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Robert Gross

Sojuz Luta Livre Lahr

W–L
7–4
Won and lost rating-eligible matches in the past 12 months.
Gi
-
Rating based on Gi matches in the past 12 months.
No-Gi
1,363
Rating based on No-Gi matches in the past 12 months.
Current form
6–4
Results from the ten most recent rating-eligible matches.
Opponents
9
Unique opponents faced in rating-eligible matches in the past 12 months.

Honours

Medals and placements

Gold
3
Silver
1
Bronze
1
Total medals
5
Events with results
5

Full career record

Wins
7
Losses
4
Matches
11
Win rate
63.6%

Ways of winning

Submission
3
Points
4
Decision
0
Disqualification
0

Personal records

Longest winning streak
3
Longest submission streak
1
Longest gold streak
3

Recent recorded placements

  4. 3SC - Ad Astra

    DE Event record 2–1

    • Juvenile Boys No-Gi / Beginner – 6 months to 2 years of grappling experience / Juvenile 2 / -55kg

12-month performance profile

How the results were achieved

Past 12 months
Current win streak
0
Unique opponents
9
Distinct events
5

Ways of winning

  • Submission 3 43%
  • Points 4 57%
  • Decision 0 0%
  • Other recorded result 0 0%

Gi versus No-Gi

Gi

Rating
-
Record
-
Win rate
-
Submission share
-

No-Gi

Rating
1363
Record
7–4
Win rate
64%
Submission share
43%

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
1,363
Change over 90 days
+82
Highest rating in 12 months
1,363
Performance versus expectation
+8.8 pp
Schedule strength
Top 95%
Average opponent rating
1,238
Weighted win rate
65%
Expected win rate
57%
Repeat-opponent share
18%
Effective evidence
7.9
Confidence
83/100

Opponents

Opposition and rivalries

The strongest recorded win, rematches and opponents faced repeatedly.

Rematches 2–1 2–1 across 3 rematches against 1 repeat opponents.
Most-faced opponent Malik Ay 2–1 · 3 matches

Top 10 highest-ranked defeated opponents

Past 12 months

  1. #886 Adrian Ocampo Lecaros · Bulldog BJJ Round Robin & Absolut Belt Tournament Pts 3–1

Full career

  1. #886 Adrian Ocampo Lecaros · Bulldog BJJ Round Robin & Absolut Belt Tournament Pts 3–1

Rivals

Opponent Head-to-head record Matches
Malik Ay 2–1 3

Around this athlete

Athlete Rank Rating
Ahmed Adouli #569 1,363
Robert Gross #570 1,363
Alessio De Maio #571 1,362

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 1,363

Rating-period composition

Rating matches
11 0
Record
7–4 Previous month 7–4
Opponents
9 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.

July 2026 No new matches Change 0 Rating 1,363

Rating-period composition

Rating matches
11 0
Record
7–4 Previous month 7–4
Opponents
9 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.

June 2026 6 new matches Change +37 Rating 1,363

Rating-period composition

Rating matches
11 +6
Record
7–4 Previous month 4–1
Opponents
9 +6
Events
5 +2

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 Markus Badinger
GERMAN NATIONAL OPEN CHAMPIONSHIP 2026 Boys No-Gi (under 16 y.o.) / White / 14-15 years / -62 kg
Method Submission 02:59 0–13
Marginal influence -26
Loss
June 27, 2026 Umar Khankhodzhaev
GERMAN NATIONAL OPEN CHAMPIONSHIP 2026 Boys No-Gi (under 16 y.o.) / White / 14-15 years / -62 kg
Method Submission 03:16 0–6
Marginal influence -13
Win
June 27, 2026 Gabriel Hestel
GERMAN NATIONAL OPEN CHAMPIONSHIP 2026 Boys No-Gi (under 16 y.o.) / White / 14-15 years / -62 kg
Method Points 04:00 12–0
Marginal influence +14
Win
June 13, 2026 Niclas Malerwein
Bulldog BJJ Round Robin & Absolut Belt Tournament Boys Teen No-Gi / Beginner / 14-15 years / -60 kg
Method Submission 01:36 6–0
Marginal influence +13
Loss
June 13, 2026 Selim Erol
Bulldog BJJ Round Robin & Absolut Belt Tournament Boys Teen No-Gi / Beginner / 14-15 years / -60 kg
Method Decision 03:00 2–2
Marginal influence -26
Win
Bulldog BJJ Round Robin & Absolut Belt Tournament Boys Teen No-Gi / Beginner / 14-15 years / -60 kg
Method Points 03:00 3–1
Marginal influence +25
May 2026 1 new match Change +45 Rating 1,326

Rating-period composition

Rating matches
5 +1
Record
4–1 Previous month 3–1
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
May 10, 2026 Jaro Fuchs
Southside Battle Trials 2026 - Kinder und Jugendliche U16 - male NoGi / U16 - male - NoGi - Alter 13 Jahre bis 15 Jahre / -58 kg
Method Submission 03:00 7–0
Marginal influence +18
April 2026 No new matches Change 0 Rating 1,281

Rating-period composition

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

March 2026 4 new matches Change Starting point Rating 1,281

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
March 21, 2026 Malik Ay
3SC - Ad Astra Juvenile Boys No-Gi / Beginner – 6 months to 2 years of grappling experience / Juvenile 2 / -55kg
Method Points 04:00 2–0
Marginal influence +11
Loss
March 21, 2026 Malik Ay
3SC - Ad Astra Juvenile Boys No-Gi / Beginner – 6 months to 2 years of grappling experience / Juvenile 2 / -55kg
Method Submission 02:42 2–8
Marginal influence -18
Win
March 21, 2026 Malik Ay
3SC - Ad Astra Juvenile Boys No-Gi / Beginner – 6 months to 2 years of grappling experience / Juvenile 2 / -55kg
Method Points 04:00 5–0
Marginal influence +11
Win
March 15, 2026 Ledri Redjepi
Newcomer Battle Trials 2026 U16 - male NoGi / Teen (U16) Alter 13 Jahre bis 15 Jahre (Jahrgang 06-04) / -58 kg
Method Submission 03:45 5–2
Marginal influence +19
Relevant matches
7.9
Official ranking percentile
Top 39%
Performance
8.8 pp above expectation

7.9 weighted matches against 9 different opponents across 5 events

Weighted win rate
65.5%
Expected win rate
56.6%
Average opponent rating
1,238
Repeated-opponent share
18.2%
Network connectivity
87.6%

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 6 event votes Selected outcome

Registrations and outcomes

GERMAN NATIONAL OPEN CHAMPIONSHIP 2026
U16 · Counts
Boys No-Gi (under 16 y.o.) / White / 14-15 years / -62 kg
  • Competition age 15
  • Registered age: u16
  • Source category: u16
Challenge NJGT 2026 - GI/NOGI
U16 · Counts
Kid/Junior Garçon No-Gi / Junior 2 - 14-15 ans / White / -60 kg
  • Competition age 15
Bulldog BJJ Round Robin & Absolut Belt Tournament
U16 · Counts
Boys Teen No-Gi / Beginner / 14-15 years / -60 kg
  • Competition age 15
  • Registered age: u16
  • Source category: u16
Southside Battle Trials 2026 - Kinder und Jugendliche
U16 · Counts
U16 - male NoGi / U16 - male - NoGi - Alter 13 Jahre bis 15 Jahre / -58 kg
  • Competition age 15
  • Registered age: u14
  • Source category: u14
3SC - Ad Astra
U16 · Counts
Juvenile Boys No-Gi / Beginner – 6 months to 2 years of grappling experience / Juvenile 2 / -55kg
  • Competition age 15
  • Registered age: u8
  • Source category: u8
Newcomer Battle Trials 2026
U16 · Counts
U16 - male NoGi / Teen (U16) Alter 13 Jahre bis 15 Jahre (Jahrgang 06-04) / -58 kg
  • Competition age 15
  • Registered age: u8
  • Source category: u8

Classification evidence

Why ≤ 58 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

  • ≤ 58 kg 1 competition event Selected outcome
  • ≤ 60 kg 1 competition event
  • ≤ 62 kg 1 competition event

Registrations and outcomes

GERMAN NATIONAL OPEN CHAMPIONSHIP 2026
≤ 62 kg · Counts as a competition event
Boys No-Gi (under 16 y.o.) / White / 14-15 years / -62 kg
  • Registered weight class: -62 kg
  • Source competition limit: -62 kg

3 matches in the rating period

Challenge NJGT 2026 - GI/NOGI
Does not count
Kid/Junior Garçon No-Gi / Junior 2 - 14-15 ans / White / -60 kg
  • Registered weight class: -60 kg
  • Source competition limit: -60 kg

No matches in the rating period · no valid weight evidence

Bulldog BJJ Round Robin & Absolut Belt Tournament
≤ 60 kg · Counts as a competition event
Boys Teen No-Gi / Beginner / 14-15 years / -60 kg
  • Registered weight class: -60 kg
  • Source competition limit: -60 kg

3 matches in the rating period

Southside Battle Trials 2026 - Kinder und Jugendliche
≤ 58 kg · Counts as a competition event
U16 - male NoGi / U16 - male - NoGi - Alter 13 Jahre bis 15 Jahre / -58 kg
  • Registered weight class: -58 kg
  • Source competition limit: -58 kg

1 match in the rating period

3SC - Ad Astra
≤ 55 kg · Does not count
Juvenile Boys No-Gi / Beginner – 6 months to 2 years of grappling experience / Juvenile 2 / -55kg
  • Registered weight class: -55kg
  • Source competition limit: -55kg

3 matches in the rating period · outside the three most recent unambiguous events

Newcomer Battle Trials 2026
≤ 58 kg · Does not count
U16 - male NoGi / Teen (U16) Alter 13 Jahre bis 15 Jahre (Jahrgang 06-04) / -58 kg
  • Registered weight class: -58 kg
  • Source competition limit: -58 kg

1 match in the rating period · outside the three most recent unambiguous events

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 3 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 / 14-15 years / -62 kg
  • Source belt category: white

3 matches in the rating period