FREQUENTLY ASKED QUESTIONS

Rankings are recalculated weekly via a scheduled background job. After each recalculation, a new snapshot is saved and the movement indicators (up/down arrows) show how each fighter's position has changed compared to the previous week.

In boxing, who you beat is the strongest indicator of your ability. A fighter with a 40-0 record against unknown opponents is not comparable to a fighter who is 35-3 against world champions. By weighting opposition quality at 45%, we ensure that fighters who consistently compete against elite opponents are rewarded, even if they have picked up a few losses along the way.

Yes. Losses and draws reduce the Win/Loss component, but if a fighter's opposition quality, title record, and activity are strong enough, they can absolutely be ranked #1. The penalties are designed to be meaningful but not devastating - 3 losses and 2 draws in a 68-fight career (like Canelo) results in a combined 0.106 penalty on the Win/Loss score, not a disqualification.

Activity is a tiebreaker, not a defining characteristic. A fighter who hasn't fought in 18 months shouldn't plummet in the rankings if their career resume is outstanding. However, consistently active fighters deserve a small edge over inactive ones with similar records. The 5% weight provides this nudge without overpenalizing fighters recovering from injuries or waiting for marquee matchups.

Fighter profiles and fight records are synced from an external boxing data API. The data is cleaned and deduplicated automatically to handle common issues like duplicate fight entries, accented name variations, and fighters listed under different names. Records are reconciled so that the highest known value for wins, losses, draws, and KO wins is always used.

No. Men's and women's P4P rankings are computed and displayed separately. The same algorithm and weights are used for both, but each gender has its own ranking list. On the P4P Rankings page, you can toggle between the men's and women's lists. Division pages work the same way: the P4P and Strength of Schedule tables there share a men's and women's tab, and each list is numbered from 1.

Strength of Schedule is a per-weight-class ranking that evaluates who has fought the toughest opponents within their division. While P4P ranks fighters across all weight classes, SOS answers the question: "Who has the hardest schedule in this division?"

Four components are combined into a composite score:

• Opponent records (40%) is the average win percentage of every opponent the fighter has faced.
• Opponents' opponents (20%) looks one step further out: the average win percentage of everyone those opponents have fought. A fighter whose opponents were themselves tested scores higher than one whose opponents padded their records.
• Title fights (25%) is the share of the fighter's bouts that were title fights, plus a volume bonus of 0.05 at four or more title fights, 0.10 at seven or more, and 0.15 at ten or more. The component is capped at 1.0, so a fighter who has only ever fought for titles cannot be pushed past the maximum.
• Venue significance (15%) is the average prestige of the venues a fighter has appeared in. Each bout scores 0.3 by default, and recognized major venues score higher: Madison Square Garden at 1.0, Wembley Stadium, MGM Grand, AT&T Stadium and Allegiant Stadium at 0.95, T-Mobile Arena and Tottenham Hotspur Stadium at 0.90, down to 0.70 for the smaller rooms on the list.

The composite is then scaled by a confidence factor based on how many fights we have on record, so a thin sample cannot ride a couple of marquee nights to the top of a division:

SOS is calculated for every fighter whose primary division is that weight class and who has at least one fight on record, so retired greats appear alongside active fighters. Unlike P4P, there is no minimum fight count to qualify, and the confidence factor does the work instead. Scores are recalculated in the same weekly snapshot as the P4P rankings. On a division page the men's and women's lists are shown separately, each numbered from 1.

Please use the Contact page to report data corrections. Include the fighter's name and what you believe is incorrect. We review all submissions and can apply manual overrides or trigger a data re-sync as needed.

The radar chart on each fighter's detail page displays five axes: Power, Durability, Activity, Opposition, and Win Rate. Durability is calculated using the formula:

The score starts at 1.0 (perfect) and subtracts 0.15 for each career loss, with a floor of 0. For example, a fighter with 2 losses scores 0.70, while an undefeated fighter scores 1.0. A fighter with 7 or more losses will score 0.

This metric reflects how few times a fighter has been beaten over their career. It does not account for the method of loss (KO vs. decision) or how long ago the losses occurred - only the total number of losses matters.

The Career Factor is used in the Win/Loss score to reduce the per-loss and per-draw penalty for fighters with longer careers. The idea is simple: the longer a career lasts, the more likely a fighter is to eventually lose, and the system should not punish longevity.

The number 200 is a normalization constant that defines the upper bound of the career-length adjustment. Very few fighters in boxing history have exceeded 200 professional fights, so it serves as a practical ceiling for career length.

The min(..., 0.50) cap ensures the career factor never drops below 0.50, so losses always carry at least half the base penalty. That cap kicks in at 100 fights (100 / 200 = 0.50).

In plain terms: a young fighter with 10 bouts pays nearly the full 0.04 per loss. A veteran with 50 fights pays 0.03. And a long-career fighter with 100+ fights pays the minimum of 0.02. The 200 simply sets how gradually that discount ramps up.