Chris Leben vs Jason Thacker

April 8, 2005

Middleweight Bout

Click any category to learn how it's calculated.

1050
(+50)
Chris Leben
Winner: Chris Leben
KO/TKO
Round 1 • 1:35

No Predictions Available

Predictions and betting recommendations are only available for fights after July 10, 2025

C-ELO Evolution

Chris Leben+50
Jason Thacker-42
958
(-42)
Jason Thacker

C-ELO™ Evolution Comparison

Fight Stats & ELO Performance

Experience ELO
ELO Changes
Chris Leben: +21Jason Thacker: -21

Performance Statistics

MetricChris LebenJason Thacker
Total UFC Fights11
Experience Gap00
Experience ELO1 021979
ELO Change+21-21
💡

What Happened

Both fighters entered with identical experience levels (1 fights each). On this fight, close to zero experience-based adjustments were applied.

Title Fight ELO
ELO Changes
Chris Leben: +21Jason Thacker: -21

Performance Statistics

MetricChris LebenJason Thacker
Title Fight ?NoNo
Title Fight ELO1 021979
ELO Change+21-21
💡

What Happened

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.

Win Type ELO
ELO Changes
Chris Leben: +101Jason Thacker: -42

Performance Statistics

MetricChris LebenJason Thacker
Fight OutcomeKO/TKOKO/TKO
Last Round11
Time of Finish1:351:35
Win Type ELO1 101958
ELO Change+101-42
💡

What Happened

Chris Leben earned an early finish with a KO/TKO in round 1 at 1:35, gaining additional bonuses for the first-round stoppage.

Striking ELO
ELO Changes
Chris Leben: +131Jason Thacker: -131

Performance Statistics

MetricChris LebenJason Thacker
Significant Strikes Landed271
Significant Strikes Attempted403
Total Strikes Landed343
Knockdowns Scored00
Striking ELO1 131869
ELO Change+131-131
💡

What Happened

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.

Ground ELO
ELO Changes
Chris Leben: +62Jason Thacker: -62

Performance Statistics

MetricChris LebenJason Thacker
Takedowns Landed10
Takedowns Attempted10
Ground Control Time1:260:00
Ground Strikes Landed260
Ground ELO1 062938
ELO Change+62-62
💡

What Happened

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.

Activity ELO
ELO Changes
Chris Leben: +21Jason Thacker: -21

Performance Statistics

MetricChris LebenJason Thacker
Days Since Last FightN/AN/A
Activity ELO1 021979
ELO Change+21-21
💡

What Happened

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.

Win Streak ELO
ELO Changes
Chris Leben: +23Jason Thacker: -21

Performance Statistics

MetricChris LebenJason Thacker
Win Streak10
Win Streak ELO1 023979
ELO Change+23-21
💡

What Happened

Chris Leben started a new win streak, earning a momentum bonus. Jason Thacker is back at 0 with this loss.

Basic/Category ELO
ELO Changes
Chris Leben: +21Jason Thacker: -21

Performance Statistics

MetricChris LebenJason Thacker
Weight ClassMiddleweightMiddleweight
Double Championship FightNoNo
Basic/Category ELO1 021979
ELO Change+21-21
💡

What Happened

This category provides the foundation ELO scoring without bonuses, except for exceptional multiple division champions.