Jay Poort - 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 +4 Rating 1,439

Rating-period composition

Rating matches: 8 0
Record: 7–1 Previous month 7–1
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.

July 2026 No new matches Change -2 Rating 1,435

Rating-period composition

Rating matches: 8 0
Record: 7–1 Previous month 7–1
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.

June 2026 No new matches Change +5 Rating 1,437

Rating-period composition

Rating matches: 8 0
Record: 7–1 Previous month 7–1
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.

May 2026 4 new matches · 5 left period Change +65 Rating 1,432

Rating-period composition

Rating matches: 8 -1
Record: 7–1 Previous month 5–4
Opponents: 6 +2
Events: 2 0

5 older matches left the 12-month period: 2 won and 3 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

May 9, 2026 Euan Besems

Lion Cub Jiu Jitsu Competition 6 Boys NO-GI / 12 & 13 years old (DAY 1: Saturday) / Grey belt / -46 & -50 kg

Method Decision 00:31 2–6

Marginal influence +28

Win

May 9, 2026 Romaoric Van Rijnsoever

Lion Cub Jiu Jitsu Competition 6 Boys NO-GI / 12 & 13 years old (DAY 1: Saturday) / Grey belt / -46 & -50 kg

Method Points 04:00 9–0

Marginal influence +8

Win

May 9, 2026 Mayson Bonte

Lion Cub Jiu Jitsu Competition 6 Boys NO-GI / 12 & 13 years old (DAY 1: Saturday) / Grey belt / -46 & -50 kg

Method Submission 01:06 2–2

Marginal influence +17

Win

May 9, 2026 Rayan Mouhdad

Lion Cub Jiu Jitsu Competition 6 Boys NO-GI / 12 & 13 years old (DAY 1: Saturday) / Grey belt / -46 & -50 kg

Method Submission 03:11 2–4

Marginal influence +19

April 2026 No new matches · 7 left period Change -14 Rating 1,367

Rating-period composition

Rating matches: 9 -7
Record: 5–4 Previous month 8–8
Opponents: 4 -5
Events: 2 -1

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

March 2026 4 new matches Change +51 Rating 1,381

Rating-period composition

Rating matches: 16 +4
Record: 8–8 Previous month 5–7
Opponents: 9 +2
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

March 28, 2026 Rayan Mouhdad

International Veluwe Open Jiu Jitsu Championship 2026 GI & NO-GI Kids No-GI / 13 - 15 years / White & Grey / -46 kg & -50 kg

Method Submission 02:16 7–2

Marginal influence +19

Win

March 28, 2026 Jesse Van Den Berg

International Veluwe Open Jiu Jitsu Championship 2026 GI & NO-GI Kids No-GI / 13 - 15 years / White & Grey / -46 kg & -50 kg

Method Submission 02:06 6–0

Marginal influence +8

Win

March 28, 2026 Amy Broodkoorn

International Veluwe Open Jiu Jitsu Championship 2026 GI & NO-GI Kids No-GI / 13 - 15 years / White & Grey / -46 kg & -50 kg

Method Points 04:00 8–6

Marginal influence +28

Loss

March 28, 2026 Euan Besems

International Veluwe Open Jiu Jitsu Championship 2026 GI & NO-GI Kids No-GI / 13 - 15 years / White & Grey / -46 kg & -50 kg

Method Points 04:00 0–11

Marginal influence -20

February 2026 No new matches · 3 left period Change -48 Rating 1,330

Rating-period composition

Rating matches: 12 -3
Record: 5–7 Previous month 8–7
Opponents: 7 -1
Events: 2 -1

3 older matches left the 12-month period: 3 won and 0 lost. The rating is then recalculated across the full network, so the monthly change is not a sum of separate deductions.

January 2026 No new matches Change +1 Rating 1,378

Rating-period composition

Rating matches: 15 0
Record: 8–7 Previous month 8–7
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 0 Rating 1,377

Rating-period composition

Rating matches: 15 0
Record: 8–7 Previous month 8–7
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 +3 Rating 1,377

Rating-period composition

Rating matches: 15 0
Record: 8–7 Previous month 8–7
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 No new matches · 4 left period Change -30 Rating 1,374

Rating-period composition

Rating matches: 15 -4
Record: 8–7 Previous month 11–8
Opponents: 8 -3
Events: 3 -1

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

September 2025 No new matches Change +1 Rating 1,404

Rating-period composition

Rating matches: 19 0
Record: 11–8 Previous month 11–8
Opponents: 11 0
Events: 4 0

No matches were added or left the period. The change comes from the monthly revaluation of opponents across the full network.

Relevant matches: 4.8

Official ranking percentile: Top 18%

Performance: -

4.8 weighted matches against 6 different opponents across 2 events

Weighted win rate: -
Expected win rate: -
Average opponent rating: 1,446
Repeated-opponent share: 25.0%
Network connectivity: 80.9%