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 · 3 left period Change -9 Rating 1,484

Rating-period composition

Rating matches
12 -3
Record
10–2 Previous month 12–3
Opponents
9 -2
Events
4 -1

3 older matches left the 12-month period: 2 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 2 new matches Change +18 Rating 1,493

Rating-period composition

Rating matches
15 +2
Record
12–3 Previous month 10–3
Opponents
11 +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
Kimura Cup Málaga 2026 Boys No-Gi / Grey / Junior / -50 kg
Method Submission 01:30 7–0
Marginal influence +12
Win
Kimura Cup Málaga 2026 Boys No-Gi / Grey / Junior / -50 kg
Method Submission 01:36 9–0
Marginal influence +10
June 2026 No new matches · 5 left period Change -31 Rating 1,475

Rating-period composition

Rating matches
13 -5
Record
10–3 Previous month 14–4
Opponents
10 -2
Events
4 -2

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.

May 2026 No new matches Change -8 Rating 1,506

Rating-period composition

Rating matches
18 0
Record
14–4 Previous month 14–4
Opponents
12 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.

April 2026 No new matches Change -3 Rating 1,514

Rating-period composition

Rating matches
18 0
Record
14–4 Previous month 14–4
Opponents
12 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.

March 2026 No new matches Change +3 Rating 1,517

Rating-period composition

Rating matches
18 0
Record
14–4 Previous month 14–4
Opponents
12 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.

February 2026 3 new matches Change +9 Rating 1,514

Rating-period composition

Rating matches
18 +3
Record
14–4 Previous month 12–3
Opponents
12 +3
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.
Loss
February 1, 2026 Juan Iznaola
KIMURA CUP MADRID 2026 Boys Gi / Grey / Junior / -50 kg
Method Points 03:00 0–11
Marginal influence -20
Win
February 1, 2026 Marcos Cañada Pérez
KIMURA CUP MADRID 2026 Boys Gi / Grey / Junior / -50 kg
Method Submission 01:39 5–0
Marginal influence +7
January 2026 No new matches Change 0 Rating 1,505

Rating-period composition

Rating matches
15 0
Record
12–3 Previous month 12–3
Opponents
9 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 · 4 left period Change -23 Rating 1,505

Rating-period composition

Rating matches
15 -4
Record
12–3 Previous month 15–4
Opponents
9 -1
Events
5 -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.

November 2025 3 new matches Change +13 Rating 1,528

Rating-period composition

Rating matches
19 +3
Record
15–4 Previous month 13–3
Opponents
10 +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.
Loss
November 30, 2025 Nikolai Gaiduchenko
MÁLAGA INTERNATIONAL CUP Boys NOGI / Grey / Junior III (12yrs) / -45.40 kg
Method Submission 0–6
Marginal influence -11
Win
November 30, 2025 Артур Slieptsov
MÁLAGA INTERNATIONAL CUP Boys NOGI / Grey / Junior III (12yrs) / -45.40 kg
Method Submission 0–0
Marginal influence +10
Win
November 30, 2025 Nahid Surieux-Zaia
MÁLAGA INTERNATIONAL CUP Boys Gi / Grey / Junior II (11yrs) / -48,40 kg
Method Submission 01:27 6–0
Marginal influence +7
October 2025 4 new matches Change +72 Rating 1,515

Rating-period composition

Rating matches
16 +4
Record
13–3 Previous month 9–3
Opponents
8 +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.
Win
KIMURA CUP SEVILLA 2025 Boys Gi / Grey / Junior / -46 kg
Method Submission 05:00 9–0
Marginal influence +13
Win
KIMURA CUP SEVILLA 2025 Boys Gi / Grey / Junior / -46 kg
Method Submission 02:25 6–0
Marginal influence +9
Win
KIMURA CUP SEVILLA 2025 Boys No-Gi / Grey / Junior / -45 kg
Method Disqualification 0–0
Marginal influence +12
Win
October 4, 2025 Nikolai Gaiduchenko
KIMURA CUP SEVILLA 2025 Boys No-Gi / Grey / Junior / -45 kg
Method Points 03:00 5–0
Marginal influence +12
September 2025 No new matches Change -1 Rating 1,443

Rating-period composition

Rating matches
12 0
Record
9–3 Previous month 9–3
Opponents
5 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
9.3
Official ranking percentile
Top 10%
Performance
26.6 pp above expectation

9.3 weighted matches against 9 different opponents across 4 events

Weighted win rate
85.8%
Expected win rate
59.2%
Average opponent rating
1,301
Repeated-opponent share
25.0%
Network connectivity
80.9%