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 1,297

Rating-period composition

Rating matches
12 0
Record
6–6 Previous month 6–6
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.

July 2026 No new matches Change 0 Rating 1,297

Rating-period composition

Rating matches
12 0
Record
6–6 Previous month 6–6
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.

June 2026 4 new matches · 2 left period Change +21 Rating 1,297

Rating-period composition

Rating matches
12 +2
Record
6–6 Previous month 5–5
Opponents
9 +1
Events
5 0

2 older matches left the 12-month period: 1 won and 1 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
Open Czech championship submission only 2026 NOGI - Kids girls 10-13y / -55 kg / Intermediate (2-4 years of training)
Method Submission 02:17 0–0
Marginal influence +5
Loss
June 20, 2026 Tereza Matějková
Open Czech championship submission only 2026 NOGI - Kids girls 10-13y / -55 kg / Intermediate (2-4 years of training)
Method Submission 00:54 0–0
Marginal influence -10
Loss
June 20, 2026 Patricie Pirklova
Open Czech championship submission only 2026 GI - Kids girls 10-13y / +55 kg / Grey belt
Method Submission 04:14 0–0
Marginal influence -16
Win
June 20, 2026 Barbora Řepková
Open Czech championship submission only 2026 GI - Kids girls 10-13y / +55 kg / Grey belt
Method Submission 02:27 0–0
Marginal influence +11
May 2026 No new matches · 2 left period Change +41 Rating 1,276

Rating-period composition

Rating matches
10 -2
Record
5–5 Previous month 5–7
Opponents
8 -2
Events
5 -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.

April 2026 No new matches Change +5 Rating 1,235

Rating-period composition

Rating matches
12 0
Record
5–7 Previous month 5–7
Opponents
10 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 +8 Rating 1,230

Rating-period composition

Rating matches
12 0
Record
5–7 Previous month 5–7
Opponents
10 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 2 new matches Change +50 Rating 1,222

Rating-period composition

Rating matches
12 +2
Record
5–7 Previous month 3–7
Opponents
10 0
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.
Win
February 21, 2026 Nela Cimflová
TATAMY 19: Czech Open Championship (kids) Kids / Gi / 13-14 years / Girls / White/grey belt / +55 kg
Method Disqualification 01:33 0–2
Marginal influence +24
Win
February 21, 2026 Barbora Řepková
TATAMY 19: Czech Open Championship (kids) Kids / Gi / 13-14 years / Girls / White/grey belt / +55 kg
Method Submission 02:00 4–0
Marginal influence +11
January 2026 No new matches Change -1 Rating 1,172

Rating-period composition

Rating matches
10 0
Record
3–7 Previous month 3–7
Opponents
10 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 3 new matches Change -39 Rating 1,173

Rating-period composition

Rating matches
10 +3
Record
3–7 Previous month 3–4
Opponents
10 +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.
Loss
December 6, 2025 Nela Cimflová
TATAMY 18 KIDS (No-GI and GI round robin) Kids / Gi / 13-14 years / Girls / White/grey belt / +55 kg
Method Submission 00:53 0–0
Marginal influence -8
Loss
December 6, 2025 Eliška Lenčéšová
TATAMY 18 KIDS (No-GI and GI round robin) Kids / Gi / 13-14 years / Girls / White/grey belt / +55 kg
Method Submission 03:36 0–8
Marginal influence -24
Loss
December 6, 2025 Patricie Wirthová
TATAMY 18 KIDS (No-GI and GI round robin) Kids / Gi / 13-14 years / Girls / White/grey belt / +55 kg
Method Submission 02:19 0–0
Marginal influence -14
November 2025 1 new match Change -15 Rating 1,212

Rating-period composition

Rating matches
7 +1
Record
3–4 Previous month 3–3
Opponents
7 +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.
Loss
November 1, 2025 Ema Sehořová
TATAMY 17 KIDS (No-GI and GI round robin) Kids / Gi / 10-12 years / Girls / White/grey belt / +50 kg
Method Points 04:00 0–10
Marginal influence -16
October 2025 No new matches Change +2 Rating 1,227

Rating-period composition

Rating matches
6 0
Record
3–3 Previous month 3–3
Opponents
6 0
Events
3 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 +77 Rating 1,225

Rating-period composition

Rating matches
6 +2
Record
3–3 Previous month 1–3
Opponents
6 +2
Events
3 +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 Barbora Řepková
TATAMY 16 KIDS (No-GI and GI round robin) Kids / Gi / 10-12 years / Girls / White/grey belt / +50 kg
Method Submission 01:23 0–0
Marginal influence +10
Win
September 20, 2025 Kateřina Szczypková
TATAMY 16 KIDS (No-GI and GI round robin) Kids / Gi / 10-12 years / Girls / White/grey belt / +50 kg
Method Submission 03:12 0–2
Marginal influence +18
Relevant matches
8.5
Official ranking percentile
Top 61%
Performance
5.0 pp below expectation

8.5 weighted matches against 9 different opponents across 5 events

Weighted win rate
45.4%
Expected win rate
50.4%
Average opponent rating
1,294
Repeated-opponent share
25.0%
Network connectivity
80.9%