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UA

Leonid Dziubenko

MATHIAS RIBEIRO TEAM

W–L
3–7
Won and lost rating-eligible matches in the past 12 months.
Gi
1,155
Rating based on Gi matches in the past 12 months.
No-Gi
1,268
Rating based on No-Gi matches in the past 12 months.
Current form
7–3
Results from the ten most recent rating-eligible matches.
Opponents
6
Unique opponents faced in rating-eligible matches in the past 12 months.

Indexed career

Matches

104
Indexed competition matches
Date Opponent Result Event Division
2022-07-24 Oliver Viscaino Navarro
Win
ADCC SPANISH NATIONAL 2022 No-Gi · Boys junior / 7-10 years / -28 kg
2022-07-24 Oliver Viscaino Navarro
Win
ADCC SPANISH NATIONAL 2022 No-Gi · Boys junior / 7-10 years / -28 kg
2022-05-28 Lucas Aguado Jiménez
Win
Supercopa de España 2022 - Gi, NoGi & Kids Gi · Niños Gi / White / Alevín / -30 Kg
2022-04-03 IVAN TELLO
Loss
GILAND BJJ KIDS 2022 Gi · Boys Gi / White / Infantil A (2013-2014) / -29,3 kg

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 -5 Rating 1,280

Rating-period composition

Rating matches
10 0
Record
3–7 Previous month 3–7
Opponents
6 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.

July 2026 No new matches Change 0 Rating 1,285

Rating-period composition

Rating matches
10 0
Record
3–7 Previous month 3–7
Opponents
6 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.

June 2026 No new matches Change 0 Rating 1,285

Rating-period composition

Rating matches
10 0
Record
3–7 Previous month 3–7
Opponents
6 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.

May 2026 No new matches Change +5 Rating 1,285

Rating-period composition

Rating matches
10 0
Record
3–7 Previous month 3–7
Opponents
6 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.

April 2026 No new matches Change +3 Rating 1,280

Rating-period composition

Rating matches
10 0
Record
3–7 Previous month 3–7
Opponents
6 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 6 new matches Change +2 Rating 1,277

Rating-period composition

Rating matches
10 +6
Record
3–7 Previous month 1–3
Opponents
6 +4
Events
2 +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
March 8, 2026 Noe El Hachani
NAGA Paris Grappling Championship - Children 17 years & under / Adult Men (30 years & older) Children No-Gi (Male) / Expert / 35 - 39.9 / 12-13 years Group 2
Method Points 04:00 4–0
Marginal influence +20
Loss
NAGA Paris Grappling Championship - Children 17 years & under / Adult Men (30 years & older) Children No-Gi (Male) / Expert / 35 - 39.9 / 12-13 years Group 2
Method Points 04:00 0–2
Marginal influence -4
Loss
NAGA Paris Grappling Championship - Children 17 years & under / Adult Men (30 years & older) Children Gi (Male) / Expert / 35 - 39.9 / 12-13 years
Method Disqualification 01:57 0–5
Marginal influence -16
Loss
March 8, 2026 Oliver Trallero
NAGA Paris Grappling Championship - Children 17 years & under / Adult Men (30 years & older) Children Gi (Male) / Expert / 35 - 39.9 / 12-13 years
Method Points 04:00 0–2
Marginal influence -20
Loss
NAGA Paris Grappling Championship - Children 17 years & under / Adult Men (30 years & older) Children Gi (Male) / Expert / 40 - 44.9 / 12-13 years
Method Submission 01:22 0–0
Marginal influence -16
Win
March 8, 2026 Noe El Hachani
NAGA Paris Grappling Championship - Children 17 years & under / Adult Men (30 years & older) Children Gi (Male) / Expert / 40 - 44.9 / 12-13 years
Method Points 04:00 0–0
Marginal influence +19
February 2026 No new matches Change +1 Rating 1,275

Rating-period composition

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

January 2026 No new matches Change 0 Rating 1,274

Rating-period composition

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

December 2025 No new matches Change 0 Rating 1,274

Rating-period composition

Rating matches
4 0
Record
1–3 Previous month 1–3
Opponents
2 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 -1 Rating 1,274

Rating-period composition

Rating matches
4 0
Record
1–3 Previous month 1–3
Opponents
2 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 4 new matches Change Starting point Rating 1,275

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
October 4, 2025 Zubayr Tsikhesashev
NAGA Europe Grappling Championship Children Gi (Male) / Expert / 35 - 39.9 / 10-11 years
Method Points 04:00 6–8
Marginal influence -14
Loss
October 4, 2025 Zubayr Tsikhesashev
NAGA Europe Grappling Championship Children Gi (Male) / Expert / 35 - 39.9 / 10-11 years
Method Decision 04:00 0–0
Marginal influence -14
Loss
October 4, 2025 Zubayr Tsikhesashev
NAGA Europe Grappling Championship Children No-Gi (Male) / Expert / 35 - 39.9 / 10-11 years
Method Submission 00:17 0–2
Marginal influence -4
Win
October 4, 2025 Kris Bruce Kerssies
NAGA Europe Grappling Championship Children No-Gi (Male) / Expert / 35 - 39.9 / 10-11 years
Method Submission 01:16 0–0
Marginal influence +31
Relevant matches
7.4
Official ranking percentile
Top 67%
Performance
-

7.4 weighted matches against 6 different opponents across 2 events

Weighted win rate
-
Expected win rate
-
Average opponent rating
1,412
Repeated-opponent share
40.0%
Network connectivity
87.6%

Classification evidence

Why U14?

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

  • U14 7 event votes Selected outcome

Registrations and outcomes

WORLD CUP BJJ 2026
U14 · Counts
Kids Boys NO-GI / Grey / Infanto Juvenil A / -42,0 kg
  • Competition age 13
  • Registered age: u14
  • Source category: u14
Kids Boys GI / Grey / Infanto Juvenil A / -42,0 kg
  • Competition age 13
  • Registered age: u14
  • Source category: u14
Grappling Industries MADRID
U14 · Counts
No Gi Kids / 12 - 13 years (Male) / Intermediate (Grey) / -95 lbs x
  • Competition age 13
  • Registered age: u14
  • Source category: u14
Gi Kids / 12 - 13 years (Male) / Grey / -95 lbs
  • Competition age 13
  • Registered age: u14
  • Source category: u14
SOUTHEAST TORREVIEJA
U14 · Counts
NIÑOS GI / JUNIOR / Grey / -42kg
  • Competition age 13
  • Registered age: u14
  • Source category: u14
ADCC SPAIN ALBACETE 2026
U14 · Counts
Boys 13-14 years / Advanced / -40 kg
  • Competition age 13
KIMURA CUP ALICANTE 2026
U14 · Counts
Boys Gi / Grey / Junior / -41 kg
  • Competition age 13
  • Registered age: u14
  • Source category: u14
NAGA Paris Grappling Championship - Children 17 years & under / Adult Men (30 years & older)
U14 · Counts
Children Gi (Male) / Expert / 40 - 44.9 / 12-13 years
  • Competition age 13
  • Registered age: u14
  • Source category: u14
Children Gi (Male) / Expert / 35 - 39.9 / 12-13 years
  • Competition age 13
  • Registered age: u14
  • Source category: u14
Children No-Gi (Male) / Expert / 35 - 39.9 / 12-13 years Group 2
  • Competition age 13
  • Registered age: u14
  • Source category: u14
SOUTHEAST SUBMISSION SERIES
U14 · Counts
NIÑOS GI / JUNIOR / Grey / -37kg
  • Competition age 13
  • Registered age: u14
  • Source category: u14
EUROPE CUP BJJ 2025 - ETAPA FINAL
Does not count
Kids Boys GI / Grey / Infanto Juvenil A / -38,0 kg
  • Competition age 12
  • Registered age: u14
  • Source category: u14
NAGA Europe Grappling Championship
Does not count
Children Gi (Male) / Expert / 35 - 39.9 / 10-11 years
  • Competition age 12
  • Registered age: u12
  • Source category: u12
Children No-Gi (Male) / Expert / 35 - 39.9 / 10-11 years
  • Competition age 12
  • Registered age: u12
  • Source category: u12
2025 AGF Barcelona Championships
Does not count
Competition T-shirt / Youth Medium
No Gi Kids Challenger / Boys / Regular Challenger / Feather III (Up to 38.60 kg)
  • Competition age 12
  • Registered age: u14
  • Source category: u14
No Gi Kids / Boys / Pre Teen (10 - 11 yrs) / Gray / Feather III (Up to 38.60 kg)
  • Competition age 12
  • Registered age: u12
  • Source category: u12
Gi Kids Challenger / Boys / Regular Challenger / Feather III (Up to 38.60 kg)
  • Competition age 12
  • Registered age: u14
  • Source category: u14
Gi Kids / Boys / Pre Teen (10 - 11 yrs) / Gray / Feather III (Up to 38.60 kg)
  • Competition age 12
  • Registered age: u12
  • Source category: u12

Classification evidence

Why ≤ 40 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

  • ≤ 40 kg 1 competition event Selected outcome
  • ≤ 42 kg 2 competition events

Registrations and outcomes

WORLD CUP BJJ 2026
≤ 42 kg · Counts as a competition event
Kids Boys NO-GI / Grey / Infanto Juvenil A / -42,0 kg
  • Registered weight class: -42,0 kg
  • Source competition limit: -42,0 kg

2 matches in the rating period

WORLD CUP BJJ 2026
≤ 42 kg · Counts as a competition event
Kids Boys GI / Grey / Infanto Juvenil A / -42,0 kg
  • Registered weight class: -42,0 kg
  • Source competition limit: -42,0 kg

2 matches in the rating period

Grappling Industries MADRID
Does not count
No Gi Kids / 12 - 13 years (Male) / Intermediate (Grey) / -95 lbs x
  • Registered weight class: -95 lbs
  • Source competition limit: -95 lbs

No matches in the rating period · no valid weight evidence

Grappling Industries MADRID
Does not count
Gi Kids / 12 - 13 years (Male) / Grey / -95 lbs
  • Registered weight class: -95 lbs
  • Source competition limit: -95 lbs

No matches in the rating period · no valid weight evidence

SOUTHEAST TORREVIEJA
≤ 42 kg · Counts as a competition event
NIÑOS GI / JUNIOR / Grey / -42kg
  • Registered weight class: -42kg
  • Source competition limit: -42kg

1 match in the rating period

ADCC SPAIN ALBACETE 2026
≤ 40 kg · Does not count
Boys 13-14 years / Advanced / -40 kg
  • Registered weight class: -40 kg
  • Source competition limit: -40 kg

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

KIMURA CUP ALICANTE 2026
≤ 41 kg · Does not count
Boys Gi / Grey / Junior / -41 kg
  • Registered weight class: -41 kg
  • Source competition limit: -41 kg

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

NAGA Paris Grappling Championship - Children 17 years & under / Adult Men (30 years & older)
≤ 45 kg · Does not count
Children Gi (Male) / Expert / 40 - 44.9 / 12-13 years
  • Registered weight class: 40 - 44.9
  • Source competition limit: 40 - 44.9

2 matches in the rating period · conflicting upper weight limits make this event ambiguous

NAGA Paris Grappling Championship - Children 17 years & under / Adult Men (30 years & older)
≤ 40 kg · Does not count
Children Gi (Male) / Expert / 35 - 39.9 / 12-13 years
  • Registered weight class: 35 - 39.9
  • Source competition limit: 35 - 39.9

2 matches in the rating period · conflicting upper weight limits make this event ambiguous

NAGA Paris Grappling Championship - Children 17 years & under / Adult Men (30 years & older)
≤ 40 kg · Does not count
Children No-Gi (Male) / Expert / 35 - 39.9 / 12-13 years Group 2
  • Registered weight class: 35 - 39.9
  • Source competition limit: 35 - 39.9

2 matches in the rating period · conflicting upper weight limits make this event ambiguous

SOUTHEAST SUBMISSION SERIES
≤ 37 kg · Does not count
NIÑOS GI / JUNIOR / Grey / -37kg
  • Registered weight class: -37kg
  • Source competition limit: -37kg

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

EUROPE CUP BJJ 2025 - ETAPA FINAL
≤ 38 kg · Does not count
Kids Boys GI / Grey / Infanto Juvenil A / -38,0 kg
  • Registered weight class: -38,0 kg
  • Source competition limit: -38,0 kg

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

NAGA Europe Grappling Championship
≤ 40 kg · Does not count
Children Gi (Male) / Expert / 35 - 39.9 / 10-11 years
  • Registered weight class: 35 - 39.9
  • Source competition limit: 35 - 39.9

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

NAGA Europe Grappling Championship
≤ 40 kg · Does not count
Children No-Gi (Male) / Expert / 35 - 39.9 / 10-11 years
  • Registered weight class: 35 - 39.9
  • Source competition limit: 35 - 39.9

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

2025 AGF Barcelona Championships
Does not count
Competition T-shirt / Youth Medium

No matches in the rating period · no valid weight evidence

2025 AGF Barcelona Championships
Does not count
No Gi Kids Challenger / Boys / Regular Challenger / Feather III (Up to 38.60 kg)
  • Registered weight class: Feather III (Up to 38.60 kg)
  • Source competition limit: Feather III (Up to 38.60 kg)

No matches in the rating period · no valid weight evidence

2025 AGF Barcelona Championships
Does not count
No Gi Kids / Boys / Pre Teen (10 - 11 yrs) / Gray / Feather III (Up to 38.60 kg)
  • Registered weight class: Feather III (Up to 38.60 kg)
  • Source competition limit: Feather III (Up to 38.60 kg)

No matches in the rating period · no valid weight evidence

2025 AGF Barcelona Championships
Does not count
Gi Kids Challenger / Boys / Regular Challenger / Feather III (Up to 38.60 kg)
  • Registered weight class: Feather III (Up to 38.60 kg)
  • Source competition limit: Feather III (Up to 38.60 kg)

No matches in the rating period · no valid weight evidence

2025 AGF Barcelona Championships
Does not count
Gi Kids / Boys / Pre Teen (10 - 11 yrs) / Gray / Feather III (Up to 38.60 kg)
  • Registered weight class: Feather III (Up to 38.60 kg)
  • Source competition limit: Feather III (Up to 38.60 kg)

No matches in the rating period · no valid weight evidence

Classification evidence

Why Grey?

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

  • grey 9 matches in the rating period Selected outcome

Registrations and outcomes

WORLD CUP BJJ 2026
grey · Counts as a match
Kids Boys NO-GI / Grey / Infanto Juvenil A / -42,0 kg
  • Source belt category: grey

2 matches in the rating period

WORLD CUP BJJ 2026
grey · Counts as a match
Kids Boys GI / Grey / Infanto Juvenil A / -42,0 kg
  • Source belt category: grey

2 matches in the rating period

SOUTHEAST TORREVIEJA
grey · Counts as a match
NIÑOS GI / JUNIOR / Grey / -42kg
  • Source belt category: grey

1 match in the rating period

KIMURA CUP ALICANTE 2026
grey · Counts as a match
Boys Gi / Grey / Junior / -41 kg
  • Source belt category: grey

1 match in the rating period

SOUTHEAST SUBMISSION SERIES
grey · Counts as a match
NIÑOS GI / JUNIOR / Grey / -37kg
  • Source belt category: grey

1 match in the rating period

EUROPE CUP BJJ 2025 - ETAPA FINAL
grey · Counts as a match
Kids Boys GI / Grey / Infanto Juvenil A / -38,0 kg
  • Source belt category: grey

2 matches in the rating period