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 Change 0 Rating 1,298

Rating-period composition

Rating matches
8 0
Record
4–4 Previous month 4–4
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 0 Rating 1,298

Rating-period composition

Rating matches
8 0
Record
4–4 Previous month 4–4
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 Change -1 Rating 1,298

Rating-period composition

Rating matches
8 0
Record
4–4 Previous month 4–4
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.

May 2026 No new matches Change +1 Rating 1,299

Rating-period composition

Rating matches
8 0
Record
4–4 Previous month 4–4
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.

April 2026 4 new matches Change +27 Rating 1,298

Rating-period composition

Rating matches
8 +4
Record
4–4 Previous month 2–2
Opponents
3 +2
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
April 12, 2026 Ema Šerclová
CFS 13 CZECH CHAMPIONSHIP ČSAKJ 2026 Grappling NoGi / U12 Děti dívky / -45 kg
Method Points 02:00 8–0
Marginal influence +19
Win
April 12, 2026 Valerie Kubalíková
CFS 13 CZECH CHAMPIONSHIP ČSAKJ 2026 Grappling NoGi / U12 Děti dívky / -45 kg
Method Points 02:00 7–0
Marginal influence +21
Loss
April 12, 2026 Ema Šerclová
CFS 13 CZECH CHAMPIONSHIP ČSAKJ 2026 Grappling Gi / U12 Děti dívky / -45 kg
Method Submission 00:43 0–4
Marginal influence -13
Loss
CFS 13 CZECH CHAMPIONSHIP ČSAKJ 2026 Grappling Gi / U12 Děti dívky / -45 kg
Method Points 02:00 0–2
Marginal influence -26
March 2026 No new matches · 7 left period Change +24 Rating 1,271

Rating-period composition

Rating matches
4 -7
Record
2–2 Previous month 3–8
Opponents
1 -4
Events
1 -1

7 older matches left the 12-month period: 1 won and 6 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 Change +3 Rating 1,247

Rating-period composition

Rating matches
11 0
Record
3–8 Previous month 3–8
Opponents
5 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.

January 2026 No new matches Change 0 Rating 1,244

Rating-period composition

Rating matches
11 0
Record
3–8 Previous month 3–8
Opponents
5 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.

December 2025 No new matches Change 0 Rating 1,244

Rating-period composition

Rating matches
11 0
Record
3–8 Previous month 3–8
Opponents
5 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.

November 2025 No new matches Change -8 Rating 1,244

Rating-period composition

Rating matches
11 0
Record
3–8 Previous month 3–8
Opponents
5 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.

October 2025 4 new matches · 3 left period Change +41 Rating 1,252

Rating-period composition

Rating matches
11 +1
Record
3–8 Previous month 2–8
Opponents
5 -2
Events
2 0

3 older matches left the 12-month period: 1 won and 2 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
October 18, 2025 Ema Šerclová
CZECH FIGHTING SERIES 11, Samurai Cup 2025 Grappling NoGi / U12 Děti dívky / -40 kg
Method Points 02:00 0–0
Marginal influence -9
Loss
October 18, 2025 Ema Šerclová
CZECH FIGHTING SERIES 11, Samurai Cup 2025 Grappling NoGi / U12 Děti dívky / -40 kg
Method Submission 00:28 0–0
Marginal influence -9
Win
October 18, 2025 Ema Šerclová
CZECH FIGHTING SERIES 11, Samurai Cup 2025 Grappling Gi / U12 Děti dívky / -40 kg
Method Points 02:00 6–0
Marginal influence +8
Win
October 18, 2025 Ema Šerclová
CZECH FIGHTING SERIES 11, Samurai Cup 2025 Grappling Gi / U12 Děti dívky / -40 kg
Method Points 01:29 6–4
Marginal influence +8
September 2025 No new matches Change 0 Rating 1,211

Rating-period composition

Rating matches
10 0
Record
2–8 Previous month 2–8
Opponents
7 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.

Relevant matches
4.6
Official ranking percentile
Top 61%
Performance
-

4.6 weighted matches against 3 different opponents across 2 events

Weighted win rate
-
Expected win rate
-
Average opponent rating
1,269
Repeated-opponent share
62.5%
Network connectivity
80.9%