Ronja Staerke - 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 +2 Rating 1,425

Rating-period composition

Rating matches: 11 0
Record: 8–3 Previous month 8–3
Opponents: 9 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.

July 2026 No new matches Change -1 Rating 1,423

Rating-period composition

Rating matches: 11 0
Record: 8–3 Previous month 8–3
Opponents: 9 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.

June 2026 No new matches Change +1 Rating 1,424

Rating-period composition

Rating matches: 11 0
Record: 8–3 Previous month 8–3
Opponents: 9 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.

May 2026 3 new matches Change +61 Rating 1,423

Rating-period composition

Rating matches: 11 +3
Record: 8–3 Previous month 5–3
Opponents: 9 +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.

Win

May 23, 2026 Arina Herb

BERLIN OPEN CHAMPIONSHIP 2026 I EUROPEAN CUP Girls Gi (under 16 y.o.) / Yellow / 12-13 years / -48 kg

Method Submission 00:23 0–0

Marginal influence +8

Win

May 23, 2026 Polina Hodyna

BERLIN OPEN CHAMPIONSHIP 2026 I EUROPEAN CUP Girls Gi (under 16 y.o.) / Yellow / 12-13 years / -48 kg

Method Submission 03:46 18–0

Marginal influence +14

Win

May 23, 2026 Amy Cumpelik

BERLIN OPEN CHAMPIONSHIP 2026 I EUROPEAN CUP Girls No-Gi (under 16 y.o.) / Yellow / 12-13 years / -48 kg

Method Submission 02:03 2–0

Marginal influence +15

April 2026 4 new matches Change +67 Rating 1,362

Rating-period composition

Rating matches: 8 +4
Record: 5–3 Previous month 2–2
Opponents: 6 +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.

Loss

April 11, 2026 Luna Fischer

Fennec BJJ Kids Cup Vol. 9 Gi & NoGi Girls No-Gi (under 16 y.o.) / Grey / 12-13 years / -52 kg

Method Points 2–3

Marginal influence -15

Win

April 11, 2026 Liliana Krawietz

Fennec BJJ Kids Cup Vol. 9 Gi & NoGi Girls No-Gi (under 16 y.o.) / Grey / 12-13 years / -52 kg

Method Submission 02:01 6–0

Marginal influence +8

Win

April 11, 2026 Sofia Aliakbar Beikchani

Fennec BJJ Kids Cup Vol. 9 Gi & NoGi Girls Gi (under 16 y.o.) / Grey / 12-13 years / -44 kg

Method Submission 00:38 6–0

Marginal influence +21

Win

April 11, 2026 Anastasiia Leshchenko

Fennec BJJ Kids Cup Vol. 9 Gi & NoGi Girls Gi (under 16 y.o.) / Grey / 12-13 years / -44 kg

Method Submission 00:38 6–0

Marginal influence +10

March 2026 No new matches · 2 left period Change +25 Rating 1,295

Rating-period composition

Rating matches: 4 -2
Record: 2–2 Previous month 2–4
Opponents: 2 -1
Events: 1 -1

2 older matches left the 12-month period: 0 won and 2 lost. The rating is then recalculated across the full network, so the monthly change is not a sum of separate deductions.

February 2026 No new matches Change +2 Rating 1,270

Rating-period composition

Rating matches: 6 0
Record: 2–4 Previous month 2–4
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.

January 2026 No new matches Change +2 Rating 1,268

Rating-period composition

Rating matches: 6 0
Record: 2–4 Previous month 2–4
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.

December 2025 No new matches Change +3 Rating 1,266

Rating-period composition

Rating matches: 6 0
Record: 2–4 Previous month 2–4
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.

November 2025 4 new matches Change +47 Rating 1,263

Rating-period composition

Rating matches: 6 +4
Record: 2–4 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.

Win

November 22, 2025 Mia Triebel

Fennec BJJ Kids Cup Gi & NoGi Girls No-Gi (under 16 y.o.) / Orange / 12-13 years / -40 kg

Method Submission 01:31 6–0

Marginal influence +6

Loss

November 22, 2025 Anais S.Yagües

Fennec BJJ Kids Cup Gi & NoGi Girls No-Gi (under 16 y.o.) / Orange / 12-13 years / -40 kg

Method Submission 00:39 0–0

Marginal influence -18

Loss

November 22, 2025 Anais S.Yagües

Fennec BJJ Kids Cup Gi & NoGi Girls Gi (under 16 y.o.) / Orange / 12-13 years / -48 kg

Method Submission 01:18 0–0

Marginal influence -11

Win

November 22, 2025 Mia Triebel

Fennec BJJ Kids Cup Gi & NoGi Girls Gi (under 16 y.o.) / Orange / 12-13 years / -48 kg

Method Submission 00:38 6–0

Marginal influence +12

October 2025 No new matches Change -1 Rating 1,216

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.

September 2025 No new matches Change 0 Rating 1,217

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.

Relevant matches: 9.4

Official ranking percentile: Top 20%

Performance: 18.3 pp above expectation

9.4 weighted matches against 9 different opponents across 3 events

Weighted win rate: 72.3%
Expected win rate: 54.1%
Average opponent rating: 1,327
Repeated-opponent share: 18.2%
Network connectivity: 80.9%