Boaz Van Der Bom - Rating

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 · 5 left period Change +24 Rating 1,459

Rating-period composition

Rating matches: 25 -5
Record: 14–11 Previous month 15–15
Opponents: 14 -4
Events: 5 -1

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

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

Rating-period composition

Rating matches: 30 0
Record: 15–15 Previous month 15–15
Opponents: 18 0
Events: 6 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 1,436

Rating-period composition

Rating matches: 30 0
Record: 15–15 Previous month 15–15
Opponents: 18 0
Events: 6 0

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

May 2026 10 new matches · 4 left period Change +34 Rating 1,437

Rating-period composition

Rating matches: 30 +6
Record: 15–15 Previous month 11–13
Opponents: 18 +2
Events: 6 +1

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

May 30, 2026 Mees Van Santen

Nijmegen Open BJJ 2026 Kids / 10 - 12 years boys / Yellow / -42 kg

Method Submission 01:01 9–0

Marginal influence +6

Win

May 30, 2026 Dex Van Rijswijck

Nijmegen Open BJJ 2026 Kids / 10 - 12 years boys / Yellow / -42 kg

Method Points 03:00 6–0

Marginal influence +11

Win

May 30, 2026 Muhammad Hotak

Nijmegen Open BJJ 2026 Kids / 10 - 12 years boys / Yellow / -42 kg

Method Submission 00:40 0–0

Marginal influence +14

Win

May 30, 2026 Alexander Wouters

Nijmegen Open BJJ 2026 Kids / 10 - 12 years boys / Yellow / -42 kg

Method Points 03:00 15–0

Marginal influence +7

Win

May 9, 2026 Noah Liberato

Lion Cub Jiu Jitsu Competition 6 Boys GI / 12 - 14 years old (DAY 1: Saturday) / Yellow belt / -42 & -46 kg

Method Points 03:00 5–0

Marginal influence +10

Loss

May 9, 2026 Noah Liberato

Lion Cub Jiu Jitsu Competition 6 Boys NO-GI / 11 & 12 years old (DAY 1: Saturday) / Yellow belt / -42 kg

Method Decision 03:00 2–2

Marginal influence -9

Win

May 9, 2026 Dex Van Rijswijck

Lion Cub Jiu Jitsu Competition 6 Boys NO-GI / 11 & 12 years old (DAY 1: Saturday) / Yellow belt / -42 kg

Method Points 03:00 2–0

Marginal influence +4

Loss

May 9, 2026 Bruce Broekhuizen

Lion Cub Jiu Jitsu Competition 6 Boys NO-GI / 11 & 12 years old (DAY 1: Saturday) / Yellow belt / -42 kg

Method Submission 00:10 0–0

Marginal influence -5

Win

May 9, 2026 Ian Lijffijt

Lion Cub Jiu Jitsu Competition 6 Boys GI / 12 - 14 years old (DAY 1: Saturday) / Yellow belt / -42 & -46 kg

Method Submission 01:33 12–0

Marginal influence +10

Win

May 9, 2026 Bruce Broekhuizen

Lion Cub Jiu Jitsu Competition 6 Boys GI / 12 - 14 years old (DAY 1: Saturday) / Yellow belt / -42 & -46 kg

Method Submission 01:23 0–0

Marginal influence +15

April 2026 No new matches · 6 left period Change -67 Rating 1,403

Rating-period composition

Rating matches: 24 -6
Record: 11–13 Previous month 17–13
Opponents: 16 -5
Events: 5 -1

6 older matches left the 12-month period: 6 won and 0 lost. The rating is then recalculated across the full network, so the monthly change is not a sum of separate deductions.

March 2026 10 new matches · 4 left period Change -38 Rating 1,470

Rating-period composition

Rating matches: 30 +6
Record: 17–13 Previous month 17–7
Opponents: 21 +1
Events: 6 +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.

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 Elyaino Lawalata

International Veluwe Open Jiu Jitsu Championship 2026 GI & NO-GI Kids GI / 10 - 12 years boys / Yellow & Orange / -42 kg

Method Points 03:00 4–3

Marginal influence +11

Loss

March 28, 2026 Furkan Kat

International Veluwe Open Jiu Jitsu Championship 2026 GI & NO-GI Kids GI / 10 - 12 years boys / Yellow & Orange / -42 kg

Method Points 03:00 2–2

Marginal influence -9

Win

March 28, 2026 Ines Hammadi

International Veluwe Open Jiu Jitsu Championship 2026 GI & NO-GI Kids GI / 10 - 12 years boys / Yellow & Orange / -42 kg

Method Submission 03:00 7–0

Marginal influence +10

Win

March 28, 2026 Noah Liberato

International Veluwe Open Jiu Jitsu Championship 2026 GI & NO-GI Kids GI / 10 - 12 years boys / Yellow & Orange / -42 kg

Method Points 03:00 4–2

Marginal influence +9

Loss

March 1, 2026 Bruce Broekhuizen

Grappling Industries AMSTERDAM No Gi Kids / 12 - 13 years (Male) / Advanced (Yellow/Orange) / -95 lbs

Method Points 03:00 2–6

Marginal influence -5

Loss

March 1, 2026 Mykyta Svidnytskyi

Grappling Industries AMSTERDAM No Gi Kids / 12 - 13 years (Male) / Advanced (Yellow/Orange) / -95 lbs

Method Submission 02:50 0–6

Marginal influence -11

Loss

March 1, 2026 Furkan Kat

Grappling Industries AMSTERDAM No Gi Kids / 12 - 13 years (Male) / Advanced (Yellow/Orange) / -95 lbs

Method Points 03:00 0–8

Marginal influence -12

Loss

March 1, 2026 Mykyta Svidnytskyi

Grappling Industries AMSTERDAM Gi Kids / 12 - 13 years (Male) / Yellow/Orange / -95 lbs

Method Points 03:00 0–3

Marginal influence -9

Loss

March 1, 2026 Furkan Kat

Grappling Industries AMSTERDAM Gi Kids / 12 - 13 years (Male) / Yellow/Orange / -95 lbs

Method Decision 03:00 0–0

Marginal influence -10

Loss

March 1, 2026 Bruce Broekhuizen

Grappling Industries AMSTERDAM Gi Kids / 12 - 13 years (Male) / Yellow/Orange / -95 lbs

Method Submission 01:11 0–2

Marginal influence -5

February 2026 No new matches Change +4 Rating 1,508

Rating-period composition

Rating matches: 24 0
Record: 17–7 Previous month 17–7
Opponents: 20 0
Events: 5 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 · 3 left period Change +2 Rating 1,504

Rating-period composition

Rating matches: 24 -3
Record: 17–7 Previous month 18–9
Opponents: 20 0
Events: 5 -1

3 older matches left the 12-month period: 1 won and 2 lost. The rating is then recalculated across the full network, so the monthly change is not a sum of separate deductions.

December 2025 No new matches Change +1 Rating 1,502

Rating-period composition

Rating matches: 27 0
Record: 18–9 Previous month 18–9
Opponents: 20 0
Events: 6 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 -5 Rating 1,501

Rating-period composition

Rating matches: 27 0
Record: 18–9 Previous month 18–9
Opponents: 20 0
Events: 6 0

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

October 2025 5 new matches · 4 left period Change -21 Rating 1,506

Rating-period composition

Rating matches: 27 +1
Record: 18–9 Previous month 19–7
Opponents: 20 0
Events: 6 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.

Loss

October 25, 2025 Noah Liberato

Lion Cub Jiu Jitsu Competition 5 Boys GI / 11 & 12 years old (DAY 1: Saturday) / Yellow & Orange belt / -38 & -42 kg

Method Points 03:00 0–2

Marginal influence -6

Loss

October 25, 2025 Sonny Van Heeswijk

Lion Cub Jiu Jitsu Competition 5 Boys GI / 11 & 12 years old (DAY 1: Saturday) / Yellow & Orange belt / -38 & -42 kg

Method Submission 00:46 0–0

Marginal influence -9

Win

October 25, 2025 Kevin Anker

Lion Cub Jiu Jitsu Competition 5 Boys GI / 11 & 12 years old (DAY 1: Saturday) / Yellow & Orange belt / -38 & -42 kg

Method Submission 01:44 10–0

Marginal influence +8

Win

October 25, 2025 Eliam Rosies

Lion Cub Jiu Jitsu Competition 5 Boys NO-GI / 11 & 12 years old (DAY 1: Saturday) / Yellow & Orange belt / -34 & -38 kg

Method Submission 01:42 0–0

Marginal influence +4

Win

October 25, 2025 Noah Liberato

Lion Cub Jiu Jitsu Competition 5 Boys NO-GI / 11 & 12 years old (DAY 1: Saturday) / Yellow & Orange belt / -34 & -38 kg

Method Submission 02:55 6–2

Marginal influence +7

September 2025 No new matches Change +1 Rating 1,527

Rating-period composition

Rating matches: 26 0
Record: 19–7 Previous month 19–7
Opponents: 20 0
Events: 6 0

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

Relevant matches: 16

Official ranking percentile: Top 13%

Performance: 12.5 pp above expectation

16 weighted matches against 14 different opponents across 5 events

Weighted win rate: 58.5%
Expected win rate: 46.0%
Average opponent rating: 1,436
Repeated-opponent share: 44.0%
Network connectivity: 80.9%