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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 1,445

Rating-period composition

Rating matches
15 0
Record
11–4 Previous month 11–4
Opponents
14 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 1,445

Rating-period composition

Rating matches
15 0
Record
11–4 Previous month 11–4
Opponents
14 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 2 new matches · 2 left period Change -51 Rating 1,445

Rating-period composition

Rating matches
15 0
Record
11–4 Previous month 13–2
Opponents
14 +1
Events
5 0

2 older matches left the 12-month period: 2 won and 0 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 Dmytro Korniichuk
Open Czech championship submission only 2026 GI - Juniors Boys / -70 kg / Blue belt
Method Submission 03:45 0–0
Marginal influence -23
Loss
June 20, 2026 František Krystl
Open Czech championship submission only 2026 GI - Juniors Boys / -70 kg / Blue belt
Method Submission 02:52 0–0
Marginal influence -23
May 2026 1 new match Change +5 Rating 1,496

Rating-period composition

Rating matches
15 +1
Record
13–2 Previous month 12–2
Opponents
13 +1
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
May 2, 2026 Unknown opponent
ADCC CZECH OPEN CHAMPIONSHIP 2026 Boys 13-14 years / Beginner / +65kg
Method Submission 03:36 5–0
Marginal influence +10
April 2026 No new matches · 2 left period Change +11 Rating 1,491

Rating-period composition

Rating matches
14 -2
Record
12–2 Previous month 13–3
Opponents
12 -2
Events
4 -1

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.

March 2026 No new matches Change +2 Rating 1,480

Rating-period composition

Rating matches
16 0
Record
13–3 Previous month 13–3
Opponents
14 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.

February 2026 2 new matches · 3 left period Change +18 Rating 1,478

Rating-period composition

Rating matches
16 -1
Record
13–3 Previous month 13–4
Opponents
14 -1
Events
5 0

3 older matches left the 12-month period: 2 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
February 21, 2026 Matyáš Fröhlich
TATAMY 19: Czech Open Championship (kids) Kids / Gi / 13-14 years / Boys / Yellow/orange/green belt / +65 kg
Method Submission 00:29 0–0
Marginal influence +11
Win
February 21, 2026 Richard Byrtus
TATAMY 19: Czech Open Championship (kids) Kids / Gi / 13-14 years / Boys / Yellow/orange/green belt / +65 kg
Method Submission 01:28 6–0
Marginal influence +20
January 2026 No new matches Change 0 Rating 1,460

Rating-period composition

Rating matches
17 0
Record
13–4 Previous month 13–4
Opponents
15 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 2 new matches · 4 left period Change +34 Rating 1,460

Rating-period composition

Rating matches
17 -2
Record
13–4 Previous month 13–6
Opponents
15 -1
Events
5 0

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.

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 6, 2025 Tomas Krejci
TATAMY 18 KIDS (No-GI and GI round robin) Kids / Gi / 13-14 years / Boys / Yellow/orange/green belt / -65 kg
Method Submission 01:21 0–0
Marginal influence +10
Win
December 6, 2025 Alex Kukumberg
TATAMY 18 KIDS (No-GI and GI round robin) Kids / Gi / 13-14 years / Boys / Yellow/orange/green belt / -65 kg
Method Points 04:00 3–0
Marginal influence +15
November 2025 No new matches Change -2 Rating 1,426

Rating-period composition

Rating matches
19 0
Record
13–6 Previous month 13–6
Opponents
16 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.

October 2025 No new matches Change +2 Rating 1,428

Rating-period composition

Rating matches
19 0
Record
13–6 Previous month 13–6
Opponents
16 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.

September 2025 8 new matches Change +55 Rating 1,426

Rating-period composition

Rating matches
19 +8
Record
13–6 Previous month 7–4
Opponents
16 +6
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
September 20, 2025 Dominik Kučera
TATAMY 16 KIDS (No-GI and GI round robin) Kids / No Gi / 13-14 years / Boys / Beginner / -65 kg
Method Submission 02:13 0–0
Marginal influence +3
Loss
September 20, 2025 Josef Hanzlíček
TATAMY 16 KIDS (No-GI and GI round robin) Kids / No Gi / 13-14 years / Boys / Beginner / -65 kg
Method Decision 04:00 0–0
Marginal influence -11
Win
September 20, 2025 David Okenica
TATAMY 16 KIDS (No-GI and GI round robin) Kids / No Gi / 13-14 years / Boys / Beginner / -65 kg
Method Submission 02:55 0–0
Marginal influence +1
Loss
September 20, 2025 Lucas Parajňák
TATAMY 16 KIDS (No-GI and GI round robin) Kids / No Gi / 13-14 years / Boys / Beginner / -65 kg
Method Submission 03:53 0–2
Marginal influence -11
Win
September 20, 2025 David Okenica
TATAMY 16 KIDS (No-GI and GI round robin) Kids / Gi / 13-14 years / Boys / White/grey belt / -65 kg
Method Submission 00:44 0–0
Marginal influence +9
Win
September 20, 2025 Oliver Krajíček
TATAMY 16 KIDS (No-GI and GI round robin) Kids / Gi / 13-14 years / Boys / White/grey belt / -65 kg
Method Submission 00:17 0–0
Marginal influence +7
Win
September 20, 2025 Jiří Priesol
TATAMY 16 KIDS (No-GI and GI round robin) Kids / Gi / 13-14 years / Boys / White/grey belt / -65 kg
Method Submission 00:07 0–0
Marginal influence +10
Win
September 20, 2025 Konrad Groß
TATAMY 16 KIDS (No-GI and GI round robin) Kids / Gi / 13-14 years / Boys / White/grey belt / -65 kg
Method Submission 03:46 0–0
Marginal influence +16
Relevant matches
11.7
Official ranking percentile
Top 17%
Performance
19.5 pp above expectation

11.7 weighted matches against 14 different opponents across 5 events

Weighted win rate
74.1%
Expected win rate
54.6%
Average opponent rating
1,263
Repeated-opponent share
6.7%
Network connectivity
80.9%