Jakub Zadina - 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 1,301

Rating-period composition

Rating matches: 8 0
Record: 4–4 Previous month 4–4
Opponents: 7 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 +1 Rating 1,301

Rating-period composition

Rating matches: 8 0
Record: 4–4 Previous month 4–4
Opponents: 7 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 0 Rating 1,300

Rating-period composition

Rating matches: 8 0
Record: 4–4 Previous month 4–4
Opponents: 7 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 No new matches Change -4 Rating 1,300

Rating-period composition

Rating matches: 8 0
Record: 4–4 Previous month 4–4
Opponents: 7 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.

April 2026 4 new matches Change +51 Rating 1,304

Rating-period composition

Rating matches: 8 +4
Record: 4–4 Previous month 2–2
Opponents: 7 +3
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

April 12, 2026 David Seifert

CFS 13 CZECH CHAMPIONSHIP ČSAKJ 2026 Grappling NoGi / U15 Junioři chlapci / -45 kg

Method Decision 0–0

Marginal influence -19

Win

April 12, 2026 Lukáš Kasík

CFS 13 CZECH CHAMPIONSHIP ČSAKJ 2026 Grappling NoGi / U15 Junioři chlapci / -45 kg

Method Decision 0–0

Marginal influence +20

Loss

April 12, 2026 Matyáš Barák

CFS 13 CZECH CHAMPIONSHIP ČSAKJ 2026 Grappling NoGi / U15 Junioři chlapci / -45 kg

Method Points 02:00 0–6

Marginal influence -11

Win

April 12, 2026 Filip Linka

CFS 13 CZECH CHAMPIONSHIP ČSAKJ 2026 Grappling NoGi / U15 Junioři chlapci / -45 kg

Method Submission 01:33 2–0

Marginal influence +18

March 2026 2 new matches Change -61 Rating 1,253

Rating-period composition

Rating matches: 4 +2
Record: 2–2 Previous month 2–0
Opponents: 4 +2
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 21, 2026 David Seifert

TATAMY 20: PRAGUE - KIDS (round robin) Kids / No Gi / 13-14 years / Boys / Beginner / -45 kg

Method Points 04:00 0–2

Marginal influence -23

Loss

March 21, 2026 Nikolas Soudný

TATAMY 20: PRAGUE - KIDS (round robin) Kids / No Gi / 13-14 years / Boys / Beginner / -45 kg

Method Submission 00:14 0–0

Marginal influence -33

February 2026 2 new matches Change Starting point Rating 1,314

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 28, 2026 David Mařík

CZECH FIGHTING SERIES 12 – Under the Lights 2026 Grappling NoGi / U15 Junioři chlapci / -40 kg

Method Submission 01:05 0–0

Marginal influence +43

Win

February 28, 2026 Ondřej Palus

CZECH FIGHTING SERIES 12 – Under the Lights 2026 Grappling NoGi / U15 Junioři chlapci / -40 kg

Method Submission 00:12 4–0

Marginal influence +20

Relevant matches: 5.7

Official ranking percentile: Top 60%

Performance: 15.7 pp above expectation

5.7 weighted matches against 7 different opponents across 3 events

Weighted win rate: 54.0%
Expected win rate: 38.2%
Average opponent rating: 1,327
Repeated-opponent share: 12.5%
Network connectivity: 80.9%