June 12, 2009
Lightweight Bout
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Predictions and betting recommendations are only available for fights after July 10, 2025
| Metric | Dale Hartt | Dennis Siver |
|---|---|---|
| Total UFC Fights | 3 | 6 |
| Experience Gap | -3 | 3 |
| Experience ELO | 984 | 1 027 |
| ELO Change | -34 | +34 |
Dennis Siver's 3-fight experience advantage (6 vs 3 fights) held true, but the algorithm limited the bonus to prevent over-rewarding Dennis Siver for the expected result. Had Dale Hartt pulled off the upset, his experience disadvantage would have delivered a modest upset bonus.
| Metric | Dale Hartt | Dennis Siver |
|---|---|---|
| Title Fight ? | No | No |
| Title Fight ELO | 979 | 1 004 |
| 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 | Dale Hartt | Dennis Siver |
|---|---|---|
| Fight Outcome | Submission | Submission |
| Last Round | 1 | 1 |
| Time of Finish | 3:23 | 3:23 |
| Win Type ELO | 1 018 | 1 128 |
| ELO Change | -42 | +70 |
Dennis Siver earned an early finish with a Submission in round 1 at 3:23, gaining additional bonuses for the first-round submission.
| Metric | Dale Hartt | Dennis Siver |
|---|---|---|
| Significant Strikes Landed | 5 | 8 |
| Significant Strikes Attempted | 16 | 23 |
| Total Strikes Landed | 5 | 16 |
| Knockdowns Scored | 0 | 0 |
| Striking ELO | 962 | 1 032 |
| ELO Change | -46 | +46 |
Dennis Siver slightly outperformed the striking exchanges. Dennis Siver capitalized on this striking dominance.
| Metric | Dale Hartt | Dennis Siver |
|---|---|---|
| Takedowns Landed | 1 | 0 |
| Takedowns Attempted | 1 | 0 |
| Ground Control Time | 0:29 | 1:11 |
| Ground Strikes Landed | 0 | 2 |
| Ground ELO | 789 | 1 006 |
| ELO Change | -108 | +108 |
Dennis Siver dominated Dale Hartt on the ground with 0 takedowns, 1:11 of control time, 2 ground strikes, earning massive ground ELO bonuses. The submission finish significantly amplified the grappling rewards.
| Metric | Dale Hartt | Dennis Siver |
|---|---|---|
| Days Since Last Fight | 185 | 147 |
| Activity ELO | 1 001 | 1 057 |
| ELO Change | -22 | +43 |
Dennis Siver demonstrated solid activity levels with 147 days since his last fight, earning a moderate activity bonus for consistent scheduling. As the winner, Dennis Siver capitalized on this activity level, while Dale Hartt's 185-day layoff didn't factor into the scoring since only winners receive activity bonuses.
| Metric | Dale Hartt | Dennis Siver |
|---|---|---|
| Win Streak | 0 | 2 |
| Win Streak ELO | 981 | 1 012 |
| ELO Change | -22 | +26 |
Dennis Siver extended his 2-fight win streak, earning a momentum bonus. Dale Hartt is back at 0 with this loss.
| Metric | Dale Hartt | Dennis Siver |
|---|---|---|
| Weight Class | Lightweight | Lightweight |
| Double Championship Fight | No | No |
| Basic/Category ELO | 979 | 1 004 |
| ELO Change | -22 | +22 |
This category provides the foundation ELO scoring without bonuses, except for exceptional multiple division champions.

