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Don Devon Singh

Jiu Jitsu Factory

U10 -34 kg
W–L
-
Won and lost rating-eligible matches in the past 12 months.
Gi
-
Rating based on Gi matches in the past 12 months.
No-Gi
-
Rating based on No-Gi matches in the past 12 months.
Current form
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Results from the ten most recent rating-eligible matches.
Opponents
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Unique opponents faced in rating-eligible matches in the past 12 months.

Tournament history

Events

7
Events
Date Event Result Format Division
Nijmegen Open BJJ 2025 the Netherlands · Gi · 8–9 yo · grey/yellow · ≤34 kg 0–2 W–L: Win / Loss Gi
  • Place #5
Lion Cub Jiu Jitsu Competition 4 the Netherlands · Gi · 8–9 yo · grey/yellow · ≤30 kg ; No-Gi · 8–9 yo · grey/yellow · ≤30/34 kg 0–5 W–L: Win / Loss GiNo-Gi
  • Boys GI / 8 & 9 years old (DAY 2: Sunday) / Grey & Yellow belt / -30 kg
  • Place #6
Lion Cub Jiu Jitsu Competition 3 the Netherlands · Gi · 6–7 yo · grey · ≤27 kg 1–1 W–L: Win / Loss Gi
  • Boys / 6 - 7 years / Grey / -27 kg
Nijmegen Open BJJ 2024 the Netherlands · Gi · 6–7 yo · grey · ≤27 kg 1–2 W–L: Win / Loss Gi
  • Place #5
Lion Cub Jiu Jitsu Competition 2 the Netherlands · Gi · 6–7 yo · grey · ≤27/30 kg 0–3 W–L: Win / Loss Gi
  • Place #6
Nijmegen Open BJJ 2023 the Netherlands · Gi · 6–7 yo · white/grey · ≤24 kg 1–2 W–L: Win / Loss Gi
  • Place #6
BATAVI OPEN - Kids Edition 2022 the Netherlands · Gi · 4–5 yo · white · ≤20/25/30 kg 1–1 W–L: Win / Loss Gi KIDS / 4 - 5 years Boys / White / -20, -25 & -30 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.

April 2026 No new matches · 5 left period Change -70 Rating 1,103

Rating-period composition

Rating matches
2 -5
Record
0–2 Previous month 0–7
Opponents
2 -4
Events
1 -1

5 older matches left the 12-month period: 0 won and 5 lost. The rating is then recalculated across the full network, so the monthly change is not a sum of separate deductions.

March 2026 No new matches Change 0 Rating 1,173

Rating-period composition

Rating matches
7 0
Record
0–7 Previous month 0–7
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.

February 2026 No new matches Change +1 Rating 1,173

Rating-period composition

Rating matches
7 0
Record
0–7 Previous month 0–7
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.

January 2026 No new matches Change -1 Rating 1,172

Rating-period composition

Rating matches
7 0
Record
0–7 Previous month 0–7
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.

December 2025 No new matches Change 0 Rating 1,173

Rating-period composition

Rating matches
7 0
Record
0–7 Previous month 0–7
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.

November 2025 No new matches Change +4 Rating 1,173

Rating-period composition

Rating matches
7 0
Record
0–7 Previous month 0–7
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.

October 2025 No new matches · 2 left period Change -24 Rating 1,169

Rating-period composition

Rating matches
7 -2
Record
0–7 Previous month 1–8
Opponents
6 -2
Events
2 -1

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

September 2025 No new matches Change -3 Rating 1,193

Rating-period composition

Rating matches
9 0
Record
1–8 Previous month 1–8
Opponents
8 0
Events
3 0

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

Relevant matches
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Official ranking percentile
-
Performance
-

- weighted matches against - different opponents across 0 events

Weighted win rate
-
Expected win rate
-
Average opponent rating
-
Repeated-opponent share
-
Network connectivity
-