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Oier Pèrez

Checkmat-New Era XXi

W–L
2–3
Won and lost rating-eligible matches in the past 12 months.
Gi
1,205
Rating based on Gi matches in the past 12 months.
No-Gi
1,190
Rating based on No-Gi matches in the past 12 months.
Current form
2–3
Results from the ten most recent rating-eligible matches.
Opponents
4
Unique opponents faced in rating-eligible matches in the past 12 months.

Indexed career

Matches

5
Indexed competition matches
Date Opponent Result Event Division
2026-06-20 Adrián Ilundain Jimenez
Loss
NORO FIGHT BJJ 2026 | MIRANDA DE EBRO No-Gi · Boys No-Gi / White / Teen III (15yrs) / -51,00 kg
2026-06-20 Nicolas Calduch
Win
NORO FIGHT BJJ 2026 | MIRANDA DE EBRO No-Gi · Boys No-Gi / White / Teen III (15yrs) / -51,00 kg
2026-06-20 Adrián Ilundain Jimenez
Loss
NORO FIGHT BJJ 2026 | MIRANDA DE EBRO No-Gi · Boys No-Gi / White / Teen III (15yrs) / -51,00 kg
2026-06-20 Javier Agriano
Win
NORO FIGHT BJJ 2026 | MIRANDA DE EBRO Gi · Boys Gi / White / Teen III (15yrs) / -48,40 kg
2025-11-15 Julen Real
Loss
EUSKADI BJJ CUP GI & NO-GI 2025 Gi · Kids Boys GI / White-Grey / Infanto Juvenil B / -51,0 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 0 Rating 1,282

Rating-period composition

Rating matches
5 0
Record
2–3 Previous month 2–3
Opponents
4 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 +1 Rating 1,282

Rating-period composition

Rating matches
5 0
Record
2–3 Previous month 2–3
Opponents
4 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 4 new matches Change +164 Rating 1,281

Rating-period composition

Rating matches
5 +4
Record
2–3 Previous month 0–1
Opponents
4 +3
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.
Loss
NORO FIGHT BJJ 2026 | MIRANDA DE EBRO Boys No-Gi / White / Teen III (15yrs) / -51,00 kg
Method Points 04:00 0–9
Marginal influence -13
Win
June 20, 2026 Nicolas Calduch
NORO FIGHT BJJ 2026 | MIRANDA DE EBRO Boys No-Gi / White / Teen III (15yrs) / -51,00 kg
Method Disqualification 02:51 0–2
Marginal influence +15
Loss
NORO FIGHT BJJ 2026 | MIRANDA DE EBRO Boys No-Gi / White / Teen III (15yrs) / -51,00 kg
Method Submission 03:53 0–3
Marginal influence -13
Win
June 20, 2026 Javier Agriano
NORO FIGHT BJJ 2026 | MIRANDA DE EBRO Boys Gi / White / Teen III (15yrs) / -48,40 kg
Method Submission 01:10 7–0
Marginal influence +22
May 2026 No new matches Change -10 Rating 1,117

Rating-period composition

Rating matches
1 0
Record
0–1 Previous month 0–1
Opponents
1 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.

April 2026 No new matches Change 0 Rating 1,127

Rating-period composition

Rating matches
1 0
Record
0–1 Previous month 0–1
Opponents
1 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.

March 2026 No new matches Change 0 Rating 1,127

Rating-period composition

Rating matches
1 0
Record
0–1 Previous month 0–1
Opponents
1 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.

February 2026 No new matches Change 0 Rating 1,127

Rating-period composition

Rating matches
1 0
Record
0–1 Previous month 0–1
Opponents
1 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 1,127

Rating-period composition

Rating matches
1 0
Record
0–1 Previous month 0–1
Opponents
1 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 1,127

Rating-period composition

Rating matches
1 0
Record
0–1 Previous month 0–1
Opponents
1 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 1 new match Change Starting point Rating 1,127

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
November 15, 2025 Julen Real
EUSKADI BJJ CUP GI & NO-GI 2025 Kids Boys GI / White-Grey / Infanto Juvenil B / -51,0 kg
Method Submission 04:00 0–19
Marginal influence -22
Relevant matches
3.8
Official ranking percentile
Top 67%
Performance
-

3.8 weighted matches against 4 different opponents across 2 events

Weighted win rate
-
Expected win rate
-
Average opponent rating
1,186
Repeated-opponent share
20.0%
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 1 event vote Selected outcome

Registrations and outcomes

NORO FIGHT BJJ 2026 | MIRANDA DE EBRO
U16 · Counts
Boys No-Gi / White / Teen III (15yrs) / -51,00 kg
  • Competition age 15
  • Registered age: u16
  • Source category: u16
Boys Gi / White / Teen III (15yrs) / -48,40 kg
  • Competition age 15
  • Registered age: u16
  • Source category: u16
EUSKADI BJJ CUP GI & NO-GI 2025
Does not count
Kids Boys GI / White-Grey / Infanto Juvenil B / -51,0 kg
  • Competition age 14
  • Registered age: u16
  • Source category: u16

Classification evidence

Why ≤ 51 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

  • ≤ 51 kg 1 competition event Selected outcome

Registrations and outcomes

NORO FIGHT BJJ 2026 | MIRANDA DE EBRO
≤ 51 kg · Does not count
Boys No-Gi / White / Teen III (15yrs) / -51,00 kg
  • Registered weight class: -51,00 kg
  • Source competition limit: -51,00 kg

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

NORO FIGHT BJJ 2026 | MIRANDA DE EBRO
≤ 48 kg · Does not count
Boys Gi / White / Teen III (15yrs) / -48,40 kg
  • Registered weight class: -48,40 kg
  • Source competition limit: -48,40 kg

1 match in the rating period · conflicting upper weight limits make this event ambiguous

EUSKADI BJJ CUP GI & NO-GI 2025
≤ 51 kg · Counts as a competition event
Kids Boys GI / White-Grey / Infanto Juvenil B / -51,0 kg
  • Registered weight class: -51,0 kg
  • Source competition limit: -51,0 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 4 matches in the rating period Selected outcome
  • grey 1 match in the rating period

Registrations and outcomes

NORO FIGHT BJJ 2026 | MIRANDA DE EBRO
white · Counts as a match
Boys No-Gi / White / Teen III (15yrs) / -51,00 kg
  • Source belt category: white

3 matches in the rating period

NORO FIGHT BJJ 2026 | MIRANDA DE EBRO
white · Counts as a match
Boys Gi / White / Teen III (15yrs) / -48,40 kg
  • Source belt category: white

1 match in the rating period

EUSKADI BJJ CUP GI & NO-GI 2025
grey · Counts as a match
Kids Boys GI / White-Grey / Infanto Juvenil B / -51,0 kg
  • Source belt category: grey

1 match in the rating period