6f · Good · 10 ran — —

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 C W Chang's strike rate?
C W Chang has won 5 of 98 runners since 2022, a strike rate of 5.1% (as at 22 October 2026). Figures are computed from our own results archive.
Which course does C W Chang do best at?
Sha Tin by strike rate: 4 wins from 64 runners (6.3%) 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 C W Chang's Fair A/E?
0.59, from 47 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).