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Samuel Chavarro

KARKARÁ BJJ

W–L
7–1
Won and lost rating-eligible matches in the past 12 months.
Gi
1,328
Rating based on Gi matches in the past 12 months.
No-Gi
1,402
Rating based on No-Gi matches in the past 12 months.
Current form
7–1
Results from the ten most recent rating-eligible matches.
Opponents
7
Unique opponents faced in rating-eligible matches in the past 12 months.

Tournament history

Events

6
Events
Date Event Result Format Division
GILAND BJJ KIDS GI & NO-GI 2025 ES · Gi · white · ≤67 kg ; No-Gi · white · ≤67 kg 2–1 W–L: Win / Loss GiNo-Gi
  • Juvenile Boys GI / White / Juvenile / -67,0 kg (Light)
  • Juvenile Boys NO-GI / White / Juvenile / -67,0 kg (Light)
Geneva Submission Series #2 CH · Gi · 13–17 yo · white · ≤70 kg 2–0 W–L: Win / Loss Gi
  • Geneva Submission Series #2 / -70 kg / White Belt / Male / 13-17 years
Swiss BJJ Championship CH · Gi · white · ≤69 kg ; No-Gi · white · ≤69 kg 4–1 W–L: Win / Loss GiNo-Gi
  • YOUTH - BOYS NO - GI / White / YOUTH BOY / -69,0 kg
  • YOUTH - BOYS GI / White / YOUTH BOY / -69,0 kg
Grappling Industries GENEVA CH · Gi · 16–17 yo · white · ≤145 lb ; No-Gi · 16–17 yo · white · ≤145 lb 6–3 W–L: Win / Loss GiNo-Gi
  • Gi Teens / Male / White / 16 - 17 years / -145 lbs
  • No Gi Teens / Male / Beginner (White) / 16 - 17 years / -145 lbs
Geneva Submission Series #1 CH 0–0 W–L: Win / Loss Gi
  • Geneva Submission Series #1 / -65 kg / White Belt / Male / 15-17 years
ZURICH BJJ SPRING OPEN CH · Gi · white · ≤66 kg ; No-Gi · white · ≤66 kg 2–1 W–L: Win / Loss GiNo-Gi
  • MALE GI / Youth / White / -66 kg
  • Place #5

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 · 9 left period Change -44 Rating 1,443

Rating-period composition

Rating matches
8 -9
Record
7–1 Previous month 13–4
Opponents
7 -5
Events
3 -1

9 older matches left the 12-month period: 6 won and 3 lost. The rating is then recalculated across the full network, so the monthly change is not a sum of separate deductions.

July 2026 No new matches Change +1 Rating 1,487

Rating-period composition

Rating matches
17 0
Record
13–4 Previous month 13–4
Opponents
12 0
Events
4 0

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

June 2026 No new matches Change -1 Rating 1,486

Rating-period composition

Rating matches
17 0
Record
13–4 Previous month 13–4
Opponents
12 0
Events
4 0

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

May 2026 No new matches Change +1 Rating 1,487

Rating-period composition

Rating matches
17 0
Record
13–4 Previous month 13–4
Opponents
12 0
Events
4 0

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

April 2026 No new matches Change +4 Rating 1,486

Rating-period composition

Rating matches
17 0
Record
13–4 Previous month 13–4
Opponents
12 0
Events
4 0

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

March 2026 No new matches · 3 left period Change +6 Rating 1,482

Rating-period composition

Rating matches
17 -3
Record
13–4 Previous month 15–5
Opponents
12 -2
Events
4 -1

3 older matches left the 12-month period: 2 won and 1 lost. The rating is then recalculated across the full network, so the monthly change is not a sum of separate deductions.

February 2026 No new matches Change 0 Rating 1,476

Rating-period composition

Rating matches
20 0
Record
15–5 Previous month 15–5
Opponents
14 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.

January 2026 No new matches Change +1 Rating 1,476

Rating-period composition

Rating matches
20 0
Record
15–5 Previous month 15–5
Opponents
14 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.

December 2025 No new matches Change +3 Rating 1,475

Rating-period composition

Rating matches
20 0
Record
15–5 Previous month 15–5
Opponents
14 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.

November 2025 3 new matches Change +22 Rating 1,472

Rating-period composition

Rating matches
20 +3
Record
15–5 Previous month 13–4
Opponents
14 +3
Events
5 +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
November 29, 2025 Danilson Martins
GILAND BJJ KIDS GI & NO-GI 2025 Juvenile Boys NO-GI / White / Juvenile / -67,0 kg (Light)
Method Decision 0–0
Marginal influence +29
Win
November 29, 2025 Ayman Hadaji
GILAND BJJ KIDS GI & NO-GI 2025 Juvenile Boys NO-GI / White / Juvenile / -67,0 kg (Light)
Method Points 04:00 7–0
Marginal influence +16
Loss
November 29, 2025 Adam Mrabet
GILAND BJJ KIDS GI & NO-GI 2025 Juvenile Boys GI / White / Juvenile / -67,0 kg (Light)
Method Points 04:00 2–3
Marginal influence -29
October 2025 5 new matches Change +66 Rating 1,450

Rating-period composition

Rating matches
17 +5
Record
13–4 Previous month 8–4
Opponents
11 +2
Events
4 +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.
Win
October 26, 2025 Abdelsamad Ahmed
Geneva Submission Series #2 Geneva Submission Series #2 / -70 kg / White Belt / Male / 13-17 years
Method Points 0–0
Marginal influence +13
Win
October 26, 2025 Yassine Bahlaouan
Geneva Submission Series #2 Geneva Submission Series #2 / -70 kg / White Belt / Male / 13-17 years
Method Points 0–0
Marginal influence +10
Win
October 11, 2025 Yohan Bellino
Swiss BJJ Championship YOUTH - BOYS GI / White / YOUTH BOY / -69,0 kg
Method Submission 02:11 3–2
Marginal influence +5
Win
October 11, 2025 Zeno Porta
Swiss BJJ Championship YOUTH - BOYS NO - GI / White / YOUTH BOY / -69,0 kg
Method Points 05:00 14–2
Marginal influence +14
Win
October 11, 2025 Yohan Bellino
Swiss BJJ Championship YOUTH - BOYS NO - GI / White / YOUTH BOY / -69,0 kg
Method Submission 02:55 7–0
Marginal influence +16
September 2025 No new matches Change +2 Rating 1,384

Rating-period composition

Rating matches
12 0
Record
8–4 Previous month 8–4
Opponents
9 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.

Relevant matches
7
Official ranking percentile
-
Performance
35.0 pp above expectation

7 weighted matches against 7 different opponents across 3 events

Weighted win rate
87.3%
Expected win rate
52.3%
Average opponent rating
1,303
Repeated-opponent share
12.5%
Network connectivity
80.9%

Classification evidence

Why U18?

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

  • U18 2 event votes Selected outcome

Registrations and outcomes

Grappling Industries GENEVA
U18 · Counts
No Gi Kids / 16 - 17 years (Male) / Beginner (White) / -145 lbs
  • Competition age 17
  • Registered age: u18
  • Source category: u18
Gi Kids / 16 - 17 years (Male) / White / -145 lbs
  • Competition age 17
  • Registered age: u18
  • Source category: u18
SWISS BRAZILIAN JIU-JITSU & GRAPPLING TOURNAMENT II
Does not count
Men +18 years / Adults / WHITE / -64 kg
  • Competition age 17
ApexZone Grappling Zurich - 500 EURO CASH PRIZE
U18 · Counts
Boys 15-17 years / Beginner / -70 kg
  • Competition age 17
GILAND BJJ KIDS GI & NO-GI 2025
Does not count
Juvenile Boys NO-GI / White / Juvenile / -67,0 kg (Light)
  • Competition age 16
  • Registered age: u18
  • Source category: u18
Juvenile Boys GI / White / Juvenile / -67,0 kg (Light)
  • Competition age 16
  • Registered age: u18
  • Source category: u18
ADCC Suisse Open Championship 2025
Does not count
BOYS / 15-17 years / Beginner / -65 kg
  • Competition age 16
Geneva Submission Series #2
Does not count
Geneva Submission Series #2 / -70 kg / White Belt / Male / 13-17 years
  • Competition age 16
Swiss BJJ Championship
Does not count
YOUTH - BOYS NO - GI / White / YOUTH BOY / -69,0 kg
  • Competition age 16
  • Registered age: u18
  • Source category: u18
YOUTH - BOYS GI / White / YOUTH BOY / -69,0 kg
  • Competition age 16
  • Registered age: u18
  • Source category: u18
SWISS BRAZILIAN JIU JITSU & GRAPPLING TOURNAMENT
Does not count
Boys Youth (16-17 years) / Beginner / -65 kg
  • Competition age 16
  • Registered age: u18
  • Source category: u18

Classification evidence

Why ≤ 67 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

  • ≤ 67 kg 1 competition event Selected outcome
  • ≤ 69 kg 1 competition event
  • ≤ 70 kg 1 competition event

Registrations and outcomes

Grappling Industries GENEVA
Does not count
No Gi Kids / 16 - 17 years (Male) / Beginner (White) / -145 lbs
  • Registered weight class: -145 lbs
  • Source competition limit: -145 lbs

No matches in the rating period · no valid weight evidence

Grappling Industries GENEVA
Does not count
Gi Kids / 16 - 17 years (Male) / White / -145 lbs
  • Registered weight class: -145 lbs
  • Source competition limit: -145 lbs

No matches in the rating period · no valid weight evidence

SWISS BRAZILIAN JIU-JITSU & GRAPPLING TOURNAMENT II
Does not count
Men +18 years / Adults / WHITE / -64 kg
  • Registered weight class: -64 kg
  • Source competition limit: -64 kg

No matches in the rating period · no valid weight evidence

ApexZone Grappling Zurich - 500 EURO CASH PRIZE
Does not count
Boys 15-17 years / Beginner / -70 kg
  • Registered weight class: -70 kg
  • Source competition limit: -70 kg

No matches in the rating period · no valid weight evidence

GILAND BJJ KIDS GI & NO-GI 2025
≤ 67 kg · Counts as a competition event
Juvenile Boys NO-GI / White / Juvenile / -67,0 kg (Light)
  • Registered weight class: -67,0 kg (Light)
  • Source competition limit: -67,0 kg (Light)

2 matches in the rating period

GILAND BJJ KIDS GI & NO-GI 2025
≤ 67 kg · Counts as a competition event
Juvenile Boys GI / White / Juvenile / -67,0 kg (Light)
  • Registered weight class: -67,0 kg (Light)
  • Source competition limit: -67,0 kg (Light)

1 match in the rating period

ADCC Suisse Open Championship 2025
Does not count
BOYS / 15-17 years / Beginner / -65 kg
  • Registered weight class: -65 kg
  • Source competition limit: -65 kg

No matches in the rating period · no valid weight evidence

Geneva Submission Series #2
≤ 70 kg · Counts as a competition event
Geneva Submission Series #2 / -70 kg / White Belt / Male / 13-17 years
  • Registered weight class: -70 kg
  • Source competition limit: -70 kg

2 matches in the rating period

Swiss BJJ Championship
≤ 69 kg · Counts as a competition event
YOUTH - BOYS NO - GI / White / YOUTH BOY / -69,0 kg
  • Registered weight class: -69,0 kg
  • Source competition limit: -69,0 kg

2 matches in the rating period

Swiss BJJ Championship
≤ 69 kg · Counts as a competition event
YOUTH - BOYS GI / White / YOUTH BOY / -69,0 kg
  • Registered weight class: -69,0 kg
  • Source competition limit: -69,0 kg

1 match in the rating period

SWISS BRAZILIAN JIU JITSU & GRAPPLING TOURNAMENT
Does not count
Boys Youth (16-17 years) / Beginner / -65 kg
  • Registered weight class: -65 kg
  • Source competition limit: -65 kg

No matches in the rating period · no valid weight evidence

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 8 matches in the rating period Selected outcome

Registrations and outcomes

GILAND BJJ KIDS GI & NO-GI 2025
white · Counts as a match
Juvenile Boys NO-GI / White / Juvenile / -67,0 kg (Light)
  • Source belt category: white

2 matches in the rating period

GILAND BJJ KIDS GI & NO-GI 2025
white · Counts as a match
Juvenile Boys GI / White / Juvenile / -67,0 kg (Light)
  • Source belt category: white

1 match in the rating period

Geneva Submission Series #2
white · Counts as a match
Geneva Submission Series #2 / -70 kg / White Belt / Male / 13-17 years
  • Source belt category: white

2 matches in the rating period

Swiss BJJ Championship
white · Counts as a match
YOUTH - BOYS GI / White / YOUTH BOY / -69,0 kg
  • Source belt category: white

1 match in the rating period

Swiss BJJ Championship
white · Counts as a match
YOUTH - BOYS NO - GI / White / YOUTH BOY / -69,0 kg
  • Source belt category: white

2 matches in the rating period