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River Van Daalen

Unity99

W–L
6–7
Won and lost rating-eligible matches in the past 12 months.
Gi
1,248
Rating based on Gi matches in the past 12 months.
No-Gi
1,328
Rating based on No-Gi matches in the past 12 months.
Current form
4–6
Results from the ten most recent rating-eligible matches.
Opponents
9
Unique opponents faced in rating-eligible matches in the past 12 months.

Scheduled

  1. Polaris Open the Netherlands

    the Netherlands

    Boys Gi / Grey / Junior / -44,0 kg Boys Nogi / Grey / Junior / -48,0 kg
    Confirmed

Tournament history

Events

8
Events
Date Event Result Format Division
Nijmegen Open BJJ 2026 the Netherlands · Gi · 10–12 yo · grey · ≤46 kg 1–2 W–L: Win / Loss Gi
  • Kids / 10 - 12 years boys / Grey / -46 kg
GrappleCity: Rotterdam Winter Open the Netherlands · Gi · 10–11 yo · grey · ≤40 kg ; No-Gi · 10–11 yo · grey · ≤40 kg 2–2 W–L: Win / Loss GiNo-Gi
  • Place #5
  • Kids NoGi / Grey / Kids 10-11 years / -40kg
Lion Cub Jiu Jitsu Competition 5 the Netherlands · Gi · 10 yo · grey/yellow · ≤42/46 kg ; No-Gi · 10–11 yo · grey · ≤42 kg 3–3 W–L: Win / Loss GiNo-Gi
  • Boys NO-GI / 10 & 11 years old (DAY 1: Saturday) / Grey belt / -42 kg
  • Place #5
Nijmegen Open BJJ 2025 the Netherlands · Gi · 10–12 yo · grey · ≤38 kg 1–2 W–L: Win / Loss Gi
  • Place #5
Lion Cub Jiu Jitsu Competition 4 the Netherlands · Gi · 10–11 yo · grey · ≤34 kg 3–1 W–L: Win / Loss Gi
  • Boys GI / 10 & 11 years old (DAY 1: Saturday) / Grey belt / -34 kg
'The Future League 4' by VERSUS the Netherlands · Gi · 8–10 yo · grey 3–1 W–L: Win / Loss Gi
  • 8 - 10 years boys & girls / Grey / -34 & -38
VERSUS 'The Future League' 3 (kids & teens) the Netherlands · Gi · 10–12 yo · ≤34 kg 1–3 W–L: Win / Loss Gi
  • Place #5
Lion Cub Jiu Jitsu Competition 3 the Netherlands · Gi · white · ≤34 kg 2–0 W–L: Win / Loss Gi
  • Boys / 8 - 9 Boys / White / -34 kg & -38 kg

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 +3 Rating 1,355

Rating-period composition

Rating matches
13 0
Record
6–7 Previous month 6–7
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 0 Rating 1,352

Rating-period composition

Rating matches
13 0
Record
6–7 Previous month 6–7
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 1,352

Rating-period composition

Rating matches
13 0
Record
6–7 Previous month 6–7
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 · 3 left period Change +2 Rating 1,351

Rating-period composition

Rating matches
13 0
Record
6–7 Previous month 6–7
Opponents
9 -2
Events
3 0

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.

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 Frits Van Est
Nijmegen Open BJJ 2026 Kids / 10 - 12 years boys / Grey / -46 kg
Method Points 03:00 0–5
Marginal influence -13
Win
May 30, 2026 Frits Van Est
Nijmegen Open BJJ 2026 Kids / 10 - 12 years boys / Grey / -46 kg
Method Decision 03:00 0–0
Marginal influence +8
Loss
May 30, 2026 Frits Van Est
Nijmegen Open BJJ 2026 Kids / 10 - 12 years boys / Grey / -46 kg
Method Points 03:00 6–9
Marginal influence -13
April 2026 No new matches · 4 left period Change -57 Rating 1,349

Rating-period composition

Rating matches
13 -4
Record
6–7 Previous month 9–8
Opponents
11 -4
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.

March 2026 No new matches Change +8 Rating 1,406

Rating-period composition

Rating matches
17 0
Record
9–8 Previous month 9–8
Opponents
15 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.

February 2026 No new matches Change +2 Rating 1,398

Rating-period composition

Rating matches
17 0
Record
9–8 Previous month 9–8
Opponents
15 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.

January 2026 No new matches · 4 left period Change -43 Rating 1,396

Rating-period composition

Rating matches
17 -4
Record
9–8 Previous month 12–9
Opponents
15 -3
Events
4 -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.

December 2025 No new matches Change 0 Rating 1,439

Rating-period composition

Rating matches
21 0
Record
12–9 Previous month 12–9
Opponents
18 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.

November 2025 4 new matches Change +29 Rating 1,439

Rating-period composition

Rating matches
21 +4
Record
12–9 Previous month 10–7
Opponents
18 +3
Events
5 +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 9, 2025 Noya De Levie
GrappleCity: Rotterdam Winter Open Kids Gi / Grey / Kids 10-11 years / -40kg
Method Points 05:00 8–0
Marginal influence +23
Loss
November 9, 2025 Bruce Broekhuizen
GrappleCity: Rotterdam Winter Open Kids NoGi / Grey / Kids 10-11 years / -40kg
Method Submission 00:08 0–0
Marginal influence 0
Win
November 9, 2025 Colin Schulze
GrappleCity: Rotterdam Winter Open Kids NoGi / Grey / Kids 10-11 years / -40kg
Method Submission 00:48 8–2
Marginal influence +22
Loss
November 9, 2025 Bruce Broekhuizen
GrappleCity: Rotterdam Winter Open Kids Gi / Grey / Kids 10-11 years / -40kg
Method Submission 01:14 0–0
Marginal influence -9
October 2025 6 new matches · 2 left period Change -61 Rating 1,410

Rating-period composition

Rating matches
17 +4
Record
10–7 Previous month 9–4
Opponents
15 +2
Events
4 0

2 older matches left the 12-month period: 2 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 Jawad Herzallah
Lion Cub Jiu Jitsu Competition 5 Boys GI / 10 years old (DAY 1: Saturday) / Grey & Yellow belt / -42 & -46 kg
Method Submission 00:54 11–2
Marginal influence +7
Loss
October 25, 2025 Mohammed Safy
Lion Cub Jiu Jitsu Competition 5 Boys GI / 10 years old (DAY 1: Saturday) / Grey & Yellow belt / -42 & -46 kg
Method Points 03:00 0–11
Marginal influence -17
Loss
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 Decision 03:00 0–0
Marginal influence -15
Loss
October 25, 2025 Cas Van Den Meerendonk
Lion Cub Jiu Jitsu Competition 5 Boys NO-GI / 10 & 11 years old (DAY 1: Saturday) / Grey belt / -42 kg
Method Points 03:00 2–17
Marginal influence -4
Win
October 25, 2025 Jawad Herzallah
Lion Cub Jiu Jitsu Competition 5 Boys NO-GI / 10 & 11 years old (DAY 1: Saturday) / Grey belt / -42 kg
Method Submission 01:52 10–0
Marginal influence +13
Win
October 25, 2025 Lian Schlusen
Lion Cub Jiu Jitsu Competition 5 Boys NO-GI / 10 & 11 years old (DAY 1: Saturday) / Grey belt / -42 kg
Method Points 03:00 10–4
Marginal influence +16
September 2025 No new matches Change +4 Rating 1,471

Rating-period composition

Rating matches
13 0
Record
9–4 Previous month 9–4
Opponents
13 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
9.2
Official ranking percentile
Top 42%
Performance
6.0 pp above expectation

9.2 weighted matches against 9 different opponents across 3 events

Weighted win rate
48.6%
Expected win rate
42.6%
Average opponent rating
1,429
Repeated-opponent share
30.8%
Network connectivity
87.6%

Classification evidence

Why U14?

Within the published period from 2025-09-01 through 2026-08-31, only competition ages recorded at events in the calculation year determine this outcome, with at most one vote per event. Without such an age, the most recent unambiguous earlier competition age is projected to the calculation year; bracket evidence is the final fallback. The newest evidence breaks a tie.

Evidence outcome

  • U14 1 event vote Selected outcome

Registrations and outcomes

Nijmegen Open BJJ 2026
U14 · Counts
Kids / 10 - 12 years boys / Grey / -46 kg
  • Competition age 12
  • Registered age: u12
  • Source category: u12
GrappleCity: Rotterdam Winter Open
Does not count
Kids NoGi / Grey / Kids 10-11 years / -40kg
  • Competition age 11
  • Registered age: u12
  • Source category: u12
Kids Gi / Grey / Kids 10-11 years / -40kg
  • Competition age 11
  • Registered age: u12
  • Source category: u12
Lion Cub Jiu Jitsu Competition 5
Does not count
Boys NO-GI / 10 & 11 years old (DAY 1: Saturday) / Grey belt / -42 kg
  • Competition age 11
  • Registered age: u12
  • Source category: u12
Boys GI / 10 years old (DAY 1: Saturday) / Grey & Yellow belt / -42 & -46 kg
  • Competition age 11
  • Registered age: u12
  • Source category: u12

Classification evidence

Why ≤ 40 kg?

This outcome uses at most one unambiguous upper weight limit per completed ranking event from 2025-09-01 through 2026-08-31. Only the three most recent eligible events are considered, and the lightest verified upper limit is selected. A higher division is not treated as measured body weight.

Evidence outcome

  • ≤ 40 kg 1 competition event Selected outcome
  • ≤ 42 kg 1 competition event
  • ≤ 46 kg 1 competition event

Registrations and outcomes

Nijmegen Open BJJ 2026
≤ 46 kg · Counts as a competition event
Kids / 10 - 12 years boys / Grey / -46 kg
  • Registered weight class: -46 kg
  • Source competition limit: -46 kg

3 matches in the rating period

GrappleCity: Rotterdam Winter Open
≤ 40 kg · Counts as a competition event
Kids NoGi / Grey / Kids 10-11 years / -40kg
  • Registered weight class: -40kg
  • Source competition limit: -40kg

2 matches in the rating period

GrappleCity: Rotterdam Winter Open
≤ 40 kg · Counts as a competition event
Kids Gi / Grey / Kids 10-11 years / -40kg
  • Registered weight class: -40kg
  • Source competition limit: -40kg

2 matches in the rating period

Lion Cub Jiu Jitsu Competition 5
≤ 42 kg · Counts as a competition event
Boys NO-GI / 10 & 11 years old (DAY 1: Saturday) / Grey belt / -42 kg
  • Registered weight class: -42 kg
  • Source competition limit: -42 kg

3 matches in the rating period

Lion Cub Jiu Jitsu Competition 5
≤ 42 kg · Counts as a competition event
Boys GI / 10 years old (DAY 1: Saturday) / Grey & Yellow belt / -42 & -46 kg
  • Registered weight class: -42 kg
  • Source competition limit: -42 kg

3 matches in the rating period

Classification evidence

Why Grey?

This outcome uses the belt category of every rating-eligible match from 2025-09-01 through 2026-08-31. The most-fought category is selected; the newest evidence breaks a tie.

Evidence outcome

  • grey 13 matches in the rating period Selected outcome

Registrations and outcomes

Nijmegen Open BJJ 2026
grey · Counts as a match
Kids / 10 - 12 years boys / Grey / -46 kg
  • Source belt category: grey

3 matches in the rating period

GrappleCity: Rotterdam Winter Open
grey · Counts as a match
Kids Gi / Grey / Kids 10-11 years / -40kg
  • Source belt category: grey

2 matches in the rating period

GrappleCity: Rotterdam Winter Open
grey · Counts as a match
Kids NoGi / Grey / Kids 10-11 years / -40kg
  • Source belt category: grey

2 matches in the rating period

Lion Cub Jiu Jitsu Competition 5
grey · Counts as a match
Boys GI / 10 years old (DAY 1: Saturday) / Grey & Yellow belt / -42 & -46 kg
  • Source belt category: grey

3 matches in the rating period

Lion Cub Jiu Jitsu Competition 5
grey · Counts as a match
Boys NO-GI / 10 & 11 years old (DAY 1: Saturday) / Grey belt / -42 kg
  • Source belt category: grey

3 matches in the rating period