Jan Vaculík - 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 1,293

Rating-period composition

Rating matches: 16 0
Record: 8–8 Previous month 8–8
Opponents: 10 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 -4 Rating 1,293

Rating-period composition

Rating matches: 16 0
Record: 8–8 Previous month 8–8
Opponents: 10 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 +8 Rating 1,297

Rating-period composition

Rating matches: 16 0
Record: 8–8 Previous month 8–8
Opponents: 10 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 +5 Rating 1,289

Rating-period composition

Rating matches: 16 0
Record: 8–8 Previous month 8–8
Opponents: 10 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 No new matches Change -1 Rating 1,284

Rating-period composition

Rating matches: 16 0
Record: 8–8 Previous month 8–8
Opponents: 10 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.

March 2026 5 new matches Change +9 Rating 1,285

Rating-period composition

Rating matches: 16 +5
Record: 8–8 Previous month 6–5
Opponents: 10 +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

March 21, 2026 Dominik Tošenovský

TATAMY 20: PRAGUE - KIDS (round robin) Kids / Gi / 13-14 years / Boys / White/grey belt / -60 kg

Method Points 04:00 20–8

Marginal influence +9

Loss

March 21, 2026 Vojtěch Kotula

TATAMY 20: PRAGUE - KIDS (round robin) Kids / Gi / 13-14 years / Boys / White/grey belt / -60 kg

Method Points 04:00 15–17

Marginal influence -10

Win

March 21, 2026 Jindřich Konečný

TATAMY 20: PRAGUE - KIDS (round robin) Kids / Gi / 13-14 years / Boys / White/grey belt / -60 kg

Method Disqualification 00:34 0–2

Marginal influence +17

Loss

March 21, 2026 Artem Bondarenko

TATAMY 20: PRAGUE - KIDS (round robin) Kids / Gi / 13-14 years / Boys / White/grey belt / -60 kg

Method Points 04:00 0–12

Marginal influence -12

Loss

March 21, 2026 Artem Bondarenko

TATAMY 20: PRAGUE - KIDS (round robin) Kids / Gi / 13-14 years / Boys / White/grey belt / -60 kg

Method Submission 00:51 0–3

Marginal influence -12

February 2026 4 new matches Change +54 Rating 1,276

Rating-period composition

Rating matches: 11 +4
Record: 6–5 Previous month 4–3
Opponents: 9 +3
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.

Loss

February 21, 2026 Denis Krejčík

TATAMY 19: Czech Open Championship (kids) Kids / Gi / 13-14 years / Boys / White/grey belt / -60 kg

Method Decision 00:28 0–0

Marginal influence -17

Win

February 21, 2026 Richard Šumbera

TATAMY 19: Czech Open Championship (kids) Kids / Gi / 13-14 years / Boys / White/grey belt / -60 kg

Method Points 0–0

Marginal influence +12

Loss

February 21, 2026 Vojtěch Kotula

TATAMY 19: Czech Open Championship (kids) Kids / Gi / 13-14 years / Boys / White/grey belt / -60 kg

Method Points 04:00 0–27

Marginal influence -10

Win

February 21, 2026 Timur Kovalov

TATAMY 19: Czech Open Championship (kids) Kids / Gi / 13-14 years / Boys / White/grey belt / -60 kg

Method Disqualification 02:49 0–15

Marginal influence +26

January 2026 No new matches Change -3 Rating 1,222

Rating-period composition

Rating matches: 7 0
Record: 4–3 Previous month 4–3
Opponents: 6 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 3 new matches Change -82 Rating 1,225

Rating-period composition

Rating matches: 7 +3
Record: 4–3 Previous month 4–0
Opponents: 6 +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

December 6, 2025 Dominik Tošenovský

TATAMY 18 KIDS (No-GI and GI round robin) Kids / Gi / 13-14 years / Boys / White/grey belt / -60 kg

Method Submission 00:37 0–0

Marginal influence -21

Loss

December 6, 2025 Vojtěch Kotula

TATAMY 18 KIDS (No-GI and GI round robin) Kids / Gi / 13-14 years / Boys / White/grey belt / -60 kg

Method Submission 02:22 0–2

Marginal influence -11

Loss

December 6, 2025 Antonin Kristek

TATAMY 18 KIDS (No-GI and GI round robin) Kids / Gi / 13-14 years / Boys / White/grey belt / -60 kg

Method Submission 02:28 0–0

Marginal influence -21

November 2025 2 new matches Change +42 Rating 1,307

Rating-period composition

Rating matches: 4 +2
Record: 4–0 Previous month 2–0
Opponents: 3 +1
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.

Win

November 1, 2025 Jaroslav Tobiška

TATAMY 17 KIDS (No-GI and GI round robin) Kids / Gi / 10-12 years / Boys / White/grey belt / -55 kg

Method Submission 0–0

Marginal influence +7

Win

November 1, 2025 Matej Gyenes

TATAMY 17 KIDS (No-GI and GI round robin) Kids / Gi / 10-12 years / Boys / White/grey belt / -55 kg

Method Submission 00:25 0–0

Marginal influence +17

October 2025 No new matches Change +1 Rating 1,265

Rating-period composition

Rating matches: 2 0
Record: 2–0 Previous month 2–0
Opponents: 2 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.

September 2025 2 new matches Change Starting point Rating 1,264

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

September 20, 2025 Jindřich Konečný

TATAMY 16 KIDS (No-GI and GI round robin) Kids / Gi / 10-12 years / Boys / White/grey belt / -55 kg

Method Points 4–0

Marginal influence +20

Win

September 20, 2025 Jaroslav Tobiška

TATAMY 16 KIDS (No-GI and GI round robin) Kids / Gi / 10-12 years / Boys / White/grey belt / -55 kg

Method Submission 00:36 0–0

Marginal influence +7

Relevant matches: 9.2

Official ranking percentile: Top 62%

Performance: 10.5 pp above expectation

9.2 weighted matches against 10 different opponents across 5 events

Weighted win rate: 54.6%
Expected win rate: 44.2%
Average opponent rating: 1,284
Repeated-opponent share: 37.5%
Network connectivity: 80.9%