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 -1 Rating 1,471

Rating-period composition

Rating matches
21 0
Record
17–4 Previous month 17–4
Opponents
11 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 1,472

Rating-period composition

Rating matches
21 0
Record
17–4 Previous month 17–4
Opponents
11 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 +6 Rating 1,472

Rating-period composition

Rating matches
21 0
Record
17–4 Previous month 17–4
Opponents
11 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 2 new matches Change -35 Rating 1,466

Rating-period composition

Rating matches
21 +2
Record
17–4 Previous month 17–2
Opponents
11 +1
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
May 23, 2026 Šimon Popelka
NAGA Germany Grappling Championship Children Gi (Male) / Intermediate / 45 - 49.9 / 10-11 years
Method Points 03:00 2–15
Marginal influence -15
Loss
May 23, 2026 Šimon Popelka
NAGA Germany Grappling Championship Children No-Gi (Male) / Intermediate / 45 - 49.9 / 10-11 years
Method Submission 00:33 0–2
Marginal influence -16
April 2026 No new matches Change +2 Rating 1,501

Rating-period composition

Rating matches
19 0
Record
17–2 Previous month 17–2
Opponents
10 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 10 new matches · 8 left period Change +28 Rating 1,499

Rating-period composition

Rating matches
19 +2
Record
17–2 Previous month 14–3
Opponents
10 +1
Events
2 0

8 older matches left the 12-month period: 7 won and 1 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.
Win
March 14, 2026 Joleen Bugge
Grappling Industries NUREMBERG No Gi Kids / Intermediate (Grey) / 10 - 11 years / -105 lbs
Method Points 03:00 9–2
Marginal influence +5
Win
March 14, 2026 Kacper Sobczak
Grappling Industries NUREMBERG Gi Kids / Grey / 10 - 11 years / -105 lbs
Method Submission 02:49 16–2
Marginal influence +8
Win
March 14, 2026 Max Knorr
Grappling Industries NUREMBERG No Gi Kids / Intermediate (Grey) / 10 - 11 years / -105 lbs
Method Submission 02:04 17–0
Marginal influence +7
Win
March 14, 2026 Kacper Sobczak
Grappling Industries NUREMBERG No Gi Kids / Intermediate (Grey) / 10 - 11 years / -105 lbs
Method Points 03:00 16–4
Marginal influence +7
Win
March 14, 2026 Miron Betlinsky
Grappling Industries NUREMBERG No Gi Kids / Intermediate (Grey) / 10 - 11 years / -105 lbs
Method Points 03:00 16–2
Marginal influence +7
Win
March 14, 2026 Dmytro Lysiy
Grappling Industries NUREMBERG No Gi Kids / Intermediate (Grey) / 10 - 11 years / -105 lbs
Method Submission 00:48 9–0
Marginal influence +4
Win
March 14, 2026 Drago Hieronymus
Grappling Industries NUREMBERG Gi Kids / Grey / 10 - 11 years / -105 lbs
Method Submission 02:03 9–0
Marginal influence +4
Win
March 14, 2026 Kacper Sobczak
Grappling Industries NUREMBERG Gi Kids / Grey / 10 - 11 years / -105 lbs
Method Submission 01:32 0–2
Marginal influence +8
Win
March 14, 2026 Dmytro Lysiy
Grappling Industries NUREMBERG Gi Kids / Grey / 10 - 11 years / -105 lbs
Method Submission 00:34 2–0
Marginal influence +4
Win
March 14, 2026 Leonard Kneitel
Grappling Industries NUREMBERG Gi Kids / Grey / 10 - 11 years / -105 lbs
Method Submission 01:36 14–0
Marginal influence +5
February 2026 No new matches Change 0 Rating 1,471

Rating-period composition

Rating matches
17 0
Record
14–3 Previous month 14–3
Opponents
9 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 -6 Rating 1,471

Rating-period composition

Rating matches
17 0
Record
14–3 Previous month 14–3
Opponents
9 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 Change -1 Rating 1,477

Rating-period composition

Rating matches
17 0
Record
14–3 Previous month 14–3
Opponents
9 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.

November 2025 No new matches Change 0 Rating 1,478

Rating-period composition

Rating matches
17 0
Record
14–3 Previous month 14–3
Opponents
9 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.

October 2025 9 new matches · 10 left period Change +27 Rating 1,478

Rating-period composition

Rating matches
17 -1
Record
14–3 Previous month 14–4
Opponents
9 0
Events
2 0

10 older matches left the 12-month period: 7 won and 3 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
October 11, 2025 Ismail Ceman
Grappling Industries NUREMBERG Gi Kids / Grey / 10 - 11 years / -105 lbs
Method Points 03:00 0–16
Marginal influence -12
Loss
October 11, 2025 Joleen Bugge
Grappling Industries NUREMBERG No Gi Kids / Intermediate (Grey) / 10 - 11 years / -105 lbs
Method Points 03:00 0–2
Marginal influence -13
Win
October 11, 2025 Ismail Ceman
Grappling Industries NUREMBERG No Gi Kids / Intermediate (Grey) / 10 - 11 years / -105 lbs
Method Points 03:00 6–0
Marginal influence +10
Win
October 11, 2025 Ben Daniel
Grappling Industries NUREMBERG No Gi Kids / Intermediate (Grey) / 10 - 11 years / -105 lbs
Method Submission 01:15 9–0
Marginal influence +8
Win
October 11, 2025 Noel Fritz Johne
Grappling Industries NUREMBERG No Gi Kids / Intermediate (Grey) / 10 - 11 years / -105 lbs
Method Points 03:00 2–0
Marginal influence +6
Win
October 11, 2025 Joleen Bugge
Grappling Industries NUREMBERG Gi Kids / Grey / 10 - 11 years / -105 lbs
Method Submission 6–0
Marginal influence +8
Win
October 11, 2025 Ismail Ceman
Grappling Industries NUREMBERG Gi Kids / Grey / 10 - 11 years / -105 lbs
Method Submission 00:46 0–3
Marginal influence +6
Win
October 11, 2025 Ben Daniel
Grappling Industries NUREMBERG Gi Kids / Grey / 10 - 11 years / -105 lbs
Method Submission 01:57 6–0
Marginal influence +5
Win
October 11, 2025 Noel Fritz Johne
Grappling Industries NUREMBERG Gi Kids / Grey / 10 - 11 years / -105 lbs
Method Submission 01:20 2–0
Marginal influence +9
September 2025 No new matches Change +2 Rating 1,451

Rating-period composition

Rating matches
18 0
Record
14–4 Previous month 14–4
Opponents
9 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
13.7
Official ranking percentile
Top 12%
Performance
18.0 pp above expectation

13.7 weighted matches against 11 different opponents across 3 events

Weighted win rate
80.1%
Expected win rate
62.1%
Average opponent rating
1,305
Repeated-opponent share
47.6%
Network connectivity
80.9%