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John Birking

MATHIAS RIBEIRO TEAM

U10 -29,0 kg
W–L
-
Won and lost rating-eligible matches in the past 12 months.
Gi
-
Rating based on Gi matches in the past 12 months.
No-Gi
-
Rating based on No-Gi matches in the past 12 months.
Current form
3–1
Results from the ten most recent rating-eligible matches.
Opponents
-
Unique opponents faced in rating-eligible matches in the past 12 months.

Honours

Medals and placements

Gold
5
Silver
1
Bronze
0
Total medals
6
Events with results
4

Full career record

Wins
13
Losses
1
Matches
14
Win rate
92.9%

Ways of winning

Submission
10
Points
3
Decision
0
Disqualification
0

Personal records

Longest winning streak
12
Longest submission streak
8
Longest gold streak
3

Recent recorded placements

  4. ÉLITE KIDS BJJ - GRAPPLING 3

    FR Event record 6–0

    • Tournoi GI / U7 / Fille garçons melangés / -25 kg / Un seul niveau
    • Tournoi NOGI / U7 / Fille garçons melangés / -25 kg / Un seul niveau

12-month performance profile

How the results were achieved

Past 12 months
Current win streak
1
Unique opponents
10
Distinct events
1

Ways of winning

  • Submission 3 100%
  • Points 0 0%
  • Decision 0 0%
  • Other recorded result 0 0%

Gi versus No-Gi

Gi

Rating
-
Record
1–1
Win rate
50%
Submission share
100%

No-Gi

Rating
-
Record
2–0
Win rate
100%
Submission share
100%

Win quality

Grouped by pre-match win probability. This provides context and does not award an extra rating bonus.

As underdog 0–0 Less than 35% expected win probability before the match.
Even match 0–0 Between 35% and 65% expected win probability before the match.
As favourite 0–0 More than 65% expected win probability before the match.

Development

Rating and development

The same published rating, supported by trend, opponent strength and evidence quality.

Current rating
-
Change over 90 days
-
Highest rating in 12 months
1,463
Performance versus expectation
-
Schedule strength
-
Average opponent rating
-
Weighted win rate
-
Expected win rate
-
Repeat-opponent share
-
Effective evidence
-
Confidence
-

Opponents

Opposition and rivalries

The strongest recorded win, rematches and opponents faced repeatedly.

Rematches 7–1 7–1 across 8 rematches against 4 repeat opponents.

Top 10 highest-ranked defeated opponents

Past 12 months

No win over a currently ranked opponent in this period.

Full career

  1. #34 Balian Khedhiri · ÉLITE KIDS BJJ - GRAPPLING 3 Pts 6–4 Earlier · Sub 01:04 0–6 January 25, 2025 · ÉLITE KIDS BJJ - GRAPPLING 3
  2. #54 RAHIM AIT ADDA · ÉLITE KIDS BJJ - GRAPPLING 3 Sub 00:51 0–4 Earlier · Pts 9–2 January 25, 2025 · ÉLITE KIDS BJJ - GRAPPLING 3
  3. #303 Maâlik Hanniche · ÉLITE KIDS BJJ - GRAPPLING 3 Pts 13–0
  4. #987 Isaac Drack · ÉLITE KIDS BJJ - GRAPPLING 3 Sub 00:47 3–2

Rivals

Opponent Head-to-head record Matches
Balian Khedhiri 2–0 2

Recent tournaments

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.

December 2025 No new matches Change +3 Rating 1,477

Rating-period composition

Rating matches
6 0
Record
6–0 Previous month 6–0
Opponents
4 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.

November 2025 No new matches Change +5 Rating 1,474

Rating-period composition

Rating matches
6 0
Record
6–0 Previous month 6–0
Opponents
4 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.

October 2025 No new matches Change +3 Rating 1,469

Rating-period composition

Rating matches
6 0
Record
6–0 Previous month 6–0
Opponents
4 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.

September 2025 No new matches Change +3 Rating 1,466

Rating-period composition

Rating matches
6 0
Record
6–0 Previous month 6–0
Opponents
4 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.

Relevant matches
-
Official ranking percentile
-
Performance
-

- weighted matches against - different opponents across 1 events

Weighted win rate
-
Expected win rate
-
Average opponent rating
-
Repeated-opponent share
-
Network connectivity
-