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Lionel Bojku

Gremlin Jiu Jitsu

W–L
2–2
Won and lost rating-eligible matches in the past 12 months.
Gi
1,131
Rating based on Gi matches in the past 12 months.
No-Gi
1,232
Rating based on No-Gi matches in the past 12 months.
Current form
2–6
Results from the ten most recent rating-eligible matches.
Opponents
3
Unique opponents faced in rating-eligible matches in the past 12 months.

Honours

Medals and placements

Gold
0
Silver
3
Bronze
0
Total medals
3
Events with results
5

Full career record

Wins
3
Losses
8
Matches
11
Win rate
27.3%

Ways of winning

Submission
2
Points
0
Decision
0
Disqualification
0

Personal records

Longest winning streak
2
Longest submission streak
2

Recent recorded placements

12-month performance profile

How the results were achieved

Past 12 months
Current win streak
0
Unique opponents
3
Distinct events
3

Ways of winning

  • Submission 2 100%
  • Points 0 0%
  • Decision 0 0%
  • Other recorded result 0 0%

Gi versus No-Gi

Gi

Rating
1131
Record
0–1
Win rate
0%
Submission share
-

No-Gi

Rating
1232
Record
2–1
Win rate
67%
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
1,273
Change over 90 days
-
Highest rating in 12 months
1,273
Performance versus expectation
-
Schedule strength
-
Average opponent rating
1,225
Weighted win rate
-
Expected win rate
-
Repeat-opponent share
25%
Effective evidence
3.1
Confidence
58/100

Opponents

Opposition and rivalries

The strongest recorded win, rematches and opponents faced repeatedly.

Rematches 1–5 1–5 across 6 rematches against 3 repeat opponents.

Top 10 highest-ranked defeated opponents

Past 12 months

  1. #2517 Nikita Herzenstein · SFC Grappling Sub 01:11 0–0

Full career

  1. #2517 Nikita Herzenstein · SFC Grappling Sub 01:11 0–0

Rivals

Opponent Head-to-head record Matches
Iven Grossen 0–2 2
Malik Gursel 0–2 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.

August 2026 No new matches Change 0 Rating 1,273

Rating-period composition

Rating matches
4 0
Record
2–2 Previous month 2–2
Opponents
3 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 1,273

Rating-period composition

Rating matches
4 0
Record
2–2 Previous month 2–2
Opponents
3 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 2 new matches Change +65 Rating 1,273

Rating-period composition

Rating matches
4 +2
Record
2–2 Previous month 0–2
Opponents
3 +1
Events
3 +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
June 14, 2026 Elmedin Muratovic
SFC Grappling No-Gi Kids 13-15 Years / -70 kg
Method Submission 02:23 0–0
Marginal influence +40
Win
June 14, 2026 Nikita Herzenstein
SFC Grappling No-Gi Kids 13-15 Years / -70 kg
Method Submission 01:11 0–0
Marginal influence +21
May 2026 2 new matches Change Starting point Rating 1,208

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 24, 2026 Patrick Hotzy
2Brave - Grappling Series 3 Kids 12-15 years / 12-15 years / -70 kg
Method Points 03:00 0–2
Marginal influence -17
Loss
Vienna Open Championship 2026 - Offene Wiener Landesmeisterschaft 2026 Jiu Jitsu No Gi (BJJ No Gi) - Male / U16 / White Belt / -69 kg
Method Disqualification 01:19 0–0
Marginal influence -35
Relevant matches
3.1
Official ranking percentile
-
Performance
-

3.1 weighted matches against 3 different opponents across 3 events

Weighted win rate
-
Expected win rate
-
Average opponent rating
1,225
Repeated-opponent share
25.0%
Network connectivity
80.9%

Classification evidence

Why U16?

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

  • U16 4 event votes Selected outcome

Registrations and outcomes

SFC Grappling
U16 · Counts
No-Gi Kids 13-15 Years / -70 kg
  • Competition age 15
MOMENTUM 13 - Salzburg Open BJJ Gi & NoGi
U16 · Counts
Kids Men Gi / U16 (14-15) years / Kids advanced / -73kg
  • Competition age 15
  • Registered age: u16
  • Source category: u16
2Brave - Grappling Series 3
U16 · Counts
Kids 12-15 years / 12-15 years / -70 kg
  • Competition age 15
Vienna Open Championship 2026 - Offene Wiener Landesmeisterschaft 2026
U16 · Counts
Jiu Jitsu No Gi (BJJ No Gi) - Male / U16 / White Belt / -69 kg
  • Competition age 15
  • Registered age: u16
  • Source category: u16

Classification evidence

Why ≤ 69 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

  • ≤ 69 kg 1 competition event Selected outcome
  • ≤ 70 kg 2 competition events

Registrations and outcomes

SFC Grappling
≤ 70 kg · Counts as a competition event
No-Gi Kids 13-15 Years / -70 kg
  • Registered weight class: -70 kg
  • Source competition limit: -70 kg

2 matches in the rating period

MOMENTUM 13 - Salzburg Open BJJ Gi & NoGi
Does not count
Kids Men Gi / U16 (14-15) years / Kids advanced / -73kg
  • Registered weight class: -73kg
  • Source competition limit: -73kg

No matches in the rating period · no valid weight evidence

2Brave - Grappling Series 3
≤ 70 kg · Counts as a competition event
Kids 12-15 years / 12-15 years / -70 kg
  • Registered weight class: -70 kg
  • Source competition limit: -70 kg

1 match in the rating period

Vienna Open Championship 2026 - Offene Wiener Landesmeisterschaft 2026
≤ 69 kg · Counts as a competition event
Jiu Jitsu No Gi (BJJ No Gi) - Male / U16 / White Belt / -69 kg
  • Registered weight class: -69 kg
  • Source competition limit: -69 kg

1 match 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 1 match in the rating period Selected outcome

Registrations and outcomes

Vienna Open Championship 2026 - Offene Wiener Landesmeisterschaft 2026
white · Counts as a match
Jiu Jitsu No Gi (BJJ No Gi) - Male / U16 / White Belt / -69 kg
  • Source belt category: white

1 match in the rating period