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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 1,500

Rating-period composition

Rating matches
22 0
Record
15–7 Previous month 15–7
Opponents
14 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.

July 2026 No new matches Change 0 Rating 1,500

Rating-period composition

Rating matches
22 0
Record
15–7 Previous month 15–7
Opponents
14 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.

June 2026 6 new matches · 4 left period Change +61 Rating 1,500

Rating-period composition

Rating matches
22 +2
Record
15–7 Previous month 12–8
Opponents
14 -2
Events
7 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 Unknown opponent
Open Czech championship submission only 2026 NOGI - Kids boys 10-13y / -50 kg / Intermediate (2-4 years of training)
Method Submission 03:22 0–0
Marginal influence -8
Loss
June 20, 2026 Unknown opponent
Open Czech championship submission only 2026 NOGI - Kids boys 10-13y / -50 kg / Intermediate (2-4 years of training)
Method Submission 01:37 0–0
Marginal influence -8
Win
June 20, 2026 Unknown opponent
Open Czech championship submission only 2026 NOGI - Kids boys 10-13y / -50 kg / Intermediate (2-4 years of training)
Method Decision 03:28 0–0
Marginal influence +3
Win
June 20, 2026 Unknown opponent
Open Czech championship submission only 2026 GI - Kids boys 10-13y / -50 kg / Yellow belt
Method Submission 01:46 0–0
Marginal influence +10
Loss
June 20, 2026 Unknown opponent
Open Czech championship submission only 2026 GI - Kids boys 10-13y / -50 kg / Yellow belt
Method Submission 01:13 0–0
Marginal influence -8
Win
June 20, 2026 Unknown opponent
Open Czech championship submission only 2026 GI - Kids boys 10-13y / -50 kg / Yellow belt
Method Submission 00:47 0–0
Marginal influence +10
May 2026 5 new matches · 13 left period Change +63 Rating 1,439

Rating-period composition

Rating matches
20 -8
Record
12–8 Previous month 13–15
Opponents
16 -6
Events
7 -1

13 older matches left the 12-month period: 6 won and 7 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
May 23, 2026 Noel Giogiakas
NAGA Germany Grappling Championship Children Gi (Male) / Intermediate / 45 - 49.9 / 10-11 years
Method Submission 00:44 0–0
Marginal influence +14
Win
NAGA Germany Grappling Championship Children Gi (Male) / Intermediate / 45 - 49.9 / 10-11 years
Method Points 03:00 15–2
Marginal influence +16
Win
May 23, 2026 Kai'den Bijnen
NAGA Germany Grappling Championship Children No-Gi (Male) / Intermediate / 45 - 49.9 / 10-11 years
Method Submission 01:17 3–2
Marginal influence +11
Win
NAGA Germany Grappling Championship Children No-Gi (Male) / Intermediate / 45 - 49.9 / 10-11 years
Method Submission 00:33 2–0
Marginal influence +10
Win
May 2, 2026 Petr Foltin
ADCC CZECH OPEN CHAMPIONSHIP 2026 Boys 11-12 years / Intermediate / -50 kg
Method Submission 01:10 0–0
Marginal influence +7
April 2026 No new matches · 4 left period Change -33 Rating 1,376

Rating-period composition

Rating matches
28 -4
Record
13–15 Previous month 17–15
Opponents
22 -3
Events
8 -2

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

March 2026 5 new matches Change +37 Rating 1,409

Rating-period composition

Rating matches
32 +5
Record
17–15 Previous month 13–14
Opponents
25 +4
Events
10 +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
March 21, 2026 Unknown opponent
TATAMY 20: PRAGUE - KIDS (round robin) Kids / Gi / 10-12 years / Boys / Yellow/orange/green belt / -45 kg
Method Points 04:00 2–17
Marginal influence -7
Win
March 21, 2026 Unknown opponent
TATAMY 20: PRAGUE - KIDS (round robin) Kids / Gi / 10-12 years / Boys / Yellow/orange/green belt / -45 kg
Method Submission 01:41 0–5
Marginal influence +8
Win
March 21, 2026 Volodymyr Demchuk
TATAMY 20: PRAGUE - KIDS (round robin) Kids / Gi / 10-12 years / Boys / Yellow/orange/green belt / -45 kg
Method Submission 00:14 2–0
Marginal influence +5
Win
March 21, 2026 Stanisław Widawski
TATAMY 20: PRAGUE - KIDS (round robin) Kids / Gi / 10-12 years / Boys / Yellow/orange/green belt / -45 kg
Method Submission 00:17 6–0
Marginal influence +4
Win
March 21, 2026 Tibor Culek
TATAMY 20: PRAGUE - KIDS (round robin) Kids / Gi / 10-12 years / Boys / Yellow/orange/green belt / -45 kg
Method Submission 00:55 0–2
Marginal influence +10
February 2026 3 new matches · 7 left period Change +61 Rating 1,372

Rating-period composition

Rating matches
27 -4
Record
13–14 Previous month 11–20
Opponents
21 +1
Events
9 0

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.

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 Maxmilián Trojan
TATAMY 19: Czech Open Championship (kids) Kids / Gi / 10-12 years / Boys / Yellow/orange/green belt / -50 kg
Method Submission 00:53 0–0
Marginal influence +11
Win
February 21, 2026 Karel Durna
TATAMY 19: Czech Open Championship (kids) Kids / Gi / 10-12 years / Boys / Yellow/orange/green belt / -50 kg
Method Submission 00:32 0–0
Marginal influence +6
Win
February 21, 2026 Alex Fröhlich
TATAMY 19: Czech Open Championship (kids) Kids / Gi / 10-12 years / Boys / Yellow/orange/green belt / -50 kg
Method Submission 00:11 0–0
Marginal influence +8
January 2026 No new matches Change 0 Rating 1,311

Rating-period composition

Rating matches
31 0
Record
11–20 Previous month 11–20
Opponents
20 0
Events
9 0

No matches were added or left the period. The change comes from the monthly revaluation of opponents across the full network.

December 2025 1 new match · 5 left period Change -30 Rating 1,311

Rating-period composition

Rating matches
31 -4
Record
11–20 Previous month 14–21
Opponents
20 -1
Events
9 0

5 older matches left the 12-month period: 3 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
December 6, 2025 Michal Klimánek
TATAMY 18 KIDS (No-GI and GI round robin) Kids / Gi / 10-12 years / Boys / Yellow/orange/green belt / -50 kg
Method Submission 02:11 0–0
Marginal influence -17
November 2025 No new matches · 2 left period Change -6 Rating 1,341

Rating-period composition

Rating matches
35 -2
Record
14–21 Previous month 15–22
Opponents
21 -1
Events
9 -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.

October 2025 No new matches · 2 left period Change -6 Rating 1,347

Rating-period composition

Rating matches
37 -2
Record
15–22 Previous month 16–23
Opponents
22 -1
Events
10 -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.

September 2025 2 new matches · 5 left period Change -17 Rating 1,353

Rating-period composition

Rating matches
39 -3
Record
16–23 Previous month 17–25
Opponents
23 -2
Events
11 0

5 older matches left the 12-month period: 1 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
September 20, 2025 Zaur Fotiadi
TATAMY 16 KIDS (No-GI and GI round robin) Kids / Gi / 10-12 years / Boys / Yellow/orange/green belt / -50 kg
Method Submission 01:17 0–0
Marginal influence -9
Loss
September 20, 2025 Michal Klimánek
TATAMY 16 KIDS (No-GI and GI round robin) Kids / Gi / 10-12 years / Boys / Yellow/orange/green belt / -50 kg
Method Submission 01:25 0–0
Marginal influence -14
Relevant matches
14.4
Official ranking percentile
Top 8%
Performance
19.6 pp above expectation

14.4 weighted matches against 14 different opponents across 7 events

Weighted win rate
72.9%
Expected win rate
53.4%
Average opponent rating
1,374
Repeated-opponent share
36.4%
Network connectivity
80.9%