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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 1,399

Rating-period composition

Rating matches
35 0
Record
19–16 Previous month 19–16
Opponents
21 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.

July 2026 No new matches Change -2 Rating 1,399

Rating-period composition

Rating matches
35 0
Record
19–16 Previous month 19–16
Opponents
21 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.

June 2026 1 new match Change +10 Rating 1,401

Rating-period composition

Rating matches
35 +1
Record
19–16 Previous month 18–16
Opponents
21 +1
Events
9 +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
June 20, 2026 Michal Šabata
Open Czech championship submission only 2026 GI Litle Kids Boy 7-9 years / -32kg / Grey belt
Method Submission 00:36 0–0
Marginal influence +7
May 2026 8 new matches Change +7 Rating 1,391

Rating-period composition

Rating matches
34 +8
Record
18–16 Previous month 14–12
Opponents
20 +3
Events
8 +3

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
2026 AGF Czech Championships Gi Kids / Boys / Kids (8 - 9 yrs) / White / Feather III (Up to 38.60 kg)
Method Submission 01:49 21–4
Marginal influence +9
Loss
2026 AGF Czech Championships Gi Kids / Boys / Kids (8 - 9 yrs) / White / Feather III (Up to 38.60 kg)
Method Points 02:00 6–8
Marginal influence -9
Win
2026 AGF Czech Championships No Gi Kids / Boys / Kids (8 - 9 yrs) / White / Feather III (Up to 38.60 kg)
Method Points 03:00 11–2
Marginal influence +4
Win
2026 AGF Czech Championships No Gi Kids / Boys / Kids (8 - 9 yrs) / White / Feather III (Up to 38.60 kg)
Method Points 03:00 12–1
Marginal influence +4
Win
May 2, 2026 Stela Byrtusová
ADCC CZECH OPEN CHAMPIONSHIP 2026 Kids Mix 7-8 years / Beginner / -36kg
Method Submission 00:58 0–0
Marginal influence +3
Loss
May 2, 2026 Darek Pobuda
ADCC CZECH OPEN CHAMPIONSHIP 2026 Kids Mix 7-8 years / Beginner / -36kg
Method Points 03:00 0–6
Marginal influence -4
Loss
May 2, 2026 Darek Pobuda
Valachien Challenge Gi 2026 Boys 7 - 8 years / All belts / -32Kg
Method Points 03:00 0–17
Marginal influence -3
Loss
May 2, 2026 Darek Pobuda
Valachien Challenge Gi 2026 Boys 7 - 8 years / All belts / -32Kg
Method Points 03:00 0–4
Marginal influence -3
April 2026 7 new matches Change +64 Rating 1,384

Rating-period composition

Rating matches
26 +7
Record
14–12 Previous month 8–11
Opponents
17 +4
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
April 18, 2026 Stela Byrtusová
XV. REBEL BJJ CUP Boys Gi / White grey / Pee Wee (7-9 yrs) / -35 kg (2017,2018,2019)
Method Submission 01:32 6–0
Marginal influence +6
Win
XV. REBEL BJJ CUP Boys Gi / White grey / Pee Wee (7-9 yrs) / -35 kg (2017,2018,2019)
Method Submission 01:04 6–0
Marginal influence +5
Win
April 18, 2026 Jakub Simicek
XV. REBEL BJJ CUP Boys Gi / White grey / Pee Wee (7-9 yrs) / -35 kg (2017,2018,2019)
Method Submission 00:39 4–2
Marginal influence +7
Win
April 18, 2026 Stela Byrtusová
XV. REBEL BJJ CUP Boys No-Gi / All belt / Pee Wee (7-9 yrs) / -32 kg (2017,2018,2019)
Method Submission 01:58 9–0
Marginal influence +2
Loss
April 18, 2026 Daniel Cetkovsky
XV. REBEL BJJ CUP Boys No-Gi / All belt / Pee Wee (7-9 yrs) / -32 kg (2017,2018,2019)
Method Submission 02:55 12–0
Marginal influence -7
Win
April 18, 2026 Oliver Alčer
XV. REBEL BJJ CUP Boys No-Gi / All belt / Pee Wee (7-9 yrs) / -32 kg (2017,2018,2019)
Method Submission 01:46 13–2
Marginal influence +9
Win
April 18, 2026 Antonin Tůma
XV. REBEL BJJ CUP Boys No-Gi / All belt / Pee Wee (7-9 yrs) / -32 kg (2017,2018,2019)
Method Points 03:00 15–5
Marginal influence +5
March 2026 4 new matches Change +60 Rating 1,320

Rating-period composition

Rating matches
19 +4
Record
8–11 Previous month 4–11
Opponents
13 +2
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.
Win
N-GEN Kids BJJ Tournament #4 Boys Gi / White grey / Pee Wee (7-9 yrs) / -35 kg (2017,2018,2019)
Method Points 03:00 18–0
Marginal influence +5
Win
March 22, 2026 Jan Lazárek
N-GEN Kids BJJ Tournament #4 Boys Gi / White grey / Pee Wee (7-9 yrs) / -35 kg (2017,2018,2019)
Method Points 03:00 13–0
Marginal influence +6
Win
N-GEN Kids BJJ Tournament #4 Boys No-Gi / All belt / Pee Wee (7-9 yrs) / -35 kg (2017,2018,2019)
Method Points 03:00 7–2
Marginal influence +10
Win
March 22, 2026 Jan Lazárek
N-GEN Kids BJJ Tournament #4 Boys No-Gi / All belt / Pee Wee (7-9 yrs) / -35 kg (2017,2018,2019)
Method Points 03:00 16–0
Marginal influence +4
February 2026 No new matches Change +6 Rating 1,260

Rating-period composition

Rating matches
15 0
Record
4–11 Previous month 4–11
Opponents
11 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.

January 2026 No new matches Change +3 Rating 1,254

Rating-period composition

Rating matches
15 0
Record
4–11 Previous month 4–11
Opponents
11 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.

December 2025 10 new matches Change +25 Rating 1,251

Rating-period composition

Rating matches
15 +10
Record
4–11 Previous month 1–4
Opponents
11 +8
Events
3 +2

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 20, 2025 Alexander Polák
XIII. GrappleXmas BJJ Cup Boys No-Gi / All belt / Pee Wee (7-9 yrs) / -32 kg (2016,2017,2018)
Method Submission 02:07 2–8
Marginal influence -7
Loss
December 20, 2025 Lukáš Oravecz
XIII. GrappleXmas BJJ Cup Boys No-Gi / All belt / Pee Wee (7-9 yrs) / -32 kg (2016,2017,2018)
Method Submission 02:04 2–10
Marginal influence -8
Loss
December 20, 2025 Jakub Onger
XIII. GrappleXmas BJJ Cup Boys No-Gi / All belt / Pee Wee (7-9 yrs) / -32 kg (2016,2017,2018)
Method Submission 01:08 0–5
Marginal influence -7
Loss
December 20, 2025 Jakub Onger
XIII. GrappleXmas BJJ Cup Boys Gi / White grey / Pee Wee (7-9 yrs) / -29 kg (2016,2017,2018)
Method Points 03:00 2–11
Marginal influence -5
Win
December 20, 2025 Matěj Korbáš
XIII. GrappleXmas BJJ Cup Boys Gi / White grey / Pee Wee (7-9 yrs) / -29 kg (2016,2017,2018)
Method Submission 01:44 18–0
Marginal influence +8
Win
December 20, 2025 Tom Benjamin Vondráček
XIII. GrappleXmas BJJ Cup Boys Gi / White grey / Pee Wee (7-9 yrs) / -29 kg (2016,2017,2018)
Method Points 03:00 6–2
Marginal influence +5
Loss
December 6, 2025 Šimon Mareček
TATAMY 18 KIDS (No-GI and GI round robin) Kids / Gi / 7-9 years / Mix / All levels / -32 kg
Method Points 03:00 0–8
Marginal influence -12
Loss
December 6, 2025 Unknown opponent
TATAMY 18 KIDS (No-GI and GI round robin) Kids / Gi / 7-9 years / Mix / All levels / -32 kg
Method Points 03:00 0–3
Marginal influence -8
Loss
December 6, 2025 Jiří Polzer
TATAMY 18 KIDS (No-GI and GI round robin) Kids / Gi / 7-9 years / Mix / All levels / -32 kg
Method Submission 01:08 0–0
Marginal influence -4
Win
December 6, 2025 Mahulena Pirklová
TATAMY 18 KIDS (No-GI and GI round robin) Kids / Gi / 7-9 years / Mix / All levels / -32 kg
Method Points 03:00 3–2
Marginal influence +9
November 2025 No new matches Change -1 Rating 1,226

Rating-period composition

Rating matches
5 0
Record
1–4 Previous month 1–4
Opponents
3 0
Events
1 0

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

October 2025 5 new matches Change Starting point Rating 1,227

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 25, 2025 Jakub Onger
N-GEN Kids BJJ Tournament #3 Boys Gi / White grey / Pee Wee (7-9 yrs) / -29 kg (2016,2017,2018)
Method Points 03:00 0–9
Marginal influence -5
Loss
October 25, 2025 Daniel Cetkovsky
N-GEN Kids BJJ Tournament #3 Boys Gi / White grey / Pee Wee (7-9 yrs) / -29 kg (2016,2017,2018)
Method Points 03:00 0–16
Marginal influence -10
Loss
October 25, 2025 Tobiáš Jendrisek
N-GEN Kids BJJ Tournament #3 Boys Gi / White grey / Pee Wee (7-9 yrs) / -29 kg (2016,2017,2018)
Method Submission 00:41 0–6
Marginal influence -6
Win
October 25, 2025 Daniel Cetkovsky
N-GEN Kids BJJ Tournament #3 Boys No-Gi / All belt / Pee Wee (7-9 yrs) / -29 kg (2016,2017,2018)
Method Submission 02:18 0–6
Marginal influence +5
Loss
October 25, 2025 Jakub Onger
N-GEN Kids BJJ Tournament #3 Boys No-Gi / All belt / Pee Wee (7-9 yrs) / -29 kg (2016,2017,2018)
Method Submission 00:24 0–0
Marginal influence -8
Relevant matches
23.7
Official ranking percentile
Top 28%
Performance
3.1 pp above expectation

23.7 weighted matches against 21 different opponents across 9 events

Weighted win rate
54.9%
Expected win rate
51.9%
Average opponent rating
1,335
Repeated-opponent share
40.0%
Network connectivity
80.9%