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 -35 Rating 1,483

Rating-period composition

Rating matches
9 -2
Record
9–0 Previous month 11–0
Opponents
8 -1
Events
4 -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.

July 2026 3 new matches Change +31 Rating 1,518

Rating-period composition

Rating matches
11 +3
Record
11–0 Previous month 8–0
Opponents
9 +2
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 Girls Gi / Yellow-Grey / Combined / -28 kg
Method Submission 00:46 6–0
Marginal influence +11
Win
Kimura Cup Málaga 2026 Girls No-Gi / Orange / Infant / -36 Kg
Method Points 03:00 2–1
Marginal influence +6
Win
Kimura Cup Málaga 2026 Girls No-Gi / Yellow -Grey / Infant / -32kg
Method Submission 00:25 0–0
Marginal influence +4
June 2026 No new matches · 2 left period Change -27 Rating 1,487

Rating-period composition

Rating matches
8 -2
Record
8–0 Previous month 10–0
Opponents
7 -1
Events
4 -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.

May 2026 No new matches Change -1 Rating 1,514

Rating-period composition

Rating matches
10 0
Record
10–0 Previous month 10–0
Opponents
8 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.

April 2026 No new matches Change +1 Rating 1,515

Rating-period composition

Rating matches
10 0
Record
10–0 Previous month 10–0
Opponents
8 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.

March 2026 No new matches · 4 left period Change -44 Rating 1,514

Rating-period composition

Rating matches
10 -4
Record
10–0 Previous month 14–0
Opponents
8 -2
Events
5 -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.

February 2026 No new matches · 3 left period Change -6 Rating 1,558

Rating-period composition

Rating matches
14 -3
Record
14–0 Previous month 16–1
Opponents
10 -3
Events
6 -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.

January 2026 No new matches Change +1 Rating 1,564

Rating-period composition

Rating matches
17 0
Record
16–1 Previous month 16–1
Opponents
13 0
Events
7 0

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

December 2025 2 new matches · 4 left period Change -23 Rating 1,563

Rating-period composition

Rating matches
17 -2
Record
16–1 Previous month 18–1
Opponents
13 -2
Events
7 0

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
December 6, 2025 Vega Lobo Cervantes
SPAIN BJJ CUP GI & NO-GI 2025 Kids Girls NO-GI / Grey-Orange / Infantil B / -32,0 kg
Method Submission 00:21 0–0
Marginal influence +7
Win
SPAIN BJJ CUP GI & NO-GI 2025 Kids Girls GI / Grey / Infantil B / -32,0 kg
Method Submission 00:37 0–0
Marginal influence +21
November 2025 2 new matches Change +16 Rating 1,586

Rating-period composition

Rating matches
19 +2
Record
18–1 Previous month 16–1
Opponents
15 +2
Events
7 +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
November 30, 2025 Arya Peñuela Martin
MÁLAGA INTERNATIONAL CUP Girls Gi / Grey-White / 9-10 / -33,40 kg
Method Submission 02:15 0–0
Marginal influence +12
Win
MÁLAGA INTERNATIONAL CUP Girls Gi / Grey-White / 9-10 / -33,40 kg
Method Submission 02:46 0–0
Marginal influence +16
October 2025 2 new matches · 3 left period Change -8 Rating 1,570

Rating-period composition

Rating matches
17 -1
Record
16–1 Previous month 17–1
Opponents
13 -1
Events
6 0

3 older matches left the 12-month period: 3 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
October 4, 2025 Mia Aganon
KIMURA CUP SEVILLA 2025 Girls No-Gi / Grey-White / Infant / -28 kg
Method Submission 00:08 0–0
Marginal influence +5
Win
October 4, 2025 Irene Navas Avilés
KIMURA CUP SEVILLA 2025 Girls Gi / Grey / Infant / -28 kg
Method Points 03:00 5–0
Marginal influence +15
September 2025 No new matches Change -1 Rating 1,578

Rating-period composition

Rating matches
18 0
Record
17–1 Previous month 17–1
Opponents
14 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.

Relevant matches
7.8
Official ranking percentile
Top 10%
Performance
33.8 pp above expectation

7.8 weighted matches against 8 different opponents across 4 events

Weighted win rate
100.0%
Expected win rate
66.2%
Average opponent rating
1,238
Repeated-opponent share
11.1%
Network connectivity
80.9%