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Calculation details

Rating breakdown for the past 12 months

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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 +5 Rating 1,325

Rating-period composition

Rating matches
7 0
Record
4–3 Previous month 4–3
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.

July 2026 No new matches Change -1 Rating 1,320

Rating-period composition

Rating matches
7 0
Record
4–3 Previous month 4–3
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.

June 2026 No new matches Change +7 Rating 1,321

Rating-period composition

Rating matches
7 0
Record
4–3 Previous month 4–3
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.

May 2026 3 new matches · 2 left period Change -14 Rating 1,314

Rating-period composition

Rating matches
7 +1
Record
4–3 Previous month 4–2
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
May 30, 2026 Euan Besems
Nijmegen Open BJJ 2026 Kids / 10 - 12 years boys / Yellow & Orange / -46 & -50 kg
Method Points 03:00 0–8
Marginal influence -13
Loss
May 30, 2026 Julius Van Leijen
Nijmegen Open BJJ 2026 Kids / 10 - 12 years boys / Yellow & Orange / -46 & -50 kg
Method Decision 03:00 0–0
Marginal influence -36
Loss
Nijmegen Open BJJ 2026 Kids / 10 - 12 years boys / Yellow & Orange / -46 & -50 kg
Method Submission 02:02 0–0
Marginal influence -16
April 2026 No new matches · 2 left period Change -24 Rating 1,328

Rating-period composition

Rating matches
6 -2
Record
4–2 Previous month 5–3
Opponents
6 -2
Events
2 -1

2 older matches left the 12-month period: 1 won and 1 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 +5 Rating 1,352

Rating-period composition

Rating matches
8 0
Record
5–3 Previous month 5–3
Opponents
8 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.

February 2026 No new matches Change 0 Rating 1,347

Rating-period composition

Rating matches
8 0
Record
5–3 Previous month 5–3
Opponents
8 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.

January 2026 No new matches Change -1 Rating 1,347

Rating-period composition

Rating matches
8 0
Record
5–3 Previous month 5–3
Opponents
8 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.

December 2025 No new matches Change -1 Rating 1,348

Rating-period composition

Rating matches
8 0
Record
5–3 Previous month 5–3
Opponents
8 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.

November 2025 No new matches Change 0 Rating 1,349

Rating-period composition

Rating matches
8 0
Record
5–3 Previous month 5–3
Opponents
8 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.

October 2025 4 new matches · 4 left period Change -2 Rating 1,349

Rating-period composition

Rating matches
8 0
Record
5–3 Previous month 5–3
Opponents
8 0
Events
3 0

4 older matches left the 12-month period: 4 won and 0 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.
Win
October 25, 2025 Melle Borman
Lion Cub Jiu Jitsu Competition 5 Boys GI / 10 years old (DAY 1: Saturday) / Grey & Yellow belt / -42 & -46 kg
Method Submission 01:04 4–0
Marginal influence +35
Win
October 25, 2025 River Van Daalen
Lion Cub Jiu Jitsu Competition 5 Boys GI / 10 years old (DAY 1: Saturday) / Grey & Yellow belt / -42 & -46 kg
Method Points 03:00 11–0
Marginal influence +25
Win
October 25, 2025 Jawad Herzallah
Lion Cub Jiu Jitsu Competition 5 Boys GI / 10 years old (DAY 1: Saturday) / Grey & Yellow belt / -42 & -46 kg
Method Submission 00:41 9–0
Marginal influence +14
Win
October 25, 2025 Alexander Klak
Lion Cub Jiu Jitsu Competition 5 Boys GI / 10 years old (DAY 1: Saturday) / Grey & Yellow belt / -42 & -46 kg
Method Points 03:00 6–0
Marginal influence +26
September 2025 No new matches Change +1 Rating 1,351

Rating-period composition

Rating matches
8 0
Record
5–3 Previous month 5–3
Opponents
8 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.

Relevant matches
5.1
Official ranking percentile
Top 52%
Performance
-

5.1 weighted matches against 7 different opponents across 2 events

Weighted win rate
-
Expected win rate
-
Average opponent rating
1,395
Repeated-opponent share
0.0%
Network connectivity
80.9%