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 · 4 left period Change -4 Rating 1,385

Rating-period composition

Rating matches
32 -4
Record
17–15 Previous month 18–18
Opponents
19 -3
Events
7 -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.

July 2026 No new matches Change 0 Rating 1,389

Rating-period composition

Rating matches
36 0
Record
18–18 Previous month 18–18
Opponents
22 0
Events
8 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 1,389

Rating-period composition

Rating matches
36 0
Record
18–18 Previous month 18–18
Opponents
22 0
Events
8 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 · 2 left period Change +2 Rating 1,389

Rating-period composition

Rating matches
36 -2
Record
18–18 Previous month 19–19
Opponents
22 -2
Events
8 -1

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

April 2026 4 new matches · 3 left period Change -10 Rating 1,387

Rating-period composition

Rating matches
38 +1
Record
19–19 Previous month 18–19
Opponents
24 +3
Events
9 0

3 older matches left the 12-month period: 0 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
April 26, 2026 Ethan THONG
NAGA Brussels Grappling Championship Children No-Gi (Male) / Expert / 40 - 44.9 / 12-13 years
Method Submission 02:04 2–4
Marginal influence -5
Loss
April 26, 2026 Viktor Stankovic
NAGA Brussels Grappling Championship Children No-Gi (Male) / Expert / 40 - 44.9 / 12-13 years
Method Decision 04:00 2–2
Marginal influence -9
Loss
April 26, 2026 Ethan THONG
NAGA Brussels Grappling Championship Children Gi (Male) / Intermediate / 40 - 44.9 / 12-13 years
Method Submission 01:20 0–2
Marginal influence -8
Win
April 26, 2026 Frits Van Est
NAGA Brussels Grappling Championship Children Gi (Male) / Intermediate / 40 - 44.9 / 12-13 years
Method Points 03:00 13–0
Marginal influence +9
March 2026 6 new matches · 6 left period Change +25 Rating 1,397

Rating-period composition

Rating matches
37 0
Record
18–19 Previous month 16–21
Opponents
21 -2
Events
9 0

6 older matches left the 12-month period: 2 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.
Win
March 21, 2026 Wolf De Wint
Grappling Industries BRUSSELS No Gi Kids / 12 - 13 years (Male) / Intermediate (Grey) / -95 lbs
Method Submission 02:41 7–0
Marginal influence +6
Loss
March 21, 2026 Parsa Kashani Nejad
Grappling Industries BRUSSELS No Gi Kids / 12 - 13 years (Male) / Intermediate (Grey) / -95 lbs
Method Submission 01:21 0–6
Marginal influence -8
Win
March 21, 2026 Leo De Vuyst
Grappling Industries BRUSSELS No Gi Kids / 12 - 13 years (Male) / Intermediate (Grey) / -95 lbs
Method Submission 01:41 9–0
Marginal influence +5
Win
March 21, 2026 Leo De Vuyst
Grappling Industries BRUSSELS Gi Kids / 12 - 13 years (Male) / Grey / -95 lbs
Method Points 03:00 15–2
Marginal influence +10
Win
March 21, 2026 Wolf De Wint
Grappling Industries BRUSSELS Gi Kids / 12 - 13 years (Male) / Grey / -95 lbs
Method Submission 02:40 9–0
Marginal influence +3
Loss
March 21, 2026 Parsa Kashani Nejad
Grappling Industries BRUSSELS Gi Kids / 12 - 13 years (Male) / Grey / -95 lbs
Method Points 03:00 0–6
Marginal influence -5
February 2026 7 new matches Change +13 Rating 1,372

Rating-period composition

Rating matches
37 +7
Record
16–21 Previous month 13–17
Opponents
23 +2
Events
9 +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
February 21, 2026 Muhammad Sakaev
2026 AGF Bremen Championships Gi Kids / Boys / Juniors (12 - 13 yrs) / Gray / Light I (Up to 43.10 kg)
Method Points 03:00 1–2
Marginal influence -6
Win
February 21, 2026 Lev Skomarovskyi
2026 AGF Bremen Championships Gi Kids / Boys / Juniors (12 - 13 yrs) / Gray / Light I (Up to 43.10 kg)
Method Submission 01:04 0–2
Marginal influence +7
Loss
February 21, 2026 Muhammad Sakaev
2026 AGF Bremen Championships No Gi Kids Challenger / Boys / Regular Challenger / Light I (Up to 43.10 kg)
Method Submission 01:39 0–4
Marginal influence -3
Win
February 21, 2026 Muhammad Sakaev
2026 AGF Bremen Championships No Gi Kids / Boys / Juniors (12 - 13 yrs) / Gray / Light I (Up to 43.10 kg)
Method Points 03:00 2–0
Marginal influence +6
Loss
February 21, 2026 Muhammad Sakaev
2026 AGF Bremen Championships No Gi Kids / Boys / Juniors (12 - 13 yrs) / Gray / Light I (Up to 43.10 kg)
Method Submission 00:27 0–0
Marginal influence -3
Win
February 21, 2026 Muhammad Sakaev
2026 AGF Bremen Championships No Gi Kids / Boys / Juniors (12 - 13 yrs) / Gray / Light I (Up to 43.10 kg)
Method Submission 00:19 0–2
Marginal influence +6
Loss
February 21, 2026 Muhammad Sakaev
2026 AGF Bremen Championships Gi Kids Challenger / Boys / Regular Challenger / Light I (Up to 43.10 kg)
Method Points 03:00 1–2
Marginal influence -6
January 2026 5 new matches · 4 left period Change +41 Rating 1,359

Rating-period composition

Rating matches
30 +1
Record
13–17 Previous month 10–19
Opponents
21 +1
Events
8 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.
Win
January 24, 2026 Kivanc Uygun
2026 AGF Brugge Championships Gi Kids / Boys / Juniors (12 - 13 yrs) / Gray / Light I (Up to 43.10 kg)
Method Points 03:00 8–0
Marginal influence +13
Win
January 24, 2026 Wolf De Wint
2026 AGF Brugge Championships Gi Kids / Boys / Juniors (12 - 13 yrs) / Gray / Light I (Up to 43.10 kg)
Method Submission 00:35 7–0
Marginal influence +3
Loss
January 24, 2026 Aleksander Tavitkian
2026 AGF Brugge Championships No Gi Kids / Boys / Juniors (12 - 13 yrs) / Gray / Light I (Up to 43.10 kg)
Method Submission 00:45 0–2
Marginal influence -5
Win
January 24, 2026 Rayen Zahaf
2026 AGF Brugge Championships No Gi Kids / Boys / Juniors (12 - 13 yrs) / Gray / Light I (Up to 43.10 kg)
Method Points 03:00 3–0
Marginal influence +8
Loss
January 24, 2026 Mykyta Svidnytskyi
2026 AGF Brugge Championships Gi Kids Challenger / Boys / Regular Challenger / Light I (Up to 43.10 kg)
Method Points 03:00 2–14
Marginal influence -4
December 2025 No new matches Change -1 Rating 1,318

Rating-period composition

Rating matches
29 0
Record
10–19 Previous month 10–19
Opponents
20 0
Events
8 0

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

November 2025 6 new matches Change +34 Rating 1,319

Rating-period composition

Rating matches
29 +6
Record
10–19 Previous month 6–17
Opponents
20 +4
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
November 29, 2025 Guy Lev
Grappling Industries BRUSSELS No Gi Kids / Intermediate (Grey) / 12 - 13 years (Male) / -85 lbs
Method Submission 00:52 2–0
Marginal influence +5
Win
November 29, 2025 Guy Lev
Grappling Industries BRUSSELS No Gi Kids / Intermediate (Grey) / 12 - 13 years (Male) / -85 lbs
Method Submission 02:18 8–2
Marginal influence +5
Win
November 29, 2025 Wolf De Wint
Grappling Industries BRUSSELS Gi Kids / Grey / 12 - 13 years (Male) / -85 lbs
Method Submission 01:06 7–0
Marginal influence +3
Win
November 29, 2025 Matheo Van Mol
Grappling Industries BRUSSELS Gi Kids / Grey / 12 - 13 years (Male) / -85 lbs
Method Submission 00:43 4–0
Marginal influence +7
Loss
November 22, 2025 Reda El Bouyafsakh
BELGIAN CHAMPIONSHIP GI KIDS YOUTH & ADULTS / CHAMPIONNAT DE BELGIQUE GI KIDS YOUTH & ADULTS Boys Youth Gi / White & Grey / 13-15 / -44kg
Method Submission 03:15 0–0
Marginal influence -12
Loss
November 22, 2025 Ishaq Boumediene
BELGIAN CHAMPIONSHIP GI KIDS YOUTH & ADULTS / CHAMPIONNAT DE BELGIQUE GI KIDS YOUTH & ADULTS Boys Youth Gi / White & Grey / 13-15 / -44kg
Method Points 04:00 0–0
Marginal influence -11
October 2025 No new matches Change +9 Rating 1,285

Rating-period composition

Rating matches
23 0
Record
6–17 Previous month 6–17
Opponents
16 0
Events
6 0

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

September 2025 4 new matches Change +29 Rating 1,276

Rating-period composition

Rating matches
23 +4
Record
6–17 Previous month 4–15
Opponents
16 +4
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
September 20, 2025 Reda El Bouyafsakh
BRUSSELS KID (-16y) FBJJB OPEN 1 - Gi & NoGi 20.09.2025 NoGi DIVISION (-16years old) / KID NoGi / -43kg* (cat 2 : 12-13-14-15)
Method Points 03:00 6–0
Marginal influence +7
Loss
September 20, 2025 Giorgi Khudoev
BRUSSELS KID (-16y) FBJJB OPEN 1 - Gi & NoGi 20.09.2025 NoGi DIVISION (-16years old) / KID NoGi / -43kg* (cat 2 : 12-13-14-15)
Method Submission 01:03 0–2
Marginal influence -8
Loss
September 20, 2025 Moadh Harrar
BRUSSELS KID (-16y) FBJJB OPEN 1 - Gi & NoGi 20.09.2025 BOY GI DIVISION (-16years old) / KID GI / KID (-16years old) / -43kg (cat 2 : 12-13-14-15)
Method Points 03:00 0–0
Marginal influence -9
Win
September 20, 2025 Gabriel Dos Santos Ribeiro
BRUSSELS KID (-16y) FBJJB OPEN 1 - Gi & NoGi 20.09.2025 BOY GI DIVISION (-16years old) / KID GI / KID (-16years old) / -43kg (cat 2 : 12-13-14-15)
Method Points 03:00 9–2
Marginal influence +7
Relevant matches
22.1
Official ranking percentile
Top 32%
Performance
0.5 pp above expectation

22.1 weighted matches against 19 different opponents across 7 events

Weighted win rate
52.0%
Expected win rate
51.5%
Average opponent rating
1,335
Repeated-opponent share
40.6%
Network connectivity
80.9%