Roman Zwicky - 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 1,255

Rating-period composition

Rating matches: 4 0
Record: 1–3 Previous month 1–3
Opponents: 3 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 No new matches Change 0 Rating 1,255

Rating-period composition

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

June 2026 2 new matches Change +26 Rating 1,255

Rating-period composition

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

June 6, 2026 Noah Dumitrascuta

SWISS FESTIVAL KIDS III Boys Gi / Grey / Mighty Mite III (6yrs) / -25,20 kg

Method Submission 01:24 0–11

Marginal influence -24

Win

June 6, 2026 Tomas Xu

SWISS FESTIVAL KIDS III Boys Gi / Grey / Mighty Mite III (6yrs) / -25,20 kg

Method Submission 02:58 6–0

Marginal influence +34

May 2026 No new matches Change 0 Rating 1,229

Rating-period composition

Rating matches: 2 0
Record: 0–2 Previous month 0–2
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 No new matches Change 0 Rating 1,229

Rating-period composition

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

March 2026 2 new matches Change Starting point Rating 1,229

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 Aiden Smith

Zurich BJJ SPRING OPEN GI and NO-GI 2026 BOYS GI / Kids 2 / White / -26kg

Method Points 02:00 0–8

Marginal influence -10

Loss

March 21, 2026 Aiden Smith

Zurich BJJ SPRING OPEN GI and NO-GI 2026 BOYS NOGI / Kids 2 / White / -26kg

Method Points 02:00 0–21

Marginal influence -8

Relevant matches: 3.7

Official ranking percentile: -

Performance: -

3.7 weighted matches against 3 different opponents across 2 events

Weighted win rate: -
Expected win rate: -
Average opponent rating: 1,367
Repeated-opponent share: 25.0%
Network connectivity: 80.9%