Jan Lazárek - Rating | TopBJJ Index

Calculation details

Rating breakdown for the past 12 months

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 1,143

Rating-period composition

Rating matches: 9 0
Record: 0–9 Previous month 0–9
Opponents: 8 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.

July 2026 No new matches Change 0 Rating 1,143

Rating-period composition

Rating matches: 9 0
Record: 0–9 Previous month 0–9
Opponents: 8 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.

June 2026 No new matches Change +2 Rating 1,143

Rating-period composition

Rating matches: 9 0
Record: 0–9 Previous month 0–9
Opponents: 8 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.

May 2026 2 new matches Change +10 Rating 1,141

Rating-period composition

Rating matches: 9 +2
Record: 0–9 Previous month 0–7
Opponents: 8 +2
Events: 3 +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

May 2, 2026 Oliver Balej

Valachien Challenge Gi 2026 Kids Mix 9-10 years / All belts / -36kg

Method Submission 00:22 0–2

Marginal influence -2

Loss

May 2, 2026 Vojtěch Voznica

Valachien Challenge Gi 2026 Kids Mix 9-10 years / All belts / -36kg

Method Submission 00:14 0–2

Marginal influence -6

April 2026 No new matches Change +7 Rating 1,131

Rating-period composition

Rating matches: 7 0
Record: 0–7 Previous month 0–7
Opponents: 6 0
Events: 2 0

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

March 2026 4 new matches Change +53 Rating 1,124

Rating-period composition

Rating matches: 7 +4
Record: 0–7 Previous month 0–3
Opponents: 6 +3
Events: 2 +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 Tom Benjamin Vondráček

N-GEN Kids BJJ Tournament #4 Boys Gi / White grey / Pee Wee (7-9 yrs) / -35 kg (2017,2018,2019)

Method Submission 01:15 0–7

Marginal influence -10

Loss

March 22, 2026 Daniil Prokopenko

N-GEN Kids BJJ Tournament #4 Boys Gi / White grey / Pee Wee (7-9 yrs) / -35 kg (2017,2018,2019)

Method Points 03:00 0–13

Marginal influence -7

Loss

March 22, 2026 Valéria Emma Holotová

N-GEN Kids BJJ Tournament #4 Boys No-Gi / All belt / Pee Wee (7-9 yrs) / -35 kg (2017,2018,2019)

Method Submission 01:57 0–13

Marginal influence -14

Loss

March 22, 2026 Daniil Prokopenko

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 0–16

Marginal influence -13

February 2026 No new matches Change +1 Rating 1,071

Rating-period composition

Rating matches: 3 0
Record: 0–3 Previous month 0–3
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.

January 2026 No new matches Change +3 Rating 1,070

Rating-period composition

Rating matches: 3 0
Record: 0–3 Previous month 0–3
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.

December 2025 3 new matches Change Starting point Rating 1,067

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 František Strnadel

XIII. GrappleXmas BJJ Cup Boys No-Gi / All belt / Pee Wee (7-9 yrs) / -38 kg (2016,2017,2018)

Method Points 03:00 0–9

Marginal influence -15

Loss

December 20, 2025 Dominik Schwarc

XIII. GrappleXmas BJJ Cup Boys No-Gi / All belt / Pee Wee (7-9 yrs) / -38 kg (2016,2017,2018)

Method Submission 02:07 7–4

Marginal influence -16

Loss

December 20, 2025 Jakub Dominik

XIII. GrappleXmas BJJ Cup Boys No-Gi / All belt / Pee Wee (7-9 yrs) / -38 kg (2016,2017,2018)

Method Submission 01:47 0–9

Marginal influence -14

Relevant matches: 7.3

Official ranking percentile: Top 96%

Performance: 41.7 pp below expectation

7.3 weighted matches against 8 different opponents across 3 events

Weighted win rate: 0.0%
Expected win rate: 41.7%
Average opponent rating: 1,341
Repeated-opponent share: 11.1%
Network connectivity: 80.9%