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 0 Rating 1,456

Rating-period composition

Rating matches
11 0
Record
9–2 Previous month 9–2
Opponents
9 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.

July 2026 No new matches Change 0 Rating 1,456

Rating-period composition

Rating matches
11 0
Record
9–2 Previous month 9–2
Opponents
9 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 +13 Rating 1,456

Rating-period composition

Rating matches
11 0
Record
9–2 Previous month 9–2
Opponents
9 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 No new matches Change -7 Rating 1,443

Rating-period composition

Rating matches
11 0
Record
9–2 Previous month 9–2
Opponents
9 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.

April 2026 No new matches Change +8 Rating 1,450

Rating-period composition

Rating matches
11 0
Record
9–2 Previous month 9–2
Opponents
9 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.

March 2026 No new matches Change +4 Rating 1,442

Rating-period composition

Rating matches
11 0
Record
9–2 Previous month 9–2
Opponents
9 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.

February 2026 No new matches Change -2 Rating 1,438

Rating-period composition

Rating matches
11 0
Record
9–2 Previous month 9–2
Opponents
9 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.

January 2026 No new matches Change 0 Rating 1,440

Rating-period composition

Rating matches
11 0
Record
9–2 Previous month 9–2
Opponents
9 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 8 new matches Change +197 Rating 1,440

Rating-period composition

Rating matches
11 +8
Record
9–2 Previous month 2–1
Opponents
9 +7
Events
4 +2

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 20, 2025 Tomáš Rémiš
XIII. GrappleXmas BJJ Cup Boys No-Gi / All belt / Teen (14-15yrs) / +65 kg (2010,2011)
Method Points 04:00 10–2
Marginal influence +12
Win
December 20, 2025 Unknown opponent
XIII. GrappleXmas BJJ Cup Boys No-Gi / All belt / Teen (14-15yrs) / +65 kg (2010,2011)
Method Submission 02:58 8–4
Marginal influence +18
Loss
December 20, 2025 Radim Rémiš
XIII. GrappleXmas BJJ Cup Boys No-Gi / All belt / Teen (14-15yrs) / +65 kg (2010,2011)
Method Submission 01:11 0–6
Marginal influence -19
Win
December 20, 2025 Filip Zátopek
XIII. GrappleXmas BJJ Cup Boys Gi / Yellow orange green / Teen (14-15yrs) / +65 kg (2010,2011)
Method Submission 01:43 0–0
Marginal influence +8
Win
December 20, 2025 Unknown opponent
XIII. GrappleXmas BJJ Cup Boys Gi / Yellow orange green / Teen (14-15yrs) / +65 kg (2010,2011)
Method Submission 01:57 9–0
Marginal influence +8
Win
December 20, 2025 Unknown opponent
XIII. GrappleXmas BJJ Cup Boys Gi / Yellow orange green / Teen (14-15yrs) / +65 kg (2010,2011)
Method Submission 01:59 0–0
Marginal influence +14
Win
December 6, 2025 Levko Opath
TATAMY 18 KIDS (No-GI and GI round robin) Kids / No Gi / 13-14 years / Boys / Intermediate / +65 kg
Method Submission 01:16 0–0
Marginal influence +15
Win
December 6, 2025 Konrad Groß
TATAMY 18 KIDS (No-GI and GI round robin) Kids / No Gi / 13-14 years / Boys / Intermediate / +65 kg
Method Points 04:00 10–0
Marginal influence +14
November 2025 1 new match · 7 left period Change -84 Rating 1,243

Rating-period composition

Rating matches
3 -6
Record
2–1 Previous month 5–4
Opponents
2 -4
Events
2 0

7 older matches left the 12-month period: 3 won and 4 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 Magomed Zakaev
ADCC Suisse Open Championship 2025 BOYS / 15-17 years / Intermediate / -75 kg
Method Submission 02:16 0–0
Marginal influence -21
October 2025 No new matches Change 0 Rating 1,327

Rating-period composition

Rating matches
9 0
Record
5–4 Previous month 5–4
Opponents
6 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.

September 2025 2 new matches Change +27 Rating 1,327

Rating-period composition

Rating matches
9 +2
Record
5–4 Previous month 3–4
Opponents
6 +1
Events
2 +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
September 20, 2025 Levko Opáth
TATAMY 16 KIDS (No-GI and GI round robin) Kids / No Gi / 13-14 years / Boys / Intermediate / +65 kg
Method Submission 02:13 0–0
Marginal influence +8
Win
September 20, 2025 Levko Opáth
TATAMY 16 KIDS (No-GI and GI round robin) Kids / No Gi / 13-14 years / Boys / Intermediate / +65 kg
Method Submission 01:08 0–0
Marginal influence +8
Relevant matches
8.4
Official ranking percentile
Top 14%
Performance
28.4 pp above expectation

8.4 weighted matches against 9 different opponents across 4 events

Weighted win rate
80.5%
Expected win rate
52.2%
Average opponent rating
1,341
Repeated-opponent share
18.2%
Network connectivity
80.9%