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 · 2 left period Change +20 Rating 1,446

Rating-period composition

Rating matches
11 -2
Record
9–2 Previous month 9–4
Opponents
7 -1
Events
3 -1

2 older matches left the 12-month period: 0 won and 2 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 +2 Rating 1,426

Rating-period composition

Rating matches
13 0
Record
9–4 Previous month 9–4
Opponents
8 0
Events
4 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 -8 Rating 1,424

Rating-period composition

Rating matches
13 0
Record
9–4 Previous month 9–4
Opponents
8 0
Events
4 0

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

May 2026 4 new matches Change +74 Rating 1,432

Rating-period composition

Rating matches
13 +4
Record
9–4 Previous month 5–4
Opponents
8 +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.
Win
May 23, 2026 Luca Rielle
Grappling Industries GENEVA Gi Kids / 14 - 15 years (Male) / White / -155 lbs
Method Submission 00:48 10–0
Marginal influence +11
Win
May 23, 2026 Yliess DOS SANTOS
Grappling Industries GENEVA Gi Kids / 14 - 15 years (Male) / White / -155 lbs
Method Decision 04:00 0–0
Marginal influence +27
Win
May 23, 2026 Caue Barbosa
Grappling Industries GENEVA Gi Kids / 14 - 15 years (Male) / White / -155 lbs
Method Submission 01:29 6–0
Marginal influence +14
Win
May 23, 2026 Linus Gauss
Grappling Industries GENEVA Gi Kids / 14 - 15 years (Male) / White / -155 lbs
Method Submission 02:13 12–0
Marginal influence +17
April 2026 No new matches · 1 left period Change -27 Rating 1,358

Rating-period composition

Rating matches
9 -1
Record
5–4 Previous month 6–4
Opponents
4 -1
Events
3 -1

1 older matches left the 12-month period: 1 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 No new matches · 1 left period Change -22 Rating 1,385

Rating-period composition

Rating matches
10 -1
Record
6–4 Previous month 7–4
Opponents
5 -1
Events
4 -1

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

February 2026 No new matches Change +5 Rating 1,407

Rating-period composition

Rating matches
11 0
Record
7–4 Previous month 7–4
Opponents
6 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.

January 2026 No new matches Change 0 Rating 1,402

Rating-period composition

Rating matches
11 0
Record
7–4 Previous month 7–4
Opponents
6 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 -2 Rating 1,402

Rating-period composition

Rating matches
11 0
Record
7–4 Previous month 7–4
Opponents
6 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 2 new matches · 2 left period Change -17 Rating 1,404

Rating-period composition

Rating matches
11 0
Record
7–4 Previous month 8–3
Opponents
6 +1
Events
5 0

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.
Loss
November 23, 2025 Alessio De Maio
ADCC Suisse Open Championship 2025 BOYS / 13-14 years / Beginner / -65 kg
Method Submission 04:35 0–0
Marginal influence -23
Win
ADCC Suisse Open Championship 2025 BOYS / 13-14 years / Beginner / -65 kg
Method Points 05:00 3–0
Marginal influence +10
October 2025 5 new matches Change +74 Rating 1,421

Rating-period composition

Rating matches
11 +5
Record
8–3 Previous month 4–2
Opponents
5 +1
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.
Win
October 4, 2025 Alex Wagner
NAGA Europe Grappling Championship Children Gi (Male) / Beginner / 60 - 64.9 / 12-13 years
Method Points 03:00 14–0
Marginal influence +12
Win
October 4, 2025 Alex Wagner
NAGA Europe Grappling Championship Children Gi (Male) / Beginner / 60 - 64.9 / 12-13 years
Method Submission 01:05 2–0
Marginal influence +12
Win
October 4, 2025 Alex Wagner
NAGA Europe Grappling Championship Children No-Gi (Male) / Beginner / 60 - 64.9 / 12-13 years
Method Points 0–0
Marginal influence +5
Win
October 4, 2025 Alex Wagner
NAGA Europe Grappling Championship Children No-Gi (Male) / Beginner / 60 - 64.9 / 12-13 years
Method Points 0–0
Marginal influence +5
Loss
October 4, 2025 Alex Wagner
NAGA Europe Grappling Championship Children No-Gi (Male) / Beginner / 60 - 64.9 / 12-13 years
Method Points 0–0
Marginal influence -13
September 2025 No new matches Change 0 Rating 1,347

Rating-period composition

Rating matches
6 0
Record
4–2 Previous month 4–2
Opponents
4 0
Events
4 0

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

Relevant matches
7
Official ranking percentile
Top 16%
Performance
32.7 pp above expectation

7 weighted matches against 7 different opponents across 3 events

Weighted win rate
81.8%
Expected win rate
49.0%
Average opponent rating
1,349
Repeated-opponent share
36.4%
Network connectivity
80.9%