A/E compares actual wins with what starting prices implied. "Fair" strips the bookmaker margin from the expectation, so favourites and longshots are judged on the same footing — figures near 1.00 mean the market priced this horse about right.
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 Rating94Cthe best of the last 3 rated runs · Huntingdon, 15 May 2007Official rating 79at the last run, 28 Jul 2009
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 →
Jumps 6 figures · best 97C · median 82.5
Going
Runs
Best
Median
Since 27 Oct 2025
Good to Soft
4
97C
87.5
—
Soft
1
—
—
—
Heavy
1
—
—
—
Distance
Runs
Best
Median
Since 27 Oct 2025
1m5f – 2m
4
97C
89
—
2m1f – 2m4f
1
—
—
—
1m2f – 1m4f
1
—
—
—
Of 7 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 · 6 figures from 7 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
Erins Isle (IRE)
Progeny in our archive have won 9.8% of 112 runs since Jan 2008 (16 horses).
Going
Runs
Wins
SR
vs sire
This horse
Firm
2
1
50%
+40.2
—
Good to Firm
12
1
8.3%
−1.5
0 from 1
Good
37
6
16.2%
+6.4
—
Good to Soft
16
1
6.3%
−3.5
0 from 4
Soft
27
2
7.4%
−2.4
0 from 1
Heavy
15
0
0%
−9.8
0 from 1
Standard (AW)
3
0
0%
−9.8
—
Distance (all codes)
Runs
Wins
SR
vs sire
This horse
1m2f – 1m4f
9
0
0%
−9.8
0 from 1
1m5f – 2m
22
2
9.1%
−0.7
0 from 4
2m1f – 2m4f
39
5
12.8%
+3
0 from 2
2m5f – 3m
28
2
7.1%
−2.7
—
Over 3m
14
2
14.3%
+4.5
—
Flat and jumps together (all codes) · since Jan 2008 · as at 27 Oct 2026 · rows under 30 runs muted · win % is the measure, a record not a forecast
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.
Chicago Jazz (IRE) has yet to win, from 7 archived starts between 2006 and 2009.
Who trained Chicago Jazz?
Chicago Jazz (IRE) was trained by Heather Dalton on the most recent run on record, at Worcester on 28 July 2009.
Who is Chicago Jazz's sire?
Chicago Jazz (IRE) is by Erins Isle (IRE) out of Just Jazzy (GB), whose sire is Prince Tenderfoot.
What is Chicago Jazz's official rating?
The most recent official rating on record is 79, from the run on 28 July 2009. The highest on record is 82.
What is Chicago Jazz's sire's record?
Erins Isle (IRE)'s progeny in our archive have won 9.8% of 112 runs since Jan 2008 (16 horses), Flat and jumps together.
Who are Chicago Jazz's siblings?
Out of Just Jazzy (GB), Chicago Jazz (IRE) has 2 other produce in our archive, 0 of them winners. As at Oct 2026.
Chicago Jazz (IRE)·0–7·SR 0%
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