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Sergio Calderón Losada

CFC Team

W–L
12–1
Won and lost rating-eligible matches in the past 12 months.
Gi
1,544
Rating based on Gi matches in the past 12 months.
No-Gi
1,218
Rating based on No-Gi matches in the past 12 months.
Current form
9–1
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
24
Silver
5
Bronze
4
Total medals
33
Events with results
29

Full career record

Wins
36
Losses
10
Matches
46
Win rate
78.3%

Ways of winning

Submission
17
Points
17
Decision
1
Disqualification
1

Personal records

Longest winning streak
13
Longest submission streak
5
Longest gold streak
6
Largest recorded points win
25–0

Recent recorded placements

  3. GILAND BJJ KIDS GI & NO-GI 2025

    ES Event record 2–0

    • Kids Boys GI / Grey - Yellow / Infanto Juvenil A / -54,0 kg
    • Kids Boys NO-GI / Yellow / Infanto Juvenil A / -54,0 kg

12-month performance profile

How the results were achieved

Past 12 months
Current win streak
8
Unique opponents
9
Distinct events
5

Ways of winning

  • Submission 8 67%
  • Points 4 33%
  • Decision 0 0%
  • Other recorded result 0 0%

Gi versus No-Gi

Gi

Rating
1544
Record
11–0
Win rate
100%
Submission share
64%

No-Gi

Rating
1218
Record
1–1
Win rate
50%
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
1,527
Change over 90 days
-3
Highest rating in 12 months
1,582
Performance versus expectation
+19.9 pp
Schedule strength
Top 46%
Average opponent rating
1,325
Weighted win rate
91%
Expected win rate
71%
Repeat-opponent share
31%
Effective evidence
9.7
Confidence
88/100

Opponents

Opposition and rivalries

The strongest recorded win, rematches and opponents faced repeatedly.

Rematches 20–8 20–8 across 28 rematches against 11 repeat opponents.

Top 10 highest-ranked defeated opponents

Past 12 months

  1. #310 Logan De Las Salas Herrera · EUROPE CUP BJJ 2025 - ETAPA FINAL Pts 2–0 Earlier · Pts 11–0 September 27, 2025 · COSTA DAURADA BJJ CUP GI & NO-GI 2025
  2. #681 Artem Mukhomor · COSTA DAURADA BJJ CUP GI & NO-GI 2025 Sub 00:18 0–0
  3. #836 Nicolás Castañeda · KIMURA CUP SALOU Pts 5–0
  4. #1598 Marc Parraga Sanchez · GILAND BJJ KIDS GI & NO-GI 2025 Sub 00:58 0–0 Earlier · Sub 01:03 5–0 September 27, 2025 · COSTA DAURADA BJJ CUP GI & NO-GI 2025
  5. #1849 Ian Corral · KIMURA CUP SALOU Pts 10–1
  6. #2260 Yago Magdaleno Barbosa · EUROPE CUP BJJ 2025 - ETAPA FINAL Sub 00:18 0–0
  7. #2312 Gerard Parraga Sanchez · GILAND BJJ KIDS GI & NO-GI 2025 Sub 00:54 0–0

Full career

  1. #302 Marc Cobos Guerrero · VINYOLS OPEN 2025 Pts 9–0 Earlier · Pts 12–2 November 16, 2024 · GILAND BJJ KIDS GI & NO-GI 2024
  2. #310 Logan De Las Salas Herrera · EUROPE CUP BJJ 2025 - ETAPA FINAL Pts 2–0 Earlier · Pts 11–0 September 27, 2025 · COSTA DAURADA BJJ CUP GI & NO-GI 2025
  3. #681 Artem Mukhomor · COSTA DAURADA BJJ CUP GI & NO-GI 2025 Sub 00:18 0–0
  4. #836 Nicolás Castañeda · KIMURA CUP SALOU Pts 5–0
  5. #1105 David Cortés Díaz · GILAND BJJ KIDS GI & NO-GI 2024 Sub 02:56 13–0
  6. #1352 Andres GALAN SANTIAGO · SUMMER CUP BJJ GI 2024 Pts 25–0
  7. #1401 FERRAN IRIGOYEN DELGADO · WORLD CUP BJJ 2024 Dec 0–0
  8. #1598 Marc Parraga Sanchez · GILAND BJJ KIDS GI & NO-GI 2025 Sub 00:58 0–0 Earlier · Sub 01:03 5–0 September 27, 2025 · COSTA DAURADA BJJ CUP GI & NO-GI 2025
  9. #1849 Ian Corral · KIMURA CUP SALOU Pts 10–1
  10. #2260 Yago Magdaleno Barbosa · EUROPE CUP BJJ 2025 - ETAPA FINAL Sub 00:18 0–0

Rivals

Opponent Head-to-head record Matches

Around this athlete

Athlete Rank Rating
Ayub Musajev #171 1,528
Sergio Calderón Losada #172 1,527
Francesco Gallina #173 1,526

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 +1 Rating 1,527

Rating-period composition

Rating matches
13 0
Record
12–1 Previous month 12–1
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 1,526

Rating-period composition

Rating matches
13 0
Record
12–1 Previous month 12–1
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 No new matches · 2 left period Change -21 Rating 1,526

Rating-period composition

Rating matches
13 -2
Record
12–1 Previous month 14–1
Opponents
9 -1
Events
5 -1

2 older matches left the 12-month period: 2 won and 0 lost. The rating is then recalculated across the full network, so the monthly change is not a sum of separate deductions.

May 2026 No new matches Change -6 Rating 1,547

Rating-period composition

Rating matches
15 0
Record
14–1 Previous month 14–1
Opponents
10 0
Events
6 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 · 3 left period Change -26 Rating 1,553

Rating-period composition

Rating matches
15 -3
Record
14–1 Previous month 17–1
Opponents
10 -2
Events
6 -3

3 older matches left the 12-month period: 3 won and 0 lost. The rating is then recalculated across the full network, so the monthly change is not a sum of separate deductions.

March 2026 4 new matches · 1 left period Change +25 Rating 1,579

Rating-period composition

Rating matches
18 +3
Record
17–1 Previous month 14–1
Opponents
12 +3
Events
9 +1

1 older matches left the 12-month period: 1 won and 0 lost. The rating is then recalculated across the full network, so the monthly change is not a sum of separate deductions.

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 14, 2026 Ian Corral
KIMURA CUP SALOU Boys Gi / Orange / Teen / -56 kg
Method Points 03:00 10–1
Marginal influence +9
Win
March 14, 2026 Nicolás Castañeda
KIMURA CUP SALOU Boys Gi / Orange / Teen / -56 kg
Method Points 03:00 5–0
Marginal influence +11
Win
KIMURA CUP SALOU Boys Gi / Orange / Teen / -56 kg
Method Submission 00:32 0–0
Marginal influence +8
Win
March 8, 2026 Aaron Mesas Herrera
GIRONA BJJ CUP GI & NO-GI 2026 Kids Boys GI / Yellow / Infanto Juvenil B / -55,0 kg
Method Submission 01:31 6–0
Marginal influence +10
February 2026 No new matches · 3 left period Change -35 Rating 1,554

Rating-period composition

Rating matches
15 -3
Record
14–1 Previous month 17–1
Opponents
9 -2
Events
8 -1

3 older matches left the 12-month period: 3 won and 0 lost. The rating is then recalculated across the full network, so the monthly change is not a sum of separate deductions.

January 2026 No new matches Change +7 Rating 1,589

Rating-period composition

Rating matches
18 0
Record
17–1 Previous month 17–1
Opponents
11 0
Events
9 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 1,582

Rating-period composition

Rating matches
18 0
Record
17–1 Previous month 17–1
Opponents
11 0
Events
9 0

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

November 2025 2 new matches · 4 left period Change +2 Rating 1,582

Rating-period composition

Rating matches
18 -2
Record
17–1 Previous month 18–2
Opponents
11 -1
Events
9 -1

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

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 Marc Parraga Sanchez
GILAND BJJ KIDS GI & NO-GI 2025 Kids Boys GI / Grey - Yellow / Infanto Juvenil A / -54,0 kg
Method Submission 00:58 0–0
Marginal influence +9
Win
November 29, 2025 Gerard Parraga Sanchez
GILAND BJJ KIDS GI & NO-GI 2025 Kids Boys GI / Grey - Yellow / Infanto Juvenil A / -54,0 kg
Method Submission 00:54 0–0
Marginal influence +11
October 2025 2 new matches Change +17 Rating 1,580

Rating-period composition

Rating matches
20 +2
Record
18–2 Previous month 16–2
Opponents
12 +1
Events
10 +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
EUROPE CUP BJJ 2025 - ETAPA FINAL Kids Boys GI / Yellow / Infanto Juvenil A / -54,0 kg
Method Points 04:00 2–0
Marginal influence +14
Win
October 18, 2025 Yago Magdaleno Barbosa
EUROPE CUP BJJ 2025 - ETAPA FINAL Kids Boys GI / Yellow / Infanto Juvenil A / -54,0 kg
Method Submission 00:18 0–0
Marginal influence +11
September 2025 5 new matches · 3 left period Change +40 Rating 1,563

Rating-period composition

Rating matches
18 +2
Record
16–2 Previous month 14–2
Opponents
11 0
Events
9 -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.

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
September 27, 2025 Logan De Las Salas Herrera
COSTA DAURADA BJJ CUP GI & NO-GI 2025 Kids Boys NO-GI / Yellow / Infanto Juvenil A / -54,0 kg
Method Submission 02:19 2–0
Marginal influence -26
Win
September 27, 2025 Marc Parraga Sanchez
COSTA DAURADA BJJ CUP GI & NO-GI 2025 Kids Boys NO-GI / Yellow / Infanto Juvenil A / -54,0 kg
Method Submission 01:03 5–0
Marginal influence -14
Win
September 27, 2025 Logan De Las Salas Herrera
COSTA DAURADA BJJ CUP GI & NO-GI 2025 Kids Boys GI / Yellow / Infanto Juvenil A / -54,0 kg
Method Points 04:00 11–0
Marginal influence +12
Win
September 27, 2025 Marc Parraga Sanchez
COSTA DAURADA BJJ CUP GI & NO-GI 2025 Kids Boys GI / Yellow / Infanto Juvenil A / -54,0 kg
Method Submission 02:21 13–0
Marginal influence +8
Win
September 27, 2025 Artem Mukhomor
COSTA DAURADA BJJ CUP GI & NO-GI 2025 Kids Boys GI / Yellow / Infanto Juvenil A / -54,0 kg
Method Submission 00:18 0–0
Marginal influence +14
Relevant matches
9.7
Official ranking percentile
Top 6%
Performance
19.9 pp above expectation

9.7 weighted matches against 9 different opponents across 5 events

Weighted win rate
91.3%
Expected win rate
71.4%
Average opponent rating
1,325
Repeated-opponent share
30.8%
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 2 event votes Selected outcome

Registrations and outcomes

KIMURA CUP SALOU
U16 · Counts
Boys Gi / Orange / Teen / -56 kg
  • Competition age 14
  • Registered age: u16
  • Source category: u16
GIRONA BJJ CUP GI & NO-GI 2026
U16 · Counts
Kids Boys GI / Yellow / Infanto Juvenil B / -55,0 kg
  • Competition age 14
  • Registered age: u16
  • Source category: u16
GILAND BJJ KIDS GI & NO-GI 2025
Does not count
Kids Boys NO-GI / Yellow / Infanto Juvenil A / -54,0 kg
  • Competition age 13
  • Registered age: u14
  • Source category: u14
Kids Boys GI / Grey - Yellow / Infanto Juvenil A / -54,0 kg
  • Competition age 13
  • Registered age: u14
  • Source category: u14
EUROPE CUP BJJ 2025 - ETAPA FINAL
Does not count
Kids Boys GI / Yellow / Infanto Juvenil A / -54,0 kg
  • Competition age 13
  • Registered age: u14
  • Source category: u14
COSTA DAURADA BJJ CUP GI & NO-GI 2025
Does not count
Kids Boys NO-GI / Yellow / Infanto Juvenil A / -54,0 kg
  • Competition age 13
  • Registered age: u14
  • Source category: u14
Kids Boys GI / Yellow / Infanto Juvenil A / -54,0 kg
  • Competition age 13
  • Registered age: u14
  • Source category: u14

Classification evidence

Why ≤ 54 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

  • ≤ 54 kg 1 competition event Selected outcome
  • ≤ 55 kg 1 competition event
  • ≤ 56 kg 1 competition event

Registrations and outcomes

KIMURA CUP SALOU
≤ 56 kg · Counts as a competition event
Boys Gi / Orange / Teen / -56 kg
  • Registered weight class: -56 kg
  • Source competition limit: -56 kg

3 matches in the rating period

GIRONA BJJ CUP GI & NO-GI 2026
≤ 55 kg · Counts as a competition event
Kids Boys GI / Yellow / Infanto Juvenil B / -55,0 kg
  • Registered weight class: -55,0 kg
  • Source competition limit: -55,0 kg

1 match in the rating period

GILAND BJJ KIDS GI & NO-GI 2025
Does not count
Kids Boys NO-GI / Yellow / Infanto Juvenil A / -54,0 kg
  • Registered weight class: -54,0 kg
  • Source competition limit: -54,0 kg

No matches in the rating period · no valid weight evidence

GILAND BJJ KIDS GI & NO-GI 2025
≤ 54 kg · Counts as a competition event
Kids Boys GI / Grey - Yellow / Infanto Juvenil A / -54,0 kg
  • Registered weight class: -54,0 kg
  • Source competition limit: -54,0 kg

2 matches in the rating period

EUROPE CUP BJJ 2025 - ETAPA FINAL
≤ 54 kg · Does not count
Kids Boys GI / Yellow / Infanto Juvenil A / -54,0 kg
  • Registered weight class: -54,0 kg
  • Source competition limit: -54,0 kg

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

COSTA DAURADA BJJ CUP GI & NO-GI 2025
≤ 54 kg · Does not count
Kids Boys NO-GI / Yellow / Infanto Juvenil A / -54,0 kg
  • Registered weight class: -54,0 kg
  • Source competition limit: -54,0 kg

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

COSTA DAURADA BJJ CUP GI & NO-GI 2025
≤ 54 kg · Does not count
Kids Boys GI / Yellow / Infanto Juvenil A / -54,0 kg
  • Registered weight class: -54,0 kg
  • Source competition limit: -54,0 kg

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

Classification evidence

Why Yellow?

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

  • yellow 10 matches in the rating period Selected outcome
  • orange 3 matches in the rating period

Registrations and outcomes

KIMURA CUP SALOU
orange · Counts as a match
Boys Gi / Orange / Teen / -56 kg
  • Source belt category: orange

3 matches in the rating period

GIRONA BJJ CUP GI & NO-GI 2026
yellow · Counts as a match
Kids Boys GI / Yellow / Infanto Juvenil B / -55,0 kg
  • Source belt category: yellow

1 match in the rating period

GILAND BJJ KIDS GI & NO-GI 2025
yellow · Counts as a match
Kids Boys GI / Grey - Yellow / Infanto Juvenil A / -54,0 kg
  • Source belt category: yellow

2 matches in the rating period

EUROPE CUP BJJ 2025 - ETAPA FINAL
yellow · Counts as a match
Kids Boys GI / Yellow / Infanto Juvenil A / -54,0 kg
  • Source belt category: yellow

2 matches in the rating period

COSTA DAURADA BJJ CUP GI & NO-GI 2025
yellow · Counts as a match
Kids Boys NO-GI / Yellow / Infanto Juvenil A / -54,0 kg
  • Source belt category: yellow

2 matches in the rating period

COSTA DAURADA BJJ CUP GI & NO-GI 2025
yellow · Counts as a match
Kids Boys GI / Yellow / Infanto Juvenil A / -54,0 kg
  • Source belt category: yellow

3 matches in the rating period