Sergio Calderón Losada - Rating

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

March 14, 2026 Santiago Aguilar Matheus

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

October 18, 2025 Logan De Las Salas Herrera

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%