May 3, 2019
Heavyweight Bout
Click any category to learn how it's calculated.
Predictions and betting recommendations are only available for fights after July 10, 2025
| Metric | Serghei Spivac | Walt Harris |
|---|---|---|
| Total UFC Fights | 1 | 12 |
| Experience Gap | -11 | 11 |
| Experience ELO | 969 | 1 033 |
| ELO Change | -31 | +31 |
Walt Harris's 11-fight experience advantage (12 vs 1 fights) held true, but the algorithm limited the bonus to prevent over-rewarding Walt Harris for the expected result. Had Serghei Spivac pulled off the upset, his experience disadvantage would have delivered a modest upset bonus.
| Metric | Serghei Spivac | Walt Harris |
|---|---|---|
| Title Fight ? | No | No |
| Title Fight ELO | 978 | 1 008 |
| 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 | Serghei Spivac | Walt Harris |
|---|---|---|
| Fight Outcome | KO/TKO | KO/TKO |
| Last Round | 1 | 1 |
| Time of Finish | 0:50 | 0:50 |
| Win Type ELO | 982 | 1 274 |
| ELO Change | -18 | +48 |
Walt Harris secured a devastating KO/TKO in 0:50 of round 1. This explosive first-minute finish earned substantial bonus rewards for the exceptional performance.
| Metric | Serghei Spivac | Walt Harris |
|---|---|---|
| Significant Strikes Landed | 1 | 17 |
| Significant Strikes Attempted | 3 | 28 |
| Total Strikes Landed | 1 | 17 |
| Knockdowns Scored | 0 | 1 |
| Striking ELO | 922 | 1 276 |
| ELO Change | -78 | +78 |
Walt Harris controlled the striking exchanges with 17 vs 1 significant strikes, 60.7% vs 33.3% accuracy, including 1 devastating knockdown. Walt Harris capitalized on this striking dominance.
| Metric | Serghei Spivac | Walt Harris |
|---|---|---|
| Takedowns Landed | 0 | 0 |
| Takedowns Attempted | 0 | 0 |
| Ground Control Time | 0:00 | 0:05 |
| Ground Strikes Landed | 0 | 5 |
| Ground ELO | 952 | 1 077 |
| ELO Change | -48 | +48 |
Walt Harris landed 1 knockdown followed by 5 ground strikes. Few ground strikes after a knockdown do not qualify for major ground ELO bonus.
| Metric | Serghei Spivac | Walt Harris |
|---|---|---|
| Days Since Last Fight | N/A | 126 |
| Activity ELO | 981 | 1 072 |
| ELO Change | -19 | +38 |
Walt Harris demonstrated solid activity levels with 126 days since his last fight, earning a moderate activity bonus for consistent scheduling. As the winner, Walt Harris capitalized on this activity level, while Serghei Spivac's null-day layoff didn't factor into the scoring since only winners receive activity bonuses.
| Metric | Serghei Spivac | Walt Harris |
|---|---|---|
| Win Streak | 0 | 1 |
| Win Streak ELO | 979 | 1 019 |
| ELO Change | -21 | +23 |
Walt Harris started a new win streak, earning a momentum bonus. Serghei Spivac is back at 0 with this loss.
| Metric | Serghei Spivac | Walt Harris |
|---|---|---|
| Weight Class | Heavyweight | Heavyweight |
| Double Championship Fight | No | No |
| Basic/Category ELO | 978 | 1 004 |
| ELO Change | -22 | +22 |
This category provides the foundation ELO scoring without bonuses, except for exceptional multiple division champions.

