Windsor 16:45 RESULTED
Class 3 7 Sep 2026

Monday 7 September G J Colairo Diamond Fillies' Novice Stakes (GBB/GBBPlus Race)

G J Colairo Diamond Fillies' Novice Stakes (GBB/GBBPlus Race) · 1m2f0y

Official Result

G J Colairo Diamond Fillies' Novice Stakes (GBB/GBBPlus Race)

Confirmed
  1. Winner Without Prejudice (IRE) William Buick · John & Thady Gosden
    1/4F
  2. 11/1
  3. 40/1
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Settled
  • 8 declared
  • 0 picked
Saturday Draw Updated 2 weeks ago
No.
Horse
Form
Jockey / Trainer
OR
SR?
RPR/OR
Age
Wgt
AI
Votes
Odds
Pick
Comment
1
Without Prejudice silks
Without Prejudice
Age 3 · 9-9
1
158
3
9-9
4/11 2/5 3/10
Favourable weight of 9-9 gives a real edge in this handicap.
AI verdict

Favourable weight of 9-9 gives a real edge in this handicap.

2
Lissahane Lass silks
Lissahane Lass
Age 4 · 9-8
00
124
4
9-8
250/1 125/1 80/1
SR 124 suggests ability but 150/1 reflects a stiff ask in this field.
AI verdict

SR 124 suggests ability but 150/1 reflects a stiff ask in this field.

3
Sister Cecilia silks
Sister Cecilia
Age 4 · 9-8
-
128
4
9-8
22/1 16/1 10/1
SR 128 suggests ability but 22/1 reflects a stiff ask in this field.
AI verdict

SR 128 suggests ability but 22/1 reflects a stiff ask in this field.

4
Stopherandgo silks
Stopherandgo
Age 9 · 9-8
074
30
10
30OR
9
9-8
200/1 FCST 100/1
SR 10 is modest for this company — needs everything to go right at 125/1.
AI verdict

SR 10 is modest for this company — needs everything to go right at 125/1.

5
Astrid silks
Astrid
Age 3 · 9-2
73
132
3
9-2
22/1 22/1 16/1
SR 132 is competitive — each-way claims if conditions suit on the day.
AI verdict

SR 132 is competitive — each-way claims if conditions suit on the day.

6
Aura Champagne silks
Aura Champagne
Age 3 · 9-2
3-33
77
80
77OR
3
9-2
9/1 9/2 5/1
SR 80 is competitive — each-way claims if conditions suit on the day.
AI verdict

SR 80 is competitive — each-way claims if conditions suit on the day.

7
Saaffya silks
Saaffya
Age 3 · 9-2
146
3
9-2
12/1 11/2 13/2
SR 146 is competitive — each-way claims if conditions suit on the day.
AI verdict

SR 146 is competitive — each-way claims if conditions suit on the day.

8
Yamnah silks
Yamnah
Age 3 · 9-2
153
3
9-2
5/1 5/2 3/1
Favourable weight of 9-2 gives a real edge in this handicap.
AI verdict

Favourable weight of 9-2 gives a real edge in this handicap.

Horse Bet365 Paddy Power Coral Ladbrokes William Hill Betfred Best
1 Without Prejudice 4/11 open 1.73 4/11 open 1.44 3/10 open 1.57 3/10 open 1.57 3/10 open 1.57 2/5 2/5 Betfred
2 Lissahane Lass 250/1 open 151.00 200/1 open 151.00 80/1 open 151.00 80/1 open 151.00 200/1 open 151.00 200/1 open 126.00 250/1 Bet365
3 Sister Cecilia 22/1 open 26.00 18/1 open 17.00 10/1 open 21.00 10/1 open 21.00 18/1 open 21.00 16/1 open 19.00 22/1 Bet365
4 Stopherandgo 200/1 open 151.00 125/1 open 101.00 150/1 open 126.00 150/1 open 126.00 150/1 open 126.00 100/1 200/1 Bet365
5 Astrid 22/1 open 26.00 20/1 open 26.00 16/1 open 26.00 16/1 open 26.00 20/1 open 26.00 18/1 open 23.00 22/1 Bet365
6 Aura Champagne 9/1 open 5.50 17/2 open 6.50 5/1 5/1 9/1 open 6.00 8/1 open 7.50 9/1 Bet365
7 Saaffya 12/1 open 12.00 11/1 open 6.50 13/2 open 8.50 13/2 open 8.50 11/1 open 8.50 10/1 open 7.50 12/1 Bet365
8 Yamnah 5/1 open 3.50 9/2 open 7.50 3/1 open 5.00 3/1 open 5.00 5/1 open 5.00 4/1 open 6.50 5/1 Bet365

Prices update each odds sync. Green ▼ = shortened (steamer), Red ▲ = drifted, Blue = = unchanged since last sync. Best column highlights the bookmaker offering the longest price.

Chamber Verdict

Balanced lens

Without Prejudice

High conviction

Without Prejudice owns one of the strongest chamber scores in this field. The Balanced lens likes the blend of SR strength (88) and market confidence (98). The profile stays composed even after the chamber introduces race-day variance.

4/11 John & Thady Gosden William Buick
78% Confidence
⚠ Danger Runner

Yamnah

Nearest rival if the simulation drifts off the primary path.

5/1 · John & Thady Gosden
✓ Value Signal

Lissahane Lass

Strongest upside if you want a less obvious route through the field.

250/1 · Simon Hodgson
◈ Chamber Memory

Balanced

Even weighting across form, market confidence and race-day volatility.

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Chamber Signals

How the chamber read the race

Why this horse Live cards showing how the active lens weighted each signal for this outcome.
Speed rating Dominant
88 / 100
⚖ Weight 38% +33.4 pts

Base ability signal derived from the runner's best available speed figure.

Market confidence Dominant
98 / 100
⚖ Weight 22% +21.6 pts

Transforms live price respect into a confidence signal inside the chamber.

Pace profile Live signal
60 / 100
⚖ Weight 12% +4.8 pts

How cleanly the runner's engine fits the projected rhythm and pressure map.

Value edge Speculative
46 / 100
⚖ Weight 10% +4.6 pts

Shows whether the current price still leaves enough upside in the pick.

Chaos factor Dominant
41 / 100
⚖ Weight 10% +4.1 pts

Controlled volatility that keeps the simulation realistic and stress-tests the profile.

Favourite bias Live signal
62 / 100
⚖ Weight 8% +5.0 pts

Extra certainty applied when the active lens wants to trust the obvious market leader.

Top chamber signals Top 5 ranked by the active lens.
1 1. Without Prejudice
74.6 4/11
2 8. Yamnah
68.7 5/1
3 7. Saaffya
66.1 12/1
4 5. Astrid
52.5 22/1
5 2. Lissahane Lass
51.5 250/1
YOUR DECISION

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🤖 AI view
Without Prejudice
Medium

When the models line up, pay attention. When they split, the value may be elsewhere.

Read the AI breakdown →
The Race Engine combines three independent signals to help you see the race clearly
📊
SR

Saturday Rating

Proprietary ability score 0–200. How good the horse actually is — independent of market opinion.

Ability
🤖
★★★★★

AI Stars

A race-day probability signal for today's conditions — form trajectory, going, suitability and weight.

Today's Chance
🐾
0

Cub Votes

One Cub. One horse. One shot. Follow the crowd — or fade it.

Community Signal

Market Movers Horses at 20/1 or shorter

1
Age 3 · 9-9
4/11
★★★★☆ SR 158 🐾

Favourable weight of 9-9 gives a real edge in this handicap.

8
Age 3 · 9-2
5/1
★★★★☆ SR 153 🐾

Favourable weight of 9-2 gives a real edge in this handicap.

6
Age 3 · 9-2
9/1
★★★☆☆ SR 80 🐾

SR 80 is competitive — each-way claims if conditions suit on the day.

7
Age 3 · 9-2
12/1
★★★☆☆ SR 146 🐾

SR 146 is competitive — each-way claims if conditions suit on the day.

🤖AI Intelligence Saturday Racing's analytical engine

Saturday Racing AI
Without Prejudice
Confidence: Medium

Without Prejudice (SR 158, 1/2) is the dominant pick here. She is the only runner with a proven win on her card — a debut victory — and the SR of 158 towers over the next-best Yamnah (SR 153) and Saaffya (SR 146). The Gosden yard runs at 25% strike rate across 793 runners, William Buick books at 21% across 414 rides, and the market has shortened a further 7% since opening, confirming professional confidence. At 9-9 she carries 7lb more than the lighter-weighted trio but that differential is negligible given the SR gap and the class context of a Class 3 novice. Each-way alternative: Yamnah. Main danger: Yamnah — Yamnah (SR 153, 9/2) is the Gosden yard's second string but has steamed in 14% since opening and carries 7lb less than Without Prejudice — if she is the more forward of the two stablemates on the day, that weight pull on good ground over 1m2f could materialise into a genuine threat.

Case against 4 clamped
  • Without Prejudice won on debut 38 days ago in what appears to be a single run — her SR of 158 is based on one data point, leaving significant uncertainty about whether that form will translate or imp…
  • Stablemate Yamnah (SR 153, 9/2) has drifted in more sharply at +14% market move and the Gosden yard may be splitting confidence between the two, with Marquand's booking suggesting stable preference c…
  • At 9-9 she concedes 7lb to the three-year-old lightly-weighted rivals (9-2) including Saaffya and Astrid — in a novice fillies' context that weight pull over 10f+ at Windsor can be decisive against d…
  • Aura Champagne (15/2) has drifted out 19% in the market today, suggesting the book is not convinced the race is as straightforward as the headline odds imply, potentially reflecting inside doubts abo…
Shortlist Without Prejudice, Yamnah, Saaffya, Astrid
Each-way: Yamnah Danger: Yamnah

🗺 The Course Class 3

1m2f0y Distance to cover
Good Expected going
8 Confirmed runners
Windsor Track and setting
Class 3 Race grade