Mattia Romeo - Rating | TopBJJ Index

Calculation details

Rating breakdown for the past 12 months

See the published month-end rating and the rating-eligible matches added in each month. Open a month for details.

August 2026 No new matches Change 0 Rating 1,394

Rating-period composition

Rating matches: 10 0
Record: 6–4 Previous month 6–4
Opponents: 9 0
Events: 4 0

No matches were added or left the period. The change comes from the monthly revaluation of opponents across the full network.

July 2026 No new matches Change +2 Rating 1,394

Rating-period composition

Rating matches: 10 0
Record: 6–4 Previous month 6–4
Opponents: 9 0
Events: 4 0

No matches were added or left the period. The change comes from the monthly revaluation of opponents across the full network.

June 2026 No new matches Change -4 Rating 1,392

Rating-period composition

Rating matches: 10 0
Record: 6–4 Previous month 6–4
Opponents: 9 0
Events: 4 0

No matches were added or left the period. The change comes from the monthly revaluation of opponents across the full network.

May 2026 2 new matches Change +11 Rating 1,396

Rating-period composition

Rating matches: 10 +2
Record: 6–4 Previous month 5–3
Opponents: 9 +2
Events: 4 +1

New rating matches

This is a current what-if estimate: roughly how much the current rating changes when this match is omitted. These values cannot be added and therefore do not together explain the monthly change.

Loss

May 3, 2026 Mattia Liuzza

SJJC 2026 - BJJ Gi & No-Gi - MSP SICILIA Boys BJJ Gi / U12 / -32 kg / Colored

Method Points 03:00 0–0

Marginal influence -27

Win

May 3, 2026 FRANCESCO PAOLO GUARINO

SJJC 2026 - BJJ Gi & No-Gi - MSP SICILIA Boys BJJ Gi / U12 / -32 kg / Colored

Method Points 03:00 3–2

Marginal influence +22

April 2026 4 new matches Change +82 Rating 1,385

Rating-period composition

Rating matches: 8 +4
Record: 5–3 Previous month 2–2
Opponents: 7 +3
Events: 3 +1

New rating matches

This is a current what-if estimate: roughly how much the current rating changes when this match is omitted. These values cannot be added and therefore do not together explain the monthly change.

Loss

April 12, 2026 Francesco Coppola

5° ITALIA OPEN di Brazilian jiu-jitsu Gi e No-Gi (Roma) NO-GI - Kids 1-4 / Boys / Colored Belt / Kid4 (10-11 yrs) / -33 kg

Method Points 04:00 0–2

Marginal influence -15

Win

April 12, 2026 Christian Sances

5° ITALIA OPEN di Brazilian jiu-jitsu Gi e No-Gi (Roma) GI - Kids 1-4 / Boys / Colored Belt / Kid4 (10-11 yrs) / -33 kg

Method Points 04:00 8–0

Marginal influence +14

Win

April 12, 2026 Davide Centrone

5° ITALIA OPEN di Brazilian jiu-jitsu Gi e No-Gi (Roma) GI - Kids 1-4 / Boys / Colored Belt / Kid4 (10-11 yrs) / -33 kg

Method Points 04:00 4–2

Marginal influence +20

Win

April 12, 2026 Gabriel Frisina

5° ITALIA OPEN di Brazilian jiu-jitsu Gi e No-Gi (Roma) GI - Kids 1-4 / Boys / Colored Belt / Kid4 (10-11 yrs) / -33 kg

Method Points 04:00 4–0

Marginal influence +14

March 2026 No new matches Change +3 Rating 1,303

Rating-period composition

Rating matches: 4 0
Record: 2–2 Previous month 2–2
Opponents: 4 0
Events: 2 0

No matches were added or left the period. The change comes from the monthly revaluation of opponents across the full network.

February 2026 No new matches Change -3 Rating 1,300

Rating-period composition

Rating matches: 4 0
Record: 2–2 Previous month 2–2
Opponents: 4 0
Events: 2 0

No matches were added or left the period. The change comes from the monthly revaluation of opponents across the full network.

January 2026 No new matches Change 0 Rating 1,303

Rating-period composition

Rating matches: 4 0
Record: 2–2 Previous month 2–2
Opponents: 4 0
Events: 2 0

No matches were added or left the period. The change comes from the monthly revaluation of opponents across the full network.

December 2025 2 new matches · 2 left period Change -104 Rating 1,303

Rating-period composition

Rating matches: 4 0
Record: 2–2 Previous month 4–0
Opponents: 4 0
Events: 2 0

2 older matches left the 12-month period: 2 won and 0 lost. The rating is then recalculated across the full network, so the monthly change is not a sum of separate deductions.

New rating matches

This is a current what-if estimate: roughly how much the current rating changes when this match is omitted. These values cannot be added and therefore do not together explain the monthly change.

Loss

December 13, 2025 Giovanni Basano Neto

11a ITALIAN CUP BRAZILIAN JIU JITSU NO-GI - Kids 1-4 / Boys / Colored Belt / Kid4 (10-11 yrs) / -33 kg

Method Submission 00:42 0–6

Marginal influence -19

Loss

December 13, 2025 Christian Sances

11a ITALIAN CUP BRAZILIAN JIU JITSU GI - Kids 1-4 / Boys / Colored Belt / Kid4 (10-11 yrs) / -33 kg

Method Submission 01:01 2–2

Marginal influence -18

November 2025 2 new matches Change +91 Rating 1,407

Rating-period composition

Rating matches: 4 +2
Record: 4–0 Previous month 2–0
Opponents: 4 +2
Events: 2 +1

New rating matches

This is a current what-if estimate: roughly how much the current rating changes when this match is omitted. These values cannot be added and therefore do not together explain the monthly change.

Win

November 23, 2025 Giovanni Grasso

Kuma Challenge Boys Gi / Colored belt / Junior I (10yrs) / -33,40 kg

Method Submission 02:15 3–0

Marginal influence +15

Win

November 23, 2025 Damiano Stracuzzi

Kuma Challenge Boys Gi / Colored belt / Junior I (10yrs) / -33,40 kg

Method Points 04:00 16–2

Marginal influence +18

October 2025 No new matches Change -1 Rating 1,316

Rating-period composition

Rating matches: 2 0
Record: 2–0 Previous month 2–0
Opponents: 2 0
Events: 1 0

No matches were added or left the period. The change comes from the monthly revaluation of opponents across the full network.

September 2025 No new matches Change +1 Rating 1,317

Rating-period composition

Rating matches: 2 0
Record: 2–0 Previous month 2–0
Opponents: 2 0
Events: 1 0

No matches were added or left the period. The change comes from the monthly revaluation of opponents across the full network.

Relevant matches: 8.1

Official ranking percentile: Top 29%

Performance: 4.5 pp above expectation

8.1 weighted matches against 9 different opponents across 4 events

Weighted win rate: 61.0%
Expected win rate: 56.5%
Average opponent rating: 1,356
Repeated-opponent share: 10.0%
Network connectivity: 80.9%