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 · 5 left period Change -16 Rating 1,608

Rating-period composition

Rating matches
27 -5
Record
24–3 Previous month 28–4
Opponents
21 0
Events
7 -1

5 older matches left the 12-month period: 4 won and 1 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 · 1 left period Change +18 Rating 1,624

Rating-period composition

Rating matches
32 -1
Record
28–4 Previous month 28–5
Opponents
21 -1
Events
8 -1

1 older matches left the 12-month period: 0 won and 1 lost. The rating is then recalculated across the full network, so the monthly change is not a sum of separate deductions.

June 2026 3 new matches · 4 left period Change +1 Rating 1,606

Rating-period composition

Rating matches
33 -1
Record
28–5 Previous month 29–5
Opponents
22 -1
Events
9 -1

4 older matches left the 12-month period: 4 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
June 27, 2026 Aron Pyshchenko
WORLD CUP BJJ 2026 Kids Boys NO-GI / White-Grey / Mirim / -26,0 kg
Method Submission 01:28 0–2
Marginal influence +7
Win
June 27, 2026 Leo Caparros Menor
WORLD CUP BJJ 2026 Kids Boys GI / Grey / Mirim / -26,0 kg
Method Submission 00:08 0–0
Marginal influence +11
Win
June 27, 2026 Felix Larios Mora
WORLD CUP BJJ 2026 Kids Boys GI / Grey / Mirim / -26,0 kg
Method Submission 00:18 2–0
Marginal influence +6
May 2026 No new matches Change +2 Rating 1,605

Rating-period composition

Rating matches
34 0
Record
29–5 Previous month 29–5
Opponents
23 0
Events
10 0

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

April 2026 No new matches · 4 left period Change -26 Rating 1,603

Rating-period composition

Rating matches
34 -4
Record
29–5 Previous month 33–5
Opponents
23 -2
Events
10 -1

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

March 2026 9 new matches · 4 left period Change +67 Rating 1,629

Rating-period composition

Rating matches
38 +5
Record
33–5 Previous month 26–7
Opponents
25 +5
Events
11 +1

4 older matches left the 12-month period: 2 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.
Win
March 21, 2026 Alan Peiker
Zurich BJJ SPRING OPEN GI and NO-GI 2026 BOYS GI / Kids 2 / Grey / -26kg
Method Points 02:00 3–2
Marginal influence +7
Win
March 21, 2026 Reo Eberhardt
Zurich BJJ SPRING OPEN GI and NO-GI 2026 BOYS GI / Kids 2 / Grey / -26kg
Method Submission 00:36 2–0
Marginal influence +6
Win
March 21, 2026 Lazar Petrovic
Zurich BJJ SPRING OPEN GI and NO-GI 2026 BOYS GI / Kids 2 / Grey / -26kg
Method Submission 01:46 5–0
Marginal influence +5
Win
March 21, 2026 Tyson Rakestraw
Zurich BJJ SPRING OPEN GI and NO-GI 2026 BOYS GI / Kids 2 / Grey / -26kg
Method Submission 02:00 6–0
Marginal influence +5
Win
March 21, 2026 Elias Ricco
Zurich BJJ SPRING OPEN GI and NO-GI 2026 BOYS NOGI / Kids 2 / Grey / -26kg
Method Submission 00:47 6–0
Marginal influence +6
Win
March 21, 2026 Petru Candoi
Zurich BJJ SPRING OPEN GI and NO-GI 2026 BOYS NOGI / Kids 2 / Grey / -26kg
Method Submission 00:11 2–0
Marginal influence +4
Win
March 21, 2026 Lazar Petrovic
Zurich BJJ SPRING OPEN GI and NO-GI 2026 BOYS NOGI / Kids 2 / Grey / -26kg
Method Submission 00:31 2–0
Marginal influence +3
Win
March 1, 2026 Abdullah Hodza
ADCC Suisse National Championship 2026 BOYS / 5-6 years / -28 kg
Method Submission 01:39 0–0
Marginal influence +3
Win
March 1, 2026 Amaury Rück
ADCC Suisse National Championship 2026 BOYS / 5-6 years / -28 kg
Method Submission 00:29 0–0
Marginal influence +3
February 2026 No new matches Change +3 Rating 1,562

Rating-period composition

Rating matches
33 0
Record
26–7 Previous month 26–7
Opponents
20 0
Events
10 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 1,559

Rating-period composition

Rating matches
33 0
Record
26–7 Previous month 26–7
Opponents
20 0
Events
10 0

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

December 2025 9 new matches Change +38 Rating 1,560

Rating-period composition

Rating matches
33 +9
Record
26–7 Previous month 19–5
Opponents
20 +4
Events
10 +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
December 6, 2025 Youcef Merdas
Grappling Industries GENEVA No Gi Kids / Intermediate (Grey) / 6 - 7 years / -55 lbs
Method Submission 01:14 0–0
Marginal influence -9
Win
December 6, 2025 Dan Walters
Grappling Industries GENEVA No Gi Kids / Intermediate (Grey) / 6 - 7 years / -55 lbs
Method Submission 00:23 2–0
Marginal influence +1
Win
December 6, 2025 Yanis Bouchehitt
Grappling Industries GENEVA No Gi Kids / Intermediate (Grey) / 6 - 7 years / -55 lbs
Method Submission 02:50 12–0
Marginal influence +8
Win
December 6, 2025 Youcef Merdas
Grappling Industries GENEVA Gi Kids / Grey / 6 - 7 years / -55 lbs
Method Disqualification 01:26 2–0
Marginal influence +6
Win
December 6, 2025 Marlon Bronchain
Grappling Industries GENEVA Gi Kids / Grey / 6 - 7 years / -55 lbs
Method Submission 00:54 6–0
Marginal influence +11
Win
December 6, 2025 ASSIA BAHA
Grappling Industries GENEVA Gi Kids / Grey / 6 - 7 years / -55 lbs
Method Submission 00:44 6–0
Marginal influence +4
Win
December 6, 2025 Yanis Bouchehitt
Grappling Industries GENEVA Gi Kids / Grey / 6 - 7 years / -55 lbs
Method Submission 00:48 6–0
Marginal influence +6
Win
December 6, 2025 Youcef Merdas
Grappling Industries GENEVA No Gi Kids / Intermediate (Grey) / 6 - 7 years / -55 lbs
Method Points 03:00 10–2
Marginal influence +5
Loss
December 6, 2025 Youcef Merdas
Grappling Industries GENEVA Gi Kids / Grey / 6 - 7 years / -55 lbs
Method Submission 02:00 0–0
Marginal influence -11
November 2025 1 new match · 4 left period Change -19 Rating 1,522

Rating-period composition

Rating matches
24 -3
Record
19–5 Previous month 22–5
Opponents
16 -3
Events
9 -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.
Loss
November 23, 2025 Unknown opponent
ADCC Suisse Open Championship 2025 BOYS / 5-6 years / Beginner / -24 kg
Method Submission 00:34 0–0
Marginal influence -17
October 2025 No new matches Change +4 Rating 1,541

Rating-period composition

Rating matches
27 0
Record
22–5 Previous month 22–5
Opponents
19 0
Events
10 0

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

September 2025 5 new matches · 2 left period Change +23 Rating 1,537

Rating-period composition

Rating matches
27 +3
Record
22–5 Previous month 19–5
Opponents
19 +3
Events
10 +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
September 27, 2025 Elias Ricco
SWISS BRAZILIAN JIU JITSU & GRAPPLING TOURNAMENT Boys 2 (6-7 years) / Beginner / -24Kg
Method Points 05:00 13–0
Marginal influence +7
Win
September 27, 2025 Aaron Magrit
SWISS BRAZILIAN JIU JITSU & GRAPPLING TOURNAMENT Boys 2 (6-7 years) / Beginner / -24Kg
Method Submission 02:42 4–0
Marginal influence +8
Win
September 20, 2025 Elijah-Noel Oliveira
Züri Kids Cup 2025 Boys GI / Grey / Kids 2 (2019-2018) / 22.8kg-23.4kg
Method Points 02:00 4–0
Marginal influence +6
Win
September 20, 2025 Tristan Rauh
Züri Kids Cup 2025 Boys GI / Grey / Kids 2 (2019-2018) / 22.8kg-23.4kg
Method Submission 0–0
Marginal influence +5
Win
September 20, 2025 Marek Herma
Züri Kids Cup 2025 Boys NO-GI / Grey / Kids 2 (2019-2018) / 20kg-23kg
Method Submission 01:38 7–0
Marginal influence +3
Relevant matches
20.2
Official ranking percentile
Top 2%
Performance
16.3 pp above expectation

20.2 weighted matches against 21 different opponents across 7 events

Weighted win rate
91.0%
Expected win rate
74.7%
Average opponent rating
1,315
Repeated-opponent share
22.2%
Network connectivity
80.9%