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 Change -3 Rating 1,395

Rating-period composition

Rating matches
5 0
Record
5–0 Previous month 5–0
Opponents
3 0
Events
2 0

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

July 2026 No new matches Change -2 Rating 1,398

Rating-period composition

Rating matches
5 0
Record
5–0 Previous month 5–0
Opponents
3 0
Events
2 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 · 3 left period Change -61 Rating 1,400

Rating-period composition

Rating matches
5 -3
Record
5–0 Previous month 8–0
Opponents
3 -2
Events
2 -1

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.

May 2026 No new matches · 4 left period Change -22 Rating 1,461

Rating-period composition

Rating matches
8 -4
Record
8–0 Previous month 10–2
Opponents
5 -4
Events
3 -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.

April 2026 2 new matches Change +11 Rating 1,483

Rating-period composition

Rating matches
12 +2
Record
10–2 Previous month 8–2
Opponents
9 +1
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
OPEN SANTURTZI | OSO DURO Boys Gi / Yellow / Junior III (12yrs) / -36,30 kg
Method Submission 02:12 0–0
Marginal influence +7
Win
OPEN SANTURTZI | OSO DURO Boys Gi / Yellow / Junior III (12yrs) / -36,30 kg
Method Submission 01:56 7–0
Marginal influence +7
March 2026 No new matches · 5 left period Change -14 Rating 1,472

Rating-period composition

Rating matches
10 -5
Record
8–2 Previous month 12–3
Opponents
8 -4
Events
3 -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.

February 2026 3 new matches Change +68 Rating 1,486

Rating-period composition

Rating matches
15 +3
Record
12–3 Previous month 9–3
Opponents
12 +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 MADRID 2026 Boys Gi / Yellow / Infant / -38 Kg
Method Points 03:00 1–0
Marginal influence +22
Win
KIMURA CUP MADRID 2026 Boys No-Gi / Yellow / Junior / -38 Kg
Method Points 4–0
Marginal influence +13
Win
February 1, 2026 Tamerlan Piven
KIMURA CUP MADRID 2026 Boys No-Gi / Yellow / Junior / -38 Kg
Method Points 1–0
Marginal influence +12
January 2026 No new matches Change +1 Rating 1,418

Rating-period composition

Rating matches
12 0
Record
9–3 Previous month 9–3
Opponents
10 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.

December 2025 No new matches Change -1 Rating 1,417

Rating-period composition

Rating matches
12 0
Record
9–3 Previous month 9–3
Opponents
10 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.

November 2025 No new matches Change -17 Rating 1,418

Rating-period composition

Rating matches
12 0
Record
9–3 Previous month 9–3
Opponents
10 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.

October 2025 No new matches · 1 left period Change -3 Rating 1,435

Rating-period composition

Rating matches
12 -1
Record
9–3 Previous month 10–3
Opponents
10 0
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.

September 2025 No new matches · 1 left period Change -8 Rating 1,438

Rating-period composition

Rating matches
13 -1
Record
10–3 Previous month 11–3
Opponents
10 0
Events
5 -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.

Relevant matches
3.9
Official ranking percentile
Top 29%
Performance
-

3.9 weighted matches against 3 different opponents across 2 events

Weighted win rate
-
Expected win rate
-
Average opponent rating
1,331
Repeated-opponent share
40.0%
Network connectivity
80.9%