Jan Pecka - 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 1,189

Rating-period composition

Rating matches: 2 0
Record: 1–1 Previous month 1–1
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.

July 2026 No new matches Change 0 Rating 1,189

Rating-period composition

Rating matches: 2 0
Record: 1–1 Previous month 1–1
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.

June 2026 No new matches Change 0 Rating 1,189

Rating-period composition

Rating matches: 2 0
Record: 1–1 Previous month 1–1
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.

May 2026 2 new matches Change Starting point Rating 1,189

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

May 16, 2026 Natan Struyf

Vienna Open Championship 2026 - Offene Wiener Landesmeisterschaft 2026 Jiu Jitsu Gi (BJJ Gi) - Male / U16 / White Belt / -77 kg

Method Points 03:00 2–0

Marginal influence +45

Loss

May 16, 2026 Mingeon Park

Vienna Open Championship 2026 - Offene Wiener Landesmeisterschaft 2026 Jiu Jitsu Gi (BJJ Gi) - Male / U16 / White Belt / -77 kg

Method Submission 02:37 0–6

Marginal influence -61

Relevant matches: 1.7

Official ranking percentile: -

Performance: -

1.7 weighted matches against 2 different opponents across 1 events

Weighted win rate: -
Expected win rate: -
Average opponent rating: 1,192
Repeated-opponent share: 0.0%
Network connectivity: 80.9%