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Horse profile

Chatham House Rule (GB)

5yo gelding (at last run, Jul 2016) · Last trainer Gordon Elliott · Last owner Gigginstown House Stud
by Authorized (IRE) out of Cozy Maria (USA) (Cozzene)
16 runs · 11 courses · from May 2014
As at 4 Nov 2026 · KTB archive: GB, Ireland & France · 2005–present, updated daily
No run recorded since 29 Jul 2016 — 3,750 days ago. Our archive can't say whether the horse is still in training.
Last run Jul 2016 · 12th of 12 3 wins · Punchestown & Limerick Last raced off OR 126
KTB Profile

Chatham House Rule (GB) is 3 from 16. Hasn't won since May 2016. All 3 wins have come over 1m5f – 2m.

Based on 16 archived runs · updated 4 Nov 2026
Official rating126↓ 4lb off peak
126 75–130

KTB Speed and Rating

KTB Speed

No KTB Speed figures for this horse. The engine scores GB and Irish racing from Oct 2016; runs elsewhere, or earlier, have no figure.

KTB Speed v1 · batch 15 Sep 2026 · GB & Irish racing only · 0 figures from 0 runs · a record, not a forecast

KTB Rating

Best recent KTB Rating (jumps) 139A the best of the last 3 rated runs · Punchestown, 14 May 2016 Official rating 126 at the last jumps run, 29 Jul 2016

Best recent KTB Rating (flat) 78B the best of the last 3 rated runs · Kempton (AW), 23 Oct 2014 Official rating 75 at the last flat run, 23 Oct 2014

What the horse achieved in each race, in pounds on the official-rating scale, from the weight carried, the lengths beaten and the race's own level solved across the archive — never the market, never the official rating as a starting point. The headline is the best of the horse's last three rated runs on that code — its best recent day. The KTB Rating on a racecard is a different reading of the same figures: the level the horse has been running to, an average of up to its last six runs with the latest counting most, so the two can differ. A, B or C on a run is how much known form was in that race. What this means →

Jumps 11 figures · best 139A · median 110
GoingRunsBestMedianSince 4 Nov 2025
Soft6134A109—
Good2139A113.5—
Heavy2127B122—
Good to Firm1———
DistanceRunsBestMedianSince 4 Nov 2025
1m5f – 2m8139A109.5—
2m1f – 2m4f3117B114—
Flat 4 figures · best 78B · median 72.5
GoingRunsBestMedianSince 4 Nov 2025
Good270A68—
Standard (AW)1———
Good to Firm1———
DistanceRunsBestMedianSince 4 Nov 2025
1m2f – 1m4f478B72.5—

Of 16 runs looked at, 1 has no figure: did not complete (or a non-runner row) (1).

KTB Rating v1 · batch 3 Oct 2026 · GB & Irish racing only · 15 figures from 16 runs · as at 4 Oct 2026 · a record, not a forecast

Both figures are KTB's own, computed from the archive; no vendor rating enters either. Every run's figure is on its form line below with its grade. Grades measure how much the archive could see, never the merit of the run.

Run style is derived from in-running commentary, which our data provider does not supply for this horse's races.

Pedigree intelligence

Sire

Progeny in our archive have won 13.5% of 7,032 runs since Jul 2011 (543 horses).

Weakest on standard (aw) going: 9.3% from 1,044. Strongest at trips beyond 3m (all codes): 19.8% from 126. Weakest over 6f – 7f (all codes): 6.4% from 267.

GoingRunsWinsSRvs sireThis horse
Firm2400%−13.5—
Good to Firm5987612.7%−0.80 from 2
Good1,79025614.3%+0.81 from 4
Good to Soft1,11015614.1%+0.6—
Soft1,70024614.5%+11 from 6
Heavy76511915.6%+2.11 from 3
Standard (AW)1,044979.3%−4.20 from 1
Distance (all codes)RunsWinsSRvs sireThis horse
Under 6f800%−13.5—
6f – 7f267176.4%−7.1—
1m – 1m1f682629.1%−4.4—
1m2f – 1m4f1,70121912.9%−0.60 from 4
1m5f – 2m2,16635016.2%+2.73 from 9
2m1f – 2m4f1,47420513.9%+0.40 from 3
2m5f – 3m6087312%−1.5—
Over 3m1262519.8%+6.3—

Flat and jumps together (all codes) · since Jul 2011 · as at 4 Nov 2026 · rows under 30 runs muted · win % is the measure, a record not a forecast

Dam
Cozy Maria (USA) (Cozzene)

8 siblings in the archive, 3 winners — best of them Zebedee (GB) (6 wins).

The wins came over 5f–7f; the highest grade won is Group 2 (Zebedee (GB)).

ProduceRunsWinsWin tripsBest grade
Zebedee (GB)765f–6fGroup 2
Pategonia (GB)617fClass 5
Auntinet (GB)317fClass 5
Albaasha (IRE)60——
Citron Presse (USA)70——
Divine Consent (GB)100——
Satwa Son (IRE)20——
Cozi Bay (GB)10——

Record by conditions

GoingRunsWinsSR£1
Soft 6 1 17% +7.00
Good 4 1 25% +9.00
Heavy 3 1 33% −1.10
Good to Firm 2 0 0% −2.00
Standard (AW) 1 0 0% −1.00

ClassRunsWinsSR£1
Class 5 4 0 0% −4.00

CourseRunsWinsSR£1
Punchestown 3 2 67% +23.00
Limerick 3 1 33% −1.10
Fairyhouse 2 0 0% −2.00
Galway 1 0 0% −1.00
Roscommon 1 0 0% −1.00
Thurles 1 0 0% −1.00
Leopardstown 1 0 0% −1.00
Kempton (AW) 1 0 0% −1.00
Leicester 1 0 0% −1.00
Newcastle 1 0 0% −1.00
Thirsk 1 0 0% −1.00

DistanceRunsWinsSR£1
1m5f – 2m 9 3 33% +18.90
1m2f – 1m4f 4 0 0% −4.00
2m1f – 2m4f 3 0 0% −3.00

JockeyRunsWinsSR£1
B J Cooper 3 1 33% +10.00
Davy Condon 3 2 67% +11.90
Kevin Sexton 2 0 0% −2.00
Jack Kennedy 1 0 0% −1.00
Davy Russell 1 0 0% −1.00
L P Dempsey 1 0 0% −1.00
Barry Geraghty 1 0 0% −1.00
George Baker 1 0 0% −1.00
Ben Curtis 1 0 0% −1.00
Tom Queally 1 0 0% −1.00
P J McDonald 1 0 0% −1.00

HeadgearRunsWinsSR£1
None 9 2 22% +5.90
Tongue tie 7 1 14% +6.00

SeasonRunsWinsSR£1
2016 4 1 25% +9.00
2015 6 1 17% −4.10
2014 6 1 17% +7.00

TypeRunsWinsSR£1
Hurdle 7 2 29% +7.90
Chase 5 1 20% +8.00
Flat 4 0 0% −4.00

Splits include every sample, however small — muted rows are under 3 runs. A one-from-one record is a fact, not a trend: read the Runs column before the strike rate.

Form

DateCourseRace PosBtn Wgt ORKTB Jockey SP
2016 · 4 runs
29 Jul 16+46d Galway Guinness Handicap Hurdle 2m · Good · 12 ran 12/12 64 11-6 12688C Jack Kennedy 16/1
13 Jun 16+30d Roscommon Dermot Hughes Car Sales Novice Chase 2m½f · Good To Firm · 3 ran 2/3 14 11-7 —110C Davy Russell 4/7F
14 May 16+51d Punchestown Atc Celebrating 25 Years In Business Beginners Chase 2m · Good · 7 ran 1/7 11-10 —139A B J Cooper 12/1
24 Mar 16+87d Thurles Templemore Beginners Chase 2m2f · Yielding · 10 ran 3/10 3 11-8 —114A B J Cooper 4/7F
2015 · 6 runs
28 Dec 15+18d Limerick Cube Beginners Chase 2m1f · Heavy · 6 ran 2/6 13 11-5 —117B Kevin Sexton 3/1
10 Dec 15+60d Punchestown Punchestown For Events Beginners Chase 2m · Soft To Heavy · 10 ran UR/10 — 11-2 —— L P Dempsey 7/1
11 Oct 15+188d Limerick Dunraven Arms Hotel Hurdle 2m2f · Yielding · 5 ran 3/5 6 11-3 128109B B J Cooper 3/1
06 Apr 15+22d Fairyhouse Rea Grimes Property Consultants Hurdle (grade 3) 2m · Soft · 9 ran 7/9 9 11-4 128109A Davy Condon 16/1
15 Mar 15+35d Limerick Happy Mothers Day Hurdle 2m · Soft To Heavy · 6 ran 1/6 11-7 130127B Davy Condon 9/10F
08 Feb 15+39d Leopardstown Gala Retail Spring Juvenile Hurdle (Grade 1) 2m · Yielding · 8 ran 7/8 6 11-0 —101C Barry Geraghty 18/1
2014 · 6 runs
31 Dec 14+31d Punchestown Festival Hospitality On Sale 3-y-o Maiden Hurdle 2m · Soft · 14 ran 1/14 11-0 —134A Davy Condon 12/1
30 Nov 14+38d Fairyhouse Bar One Racing Juvenile 3-Y-O Hurdle (Grade 3) 2m · Yielding · 15 ran 12/15 6½ 10-9 —100C Kevin Sexton 66/1
23 Oct 14+126d Kempton (AW) Download The BetVictor App Now Maiden Stakes Class 5 · 1m4f · Standard · 6 ran 2/6 4 9-5 7578B George Baker 11/4
19 Jun 14+30d Leicester Glebe Maiden Stakes Class 5 · 1m4f · Good To Firm · 12 ran 3/12 1 8-12 —75A Ben Curtis 20/1
20 May 14+17d Newcastle Fosters Maiden Stakes Class 5 · 1m2f · Good · 11 ran 8/11 1 9-5 —66A Tom Queally 4/1
03 May 14 Thirsk Exclusive Ticket Giveaways At totepool Maiden Stakes Class 5 · 1m4f · Good · 13 ran 4/13 4½ 8-9 —70A P J McDonald 14/1

Quick answers

How many races has Chatham House Rule won?
Chatham House Rule (GB) won 3 of 16 archived starts between 2014 and 2016, a strike rate of 18.8%. Placed 7 times in total (43.8% of starts).
Who trained Chatham House Rule?
Chatham House Rule (GB) was trained by Gordon Elliott on the most recent run on record, at Galway on 29 July 2016.
Who is Chatham House Rule's sire?
Chatham House Rule (GB) is by Authorized (IRE) out of Cozy Maria (USA), whose sire is Cozzene.
What going does Chatham House Rule prefer?
Chatham House Rule (GB) has the best record on heavy going: 1 win from 3 starts (33.3%). Only going bands with at least three archived starts are read, so this is a direction rather than a settled preference.
What is Chatham House Rule's official rating?
The most recent official rating on record is 126, from the run on 29 July 2016. The highest on record is 130.
What is Chatham House Rule's sire's record?
Authorized (IRE)'s progeny in our archive have won 13.5% of 7,032 runs since Jul 2011 (543 horses), Flat and jumps together. Weakest on standard (aw) going: 9.3% from 1,044. Strongest at trips beyond 3m (all codes): 19.8% from 126. Weakest over 6f – 7f (all codes): 6.4% from 267.
Who are Chatham House Rule's siblings?
Out of Cozy Maria (USA), Chatham House Rule (GB) has 8 other produce in our archive, 3 of them winners. Most wins: Zebedee (GB) (6). Highest grade won: Group 2 (Zebedee (GB)). The wins came over 5f–7f. As at Nov 2026.

Record shown from May 2014. Our archive holds racing in Great Britain, Ireland and France from January 2005. Any runs before that, or in other countries, are not in it. In-running comments are available from 2024 onward.