Jan Hejhal - 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 1,307

Rating-period composition

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

July 2026 4 new matches Change +49 Rating 1,307

Rating-period composition

Rating matches: 5 +4
Record: 3–2 Previous month 1–0
Opponents: 5 +4
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

July 11, 2026 Vojtech Secky

Pardubice Grappling Open vol.7 Boys Junior No-GI / 15-17 years / -55 kg / Beginner

Method Submission 01:58 0–0

Marginal influence +14

Loss

July 11, 2026 Volodymyr Harkavyi

Pardubice Grappling Open vol.7 Boys Junior No-GI / 15-17 years / -55 kg / Beginner

Method Submission 02:04 0–0

Marginal influence -27

Loss

July 11, 2026 Yaroslav Samkov

Pardubice Grappling Open vol.7 Boys Junior No-GI / 15-17 years / -55 kg / Beginner

Method Submission 03:53 0–0

Marginal influence -17

Win

July 11, 2026 Andriy Sharipov

Pardubice Grappling Open vol.7 Boys Junior No-GI / 15-17 years / -55 kg / Beginner

Method Submission 02:58 0–0

Marginal influence +20

June 2026 No new matches Change 0 Rating 1,258

Rating-period composition

Rating matches: 1 0
Record: 1–0 Previous month 1–0
Opponents: 1 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.

May 2026 No new matches Change 0 Rating 1,258

Rating-period composition

Rating matches: 1 0
Record: 1–0 Previous month 1–0
Opponents: 1 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.

April 2026 1 new match Change Starting point Rating 1,258

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 Jakub Žahour

CFS 13 CZECH CHAMPIONSHIP ČSAKJ 2026 Kicklight / U18 Kadeti chlapci / -55 kg

Method Decision 03:00 3–0

Marginal influence +16

Relevant matches: 3.8

Official ranking percentile: -

Performance: -

3.8 weighted matches against 5 different opponents across 2 events

Weighted win rate: -
Expected win rate: -
Average opponent rating: 1,262
Repeated-opponent share: 0.0%
Network connectivity: 80.9%