Strength Score
The Strength Score evaluates the quality of a fighter's resume. While Dominance measures how you win, Strength measures who you beat and how your record holds up under scrutiny.
Scores range from 0 to 100. A fighter with a flashy record against weak opponents will score lower than someone with a tougher path.
What Goes Into It
| Factor | Weight | What It Measures |
|---|---|---|
| Win Rate vs Quality | 40% | Win percentage, weighted by opponent tier |
| Opponent Caliber | 30% | Average dominance score of opponents faced (SoS) |
| Loss Quality | 20% | How competitive the fighter was in their losses |
| Title Experience | 10% | Fraction of fights that were title bouts |
Win Rate Capping
The most important feature of the Strength Score is that win rate is capped by opponent caliber. A 90% win rate against weak opponents gets heavily discounted, while a 65% win rate against elite competition is rewarded.
The formula squares the ratio of opponent caliber to a baseline (55), so the penalty is steep for fighters who pad records:
- Avg opponent caliber of 55+ (strong schedule): no cap applied
- Avg opponent caliber of 40 (moderate schedule): win rate contribution reduced by ~47%
- Avg opponent caliber of 30 (weak schedule): win rate contribution reduced by ~70%
Loss Quality
Not all losses are the same. A split-decision loss to an Elite fighter where you out-struck your opponent is far more forgivable than a first-round KO against a Low-tier opponent. Loss quality considers:
- How competitive you were (strikes, control, knockdowns, takedowns — 80% of loss score)
- How you lost (decision vs early finish — 10%)
- Who you lost to (opponent caliber — 5%)
- How long you lasted (rounds survived — 5%)
When a fighter has no losses, they receive a high default loss quality score (75).
Sample Size Confidence
Like Dominance, Strength is pulled toward 50 for fighters with fewer than 8 fights to prevent small samples from producing misleading scores.
Strength Labels
| Score Range | Label |
|---|---|
| 75+ | Elite Strength |
| 60-74 | Strong |
| 45-59 | Average |
| 35-44 | Below Average |
| < 35 | Weak |
Example Calculation
Fighter B has 12 fights, 9 wins (75% win rate). Average opponent dominance is 58 (strong schedule). Average loss quality is 62 (competitive losses). 2 of 12 fights were title bouts (16.7%).
Win rate component: 0.40 x 75 x min(1.0, (58/55)^2) = 0.40 x 75 x 1.0 = 30.0
Opponent caliber: 0.30 x 58 = 17.4
Loss quality: 0.20 x 62 = 12.4
Title experience: 0.10 x 16.7 = 1.67
Raw strength = 30.0 + 17.4 + 12.4 + 1.67 = 61.5
With 12 fights (full confidence): Strength Score = ~62 (Strong).
Compare with Fighter C who has the same 75% win rate but against weaker opponents (avg caliber 35):
Win rate component: 0.40 x 75 x min(1.0, (35/55)^2) = 0.40 x 75 x 0.405 = 12.15
Opponent caliber: 0.30 x 35 = 10.5
Loss quality: 0.20 x 62 = 12.4
Title experience: 0.10 x 0 = 0.0
Raw strength = 12.15 + 10.5 + 12.4 + 0.0 = 35.05
Fighter C gets Strength Score = ~35 (Below Average) — the same win rate but a much weaker resume.