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Calculation details

Rating breakdown for the past 12 months

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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 1,217

Rating-period composition

Rating matches
9 0
Record
2–7 Previous month 2–7
Opponents
8 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 1,217

Rating-period composition

Rating matches
9 0
Record
2–7 Previous month 2–7
Opponents
8 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 4 new matches · 4 left period Change +28 Rating 1,217

Rating-period composition

Rating matches
9 0
Record
2–7 Previous month 1–8
Opponents
8 +1
Events
4 0

4 older matches left the 12-month period: 0 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
June 20, 2026 Michal Chuda
Open Czech championship submission only 2026 NOGI - Kids boys 10-13y / -36 kg / Beginner (<2 years of training)
Method Submission 00:30 0–0
Marginal influence -28
Loss
June 20, 2026 Unknown opponent
Open Czech championship submission only 2026 NOGI - Kids boys 10-13y / -36 kg / Beginner (<2 years of training)
Method Submission 00:53 0–0
Marginal influence -12
Loss
June 20, 2026 Michael Goroĺ Dudy
Open Czech championship submission only 2026 GI - Kids boys 10-13y / -36 kg / White belt
Method Submission 00:34 0–0
Marginal influence -6
Win
June 20, 2026 Vojtěch Hozák
Open Czech championship submission only 2026 GI - Kids boys 10-13y / -36 kg / White belt
Method Decision 05:00 0–0
Marginal influence +24
May 2026 3 new matches · 6 left period Change -31 Rating 1,189

Rating-period composition

Rating matches
9 -3
Record
1–8 Previous month 2–10
Opponents
7 -2
Events
4 +1

6 older matches left the 12-month period: 1 won and 5 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
May 2, 2026 Vojtěch Šatava
ADCC CZECH OPEN CHAMPIONSHIP 2026 Kids Mix 9-10 years / Beginner / -32Kg
Method Submission 02:03 0–2
Marginal influence -13
Loss
May 2, 2026 Jiri Antos
Valachien Challenge Gi 2026 Kids Mix 9-10 years / All belts / -32Kg
Method Points 03:00 0–6
Marginal influence -17
Loss
May 2, 2026 Vojtěch Šatava
Valachien Challenge Gi 2026 Kids Mix 9-10 years / All belts / -32Kg
Method Submission 01:38 0–12
Marginal influence -2
April 2026 No new matches · 4 left period Change +30 Rating 1,220

Rating-period composition

Rating matches
12 -4
Record
2–10 Previous month 2–14
Opponents
9 -3
Events
3 -2

4 older matches left the 12-month period: 0 won and 4 lost. The rating is then recalculated across the full network, so the monthly change is not a sum of separate deductions.

March 2026 No new matches · 6 left period Change +23 Rating 1,190

Rating-period composition

Rating matches
16 -6
Record
2–14 Previous month 2–20
Opponents
12 -4
Events
5 -1

6 older matches left the 12-month period: 0 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 +2 Rating 1,167

Rating-period composition

Rating matches
22 0
Record
2–20 Previous month 2–20
Opponents
16 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.

January 2026 No new matches Change 0 Rating 1,165

Rating-period composition

Rating matches
22 0
Record
2–20 Previous month 2–20
Opponents
16 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.

December 2025 No new matches · 6 left period Change +23 Rating 1,165

Rating-period composition

Rating matches
22 -6
Record
2–20 Previous month 2–26
Opponents
16 -2
Events
6 -1

6 older matches left the 12-month period: 0 won and 6 lost. The rating is then recalculated across the full network, so the monthly change is not a sum of separate deductions.

November 2025 2 new matches Change +20 Rating 1,142

Rating-period composition

Rating matches
28 +2
Record
2–26 Previous month 1–25
Opponents
18 +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.
Loss
November 23, 2025 Mahulena Pirklová
ADCC Czech National Championship 2025 Boys Junior / 9-10 years / Beginner / -32 kg
Method Submission 00:16 0–0
Marginal influence -17
Win
November 23, 2025 Filip Kupka
ADCC Czech National Championship 2025 Boys Junior / 9-10 years / Beginner / -32 kg
Method Submission 01:45 0–0
Marginal influence +18
October 2025 No new matches · 2 left period Change +4 Rating 1,122

Rating-period composition

Rating matches
26 -2
Record
1–25 Previous month 1–27
Opponents
16 -1
Events
6 -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.

September 2025 No new matches Change +1 Rating 1,118

Rating-period composition

Rating matches
28 0
Record
1–27 Previous month 1–27
Opponents
17 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.

Relevant matches
7.7
Official ranking percentile
Top 84%
Performance
17.8 pp below expectation

7.7 weighted matches against 8 different opponents across 4 events

Weighted win rate
21.8%
Expected win rate
39.6%
Average opponent rating
1,338
Repeated-opponent share
11.1%
Network connectivity
80.9%