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Maik Grunsven

Gracie Barra Oss

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
-
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
3
Silver
4
Bronze
3
Total medals
10
Events with results
7

Full career record

Wins
15
Losses
4
Matches
19
Win rate
78.9%

Ways of winning

Submission
9
Points
5
Decision
0
Disqualification
0

Personal records

Longest winning streak
6
Longest submission streak
4
Longest gold streak
2
Largest recorded points win
9–0

Recent recorded placements

  1. BJJ Dutch Open 2025

    NL Event record 0–0

    • Silver
    • Place 9

  3. Grappling Industries AMSTERDAM

    NL Event record 2–2

    • No Gi Kids / Beginner (White) / 16 - 17 years (Male) / -155 lbs
    • Gi Kids / White / 16 - 17 years (Male) / -155 lbs

  4. King of the Beach 2024

    NL Event record 4–2

    • Saturday No-Gi Kids / 13 - 15 boys / White / -70 kg
    • Sunday Kids Gi / 13 - 15 years boys / White & Grey & Green / -70 & +70 kg

12-month performance profile

How the results were achieved

Past 12 months
Current win streak
4
Unique opponents
17
Distinct events
0

Ways of winning

  • Submission 0
  • Points 0
  • Decision 0
  • Other recorded result 0

Gi versus No-Gi

Gi

Rating
-
Record
-
Win rate
-
Submission share
-

No-Gi

Rating
-
Record
-
Win rate
-
Submission share
-

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
1,315
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 4–0 4–0 across 4 rematches against 2 repeat opponents.

Rivals

Opponent Head-to-head record Matches
Emirhan Bulduk 2–0 2
Mohamad Arab 2–0 2

Recent tournaments

  1. BJJ Dutch Open 2025

    December 13, 2025
    Gi 0–0

  2. Inhouse Energia White Belts Only Cup IV

    September 29, 2024 · Gi · 13–15 yo
    Gi 3–0

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.

Relevant matches
-
Official ranking percentile
-
Performance
-

- weighted matches against - different opponents across 0 events

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