5

Dioptase

4yo Gelding · 8-11

Chantilly · Prix Tilbury - Gueudet Agri Oise&Marne Stakes - Awt · 1m 1f 97y

#2

Rank

Odds

10/1

Win Prob

73%

Place Prob

46%

Rank

#2

Class Advantage Projection

Class readCLASS EDGE
BEATS ITS MARKoutruns its handicap mark
Move
Strength43%

What the class read says

The stable looks to have run this horse in stronger races to keep its official rating low — today's class drop may be intentional. Worth watching at a price. Crucially, it keeps finishing ahead of what its handicap mark implies — it looks ahead of the handicapper.

Held its own mid-division in 3 of 3 stronger races — solid form context.

Dropping 2 class levels from its toughest race — well-positioned today.

Class-adjusted form 5.6 /10 (raw 4.0)

Highest class:
Recent avg: C1.3
Today: 2
Class gap: +0.7
Higher-class runs: 3
Stronger class form context

Handicap Mark vs Finish

FrontBackC1 @ Compiegne 24/07/2025 · Pos 3rd of 8 · OR 101 · 1m1f207y Hvy 128 · HIGHER CLASS · beat its mark24/07/2025 · OR 101 par24/07C1OR 101C1 @ Marseille-borely 15/09/2025 · Pos 3rd of 9 · OR 101 · 1m1f207y Hvy 125 · HIGHER CLASS · beat its mark15/09/2025 · OR 101 parC0 @ Meydan 09/01/2026 · Pos 4th of 12 · OR - · 1m1f Gd 1279/01C?C0 @ Meydan 28/02/2026 · Pos 6th of 8 · OR 100 · 1m1f Gd 126 · HIGHER CLASS · beat its mark28/02/2026 · OR 100 parC0 @ Meydan 13/03/2026 · Pos 10th of 14 · OR - · 1m Gd 13613/03C?1 @ Chantilly 31/05/2026 · Pos 13th of 17 · OR - · 1m1f207y Sft 132 · HIGHER CLASS1 @ Saint-Cloud 28/06/2026 · Pos 5th of 7 · OR 104 · 7f209y GS 123 · HIGHER CLASS · beat its mark28/06/2026 · OR 104 par28/061OR 1042 @ Dieppe 30/07/2026 · Pos 2nd of 9 · OR 104 · 1m208y GS 123 · beat its mark30/07/2026 · OR 104 par2 @ Clairefontaine 21/08/2026 · Pos 2nd of 5 · OR 104 · 1m208y Ver 123 · beat its mark21/08/2026 · OR 104 par21/082OR 104projClass-projected finish: 3rd of 8
Mark par — where its OR said it should finishActual finishProjected finish today — green strong → red weakDot colour = race gradeRing = higher class than today
DateCourseClsPosAdjGap
2026-08-21Clairefontaine22nd2nd0
2026-07-30Dieppe22nd2nd0
2026-06-28Saint-Cloud15th4th+1
2026-05-31Chantilly113th12th+1
2026-03-13Meydan?10th10th0
2026-02-28Meydan?6th4th+2

Position-In-Market Trend

0255075100today24/0728/0228/0621/08
Expected Actual Regression 68% CI
Projected finish2nd of 988% of fieldRange 1-8 · 68%
OVER-DELIVERINGfinishes above its price
Trend
Strength69%

Delivery trend +0.5% per run

What the projection says

Consistently finishes ahead of what its market price implied — the model reads it well above the odds. Projected 2nd of 9.

DatePosSPExpActΔ
24/07/20253rd11/486%71%-0.14
15/09/20253rd9/276%75%-0.01
09/01/20264th50/10%73%+0.73
28/02/20266th50/10%29%+0.29
13/03/202610th20/10%31%+0.31
31/05/202613th33/10%25%+0.25
28/06/20265th5/174%33%-0.40
30/07/20262nd16/116%88%+0.72
21/08/20262nd4/179%75%-0.04