April 8, 2005
Middleweight Bout
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Predictions and betting recommendations are only available for fights after July 10, 2025
| Metric | Chris Leben | Jason Thacker |
|---|---|---|
| Total UFC Fights | 1 | 1 |
| Experience Gap | 0 | 0 |
| Experience ELO | 1 021 | 979 |
| ELO Change | +21 | -21 |
Both fighters entered with identical experience levels (1 fights each). On this fight, close to zero experience-based adjustments were applied.
| Metric | Chris Leben | Jason Thacker |
|---|---|---|
| Title Fight ? | No | No |
| Title Fight ELO | 1 021 | 979 |
| ELO Change | +21 | -21 |
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 | Chris Leben | Jason Thacker |
|---|---|---|
| Fight Outcome | KO/TKO | KO/TKO |
| Last Round | 1 | 1 |
| Time of Finish | 1:35 | 1:35 |
| Win Type ELO | 1 101 | 958 |
| ELO Change | +101 | -42 |
Chris Leben earned an early finish with a KO/TKO in round 1 at 1:35, gaining additional bonuses for the first-round stoppage.
| Metric | Chris Leben | Jason Thacker |
|---|---|---|
| Significant Strikes Landed | 27 | 1 |
| Significant Strikes Attempted | 40 | 3 |
| Total Strikes Landed | 34 | 3 |
| Knockdowns Scored | 0 | 0 |
| Striking ELO | 1 131 | 869 |
| ELO Change | +131 | -131 |
Chris Leben controlled the striking exchanges with 34 vs 3 total strikes, 27 vs 1 significant strikes, 67.5% vs 33.3% accuracy. Chris Leben capitalized on this striking dominance.
| Metric | Chris Leben | Jason Thacker |
|---|---|---|
| Takedowns Landed | 1 | 0 |
| Takedowns Attempted | 1 | 0 |
| Ground Control Time | 1:26 | 0:00 |
| Ground Strikes Landed | 26 | 0 |
| Ground ELO | 1 062 | 938 |
| ELO Change | +62 | -62 |
Chris Leben controlled Jason Thacker on the ground with 1 vs 0 takedowns, 1:26 of control time, 26 ground strikes, earning substantial ground ELO bonuses.
| Metric | Chris Leben | Jason Thacker |
|---|---|---|
| Days Since Last Fight | N/A | N/A |
| Activity ELO | 1 021 | 979 |
| ELO Change | +21 | -21 |
Chris Leben demonstrated incredible warrior mentality with a tournament-style turnaround with within null days since his last fight, earning one of the highest possible activity bonuses for the lightning-quick return. As the winner, Chris Leben capitalized on this activity level, while Jason Thacker's null-day layoff didn't factor into the scoring since only winners receive activity bonuses.
| Metric | Chris Leben | Jason Thacker |
|---|---|---|
| Win Streak | 1 | 0 |
| Win Streak ELO | 1 023 | 979 |
| ELO Change | +23 | -21 |
Chris Leben started a new win streak, earning a momentum bonus. Jason Thacker is back at 0 with this loss.
| Metric | Chris Leben | Jason Thacker |
|---|---|---|
| Weight Class | Middleweight | Middleweight |
| Double Championship Fight | No | No |
| Basic/Category ELO | 1 021 | 979 |
| ELO Change | +21 | -21 |
This category provides the foundation ELO scoring without bonuses, except for exceptional multiple division champions.

