H&G All-Time Index v1.2.3 public fighter card
Billy Costello
Billy Costello ranks #686 in the H&G All-Time Index at Super Lightweight, with a 73.37 All-Time Index score and a 40-2-0 professional record. His career span on this page is 1979-1999. Billy Costello was born in 1956 and died in 2011; country context is United States. The rating dataset covers 34 bouts from 1979 to 1999. The rating is built from the same six published dimensions as the rest of the list. Peak-form reaches 1,832 in 1999.
Rankings: H&G All-Time Index v1.2.3, computed from fights up to . Index and Peak-form Elo stay fixed to that fight-data cutoff; displayed records may include later record-only corrections.
Career highlights
Shown only where the v1.2.3 data supports the claim. Empty or unsupported fields are hidden.
H&G All-Time Index profile - v1.2.3
Billy Costello at a glance
A public H&G All-Time Index v1.2.3 visual. The curve shows yearly peak-form Elo rating points, not the 0-100 ranking index.
All-time rank
#686Ranked in the H&G All-Time Index v1.2.3 public top 1000
H&G All-Time Index
73.370-100 ranking index. This is the number that orders the list.
Peak-form Elo rating
1,832Best-point rating on a separate scale, not directly comparable with the index. Posterior band ±429. 1999-06-18
Division
Super LightweightActive years: 1979-1999
Career record
40-2-0Published professional record summary
Data Confidence
MediumSolid but wider career evidence. Treat close ranks with extra care. Peak-form band: ±429 Elo.
Prime window
Long prime1981-1999 high-rating window
Version
v1.2.3Current H&G All-Time Index release
Why this placement
Why this placement
Billy Costello ranks #686 with a 73.37 score on the 60-100 H&G All-Time Index. The resolved-opponent data also shows a 2-fight series with Kato Ali, with his release-row line at 2-0-0. Data Confidence is Medium, so the rating should be read with wider uncertainty. Peak-form Elo is 1,832 (±429), separate from the 60-100 career Index.
Six-dimension breakdown
Bars show each weighted signal's relative size. Gold lifts the placement; grey holds it back.
How much the record is helped by wins over contemporaneous title-level opponents.
Same-era separation left after the shared peak and sustained rating signal is removed.
How much major title evidence supports the rating.
How much repeat elite-year presence supports the all-time case.
A narrow signal for lineal, explicit undisputed or major multi-belt class control in this release data; it is not a full title history.
Collapsed signal from peak rating, sustained rating and same-era separation.
| Rank | #686 |
|---|---|
| Rank detail | Ranked in the H&G All-Time Index v1.2.3 public top 1000 |
| H&G All-Time Index | 73.37 on the 0-100 ranking index scale |
| Peak-form Elo rating | 1,832 at 1999-06-18; separate scale; posterior band ±429 |
| Data Confidence | Medium: Solid but wider career evidence. Treat close ranks with extra care. Peak-form band: ±429 Elo. |
| Division and active years | Super Lightweight, 1979-1999 |
| Career record | 40-2-0 |
| Rating evolution | 1979: 1,705; 1980: 1,718; 1981: 1,751; 1982: 1,779; 1983: 1,790; 1984: 1,791; 1985: 1,781; 1986: 1,768; 1992: 1,800; 1993: 1,806; 1994: 1,810; 1995: 1,812; 1997: 1,821; 1999: 1,832 |
Rating summary - All-Time Index card - v1.2.3
Billy Costello
An H&G All-Time Index v1.2.3 summary card for rank context, career context and comparison. Read close ranks with the Data Confidence label beside them.
Versioned card
H&G All-Time Index v1.2.3
For context or disputes, use the methodology, versions and corrections pages.