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 1,577

Rating-period composition

Rating matches
38 0
Record
26–12 Previous month 26–12
Opponents
25 0
Events
11 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 +1 Rating 1,576

Rating-period composition

Rating matches
38 0
Record
26–12 Previous month 26–12
Opponents
25 0
Events
11 0

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

June 2026 3 new matches · 7 left period Change -33 Rating 1,575

Rating-period composition

Rating matches
38 -4
Record
26–12 Previous month 31–11
Opponents
25 -2
Events
11 +1

7 older matches left the 12-month period: 5 won and 2 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
2026 AGF Antwerp Championships No Gi Kids / Mixed / Kids (8 - 9 yrs) / Gray / Rooster III (Up to 24.94 kg)
Method Submission 01:25 3–1
Marginal influence -8
Loss
June 13, 2026 Tym Covyn
2026 AGF Antwerp Championships No Gi Kids / Mixed / Kids (8 - 9 yrs) / Gray / Rooster III (Up to 24.94 kg)
Method Submission 0–10
Marginal influence -4
Loss
June 6, 2026 Haroon Royet
RISING STAR CUP 3 U9 BOYS / INTERMEDIATE / -27,0 kg / U9
Method Points 03:00 0–7
Marginal influence -9
May 2026 7 new matches · 8 left period Change +9 Rating 1,608

Rating-period composition

Rating matches
42 -1
Record
31–11 Previous month 33–10
Opponents
27 -5
Events
10 -1

8 older matches left the 12-month period: 6 won and 2 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
May 10, 2026 Tym Covyn
2026 AGF Belgium Championships No Gi Kids / Boys / Kids (8 - 9 yrs) / Gray / Rooster III (Up to 24.94 kg)
Method Submission 00:42 0–0
Marginal influence -4
Loss
2026 AGF Belgium Championships No Gi Kids / Boys / Kids (8 - 9 yrs) / Gray / Rooster III (Up to 24.94 kg)
Method Submission 01:24 0–0
Marginal influence -7
Win
May 10, 2026 Tym Covyn
2026 AGF Belgium Championships Gi Kids / Boys / Kids (8 - 9 yrs) / Gray / Rooster III (Up to 24.94 kg)
Method Points 03:00 4–1
Marginal influence +10
Loss
2026 AGF Belgium Championships Gi Kids / Boys / Kids (8 - 9 yrs) / Gray / Rooster III (Up to 24.94 kg)
Method Points 03:00 2–6
Marginal influence -9
Win
May 9, 2026 Ike Jelinski
OPEN BRUSSELS 3 FBJJB RANKING KID GI & NoGi 09.05.2026 BOY GI DIVISION (-16years old) / KID GI / KID (-16years old) / -25kg (cat 2 : 7-8-9)
Method Points 03:00 4–0
Marginal influence +7
Win
May 9, 2026 Teddy Poujade
OPEN BRUSSELS 3 FBJJB RANKING KID GI & NoGi 09.05.2026 BOY GI DIVISION (-16years old) / KID GI / KID (-16years old) / -25kg (cat 2 : 7-8-9)
Method Submission 00:10 0–0
Marginal influence +5
Win
May 9, 2026 Jayden Tirez
OPEN BRUSSELS 3 FBJJB RANKING KID GI & NoGi 09.05.2026 BOY GI DIVISION (-16years old) / KID GI / KID (-16years old) / -25kg (cat 2 : 7-8-9)
Method Points 03:00 11–0
Marginal influence +10
April 2026 No new matches Change +3 Rating 1,599

Rating-period composition

Rating matches
43 0
Record
33–10 Previous month 33–10
Opponents
32 0
Events
11 0

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

March 2026 6 new matches · 4 left period Change +57 Rating 1,596

Rating-period composition

Rating matches
43 +2
Record
33–10 Previous month 28–13
Opponents
32 +1
Events
11 0

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.

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 Tym Covyn
OPEN BRUSSELS 2 FBJJB RANKING KID GI & NoGi 14.03.2025 NoGi DIVISION (-16years old) / KID NoGi / KID (-16years old) / -25kg (cat 2 : 7-8-9-10)
Method Points 03:00 0–9
Marginal influence -4
Win
March 14, 2026 Yago Diniz De Araujo
OPEN BRUSSELS 2 FBJJB RANKING KID GI & NoGi 14.03.2025 NoGi DIVISION (-16years old) / KID NoGi / KID (-16years old) / -25kg (cat 2 : 7-8-9-10)
Method Submission 01:05 9–0
Marginal influence +2
Win
March 14, 2026 Jayden Tirez
OPEN BRUSSELS 2 FBJJB RANKING KID GI & NoGi 14.03.2025 NoGi DIVISION (-16years old) / KID NoGi / KID (-16years old) / -25kg (cat 2 : 7-8-9-10)
Method Points 03:00 3–0
Marginal influence +4
Win
March 14, 2026 Yago Diniz De Araujo
OPEN BRUSSELS 2 FBJJB RANKING KID GI & NoGi 14.03.2025 BOY GI DIVISION (-16years old) / KID GI / KID (-16years old) / -25kg (cat 2 : 7)
Method Points 03:00 10–2
Marginal influence +6
Win
March 14, 2026 Ibrâhim SALLOUT
OPEN BRUSSELS 2 FBJJB RANKING KID GI & NoGi 14.03.2025 BOY GI DIVISION (-16years old) / KID GI / KID (-16years old) / -25kg (cat 2 : 7)
Method Points 03:00 4–0
Marginal influence +11
Win
March 14, 2026 Ismael Boutkabout
OPEN BRUSSELS 2 FBJJB RANKING KID GI & NoGi 14.03.2025 BOY GI DIVISION (-16years old) / KID GI / KID (-16years old) / -25kg (cat 2 : 7)
Method Submission 01:12 7–2
Marginal influence +6
February 2026 No new matches Change +3 Rating 1,539

Rating-period composition

Rating matches
41 0
Record
28–13 Previous month 28–13
Opponents
31 0
Events
11 0

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

January 2026 4 new matches · 6 left period Change -14 Rating 1,536

Rating-period composition

Rating matches
41 -2
Record
28–13 Previous month 30–13
Opponents
31 -2
Events
11 0

6 older matches left the 12-month period: 4 won and 2 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
2026 AGF Brugge Championships No Gi Kids / Boys / Little Kids (6 - 7 yrs) / Gray / Rooster III (Up to 24.94 kg)
Method Submission 00:26 1–0
Marginal influence -9
Win
January 24, 2026 Yago Diniz De Araujo
2026 AGF Brugge Championships No Gi Kids / Boys / Little Kids (6 - 7 yrs) / Gray / Rooster III (Up to 24.94 kg)
Method Points 02:00 5–0
Marginal influence +3
Loss
2026 AGF Brugge Championships Gi Kids / Boys / Little Kids (6 - 7 yrs) / Gray / Rooster III (Up to 24.94 kg)
Method Submission 00:58 1–0
Marginal influence -10
Win
January 24, 2026 Yago Diniz De Araujo
2026 AGF Brugge Championships Gi Kids / Boys / Little Kids (6 - 7 yrs) / Gray / Rooster III (Up to 24.94 kg)
Method Submission 01:24 9–0
Marginal influence +6
December 2025 No new matches · 2 left period Change -2 Rating 1,550

Rating-period composition

Rating matches
43 -2
Record
30–13 Previous month 32–13
Opponents
33 -2
Events
11 -1

2 older matches left the 12-month period: 2 won and 0 lost. The rating is then recalculated across the full network, so the monthly change is not a sum of separate deductions.

November 2025 7 new matches · 2 left period Change +29 Rating 1,552

Rating-period composition

Rating matches
45 +5
Record
32–13 Previous month 27–13
Opponents
35 +6
Events
12 +1

2 older matches left the 12-month period: 2 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.
Win
November 30, 2025 Moussa Allach
The Future League 8 – Gi & No-Gi Gi-02
Method Points 02:00 8–0
Marginal influence +12
Win
November 30, 2025 Aaliyah Muntar
The Future League 8 – Gi & No-Gi Gi-02
Method Points 02:00 7–0
Marginal influence +5
Win
November 30, 2025 Chloë Bonilla
The Future League 8 – Gi & No-Gi Gi-02
Method Submission 00:32 7–0
Marginal influence +4
Win
November 30, 2025 Luc Müller
The Future League 8 – Gi & No-Gi Gi-02
Method Submission 00:31 6–0
Marginal influence +6
Win
BELGIAN CHAMPIONSHIP GI KIDS YOUTH & ADULTS / CHAMPIONNAT DE BELGIQUE GI KIDS YOUTH & ADULTS Boys Gi / White-Grey / 6-7 yrs / -24 kg
Method Points 02:00 13–0
Marginal influence +4
Win
November 22, 2025 Akin Seyf
BELGIAN CHAMPIONSHIP GI KIDS YOUTH & ADULTS / CHAMPIONNAT DE BELGIQUE GI KIDS YOUTH & ADULTS Boys Gi / White-Grey / 6-7 yrs / -24 kg
Method Points 02:00 6–0
Marginal influence +6
Win
November 22, 2025 Leon Demanet
BELGIAN CHAMPIONSHIP GI KIDS YOUTH & ADULTS / CHAMPIONNAT DE BELGIQUE GI KIDS YOUTH & ADULTS Boys Gi / White-Grey / 6-7 yrs / -24 kg
Method Points 02:00 6–0
Marginal influence +5
October 2025 5 new matches · 4 left period Change +23 Rating 1,523

Rating-period composition

Rating matches
40 +1
Record
27–13 Previous month 25–14
Opponents
29 0
Events
11 +1

4 older matches left the 12-month period: 3 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
October 25, 2025 Musa Turkmen
Lion Cub Jiu Jitsu Competition 5 Boys NO-GI / 7 & 8 years old (DAY 2: Sunday) / White & Grey belt / -27 kg
Method Points 03:00 9–0
Marginal influence 0
Win
October 25, 2025 Damin Ahamed
Lion Cub Jiu Jitsu Competition 5 Boys NO-GI / 7 & 8 years old (DAY 2: Sunday) / White & Grey belt / -27 kg
Method Submission 01:04 6–0
Marginal influence +3
Win
October 25, 2025 Ridouan Chouhou
Lion Cub Jiu Jitsu Competition 5 Boys NO-GI / 7 & 8 years old (DAY 2: Sunday) / White & Grey belt / -27 kg
Method Points 03:00 9–4
Marginal influence +4
Win
October 18, 2025 Abderrahman Dekel
INTERCLUB GRAPPLING VLAANDEREN Jiu Jitsu - Gi - 18/10 Boys Gi / White-Grey / 6-7 yrs / -24 kg
Method Points 02:00 5–0
Marginal influence +10
Win
October 18, 2025 Abdellah Dekel
INTERCLUB GRAPPLING VLAANDEREN Jiu Jitsu - Gi - 18/10 Boys Gi / White-Grey / 6-7 yrs / -24 kg
Method Points 02:00 11–0
Marginal influence +6
September 2025 6 new matches · 6 left period Change -11 Rating 1,500

Rating-period composition

Rating matches
39 0
Record
25–14 Previous month 26–13
Opponents
29 0
Events
10 0

6 older matches left the 12-month period: 4 won and 2 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
September 20, 2025 Tym Covyn
BRUSSELS KID (-16y) FBJJB OPEN 1 - Gi & NoGi 20.09.2025 NoGi DIVISION (-16years old) / KID NoGi / KID (-16years old) / -25kg* (cat 1 : 5-6-7)
Method Submission 00:41 0–2
Marginal influence -4
Win
September 20, 2025 Rizgar Deniz
BRUSSELS KID (-16y) FBJJB OPEN 1 - Gi & NoGi 20.09.2025 NoGi DIVISION (-16years old) / KID NoGi / KID (-16years old) / -25kg* (cat 1 : 5-6-7)
Method Points 02:00 12–0
Marginal influence +5
Loss
September 20, 2025 Issa Niabaly
BRUSSELS KID (-16y) FBJJB OPEN 1 - Gi & NoGi 20.09.2025 BOY GI DIVISION (-16years old) / KID GI / KID (-16years old) / -25kg (cat 2 : 7-8-9-10)
Method Submission 01:37 0–2
Marginal influence -13
Win
BRUSSELS KID (-16y) FBJJB OPEN 1 - Gi & NoGi 20.09.2025 BOY GI DIVISION (-16years old) / KID GI / KID (-16years old) / -25kg (cat 2 : 7-8-9-10)
Method Submission 00:22 6–0
Marginal influence +4
Win
September 20, 2025 Kaïs El Hichou
BRUSSELS KID (-16y) FBJJB OPEN 1 - Gi & NoGi 20.09.2025 BOY GI DIVISION (-16years old) / KID GI / KID (-16years old) / -25kg (cat 2 : 7-8-9-10)
Method Points 02:30 3–0
Marginal influence +4
Loss
September 20, 2025 Tym Covyn
BRUSSELS KID (-16y) FBJJB OPEN 1 - Gi & NoGi 20.09.2025 BOY GI DIVISION (-16years old) / KID GI / KID (-16years old) / -25kg (cat 2 : 7-8-9-10)
Method Submission 00:39 0–4
Marginal influence -6
Relevant matches
25.4
Official ranking percentile
Top 3%
Performance
11.6 pp above expectation

25.4 weighted matches against 25 different opponents across 11 events

Weighted win rate
73.6%
Expected win rate
62.0%
Average opponent rating
1,404
Repeated-opponent share
34.2%
Network connectivity
80.9%