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Horse profile

Rostropovich (IRE)

3yo colt (at last run, Sep 2018) · Last trainer A P O'Brien · Last owner Michael Tabor Derrick Smith Mrs John Magnier M J Jooste
by Frankel (GB) out of Tyranny (GB) (Machiavellian)
12 runs · 9 courses · from May 2017
As at 28 Oct 2026 · KTB archive: GB, Ireland & France · 2005–present, updated daily
No run recorded since 15 Sep 2018 — 2,965 days ago. Our archive can't say whether the horse is still in training.
Last run Sep 2018 · 1st of 6 Won last time out 4 wins · 4 courses Last raced off OR 113
KTB Profile

Rostropovich (IRE) is 4 from 12, including a Group 2 win. The biggest win we hold: the Galileo Irish EBF Futurity Stakes at Curragh (IRE) (Aug 2017). Won last time out at Leopardstown.

Based on 12 archived runs · updated 28 Oct 2026
Official rating113↓ 1lb off peak
113 94–114

KTB Speed and Rating

KTB Speed

Best recent Speed 138 the best of the last 3 graded (A or B) runs · Ascot, 28 Jul 2018

How fast the horse ran, as points against the day-corrected standard time for its course and distance: 100 is the median GB Class 4 handicap winner on that code; one point is 0.1% of the standard time. A, B or C is how much the day's card could tell us, not how good the run was. What this means →

Flat 10 figures · best 138A · median 94
GoingRunsBestMedianSince 28 Oct 2025
Good to Firm5138A94—
Good398A76—
Heavy1———
Soft1———
DistanceRunsBestMedianSince 28 Oct 2025
1m2f – 1m4f5138A98—
6f – 7f5103C81—

KTB Speed v1 · batch 15 Sep 2026 · GB & Irish racing only · 10 figures from 10 runs · as at 3 Oct 2026 · a record, not a forecast

KTB Rating

Best recent KTB Rating 101A the best of the last 3 rated runs · Curragh, 30 Jun 2018 Official rating 113 at the last run, 15 Sep 2018

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. A, B or C on a run is how much known form was in that race. What this means →

Flat 10 figures · best 101A · median 92.5
GoingRunsBestMedianSince 28 Oct 2025
Good to Firm5101A92—
Good398A96—
Heavy1———
Soft1———
DistanceRunsBestMedianSince 28 Oct 2025
1m2f – 1m4f5101A95—
6f – 7f596A83—

KTB Rating v1 · batch 3 Oct 2026 · GB & Irish racing only · 10 figures from 10 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 18% of 7,521 runs since Jan 2008 (878 horses).

Weakest on heavy going: 12.8% from 329. Weakest over 2m1f – 2m4f (all codes): 12.3% from 268.

GoingRunsWinsSRvs sireThis horse
Firm15426.7%+8.7—
Good to Firm1,28025920.2%+2.21 from 5
Good1,91536218.9%+0.92 from 3
Good to Soft1,02017517.2%−0.8—
Soft1,11116214.6%−3.41 from 2
Heavy3294212.8%−5.20 from 2
Standard (AW)1,85135018.9%+0.9—
Distance (all codes)RunsWinsSRvs sireThis horse
Under 6f651116.9%−1.1—
6f – 7f1,26323618.7%+0.72 from 5
1m – 1m1f1,98037118.7%+0.70 from 1
1m2f – 1m4f2,88254618.9%+0.92 from 6
1m5f – 2m96815115.6%−2.4—
2m1f – 2m4f2683312.3%−5.7—
2m5f – 3m8467.1%−10.9—
Over 3m1100%−18—

Flat and jumps together (all codes) · since Jan 2008 · as at 28 Oct 2026 · rows under 30 runs muted · win % is the measure, a record not a forecast

Dam
Tyranny (GB) (Machiavellian)

8 siblings in the archive, 6 winners — best of them Zoffany (IRE) (5 wins).

The wins came over 6f–1m2½f; the highest grade won is Group 1 (Zoffany (IRE)).

ProduceRunsWinsWin tripsBest grade
Zoffany (IRE)1156f–7fGroup 1
That's Plenty (IRE)1657f–1m2½fClass 3
Wilshire Boulevard (IRE)726f–6½fGroup 3
Queen Of Mean (GB)216fClass 5
Knocknagree (IRE)411m—
Landikusic (IRE)511m—
Good For Her (GB)50——
Danvers (GB)20——

Record by conditions

GoingRunsWinsSR£1
Good to Firm 5 1 20% −3.00
Good 3 2 67% +2.33
Soft 2 1 50% +0.38
Heavy 2 0 0% −2.00

ClassRunsWinsSR£1
Class 1 3 1 33% +0.50

CourseRunsWinsSR£1
Leopardstown 2 1 50% +0.00
Ascot 2 0 0% −2.00
Curragh 2 0 0% −2.00
Chantilly (FR) 1 0 0% −1.00
Chester 1 1 100% +2.50
Longchamp (FR) 1 0 0% −1.00
Curragh (IRE) 1 1 100% +1.38
Naas 1 0 0% −1.00
Gowran Park (IRE) 1 1 100% +0.83

DistanceRunsWinsSR£1
1m2f – 1m4f 6 2 33% −0.50
6f – 7f 5 2 40% −0.79
1m – 1m1f 1 0 0% −1.00

JockeyRunsWinsSR£1
Ryan Moore 6 2 33% −0.12
Donnacha O'Brien 3 1 33% −1.00
Seamie Heffernan 2 1 50% −0.17
P B Beggy 1 0 0% −1.00

HeadgearRunsWinsSR£1
Tongue tie 7 3 43% +0.88
None 5 1 20% −3.17

SeasonRunsWinsSR£1
2018 7 2 29% −1.50
2017 5 2 40% −0.79

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 ORSpdKTB Jockey SP
2018 · 7 runs
15 Sep 18+49d Leopardstown Paddy's Rewards Club Stakes (Group 3) 12f · Good To Firm · 6 ran 1/6 9-1 11394A95B Donnacha O'Brien EvensF
28 Jul 18+28d Ascot King George VI And Queen Elizabeth Stakes (Sponsored By Qipco) (Group 1) Class 1 · 12f · Good To Firm · 7 ran 5/7 shd 8-10 114138A76A Seamie Heffernan 12/1
30 Jun 18+8d Curragh Dubai Duty Free Irish Derby (Group 1) 12f · Good To Firm · 12 ran 2/12 ½ 9-0 108100A101A P B Beggy 25/1
22 Jun 18+19d Ascot King Edward VII Stakes (Group 2) Class 1 · 12f · Good To Firm · 9 ran 2/9 1¾ 9-0 10794B92A Donnacha O'Brien 7/1
03 Jun 18+24d Chantilly (FR) Qipco Prix du Jockey Club (3yo Colts & Fillies) (Turf) 10.5f · Soft · 16 ran 9/16 1¼ 9-2 ——— Ryan Moore 13/2
10 May 18+25d Chester Homeserve Dee Stakes (Listed) Class 1 · 10.5f · Good · 7 ran 1/7 9-0 10598A98A Ryan Moore 5/2F
15 Apr 18+217d Longchamp (FR) Prix de Fontainebleau (3yo Colts) (Turf) 8f · Heavy · 5 ran 4/5 1¼ 9-2 ——— Ryan Moore 31/10
2017 · 5 runs
10 Sep 17+21d Curragh Goffs Vincent O'Brien National Stakes (Group 1) 7f · Soft To Heavy · 7 ran 3/7 2¾ 9-3 10788A93A Ryan Moore 7/1
20 Aug 17+43d Curragh (IRE) Galileo Irish EBF Futurity Stakes 7f · Yielding To Soft · 5 ran 1/5 9-3 94103C83B Ryan Moore 11/8F
08 Jul 17+13d Naas J F Dunne Insurances Since 1977 Race (Plus 10) 7f · Good · 3 ran 3/3 nk 9-7 —76C83C Donnacha O'Brien 10/11F
25 Jun 17+30d Gowran Park (IRE) Irish Stallion Farms EBF Maiden (Plus 10 Race) 7f · Good · 9 ran 1/9 9-5 —70A96A Seamie Heffernan 5/6F
26 May 17 Leopardstown Irish Stallion Farms EBF Maiden 7f · Good To Firm · 12 ran 7/12 nk 9-5 —81A74A Ryan Moore 11/4

Quick answers

How many races has Rostropovich won?
Rostropovich (IRE) won 4 of 12 archived starts between 2017 and 2018, a strike rate of 33.3%. Placed 6 times in total (50% of starts).
Who trained Rostropovich?
Rostropovich (IRE) was trained by A P O'Brien on the most recent run on record, at Leopardstown on 15 September 2018.
Who is Rostropovich's sire?
Rostropovich (IRE) is by Frankel (GB) out of Tyranny (GB), whose sire is Machiavellian.
What going does Rostropovich prefer?
Rostropovich (IRE) has the best record on good going: 2 wins from 3 starts (66.7%). Only going bands with at least three archived starts are read, so this is a direction rather than a settled preference.
What is Rostropovich's official rating?
The most recent official rating on record is 113, from the run on 15 September 2018. The highest on record is 114.
What is Rostropovich's sire's record?
Frankel (GB)'s progeny in our archive have won 18% of 7,521 runs since Jan 2008 (878 horses), Flat and jumps together. Weakest on heavy going: 12.8% from 329. Weakest over 2m1f – 2m4f (all codes): 12.3% from 268.
Who are Rostropovich's siblings?
Out of Tyranny (GB), Rostropovich (IRE) has 8 other produce in our archive, 6 of them winners. Most wins: Zoffany (IRE) (5). Highest grade won: Group 1 (Zoffany (IRE)). The wins came over 6f–1m2½f. As at Oct 2026.

Record shown from May 2017. Our archive holds racing in Great Britain, Ireland and France from January 2005. Runs in other countries are not in it, and earlier runs are not available from our data provider. In-running comments are available from 2024 onward.