METRICS GUIDE
Every stat on this page, explained
All stats are calculated from official fight data. Style scores are Combatrics proprietary ratings updated after every event.
UFC Fight Night: Jung vs. Ige
Las Vegas, USA
19 Jun 2021
Welterweight
VS
59%
Williams
41%
Semelsberger
Win Probability
Decision
Round 3 · 5:00
★ Official Result
Khaos WilliamswinsDecisionR3 · 5:00
def. Matthew Semelsberger · UFC Fight Night: Jung vs. Ige
Fight Report
Pre-fight analysis · prediction vs result
Prediction vs Result
We predicted
Williams
→
Actual result
Williams wins
Decision · R3
Pre-fight analysis
This is a genuine toss-up — Williams at 59% vs Semelsberger at 41% (CFR ratings). One of the hardest fights to call on the card.
Key angles
The CFR gap of 19 points suggests a clear performance difference on paper.
Striking split: Williams throws more volume but Semelsberger connects at a higher rate — quality vs quantity.
Risk flags
Semelsberger has a chin rating of 48 — a potential KO vulnerability.
This Fight — Statistics
Actual stats from this bout
WilliamsSemelsberger
0
Sig. Strikes
0
0.0
Strikes / min (SLpM)
0.0
—
Strike Accuracy
—
Williams
Semelsberger
Physical Matchup
Height · Reach · Age · Stance
6'0"
Height
+6'1"
77"+
Reach
75"
32+
Age
33
Orthodox
Stance
Switch
Williams
Semelsberger
Composite Fighter Rating
Overall score combining performance, win quality, momentum & durability
63.7
45.1
54.6
Performance Avg
41.6
49
Quality of Victory
39
87
Momentum Score
84
Williams
Semelsberger
Striking
Career averages · see This Fight stats above
2.0
1.2
40%
Strike Accuracy
43%
8.4
Striking Style Score (/10)
4.9
5 KOs
KO Finishes
2 KOs
Strike targetStrike target
19
Head
16
10
Body
3
7
Leg
4
RangeRange
36Distance23
0Clinch0
0Ground0
Williams
Semelsberger
Grappling
Career averages · see This Fight stats above
0.7
/ 10
1.4
/ 10
0.5
Wrestling Style (/10)
1.0
0.0
Submission Style (/10)
0.0
0
Submission wins
0
Per-fight takedown stats will populate after live card results are scraped
Williams
Semelsberger
Durability / Chin
Resilience against knockouts and stoppages
82
48
Never stopped
Verdict
KO risk
0
KO/TKO Losses
2
1
Sub Losses
0
—
KO round context
Avg R2.0 stoppage
—
Last KO loss
Most recent fight
—
Strikes absorbed / min
—
11/21 fights
Chin rating based on
11/19 fights
Williams
Semelsberger
Form & Momentum
Recent fight performance — most recent weighted 30%
87
84
Current form
4-fight 📉 slide
W · KO · R1
L · Dec · R3
L · Sub · R2
W · KO · R1
W · Dec · R3
Last 5
L · KO · R1
L · Dec · R3
L · KO · R3
L · Dec · R3
W · Dec · R3
Williams
Semelsberger
Finish Rate
Percentage of wins by KO/TKO or Submission
71%
40%
5
KO / TKO Wins
2
0
Submission Wins
0
2
Decision Wins
3
Style Fingerprint
Combatrics radar — 6 fighting dimensions scored 0–10
Williams
Semelsberger
Fighter 1
Fighter 2
8.4
Striking
KO power & stand-up volume
4.9
0.7
Grappling
Ground control & clinch
1.4
0.5
Wrestling
Takedown threat & defence
1.0
0.0
Submission
Submission attack frequency
0.0
6.9
Pressure
Clinch/ground work rate
4.2
3.6
Volume
Decision-pace fighting
5.7
WilliamsSemelsberger
Strike Zones
Williams
Attacking
36 landedAbsorbing
23 absorbedSemelsberger
Attacking
23 landedAbsorbing
36 absorbedTargeting Overlap
🎯Williams targets the head (53% of attacks) — Semelsberger absorbs 53% of strikes there
🎯Semelsberger targets the head (70% of attacks) — Williams absorbs 70% of strikes there
Round by Round
This fight · per-round breakdown
Williams
RND
Semelsberger
0/0R00/0
Williams · QOF Timeline
Avg: 5.5WinLossTrend
Semelsberger · QOF Timeline
Avg: 5.3WinLossTrend
Williams · Last 5
W · KO · R1
Nikolay VeretennikovRating 5.4KO/TKO
UFC Fight Night: Allen vs. Costa · 2026-05
L · Dec · R3
Andreas GustafssonRating 5.7Decision
UFC 316: Dvalishvili vs. O'Malley 2 · 2025-06
L · Sub · R2
Gabriel BonfimRating 4.5Submission
UFC Fight Night: Cannonier vs. Rodrigues · 2025-02
W · KO · R1
Carlston HarrisRating 5.8KO/TKO
UFC Fight Night: Barboza vs. Murphy · 2024-05
W · Dec · R3
Rolando BedoyaRating 4.5Decision
UFC 288: Sterling vs. Cejudo · 2023-05
Semelsberger · Last 5
L · KO · R1
Charles RadtkeRating 2.7KO/TKO
UFC Fight Night: Magny vs. Prates · 2024-11
L · Dec · R3
Preston ParsonsRating 5.5Decision
UFC Fight Night: Ankalaev vs. Walker 2 · 2024-01
L · KO · R3
Uros MedicRating 5.8KO/TKO
UFC 291: Poirier vs. Gaethje 2 · 2023-07
L · Dec · R3
Jeremiah WellsRating 6.9Decision
UFC Fight Night: Pavlovich vs. Blaydes · 2023-04
W · Dec · R3
Jake MatthewsRating 5.5Decision
UFC Fight Night: Cannonier vs. Strickland · 2022-12