TopBJJ Index Youth
Language selector
Menu

Calculation details

Rating breakdown for the past 12 months

Close

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 1,415

Rating-period composition

Rating matches
12 0
Record
8–4 Previous month 8–4
Opponents
9 0
Events
5 0

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

July 2026 3 new matches Change +32 Rating 1,415

Rating-period composition

Rating matches
12 +3
Record
8–4 Previous month 6–3
Opponents
9 +1
Events
5 +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.
MILANO BJJ SUMMER CUP 2026 GI - Kids 1-4 / Boys / White / Kid4 (10-11 yrs) / -33 kg
Method Points 04:00 0–7
Marginal influence -13
MILANO BJJ SUMMER CUP 2026 GI - Kids 1-4 / Boys / White / Kid4 (10-11 yrs) / -33 kg
Method Points 04:00 15–0
Marginal influence +10
MILANO BJJ SUMMER CUP 2026 NO-GI - Kids 1-4 / Boys / White / Kid4 (10-11 yrs) / -33 kg
Method Submission 00:43 0–0
Marginal influence -3
June 2026 2 new matches Change +71 Rating 1,383

Rating-period composition

Rating matches
9 +2
Record
6–3 Previous month 4–3
Opponents
8 +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.
Win
June 7, 2026 Aldo Castagna
15° ITALIAN NATIONAL BRAZILIAN JIU-JITSU CHAMPIONSHIP Gi e No-Gi (Roma) GI - Kids 1-4 / Boys / White / Kid4 (10-11 yrs) / -33 kg
Method Submission 00:53 0–0
Marginal influence +18
Win
June 7, 2026 Luigi Lagatta
15° ITALIAN NATIONAL BRAZILIAN JIU-JITSU CHAMPIONSHIP Gi e No-Gi (Roma) GI - Kids 1-4 / Boys / White / Kid4 (10-11 yrs) / -33 kg
Method Submission 01:42 0–0
Marginal influence +18
May 2026 1 new match Change -24 Rating 1,312

Rating-period composition

Rating matches
7 +1
Record
4–3 Previous month 4–2
Opponents
6 0
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.
NORTH ITALIAN CUP III GI - Kids 1-4 / Boys / White / Kid4 (10-11 yrs) / -33 kg
Method Points 04:00 0–7
Marginal influence -13
April 2026 No new matches · 1 left period Change +22 Rating 1,336

Rating-period composition

Rating matches
6 -1
Record
4–2 Previous month 4–3
Opponents
6 -1
Events
2 -1

1 older matches left the 12-month period: 0 won and 1 lost. The rating is then recalculated across the full network, so the monthly change is not a sum of separate deductions.

March 2026 4 new matches Change +43 Rating 1,314

Rating-period composition

Rating matches
7 +4
Record
4–3 Previous month 2–1
Opponents
7 +4
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
March 1, 2026 Carlotta Gottardi
Luta Bonito - IIIª Edizione Kid Mix 3 (Extra)
Method Points 04:00 2–9
Marginal influence -20
Loss
Luta Bonito - IIIª Edizione Kids - Boys / Mixed Belt / Kid 3 / -35,00 kg
Method Submission 00:27 0–2
Marginal influence -18
Win
March 1, 2026 Aaron Piddiu
Luta Bonito - IIIª Edizione Kids - Boys / Mixed Belt / Kid 3 / -35,00 kg
Method Decision 04:00 0–0
Marginal influence +10
Win
March 1, 2026 Giovanni Balboni
Luta Bonito - IIIª Edizione Kids - Boys / Mixed Belt / Kid 3 / -35,00 kg
Method Submission 03:14 2–2
Marginal influence +16
February 2026 2 new matches Change +139 Rating 1,271

Rating-period composition

Rating matches
3 +2
Record
2–1 Previous month 0–1
Opponents
3 +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
Torino Jiu Jitsu Challenge 2026 Infant Boys Gi / White / Infant / Infant -34 KG Light Weight
Method Points 03:00 7–5
Marginal influence +15
Win
February 21, 2026 Gabriele Bagnato
Torino Jiu Jitsu Challenge 2026 Infant Boys Gi / White / Infant / Infant -34 KG Light Weight
Method Submission 01:11 0–0
Marginal influence +12
January 2026 No new matches Change 0 Rating 1,132

Rating-period composition

Rating matches
1 0
Record
0–1 Previous month 0–1
Opponents
1 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.

December 2025 No new matches Change 0 Rating 1,132

Rating-period composition

Rating matches
1 0
Record
0–1 Previous month 0–1
Opponents
1 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.

November 2025 No new matches Change +5 Rating 1,132

Rating-period composition

Rating matches
1 0
Record
0–1 Previous month 0–1
Opponents
1 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.

October 2025 No new matches Change 0 Rating 1,127

Rating-period composition

Rating matches
1 0
Record
0–1 Previous month 0–1
Opponents
1 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 0 Rating 1,127

Rating-period composition

Rating matches
1 0
Record
0–1 Previous month 0–1
Opponents
1 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
8.7
Official ranking percentile
Top 23%
Performance
15.8 pp above expectation

8.7 weighted matches against 9 different opponents across 5 events

Weighted win rate
72.4%
Expected win rate
56.6%
Average opponent rating
1,262
Repeated-opponent share
25.0%
Network connectivity
80.9%