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 1,197

Rating-period composition

Rating matches
9 0
Record
1–8 Previous month 1–8
Opponents
6 0
Events
3 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 1,197

Rating-period composition

Rating matches
9 0
Record
1–8 Previous month 1–8
Opponents
6 0
Events
3 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 0 Rating 1,197

Rating-period composition

Rating matches
9 0
Record
1–8 Previous month 1–8
Opponents
6 0
Events
3 0

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

May 2026 5 new matches Change +20 Rating 1,197

Rating-period composition

Rating matches
9 +5
Record
1–8 Previous month 1–3
Opponents
6 +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
Grappling Industries PRAGUE No Gi Kids / Beginner (White) / 10 - 11 years / -75 lbs
Method Points 03:00 0–2
Marginal influence -8
Loss
May 16, 2026 Tomáš Sečka
Grappling Industries PRAGUE No Gi Kids / Beginner (White) / 10 - 11 years / -75 lbs
Method Submission 01:02 0–0
Marginal influence -6
Loss
Grappling Industries PRAGUE No Gi Kids / Beginner (White) / 10 - 11 years / -75 lbs
Method Points 03:00 0–9
Marginal influence -11
Loss
Grappling Industries PRAGUE Gi Kids / White / 10 - 11 years / -75 lbs
Method Points 03:00 0–6
Marginal influence -15
Loss
May 16, 2026 Tomáš Sečka
Grappling Industries PRAGUE Gi Kids / White / 10 - 11 years / -75 lbs
Method Points 03:00 0–0
Marginal influence -14
April 2026 No new matches Change 0 Rating 1,177

Rating-period composition

Rating matches
4 0
Record
1–3 Previous month 1–3
Opponents
3 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.

March 2026 2 new matches Change -32 Rating 1,177

Rating-period composition

Rating matches
4 +2
Record
1–3 Previous month 1–1
Opponents
3 +1
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.
Loss
March 21, 2026 Leonora Grubesic
MOMENTUM 12 - Vienna Open BJJ Gi & No Gi Kids Female Gi / U12 (10-11) years / white Belt / -36kg
Method Submission 02:57 0–6
Marginal influence -15
Loss
March 21, 2026 Leonora Grubesic
MOMENTUM 12 - Vienna Open BJJ Gi & No Gi Kids Female Gi / U12 (10-11) years / white Belt / -36kg
Method Submission 01:31 0–6
Marginal influence -15
February 2026 No new matches Change 0 Rating 1,209

Rating-period composition

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

January 2026 No new matches Change +1 Rating 1,209

Rating-period composition

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

December 2025 No new matches Change 0 Rating 1,208

Rating-period composition

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

November 2025 2 new matches Change Starting point Rating 1,208

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
November 29, 2025 Emilia Steindl
MOMENTUM 11 - Vienna Open BJJ Gi & No Gi Kids Female Gi / U12 (10-11) years / white Belt / -32kg
Method Submission 01:39 0–13
Marginal influence -7
Win
November 29, 2025 Sumeya Bozkurt
MOMENTUM 11 - Vienna Open BJJ Gi & No Gi Kids Female Gi / U12 (10-11) years / white Belt / -32kg
Method Points 04:00 12–0
Marginal influence +32
Relevant matches
6.8
Official ranking percentile
Top 88%
Performance
28.4 pp below expectation

6.8 weighted matches against 6 different opponents across 3 events

Weighted win rate
12.3%
Expected win rate
40.7%
Average opponent rating
1,336
Repeated-opponent share
33.3%
Network connectivity
80.9%