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 1,191

Rating-period composition

Rating matches
5 0
Record
0–5 Previous month 0–5
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.

July 2026 No new matches Change -3 Rating 1,191

Rating-period composition

Rating matches
5 0
Record
0–5 Previous month 0–5
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.

June 2026 No new matches Change +1 Rating 1,194

Rating-period composition

Rating matches
5 0
Record
0–5 Previous month 0–5
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.

May 2026 3 new matches Change +78 Rating 1,193

Rating-period composition

Rating matches
5 +3
Record
0–5 Previous month 0–2
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.
NORTH ITALIAN CUP III GI - Kids 1-4 / Girls / Colored Belt / Kid4 (10-11 yrs) / -33 kg
Method Points 04:00 0–9
Marginal influence -9
Loss
May 10, 2026 Nikita Martelli
NORTH ITALIAN CUP III NO-GI - Kids 1-4 / Girls / Colored Belt / Kid4 (10-11 yrs) / -33 kg
Method Points 04:00 0–7
Marginal influence -7
NORTH ITALIAN CUP III NO-GI - Kids 1-4 / Girls / Colored Belt / Kid4 (10-11 yrs) / -33 kg
Method Points 04:00 0–9
Marginal influence -3
April 2026 No new matches Change +8 Rating 1,115

Rating-period composition

Rating matches
2 0
Record
0–2 Previous month 0–2
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.

March 2026 No new matches Change +1 Rating 1,107

Rating-period composition

Rating matches
2 0
Record
0–2 Previous month 0–2
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.

February 2026 2 new matches · 1 left period Change -121 Rating 1,106

Rating-period composition

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

1 older matches left the 12-month period: 1 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
February 21, 2026 Jonathan Cidani
Torino Jiu Jitsu Challenge 2026 Infant Boys Gi / Grey / Infant / Infant -34 KG Light Weight
Method Points 03:00 2–2
Marginal influence -25
Loss
February 21, 2026 Alessandro Rimoldi
Torino Jiu Jitsu Challenge 2026 Infant Boys Gi / Grey / Infant / Infant -34 KG Light Weight
Method Points 03:00 0–3
Marginal influence -17
January 2026 No new matches Change 0 Rating 1,227

Rating-period composition

Rating matches
1 0
Record
1–0 Previous month 1–0
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 1,227

Rating-period composition

Rating matches
1 0
Record
1–0 Previous month 1–0
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 · 1 left period Change +17 Rating 1,227

Rating-period composition

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

October 2025 No new matches Change 0 Rating 1,210

Rating-period composition

Rating matches
2 0
Record
1–1 Previous month 1–1
Opponents
2 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.

September 2025 No new matches Change 0 Rating 1,210

Rating-period composition

Rating matches
2 0
Record
1–1 Previous month 1–1
Opponents
2 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.

Relevant matches
4.4
Official ranking percentile
Top 89%
Performance
-

4.4 weighted matches against 4 different opponents across 2 events

Weighted win rate
-
Expected win rate
-
Average opponent rating
1,384
Repeated-opponent share
20.0%
Network connectivity
80.9%