February 28, 2026
Women's Bantamweight Bout
Click any category to learn how it's calculated.
| Metric | Ailin Perez | Macy Chiasson |
|---|---|---|
| Total UFC Fights | 7 | 14 |
| Experience Gap | -7 | 7 |
| Experience ELO | 1 190 | 1 048 |
| ELO Change | +35 | -24 |
Ailin Perez overcame a 7-fight experience disadvantage (7 vs 14 fights), earning a reward for beating the more seasoned veteran Macy Chiasson.
| Metric | Ailin Perez | Macy Chiasson |
|---|---|---|
| Title Fight ? | No | No |
| Title Fight ELO | 1 098 | 1 025 |
| ELO Change | +19 | -19 |
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 | Ailin Perez | Macy Chiasson |
|---|---|---|
| Fight Outcome | Decision - Unanimous | Decision - Unanimous |
| Last Round | 3 | 3 |
| Time of Finish | 5:00 | 5:00 |
| Win Type ELO | 1 213 | 1 081 |
| ELO Change | +34 | -34 |
Ailin Perez 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 | Ailin Perez | Macy Chiasson |
|---|---|---|
| Significant Strikes Landed | 27 | 8 |
| Significant Strikes Attempted | 38 | 23 |
| Total Strikes Landed | 68 | 41 |
| Knockdowns Scored | 0 | 0 |
| Striking ELO | 1 208 | 1 028 |
| ELO Change | +30 | -30 |
Ailin Perez controlled the striking exchanges with 68 vs 41 total strikes, 27 vs 8 significant strikes, 71.1% vs 34.8% accuracy. Ailin Perez capitalized on this striking dominance.
| Metric | Ailin Perez | Macy Chiasson |
|---|---|---|
| Takedowns Landed | 6 | 0 |
| Takedowns Attempted | 10 | 2 |
| Ground Control Time | 7:36 | 3:51 |
| Ground Strikes Landed | 9 | 4 |
| Ground ELO | 1 294 | 1 070 |
| ELO Change | +52 | -52 |
Ailin Perez controlled Macy Chiasson on the ground with 6 vs 0 takedowns, 7:36 of control time, 9 ground strikes, earning substantial ground ELO bonuses.
| Metric | Ailin Perez | Macy Chiasson |
|---|---|---|
| Days Since Last Fight | 406 | 147 |
| Activity ELO | 1 181 | 1 126 |
| ELO Change | +18 | -20 |
Ailin Perez demonstrated extended layoff with 406 days since her last fight, earning reduced bonuses due to inactivity rust. As the winner, Ailin Perez capitalized on this activity level, while Macy Chiasson's 147-day layoff didn't factor into the scoring since only winners receive activity bonuses.
| Metric | Ailin Perez | Macy Chiasson |
|---|---|---|
| Win Streak | 6 | 0 |
| Win Streak ELO | 1 162 | 1 047 |
| ELO Change | +43 | -18 |
Ailin Perez continued building serious momentum with a 6-fight win streak, earning a strong bonus as streak bonuses escalate. Macy Chiasson's now at 0.
| Metric | Ailin Perez | Macy Chiasson |
|---|---|---|
| Weight Class | Women's Bantamweight | Women's Bantamweight |
| Double Championship Fight | No | No |
| Basic/Category ELO | 1 098 | 1 023 |
| ELO Change | +19 | -19 |
This category provides the foundation ELO scoring without bonuses, except for exceptional multiple division champions.