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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 1,443

Rating-period composition

Rating matches
25 0
Record
17–8 Previous month 17–8
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 1,443

Rating-period composition

Rating matches
25 0
Record
17–8 Previous month 17–8
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 No new matches Change +6 Rating 1,443

Rating-period composition

Rating matches
25 0
Record
17–8 Previous month 17–8
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.

May 2026 No new matches · 4 left period Change -39 Rating 1,437

Rating-period composition

Rating matches
25 -4
Record
17–8 Previous month 21–8
Opponents
14 -2
Events
5 -1

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.

April 2026 4 new matches · 6 left period Change +84 Rating 1,476

Rating-period composition

Rating matches
29 -2
Record
21–8 Previous month 17–14
Opponents
16 -1
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.

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 Vojtěch Glista
XV. REBEL BJJ CUP Boys Gi / White grey / Junior (10-11yrs) / -33 kg (2015,2016)
Method Submission 01:00 4–0
Marginal influence +8
Win
April 18, 2026 Vojtěch Glista
XV. REBEL BJJ CUP Boys Gi / White grey / Junior (10-11yrs) / -33 kg (2015,2016)
Method Submission 00:29 6–0
Marginal influence +8
Win
April 18, 2026 Jakub Simicek
XV. REBEL BJJ CUP Boys No-Gi / All belt / Pee Wee (7-9 yrs) / -38 kg (2017,2018,2019)
Method Submission 00:27 4–0
Marginal influence +5
Win
April 18, 2026 František Strnadel
XV. REBEL BJJ CUP Boys No-Gi / All belt / Pee Wee (7-9 yrs) / -38 kg (2017,2018,2019)
Method Points 03:00 6–0
Marginal influence +6
March 2026 3 new matches Change -12 Rating 1,392

Rating-period composition

Rating matches
31 +3
Record
17–14 Previous month 16–12
Opponents
17 +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
March 22, 2026 Štefan Jakubec
N-GEN Kids BJJ Tournament #4 Boys Gi / White grey / Junior (10-11yrs) / -33 kg (2015,2016)
Method Submission 00:53 0–9
Marginal influence -11
Loss
March 22, 2026 Alexander Polák
N-GEN Kids BJJ Tournament #4 Boys Gi / White grey / Junior (10-11yrs) / -33 kg (2015,2016)
Method Submission 01:54 2–10
Marginal influence -8
Win
March 22, 2026 Jiri Antos
N-GEN Kids BJJ Tournament #4 Boys Gi / White grey / Junior (10-11yrs) / -33 kg (2015,2016)
Method Points 03:00 5–0
Marginal influence +6
February 2026 9 new matches · 4 left period Change +35 Rating 1,404

Rating-period composition

Rating matches
28 +5
Record
16–12 Previous month 11–12
Opponents
15 +1
Events
6 0

4 older matches left the 12-month period: 1 won and 3 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 Milan Kolomazník
TATAMY 19: Czech Open Championship (kids) Kids / Gi / 7-9 years / Mix / All levels / -36 kg
Method Points 03:00 4–2
Marginal influence +7
Win
February 21, 2026 Mariannka Prits
TATAMY 19: Czech Open Championship (kids) Kids / Gi / 7-9 years / Mix / All levels / -36 kg
Method Submission 00:22 6–0
Marginal influence +4
Win
February 21, 2026 Kuzma Nedosekin
TATAMY 19: Czech Open Championship (kids) Kids / Gi / 7-9 years / Mix / All levels / -36 kg
Method Submission 01:35 12–0
Marginal influence +8
Win
February 21, 2026 Sergei Bespalyi
TATAMY 19: Czech Open Championship (kids) Kids / Gi / 7-9 years / Mix / All levels / -36 kg
Method Submission 00:59 9–0
Marginal influence +9
Loss
February 21, 2026 Artur Kovalov
TATAMY 19: Czech Open Championship (kids) Kids / Gi / 7-9 years / Mix / All levels / -36 kg
Method Submission 00:33 0–0
Marginal influence -8
Win
February 21, 2026 Mariannka Prits
TATAMY 19: Czech Open Championship (kids) Kids / No Gi / 7-9 years / Mix / All levels / -36 kg
Method Submission 00:21 0–0
Marginal influence +1
Loss
February 21, 2026 Milan Kolomazník
TATAMY 19: Czech Open Championship (kids) Kids / No Gi / 7-9 years / Mix / All levels / -36 kg
Method Submission 02:19 0–2
Marginal influence -14
Win
February 21, 2026 Kuzma Nedosekin
TATAMY 19: Czech Open Championship (kids) Kids / No Gi / 7-9 years / Mix / All levels / -36 kg
Method Submission 01:47 2–0
Marginal influence +5
Loss
February 21, 2026 Artur Kovalov
TATAMY 19: Czech Open Championship (kids) Kids / No Gi / 7-9 years / Mix / All levels / -36 kg
Method Decision 03:00 0–0
Marginal influence -8
January 2026 No new matches Change +3 Rating 1,369

Rating-period composition

Rating matches
23 0
Record
11–12 Previous month 11–12
Opponents
14 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 4 new matches · 3 left period Change +17 Rating 1,366

Rating-period composition

Rating matches
23 +1
Record
11–12 Previous month 10–12
Opponents
14 -1
Events
6 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.
Win
December 20, 2025 Milan Kolomazník
XIII. GrappleXmas BJJ Cup Boys Gi / White grey / Pee Wee (7-9 yrs) / -35 kg (2016,2017,2018)
Method Points 03:00 6–2
Marginal influence +8
Win
December 20, 2025 Alexander Polák
XIII. GrappleXmas BJJ Cup Boys Gi / White grey / Pee Wee (7-9 yrs) / -35 kg (2016,2017,2018)
Method Points 03:00 15–0
Marginal influence +7
Loss
December 20, 2025 Kryštof Jan Vondráček
XIII. GrappleXmas BJJ Cup Boys Gi / White grey / Pee Wee (7-9 yrs) / -35 kg (2016,2017,2018)
Method Submission 02:01 2–0
Marginal influence -11
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 02:38 6–6
Marginal influence -8
November 2025 No new matches · 4 left period Change -1 Rating 1,349

Rating-period composition

Rating matches
22 -4
Record
10–12 Previous month 11–15
Opponents
15 -4
Events
6 -1

4 older matches left the 12-month period: 1 won and 3 lost. The rating is then recalculated across the full network, so the monthly change is not a sum of separate deductions.

October 2025 5 new matches Change +50 Rating 1,350

Rating-period composition

Rating matches
26 +5
Record
11–15 Previous month 7–14
Opponents
19 +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.
Win
October 25, 2025 Alexander Polák
N-GEN Kids BJJ Tournament #3 Boys No-Gi / All belt / Pee Wee (7-9 yrs) / -35 kg (2016,2017,2018)
Method Points 03:00 18–0
Marginal influence +7
Loss
October 25, 2025 Tobias Kováč
N-GEN Kids BJJ Tournament #3 Boys No-Gi / All belt / Pee Wee (7-9 yrs) / -35 kg (2016,2017,2018)
Method Submission 00:59 0–2
Marginal influence -13
Win
October 25, 2025 Šimon Tichý
N-GEN Kids BJJ Tournament #3 Boys No-Gi / All belt / Pee Wee (7-9 yrs) / -35 kg (2016,2017,2018)
Method Submission 00:49 6–0
Marginal influence +4
Win
October 25, 2025 Šimon Tichý
N-GEN Kids BJJ Tournament #3 Boys Gi / White grey / Pee Wee (7-9 yrs) / -32 kg (2016,2017,2018)
Method Submission 01:48 9–0
Marginal influence +10
Win
October 25, 2025 Alexander Polák
N-GEN Kids BJJ Tournament #3 Boys Gi / White grey / Pee Wee (7-9 yrs) / -32 kg (2016,2017,2018)
Method Submission 01:26 6–0
Marginal influence +8
September 2025 No new matches Change +10 Rating 1,300

Rating-period composition

Rating matches
21 0
Record
7–14 Previous month 7–14
Opponents
17 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.

Relevant matches
16.6
Official ranking percentile
Top 17%
Performance
10.4 pp above expectation

16.6 weighted matches against 14 different opponents across 5 events

Weighted win rate
68.0%
Expected win rate
57.6%
Average opponent rating
1,329
Repeated-opponent share
44.0%
Network connectivity
80.9%