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Welterweight
3 Rounds
Khaos Williams won · U-DEC R3
Elo1512
Khaos Williams
Elo1487
Matthew Semelsberger

Khaos WilliamsvsMatthew SemelsbergerUFC Prediction Result

UFC Fight Night: Jung vs. Ige · Saturday, June 19, 2021Las Vegas, Nevada, USA

Official fight result

Khaos Williams won

U-DEC · Round 3 · 5:00

Model Prediction: Matthew Semelsberger wins(68.6%)

Actual result: Khaos Williams wins · Model version: ufc_v6_2_pure_lightgbm_20260715_055615

Incorrect

Hypothetical $100 stake on the replay pick

Matthew Semelsberger at +130 American odds

$100 profit

$0 total returned

Scouting Report

Auto-generated signals worth knowing before you read the deep stats below.

  • Matthew Semelsberger enters on a 4-fight losing streak.
  • Matthew Semelsberger has 14pp better strike defense — meaningful gap.
  • Stance matchup historically favors Matthew Semelsberger (52.9%).

Tale of the Tape

Khaos Williams
Red Corner
VS
Matthew Semelsberger
Blue Corner
-162
(62%)
Vegas Odds
+130
(43%)
1512
Elo
1487
32
Age
33
Orthodox
Stance
Switch
6'0"
Height
6'1"
195.58 cm
Reach
190.5 cm

Recent Form

Last 5 fights for each fighter — most recent on the right. Hover any result for the matchup.

Khaos Williams
oldest →
W
vs Rolando Bedoya · May 23
W
KOvs Carlston Harris · May 24
L
SUBvs Gabriel Bonfim · Feb 25
L
vs Andreas Gustafsson · Jun 25
W
KOvs Nikolay Veretennikov · May 26
latest
Matthew SemelsbergerL4 streak
oldest →
W
vs Jake Matthews · Dec 22
L
vs Jeremiah Wells · Apr 23
L
KOvs Uros Medic · Jul 23
L
vs Preston Parsons · Jan 24
L
KOvs Charles Radtke · Nov 24
latest

Output & Defense Comparison

Rate-normalized career statistics. Bold side has the edge per metric.

Khaos WilliamsMetricMatthew Semelsberger
4.94
Strikes / min
3.77
5.39
Strikes absorbed / min
4.24
40%
Strike defense
54%
0.00
TDs / 15 min
1.01
51%
Takedown defense
45%
0.00
Sub atts / 15 min
0.40
Net striking (SLpM − SApM)
-0.45evenly matched on net striking-0.47

Statistical Profile

Career averages · bigger area = stronger across dimensions

Elo1501 vs 1536Strikes5.2 vs 6.1Takedowns0.0 vs 1.0Sub Atts0.00 vs 0.50Form-0.0 vs 1.0
Khaos WilliamsMatthew Semelsberger

Recent Elo Trajectory

Last 10 fights for each fighter, aligned right (most recent on the right).

14701485150015151530← oldermost recent →
Khaos Williams(10 fights)Matthew Semelsberger(10 fights)

Model Feature Differentials

Red − Blue for each engineered feature. Bar leans toward the stronger fighter.Hover a label to see what it measures.

ELO Rating
Red +24.7|Blue -24.7
Recent Form
Red -1.0|Blue +1.0
Striker Score
Red +0.6|Blue -0.6
Grappler Score
Red -0.5|Blue +0.5
Layoff
Red +84.0|Blue -84.0
Red Corner advantageBlue Corner advantage

Strike Breakdown

Where the strikes landed. Head accuracy is the single strongest predictor of fight outcomes.

Khaos WilliamsTargetMatthew Semelsberger

By target zone

44
23% acc · 48%
Head
42
36% acc · 66%
18
58% acc · 20%
Body
9
82% acc · 14%
29
85% acc · 32%
Leg
13
93% acc · 20%

By position

87
34% acc · 96%
Distance
62
45% acc · 97%
4
67% acc · 4%
Clinch
2
50% acc · 3%
0
Ground
0

Round-by-Round Scoring (Model)

Statistical round-winner heuristic based on strikes, takedowns, control time, and knockdowns. Not the official judges' scorecard.

3
Khaos Williams rounds
0
even
0
Matthew Semelsberger rounds
Round 1Khaos Williams edged it
Sig. strikes26
Takedowns0
Control1:21
18Sig. strikes
0Takedowns
0:00Control
Round 2Khaos Williams edged it
Sig. strikes29
Takedowns0
Control0:30
23Sig. strikes
0Takedowns
0:02Control
Round 3Khaos Williams edged it
Sig. strikes36
Takedowns0
Control0:02
23Sig. strikes
0Takedowns
0:00Control
Statistical round count agrees with the official result.

Fight Stats

Totals

0
KD
0
91 / 260
Sig Strikes
64 / 141
34.7%
Sig Str %
48.3%
114 / 286
Total Strikes
68 / 146
0 / 0
TDs
0 / 0
TD %
0
Sub Att
0
0
Rev
0
1:53
Ctrl Time
0:02

Round-by-Round

RoundFighterSig StrTotal StrTDSub
1Matthew Semelsberger18 / 3220 / 350 / 00
1Khaos Williams26 / 8344 / 1040 / 00
2Matthew Semelsberger23 / 4125 / 430 / 00
2Khaos Williams29 / 8034 / 850 / 00
3Matthew Semelsberger23 / 6823 / 680 / 00
3Khaos Williams36 / 9736 / 970 / 00

Khaos Williams

StanceOrthodox
Height72.0"
Reach77.0"
Fights9

Matthew Semelsberger

StanceSwitch
Height73.0"
Reach75.0"
Fights11