June 18, 2021
Welterweight Bout
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Predictions and betting recommendations are only available for fights after July 10, 2025
| Metric | Khaos Williams | Matthew Semelsberger |
|---|---|---|
| Total UFC Fights | 4 | 3 |
| Experience Gap | 1 | -1 |
| Experience ELO | 1 129 | 1 026 |
| ELO Change | +27 | -27 |
Both fighters entered with identical experience levels (4 fights each). On this fight, close to zero experience-based adjustments were applied.
| Metric | Khaos Williams | Matthew Semelsberger |
|---|---|---|
| Title Fight ? | No | No |
| Title Fight ELO | 1 045 | 1 019 |
| ELO Change | +22 | -22 |
This was not a title fight, so both fighters received standard ELO adjustments. However, since ELO is a relative system, victories over former champions can have an indirect impact, and Title Fight ELO can differ from Basic ELO.
| Metric | Khaos Williams | Matthew Semelsberger |
|---|---|---|
| Fight Outcome | Decision - Unanimous | Decision - Unanimous |
| Last Round | 3 | 3 |
| Time of Finish | 5:00 | 5:00 |
| Win Type ELO | 1 305 | 1 133 |
| ELO Change | +29 | -29 |
Khaos Williams earned a clear Decision - Unanimous, receiving full decision bonuses for controlling the fight across all rounds. Of course, a finish would have yielded even greater rewards.
| Metric | Khaos Williams | Matthew Semelsberger |
|---|---|---|
| Significant Strikes Landed | 91 | 64 |
| Significant Strikes Attempted | 260 | 141 |
| Total Strikes Landed | 114 | 68 |
| Knockdowns Scored | 0 | 0 |
| Striking ELO | 1 333 | 1 106 |
| ELO Change | +16 | -16 |
Khaos Williams controlled the striking exchanges with 114 vs 68 total strikes, 91 vs 64 significant strikes, 35.0% vs 45.4% accuracy. Khaos Williams capitalized on this striking dominance.
| Metric | Khaos Williams | Matthew Semelsberger |
|---|---|---|
| Takedowns Landed | 0 | 0 |
| Takedowns Attempted | 0 | 0 |
| Ground Control Time | 1:53 | 0:02 |
| Ground Strikes Landed | 0 | 0 |
| Ground ELO | 1 048 | 1 096 |
| ELO Change | +33 | -33 |
Khaos Williams did not secure a significant ground advantage against Matthew Semelsberger on the ground with 1:53 of control time, with almost no grappling bonus.
| Metric | Khaos Williams | Matthew Semelsberger |
|---|---|---|
| Days Since Last Fight | 182 | 98 |
| Activity ELO | 1 060 | 1 025 |
| ELO Change | +27 | -22 |
Khaos Williams demonstrated standard activity with 182 days since his last fight, earning a small activity bonus for reasonable scheduling. As the winner, Khaos Williams capitalized on this activity level, while Matthew Semelsberger's 98-day layoff didn't factor into the scoring since only winners receive activity bonuses.
| Metric | Khaos Williams | Matthew Semelsberger |
|---|---|---|
| Win Streak | 1 | 0 |
| Win Streak ELO | 1 056 | 1 025 |
| ELO Change | +24 | -22 |
Khaos Williams started a new win streak, earning a momentum bonus. Matthew Semelsberger is back at 0 with this loss.
| Metric | Khaos Williams | Matthew Semelsberger |
|---|---|---|
| Weight Class | Welterweight | Welterweight |
| Double Championship Fight | No | No |
| Basic/Category ELO | 1 045 | 1 019 |
| ELO Change | +22 | -22 |
This category provides the foundation ELO scoring without bonuses, except for exceptional multiple division champions.

