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Collin Rehburg

HAUSE739 JIU-JITSU

W–L
3–6
Won and lost rating-eligible matches in the past 12 months.
Gi
1,199
Rating based on Gi matches in the past 12 months.
No-Gi
1,181
Rating based on No-Gi matches in the past 12 months.
Current form
3–6
Results from the ten most recent rating-eligible matches.
Opponents
6
Unique opponents faced in rating-eligible matches in the past 12 months.

Indexed career

Matches

9
Indexed competition matches
Date Opponent Result Event Division
2026-06-27 Abdullah Musajev
Loss
GERMAN NATIONAL OPEN CHAMPIONSHIP 2026 No-Gi · Boys No-Gi (under 16 y.o.) / White / 8-9 years / -30 kg
2026-06-27 Cedric Kleinekort
Loss
GERMAN NATIONAL OPEN CHAMPIONSHIP 2026 No-Gi · Boys No-Gi (under 16 y.o.) / White / 8-9 years / -30 kg
2026-06-27 Leo Steinmeier
Win
GERMAN NATIONAL OPEN CHAMPIONSHIP 2026 No-Gi · Boys No-Gi (under 16 y.o.) / White / 8-9 years / -30 kg
2026-06-27 Leo Steinmeier
Win
GERMAN NATIONAL OPEN CHAMPIONSHIP 2026 Gi · Boys Gi (under 16 y.o.) / White / 8-9 years / -30 kg
2026-06-27 Abdullah Musajev
Loss
GERMAN NATIONAL OPEN CHAMPIONSHIP 2026 Gi · Boys Gi (under 16 y.o.) / White / 8-9 years / -30 kg
2026-06-27 Cedric Kleinekort
Loss
GERMAN NATIONAL OPEN CHAMPIONSHIP 2026 Gi · Boys Gi (under 16 y.o.) / White / 8-9 years / -30 kg
2026-04-18 Amar Musa Taleh
Loss
FRANKFURT SPRING OPEN CHAMPIONSHIP 2026 I EUROPEAN CUP Gi · Boys Gi (under 16 y.o.) / White / 8-9 years / -30 kg
2026-04-18 Malik Boui
Loss
FRANKFURT SPRING OPEN CHAMPIONSHIP 2026 I EUROPEAN CUP Gi · Boys Gi (under 16 y.o.) / White / 8-9 years / -30 kg
2026-04-18 Iven Maas
Win
FRANKFURT SPRING OPEN CHAMPIONSHIP 2026 I EUROPEAN CUP Gi · Boys Gi (under 16 y.o.) / White / 8-9 years / -30 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 -2 Rating 1,264

Rating-period composition

Rating matches
9 0
Record
3–6 Previous month 3–6
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 +3 Rating 1,266

Rating-period composition

Rating matches
9 0
Record
3–6 Previous month 3–6
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 6 new matches Change +97 Rating 1,263

Rating-period composition

Rating matches
9 +6
Record
3–6 Previous month 1–2
Opponents
6 +3
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
June 27, 2026 Abdullah Musajev
GERMAN NATIONAL OPEN CHAMPIONSHIP 2026 Boys No-Gi (under 16 y.o.) / White / 8-9 years / -30 kg
Method Points 03:00 2–17
Marginal influence -5
Loss
June 27, 2026 Cedric Kleinekort
GERMAN NATIONAL OPEN CHAMPIONSHIP 2026 Boys No-Gi (under 16 y.o.) / White / 8-9 years / -30 kg
Method Submission 00:59 0–2
Marginal influence -6
Win
June 27, 2026 Leo Steinmeier
GERMAN NATIONAL OPEN CHAMPIONSHIP 2026 Boys No-Gi (under 16 y.o.) / White / 8-9 years / -30 kg
Method Submission 00:35 6–0
Marginal influence +10
Win
June 27, 2026 Leo Steinmeier
GERMAN NATIONAL OPEN CHAMPIONSHIP 2026 Boys Gi (under 16 y.o.) / White / 8-9 years / -30 kg
Method Submission 01:38 15–0
Marginal influence +24
Loss
June 27, 2026 Abdullah Musajev
GERMAN NATIONAL OPEN CHAMPIONSHIP 2026 Boys Gi (under 16 y.o.) / White / 8-9 years / -30 kg
Method Points 03:00 0–12
Marginal influence -12
Loss
June 27, 2026 Cedric Kleinekort
GERMAN NATIONAL OPEN CHAMPIONSHIP 2026 Boys Gi (under 16 y.o.) / White / 8-9 years / -30 kg
Method Submission 01:05 0–7
Marginal influence -16
May 2026 No new matches Change 0 Rating 1,166

Rating-period composition

Rating matches
3 0
Record
1–2 Previous month 1–2
Opponents
3 0
Events
1 0

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

April 2026 3 new matches Change Starting point Rating 1,166

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
April 18, 2026 Amar Musa Taleh
FRANKFURT SPRING OPEN CHAMPIONSHIP 2026 I EUROPEAN CUP Boys Gi (under 16 y.o.) / White / 8-9 years / -30 kg
Method Submission 03:40 0–18
Marginal influence -14
Loss
April 18, 2026 Malik Boui
FRANKFURT SPRING OPEN CHAMPIONSHIP 2026 I EUROPEAN CUP Boys Gi (under 16 y.o.) / White / 8-9 years / -30 kg
Method Submission 01:25 3–0
Marginal influence -19
Win
April 18, 2026 Iven Maas
FRANKFURT SPRING OPEN CHAMPIONSHIP 2026 I EUROPEAN CUP Boys Gi (under 16 y.o.) / White / 8-9 years / -30 kg
Method Points 04:00 11–4
Marginal influence +13
Relevant matches
6.8
Official ranking percentile
Top 71%
Performance
-

6.8 weighted matches against 6 different opponents across 2 events

Weighted win rate
-
Expected win rate
-
Average opponent rating
1,352
Repeated-opponent share
33.3%
Network connectivity
87.6%

Classification evidence

Why U10?

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

  • U10 2 event votes Selected outcome

Registrations and outcomes

GERMAN NATIONAL OPEN CHAMPIONSHIP 2026
U10 · Counts
Boys No-Gi (under 16 y.o.) / White / 8-9 years / -30 kg
  • Competition age 9
  • Registered age: u10
  • Source category: u10
Boys Gi (under 16 y.o.) / White / 8-9 years / -30 kg
  • Competition age 9
  • Registered age: u10
  • Source category: u10
FRANKFURT SPRING OPEN CHAMPIONSHIP 2026 I EUROPEAN CUP
U10 · Counts
Boys Gi (under 16 y.o.) / White / 8-9 years / -30 kg
  • Competition age 9
  • Registered age: u10
  • Source category: u10

Classification evidence

Why ≤ 30 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

  • ≤ 30 kg 2 competition events Selected outcome

Registrations and outcomes

GERMAN NATIONAL OPEN CHAMPIONSHIP 2026
≤ 30 kg · Counts as a competition event
Boys No-Gi (under 16 y.o.) / White / 8-9 years / -30 kg
  • Registered weight class: -30 kg
  • Source competition limit: -30 kg

3 matches in the rating period

GERMAN NATIONAL OPEN CHAMPIONSHIP 2026
≤ 30 kg · Counts as a competition event
Boys Gi (under 16 y.o.) / White / 8-9 years / -30 kg
  • Registered weight class: -30 kg
  • Source competition limit: -30 kg

3 matches in the rating period

FRANKFURT SPRING OPEN CHAMPIONSHIP 2026 I EUROPEAN CUP
≤ 30 kg · Counts as a competition event
Boys Gi (under 16 y.o.) / White / 8-9 years / -30 kg
  • Registered weight class: -30 kg
  • Source competition limit: -30 kg

3 matches in the rating period

Classification evidence

Why White?

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

  • white 9 matches in the rating period Selected outcome

Registrations and outcomes

GERMAN NATIONAL OPEN CHAMPIONSHIP 2026
white · Counts as a match
Boys No-Gi (under 16 y.o.) / White / 8-9 years / -30 kg
  • Source belt category: white

3 matches in the rating period

GERMAN NATIONAL OPEN CHAMPIONSHIP 2026
white · Counts as a match
Boys Gi (under 16 y.o.) / White / 8-9 years / -30 kg
  • Source belt category: white

3 matches in the rating period

FRANKFURT SPRING OPEN CHAMPIONSHIP 2026 I EUROPEAN CUP
white · Counts as a match
Boys Gi (under 16 y.o.) / White / 8-9 years / -30 kg
  • Source belt category: white

3 matches in the rating period