Amaya Ziamari - 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 1,275

Rating-period composition

Rating matches: 7 0
Record: 2–5 Previous month 2–5
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 1,275

Rating-period composition

Rating matches: 7 0
Record: 2–5 Previous month 2–5
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 No new matches Change -1 Rating 1,275

Rating-period composition

Rating matches: 7 0
Record: 2–5 Previous month 2–5
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.

May 2026 4 new matches Change +102 Rating 1,276

Rating-period composition

Rating matches: 7 +4
Record: 2–5 Previous month 1–2
Opponents: 3 0
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

May 9, 2026 Chelsey Co

Lion Cub Jiu Jitsu Competition 6 Girls NO-GI / 7 years old (DAY 2: Sunday) / Grey belt / -27 kg

Method Submission 00:10 0–0

Marginal influence -9

Loss

May 9, 2026 Chelsey Co

Lion Cub Jiu Jitsu Competition 6 Girls NO-GI / 7 years old (DAY 2: Sunday) / Grey belt / -27 kg

Method Submission 01:57 0–11

Marginal influence -9

Loss

May 9, 2026 Chelsey Co

Lion Cub Jiu Jitsu Competition 6 Girls GI / 6 & 7 years old (DAY 2: Sunday) / Grey belt / -27 kg

Method Submission 02:12 0–19

Marginal influence -7

Win

May 9, 2026 Georgia Plinck

Lion Cub Jiu Jitsu Competition 6 Girls GI / 6 & 7 years old (DAY 2: Sunday) / Grey belt / -27 kg

Method Submission 02:48 11–2

Marginal influence +21

April 2026 No new matches · 4 left period Change 0 Rating 1,174

Rating-period composition

Rating matches: 3 -4
Record: 1–2 Previous month 2–5
Opponents: 3 -4
Events: 1 -1

4 older matches left the 12-month period: 1 won and 3 lost. The rating is then recalculated across the full network, so the monthly change is not a sum of separate deductions.

March 2026 No new matches Change -4 Rating 1,174

Rating-period composition

Rating matches: 7 0
Record: 2–5 Previous month 2–5
Opponents: 7 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.

February 2026 No new matches Change 0 Rating 1,178

Rating-period composition

Rating matches: 7 0
Record: 2–5 Previous month 2–5
Opponents: 7 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 -5 Rating 1,178

Rating-period composition

Rating matches: 7 0
Record: 2–5 Previous month 2–5
Opponents: 7 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 0 Rating 1,183

Rating-period composition

Rating matches: 7 0
Record: 2–5 Previous month 2–5
Opponents: 7 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 No new matches Change +8 Rating 1,183

Rating-period composition

Rating matches: 7 0
Record: 2–5 Previous month 2–5
Opponents: 7 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.

October 2025 3 new matches · 2 left period Change +42 Rating 1,175

Rating-period composition

Rating matches: 7 +1
Record: 2–5 Previous month 1–5
Opponents: 7 +1
Events: 2 0

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.

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

October 25, 2025 Georgia Plinck

Lion Cub Jiu Jitsu Competition 5 Girls GI / 6 & 7 years old (DAY 2: Sunday) / White & Grey belt / -24 & -27 kg

Method Points 03:00 4–16

Marginal influence -23

Win

October 25, 2025 Macey De Vos

Lion Cub Jiu Jitsu Competition 5 Girls GI / 6 & 7 years old (DAY 2: Sunday) / White & Grey belt / -24 & -27 kg

Method Points 03:00 2–0

Marginal influence +30

Loss

October 25, 2025 Chelsey Co

Lion Cub Jiu Jitsu Competition 5 Girls GI / 6 & 7 years old (DAY 2: Sunday) / White & Grey belt / -24 & -27 kg

Method Submission 01:10 2–4

Marginal influence -6

September 2025 No new matches Change 0 Rating 1,133

Rating-period composition

Rating matches: 6 0
Record: 1–5 Previous month 1–5
Opponents: 6 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.

Relevant matches: 4.2

Official ranking percentile: Top 69%

Performance: -

4.2 weighted matches against 3 different opponents across 2 events

Weighted win rate: -
Expected win rate: -
Average opponent rating: 1,385
Repeated-opponent share: 57.1%
Network connectivity: 80.9%