Josef Vrága - 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 1,469

Rating-period composition

Rating matches: 19 0
Record: 15–4 Previous month 15–4
Opponents: 12 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 1,469

Rating-period composition

Rating matches: 19 0
Record: 15–4 Previous month 15–4
Opponents: 12 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 -1 Rating 1,469

Rating-period composition

Rating matches: 19 0
Record: 15–4 Previous month 15–4
Opponents: 12 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 Change -2 Rating 1,470

Rating-period composition

Rating matches: 19 0
Record: 15–4 Previous month 15–4
Opponents: 12 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.

April 2026 4 new matches Change +23 Rating 1,472

Rating-period composition

Rating matches: 19 +4
Record: 15–4 Previous month 11–4
Opponents: 12 +1
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 12, 2026 Mathias Bojko

CFS 13 CZECH CHAMPIONSHIP ČSAKJ 2026 Grappling NoGi / U12 Děti chlapci / -25 kg

Method Submission 01:12 4–0

Marginal influence +2

Win

April 12, 2026 Mathias Bojko

CFS 13 CZECH CHAMPIONSHIP ČSAKJ 2026 Grappling NoGi / U12 Děti chlapci / -25 kg

Method Submission 01:35 10–0

Marginal influence +2

Win

April 12, 2026 Luka Lakomý

CFS 13 CZECH CHAMPIONSHIP ČSAKJ 2026 Grappling Gi / U12 Děti chlapci / -25 kg

Method Submission 01:28 13–0

Marginal influence +7

Win

April 12, 2026 Luka Lakomý

CFS 13 CZECH CHAMPIONSHIP ČSAKJ 2026 Grappling Gi / U12 Děti chlapci / -25 kg

Method Points 02:00 10–0

Marginal influence +7

March 2026 5 new matches · 3 left period Change +3 Rating 1,449

Rating-period composition

Rating matches: 15 +2
Record: 11–4 Previous month 10–3
Opponents: 11 +2
Events: 4 0

3 older matches left the 12-month period: 2 won and 1 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

March 21, 2026 Botond Kertész

TATAMY 20: PRAGUE - KIDS (round robin) Kids / No Gi / 7-9 years / Mix / All levels / -28 kg

Method Points 03:00 2–0

Marginal influence +9

Win

March 21, 2026 Jaroslav Zavadil

TATAMY 20: PRAGUE - KIDS (round robin) Kids / No Gi / 7-9 years / Mix / All levels / -28 kg

Method Submission 0–0

Marginal influence +6

Win

March 21, 2026 Botond Kertész

TATAMY 20: PRAGUE - KIDS (round robin) Kids / No Gi / 7-9 years / Mix / All levels / -28 kg

Method Submission 02:19 0–7

Marginal influence +9

Loss

March 21, 2026 Ivan Avramenko

TATAMY 20: PRAGUE - KIDS (round robin) Kids / No Gi / 7-9 years / Mix / All levels / -28 kg

Method Submission 00:26 0–0

Marginal influence -15

Loss

March 21, 2026 Michal Hrnčár

TATAMY 20: PRAGUE - KIDS (round robin) Kids / No Gi / 7-9 years / Mix / All levels / -28 kg

Method Points 03:00 2–3

Marginal influence -20

February 2026 6 new matches Change +107 Rating 1,446

Rating-period composition

Rating matches: 13 +6
Record: 10–3 Previous month 5–2
Opponents: 9 +5
Events: 4 +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.

Win

February 28, 2026 Nataly Sarkány

CZECH FIGHTING SERIES 12 – Under the Lights 2026 Grappling NoGi / U12 Děti chlapci / -25 kg

Method Submission 01:56 2–0

Marginal influence +8

Loss

February 28, 2026 Maxim Krmela

CZECH FIGHTING SERIES 12 – Under the Lights 2026 Grappling NoGi / U12 Děti chlapci / -25 kg

Method Points 02:00 2–3

Marginal influence -9

Win

February 28, 2026 Constantin Pîslaru

CZECH FIGHTING SERIES 12 – Under the Lights 2026 Grappling Gi / U12 Děti chlapci / -25 kg

Method Submission 01:05 2–0

Marginal influence +10

Win

February 28, 2026 Maxim Krmela

CZECH FIGHTING SERIES 12 – Under the Lights 2026 Grappling Gi / U12 Děti chlapci / -25 kg

Method Decision 02:00 3–0

Marginal influence +20

Win

February 7, 2026 Jaroslav Zavadil

Pardubice Grappling Open vol.5 Boys Junior GI / 9-10 years / -28 kg / Intermediate

Method Submission 00:41 0–0

Marginal influence +12

Win

February 7, 2026 Adam Jukl

Pardubice Grappling Open vol.5 Boys Junior GI / 9-10 years / -28 kg / Intermediate

Method Submission 00:14 0–0

Marginal influence +8

January 2026 No new matches Change -1 Rating 1,339

Rating-period composition

Rating matches: 7 0
Record: 5–2 Previous month 5–2
Opponents: 4 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.

December 2025 No new matches Change 0 Rating 1,340

Rating-period composition

Rating matches: 7 0
Record: 5–2 Previous month 5–2
Opponents: 4 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.

November 2025 No new matches Change +3 Rating 1,340

Rating-period composition

Rating matches: 7 0
Record: 5–2 Previous month 5–2
Opponents: 4 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.

October 2025 4 new matches · 5 left period Change +81 Rating 1,337

Rating-period composition

Rating matches: 7 -1
Record: 5–2 Previous month 5–3
Opponents: 4 +2
Events: 2 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.

Win

October 18, 2025 David Kalous

CZECH FIGHTING SERIES 11, Samurai Cup 2025 Grappling Gi / U12 Děti chlapci / -25 kg

Method Submission 02:00 14–2

Marginal influence +9

Loss

October 18, 2025 Václav Krištof

CZECH FIGHTING SERIES 11, Samurai Cup 2025 Grappling Gi / U12 Děti chlapci / -25 kg

Method Points 01:25 10–12

Marginal influence -15

Win

October 18, 2025 Václav Krištof

CZECH FIGHTING SERIES 11, Samurai Cup 2025 Grappling NoGi / U12 Děti chlapci / -25 kg

Method Points 02:00 0–0

Marginal influence +8

Win

October 18, 2025 Mathias Bojko

CZECH FIGHTING SERIES 11, Samurai Cup 2025 Grappling NoGi / U12 Děti chlapci / -25 kg

Method Submission 00:21 0–0

Marginal influence +2

September 2025 No new matches Change 0 Rating 1,256

Rating-period composition

Rating matches: 8 0
Record: 5–3 Previous month 5–3
Opponents: 2 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.

Relevant matches: 13.2

Official ranking percentile: Top 12%

Performance: 15.4 pp above expectation

13.2 weighted matches against 12 different opponents across 5 events

Weighted win rate: 78.0%
Expected win rate: 62.5%
Average opponent rating: 1,314
Repeated-opponent share: 36.8%
Network connectivity: 80.9%