TopBJJ Index Youth

TopBJJ Index

Search TopBJJ Index
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 · 4 left period Change +21 Rating 1,448

Rating-period composition

Rating matches
40 -4
Record
22–18 Previous month 22–22
Opponents
20 -2
Events
6 -1

4 older matches left the 12-month period: 0 won and 4 lost. The rating is then recalculated across the full network, so the monthly change is not a sum of separate deductions.

July 2026 No new matches Change +1 Rating 1,427

Rating-period composition

Rating matches
44 0
Record
22–22 Previous month 22–22
Opponents
22 0
Events
7 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 · 8 left period Change +9 Rating 1,426

Rating-period composition

Rating matches
44 -8
Record
22–22 Previous month 24–28
Opponents
22 -3
Events
7 -1

8 older matches left the 12-month period: 2 won and 6 lost. The rating is then recalculated across the full network, so the monthly change is not a sum of separate deductions.

May 2026 12 new matches Change 0 Rating 1,417

Rating-period composition

Rating matches
52 +12
Record
24–28 Previous month 21–19
Opponents
25 +3
Events
8 +2

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
May 23, 2026 Kayden Bacchus
NAGA Germany Grappling Championship Children Gi (Male) / Intermediate / 30 - 34.9 / 8-9 years
Method Points 03:00 5–2
Marginal influence +6
Loss
NAGA Germany Grappling Championship Children Gi (Male) / Intermediate / 30 - 34.9 / 8-9 years
Method Points 03:00 6–12
Marginal influence -7
Loss
May 23, 2026 Antonio Brigden
NAGA Germany Grappling Championship Children No-Gi (Male) / Intermediate / 30 - 34.9 / 8-9 years
Method Points 03:00 2–7
Marginal influence -9
Win
May 23, 2026 Kayden Bacchus
NAGA Germany Grappling Championship Children No-Gi (Male) / Intermediate / 30 - 34.9 / 8-9 years
Method Submission 00:30 9–0
Marginal influence +4
Loss
May 2, 2026 Nadir Balakouh
2026 AGF Saarbrucken Championships Gi Kids / Mixed / Kids (8 - 9 yrs) / Gray / Feather II (Up to 34.00 kg)
Method Points 03:00 0–10
Marginal influence -2
Win
May 2, 2026 Adam Kucukalic
2026 AGF Saarbrucken Championships Gi Kids / Mixed / Kids (8 - 9 yrs) / Gray / Feather II (Up to 34.00 kg)
Method Submission 02:00 10–0
Marginal influence +8
Loss
2026 AGF Saarbrucken Championships Gi Kids Challenger / Boys / Regular Challenger / Feather II (Up to 34.00 kg)
Method Submission 01:12 0–11
Marginal influence -2
Loss
May 2, 2026 Nadir Balakouh
2026 AGF Saarbrucken Championships Gi Kids Challenger / Boys / Regular Challenger / Feather II (Up to 34.00 kg)
Method Points 03:00 0–6
Marginal influence -2
Loss
May 2, 2026 Nadir Balakouh
2026 AGF Saarbrucken Championships No Gi Kids Challenger / Boys / Regular Challenger / Feather II (Up to 34.00 kg)
Method Points 03:00 2–12
Marginal influence -3
Loss
2026 AGF Saarbrucken Championships No Gi Kids Challenger / Boys / Regular Challenger / Feather II (Up to 34.00 kg)
Method Submission 00:39 0–2
Marginal influence -4
Loss
May 2, 2026 Nadir Balakouh
2026 AGF Saarbrucken Championships No Gi Kids / Boys / Kids (8 - 9 yrs) / Gray / Feather II (Up to 34.00 kg)
Method Submission 01:28 0–2
Marginal influence -3
Loss
May 2, 2026 Nadir Balakouh
2026 AGF Saarbrucken Championships No Gi Kids / Boys / Kids (8 - 9 yrs) / Gray / Feather II (Up to 34.00 kg)
Method Submission 00:44 0–4
Marginal influence -3
April 2026 6 new matches Change +33 Rating 1,417

Rating-period composition

Rating matches
40 +6
Record
21–19 Previous month 15–19
Opponents
22 +2
Events
6 +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
April 18, 2026 Oskar Röhrig
FRANKFURT SPRING OPEN CHAMPIONSHIP 2026 I EUROPEAN CUP Boys No-Gi (under 16 y.o.) / Grey / 8-9 years / -34 kg
Method Points 03:00 4–0
Marginal influence +4
Win
April 18, 2026 Kayden Bacchus
FRANKFURT SPRING OPEN CHAMPIONSHIP 2026 I EUROPEAN CUP Boys No-Gi (under 16 y.o.) / Grey / 8-9 years / -34 kg
Method Submission 02:25 4–0
Marginal influence +4
Win
April 18, 2026 Kayden Bacchus
FRANKFURT SPRING OPEN CHAMPIONSHIP 2026 I EUROPEAN CUP Boys Gi (under 16 y.o.) / Grey / 8-9 years / -34 kg
Method Points 03:00 17–2
Marginal influence +5
Win
April 18, 2026 Linus Englert
FRANKFURT SPRING OPEN CHAMPIONSHIP 2026 I EUROPEAN CUP Boys Gi (under 16 y.o.) / Grey / 8-9 years / -34 kg
Method Submission 00:28 5–0
Marginal influence +6
Win
April 18, 2026 Oskar Röhrig
FRANKFURT SPRING OPEN CHAMPIONSHIP 2026 I EUROPEAN CUP Boys Gi (under 16 y.o.) / Grey / 8-9 years / -34 kg
Method Points 03:00 2–0
Marginal influence +4
Win
April 18, 2026 Marlon Seibt
FRANKFURT SPRING OPEN CHAMPIONSHIP 2026 I EUROPEAN CUP Boys Gi (under 16 y.o.) / Grey / 8-9 years / -34 kg
Method Submission 2–0
Marginal influence +8
March 2026 9 new matches Change +93 Rating 1,384

Rating-period composition

Rating matches
34 +9
Record
15–19 Previous month 7–18
Opponents
20 +6
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.
Loss
March 14, 2026 Kiril Delos Santos
Grappling Industries NUREMBERG Gi Kids / Grey / 8 - 9 years / -75 lbs
Method Points 03:00 2–4
Marginal influence -4
Win
March 14, 2026 Kayden Bacchus
Grappling Industries NUREMBERG Gi Kids / Grey / 8 - 9 years / -75 lbs
Method Submission 00:33 6–0
Marginal influence +5
Win
March 14, 2026 Henri Ullrich
Grappling Industries NUREMBERG No Gi Kids / Intermediate (Grey) / 8 - 9 years / -75 lbs
Method Points 03:00 12–0
Marginal influence +5
Win
March 14, 2026 Kayden Bacchus
Grappling Industries NUREMBERG No Gi Kids / Intermediate (Grey) / 8 - 9 years / -75 lbs
Method Disqualification 01:54 4–0
Marginal influence +3
Win
March 14, 2026 Oskar Röhrig
Grappling Industries NUREMBERG No Gi Kids / Intermediate (Grey) / 8 - 9 years / -75 lbs
Method Points 03:00 14–0
Marginal influence +4
Win
March 14, 2026 Oskar Röhrig
Grappling Industries NUREMBERG Gi Kids / Grey / 8 - 9 years / -75 lbs
Method Points 03:00 10–0
Marginal influence +4
Win
March 14, 2026 Johanna Krämer
Grappling Industries NUREMBERG Gi Kids / Grey / 8 - 9 years / -75 lbs
Method Submission 00:31 0–0
Marginal influence +6
Win
March 14, 2026 Konstantin Škarica
Grappling Industries NUREMBERG Gi Kids / Grey / 8 - 9 years / -75 lbs
Method Submission 00:24 2–0
Marginal influence +4
Win
March 14, 2026 Henri Ullrich
Grappling Industries NUREMBERG Gi Kids / Grey / 8 - 9 years / -75 lbs
Method Submission 02:34 11–7
Marginal influence +5
February 2026 No new matches · 8 left period Change +1 Rating 1,291

Rating-period composition

Rating matches
25 -8
Record
7–18 Previous month 9–24
Opponents
14 -2
Events
4 -1

8 older matches left the 12-month period: 2 won and 6 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 +1 Rating 1,290

Rating-period composition

Rating matches
33 0
Record
9–24 Previous month 9–24
Opponents
16 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.

December 2025 No new matches Change -1 Rating 1,289

Rating-period composition

Rating matches
33 0
Record
9–24 Previous month 9–24
Opponents
16 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.

November 2025 7 new matches Change -25 Rating 1,290

Rating-period composition

Rating matches
33 +7
Record
9–24 Previous month 8–18
Opponents
16 +3
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.
Loss
November 29, 2025 Richard Finn Gemmecker
2025 AGF Saarbrucken Open Gi Kids Challenger / Boys / Regular Challenger / Feather II (Up to 34.00 kg)
Method Submission 02:50 0–2
Marginal influence -2
Loss
November 29, 2025 Leandro Weidner
2025 AGF Saarbrucken Open No Gi Kids Challenger / Boys / Regular Challenger / Feather II (Up to 34.00 kg)
Method Points 03:00 0–8
Marginal influence -7
Loss
November 29, 2025 Richard Finn Gemmecker
2025 AGF Saarbrucken Open No Gi Kids Challenger / Boys / Regular Challenger / Feather II (Up to 34.00 kg)
Method Submission 00:19 0–0
Marginal influence -4
Loss
November 29, 2025 Israel Esparza
2025 AGF Saarbrucken Open No Gi Kids / Boys / Kids (8 - 9 yrs) / Gray / Feather II (Up to 34.00 kg)
Method Submission 01:00 2–0
Marginal influence -11
Loss
November 29, 2025 Lucas Rîiosu
2025 AGF Saarbrucken Open No Gi Kids / Boys / Kids (8 - 9 yrs) / Gray / Feather II (Up to 34.00 kg)
Method Submission 00:25 0–2
Marginal influence -12
Win
November 29, 2025 Lucas Rîiosu
2025 AGF Saarbrucken Open Gi Kids / Boys / Kids (8 - 9 yrs) / Gray / Feather II (Up to 34.00 kg)
Method Submission 02:06 1–3
Marginal influence +9
Loss
November 29, 2025 Leandro Weidner
2025 AGF Saarbrucken Open Gi Kids / Boys / Kids (8 - 9 yrs) / Gray / Feather II (Up to 34.00 kg)
Method Submission 01:06 0–0
Marginal influence -11
October 2025 6 new matches Change +72 Rating 1,315

Rating-period composition

Rating matches
26 +6
Record
8–18 Previous month 4–16
Opponents
13 +4
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.
Loss
October 26, 2025 Anni Diana Goller
Southside Battle Trials 2025 - Kinder und Jugendliche U10 - male / female - NoGi / U10 - Alter 7 Jahre bis 9 Jahre / -32 kg
Method Points 03:00 2–4
Marginal influence -9
Win
October 26, 2025 Hannes Schmidt
Southside Battle Trials 2025 - Kinder und Jugendliche U10 - male / female - NoGi / U10 - Alter 7 Jahre bis 9 Jahre / -32 kg
Method Points 03:00 4–0
Marginal influence +9
Win
October 26, 2025 Erik Bubser
Southside Battle Trials 2025 - Kinder und Jugendliche U10 - male / female - NoGi / U10 - Alter 7 Jahre bis 9 Jahre / -32 kg
Method Points 03:00 2–0
Marginal influence +4
Win
October 26, 2025 Anni Diana Goller
Southside Battle Trials 2025 - Kinder und Jugendliche U10 - male / female - Gi / U10 - Alter 7 Jahre bis 9 Jahre / -31 kg
Method Points 03:00 2–0
Marginal influence +11
Loss
Southside Battle Trials 2025 - Kinder und Jugendliche U10 - male / female - Gi / U10 - Alter 7 Jahre bis 9 Jahre / -31 kg
Method Points 03:00 0–2
Marginal influence -7
Win
October 26, 2025 Bas Hannet
Southside Battle Trials 2025 - Kinder und Jugendliche U10 - male / female - Gi / U10 - Alter 7 Jahre bis 9 Jahre / -31 kg
Method Submission 01:16 11–0
Marginal influence +6
September 2025 No new matches Change +3 Rating 1,243

Rating-period composition

Rating matches
20 0
Record
4–16 Previous month 4–16
Opponents
9 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.

Relevant matches
23.9
Official ranking percentile
Top 16%
Performance
6.2 pp above expectation

23.9 weighted matches against 20 different opponents across 6 events

Weighted win rate
56.4%
Expected win rate
50.2%
Average opponent rating
1,389
Repeated-opponent share
50.0%
Network connectivity
80.9%