UFC 303: Pereira vs. Prochazka 2
Las Vegas, USA
29 Jun 2024
Women's Bantamweight
VS
43%
Silva
57%
Chiasson
Win Probability
Mayra
Mayra Bueno Silva
"Sheetara"
10 – 7
5'6"66" reachOrthodox34 yrs5-fight slideSubmission Hunter
CFR 47
Macy
Macy Chiasson
11 – 6
Well-Rounded3-fight slide34 yrsOrthodox72" reach5'11"
CFR 62

Combatrics Intelligence

Data-driven breakdown · fighter metrics

Edge: Chiasson

This is a genuine toss-up — Silva at 43% vs Chiasson at 57% (CFR ratings). One of the hardest fights to call on the card.

Key angles

The CFR gap of 14 points suggests a clear performance difference on paper.

Silva has the striking edge in both volume and accuracy.

Risk flags

Chiasson has a chin rating of 58 — a potential KO vulnerability.

Silva
Chiasson
Physical Matchup
Height · Reach · Age · Stance
5'6"
Height
+5'11"
66"
Reach
+72"
34
Age
34
Orthodox
Stance
Orthodox
Silva
Chiasson
Composite Fighter Rating
Overall score combining performance, win quality, momentum & durability
47.2
61.5
45.0
Performance Avg
53.0
47
Quality of Victory
50
26
Momentum Score
96
Silva
Chiasson
Striking
Significant strikes per minute & accuracy
1.1
1.0
52%
Strike Accuracy
47%
0.8
Striking Style Score (/10)
3.6
0 KOs
KO Finishes
2 KOs
Strike targetStrike target
4
Head
6
0
Body
0
0
Leg
7
RangeRange
2Distance3
0Clinch0
2Ground10
Silva
Chiasson
Grappling
Takedowns, submissions & wrestling
—
—
0.1
Sub Attempts / fight
0.2
6.9
Grappling Style Score (/10)
2.9
4.8
Wrestling Style Score (/10)
2.0
0:00
Control Time (this fight)
0:00
0
Reversals
0
Silva
Chiasson
Durability / Chin
Resilience against knockouts and stoppages
86
58
Never stopped
Verdict
KO risk
0
KO/TKO Losses
1
0
Sub Losses
1
—
KO round context
Avg R3.0 stoppage
—
Last KO loss
5 fights ago
—
Strikes absorbed / min
—
14/17 fights
Chin rating based on
14/17 fights
Silva
Chiasson
Form & Momentum
Recent fight performance — most recent weighted 30%
26
96
5-fight 📉 slide
Current form
3-fight 📉 slide
L · Dec · R3
L · Dec · R3
L · Dec · R3
L · R2
L · Dec · R5
Last 5
L · Dec · R3
L · Dec · R3
L · Dec · R3
W · R2
W · Sub · R1
Silva
Chiasson
Finish Rate
Percentage of wins by KO/TKO or Submission
80%
50%
0
KO / TKO Wins
2
4
Submission Wins
2
1
Decision Wins
4

Style Fingerprint

Combatrics radar — 6 fighting dimensions scored 0–10

Silva
Chiasson
Striking0.8 / 3.6Volume2.4 / 4.1Grappling6.9 / 2.9Wrestling4.8 / 2.0Submission8.0 / 2.5Pressure6.8 / 5.2
Fighter 1
Fighter 2
0.8
Striking
KO power & stand-up volume
3.6
6.9
Grappling
Ground control & clinch
2.9
4.8
Wrestling
Takedown threat & defence
2.0
8.0
Submission
Submission attack frequency
2.5
6.8
Pressure
Clinch/ground work rate
5.2
2.4
Volume
Decision-pace fighting
4.1
Silva
Strike Zones
Chiasson
Silva
Attacking
4HEAD0BODY0LEGS4 landed
Absorbing
6HEAD0BODY7LEGS13 absorbed
Chiasson
Attacking
6HEAD0BODY7LEGS13 landed
Absorbing
4HEAD0BODY0LEGS4 absorbed
Targeting Overlap
🎯Silva targets the head (100% of attacks) — Chiasson absorbs 100% of strikes there
🎯Chiasson targets the legs (54% of attacks) — Silva absorbs 54% of strikes there

Round by Round

This fight · per-round breakdown

Silva
RND
Chiasson
0/0R00/0

Silva · QOF Timeline

Avg: 6.0
0106.2W6.1L5.0W7.1L4.5W6.0W5.2W6.1L6.1L6.4L6.4L6.8L2018-092021-102023-022025-022026-04
WinLossTrend

Chiasson · QOF Timeline

Avg: 5.1
0105.2W5.0W5.2W5.5L4.5W4.5W3.3L5.0W4.8L5.0W4.9W5.9L5.6L6.5L2018-112020-022022-092025-102026-02
WinLossTrend

Silva · Last 5

L · Dec · R3
Michelle MontagueRating 6.8
Decision
UFC Fight Night: Sterling vs. Zalal · 2026-04
L · Dec · R3
Jacqueline CavalcantiRating 6.4
Decision
UFC Fight Night: Bonfim vs. Brown · 2025-11
L · Dec · R3
Jasmine JasudaviciusRating 6.4
Decision
UFC Fight Night: Adesanya vs. Imavov · 2025-02
L · R2
Macy ChiassonRating 6.1
UFC 303: Pereira vs. Prochazka 2 · 2024-06
L · Dec · R5
Raquel PenningtonRating 6.1
Decision
UFC 297: Strickland vs. Du Plessis · 2024-01

Chiasson · Last 5

L · Dec · R3
Ailin PerezRating 6.5
Decision
UFC Fight Night: Moreno vs. Kavanagh · 2026-02
L · Dec · R3
Yana SantosRating 5.6
Decision
UFC 320: Ankalaev vs. Pereira 2 · 2025-10
L · Dec · R3
Ketlen VieiraRating 5.9
Decision
UFC Fight Night: Blanchfield vs. Barber · 2025-05
W · R2
Mayra Bueno SilvaRating 4.9
UFC 303: Pereira vs. Prochazka 2 · 2024-06
W · Sub · R1
Pannie KianzadRating 5
Submission
UFC Fight Night: Tuivasa vs. Tybura · 2024-03

News & Media

Mayra Bueno Silva · Macy Chiasson
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