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 1,284

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.

July 2026 No new matches Change 0 Rating 1,284

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.

June 2026 No new matches Change +2 Rating 1,284

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.

May 2026 No new matches Change -5 Rating 1,282

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.

April 2026 No new matches · 3 left period Change -125 Rating 1,287

Rating-period composition

Rating matches
2 -3
Record
2–0 Previous month 5–0
Opponents
2 -3
Events
1 -1

3 older matches left the 12-month period: 3 won and 0 lost. The rating is then recalculated across the full network, so the monthly change is not a sum of separate deductions.

March 2026 2 new matches Change +67 Rating 1,412

Rating-period composition

Rating matches
5 +2
Record
5–0 Previous month 3–0
Opponents
5 +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
N-GEN Kids BJJ Tournament #4 Girls Gi / All belt / Pee Wee (7-9yrs) / -32 kg (2017,2018,2019)
Method Points 03:00 5–2
Marginal influence +41
Win
March 22, 2026 Stela Byrtusová
N-GEN Kids BJJ Tournament #4 Girls Gi / All belt / Pee Wee (7-9yrs) / -32 kg (2017,2018,2019)
Method Submission 00:31 0–2
Marginal influence +31
February 2026 No new matches · 4 left period Change +17 Rating 1,345

Rating-period composition

Rating matches
3 -4
Record
3–0 Previous month 4–3
Opponents
3 -3
Events
1 -1

4 older matches left the 12-month period: 1 won and 3 lost. The rating is then recalculated across the full network, so the monthly change is not a sum of separate deductions.

January 2026 No new matches Change 0 Rating 1,328

Rating-period composition

Rating matches
7 0
Record
4–3 Previous month 4–3
Opponents
6 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 No new matches · 4 left period Change +13 Rating 1,328

Rating-period composition

Rating matches
7 -4
Record
4–3 Previous month 5–6
Opponents
6 -4
Events
2 -1

4 older matches left the 12-month period: 1 won and 3 lost. The rating is then recalculated across the full network, so the monthly change is not a sum of separate deductions.

November 2025 No new matches · 3 left period Change -67 Rating 1,315

Rating-period composition

Rating matches
11 -3
Record
5–6 Previous month 8–6
Opponents
10 -3
Events
3 -1

3 older matches left the 12-month period: 3 won and 0 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 1,382

Rating-period composition

Rating matches
14 0
Record
8–6 Previous month 8–6
Opponents
13 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.

September 2025 No new matches Change +1 Rating 1,382

Rating-period composition

Rating matches
14 0
Record
8–6 Previous month 8–6
Opponents
13 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.

Relevant matches
1.7
Official ranking percentile
-
Performance
-

1.7 weighted matches against 2 different opponents across 1 events

Weighted win rate
-
Expected win rate
-
Average opponent rating
1,241
Repeated-opponent share
0.0%
Network connectivity
80.9%