David Okenica - Rating | TopBJJ Index

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 1,220

Rating-period composition

Rating matches: 16 0
Record: 4–12 Previous month 4–12
Opponents: 13 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.

July 2026 No new matches Change -1 Rating 1,220

Rating-period composition

Rating matches: 16 0
Record: 4–12 Previous month 4–12
Opponents: 13 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.

June 2026 No new matches · 2 left period Change +19 Rating 1,221

Rating-period composition

Rating matches: 16 -2
Record: 4–12 Previous month 4–14
Opponents: 13 -2
Events: 3 -1

2 older matches left the 12-month period: 0 won and 2 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 0 Rating 1,202

Rating-period composition

Rating matches: 18 0
Record: 4–14 Previous month 4–14
Opponents: 15 0
Events: 4 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 1,202

Rating-period composition

Rating matches: 18 0
Record: 4–14 Previous month 4–14
Opponents: 15 0
Events: 4 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 +3 Rating 1,202

Rating-period composition

Rating matches: 18 0
Record: 4–14 Previous month 4–14
Opponents: 15 0
Events: 4 0

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

February 2026 6 new matches Change -34 Rating 1,199

Rating-period composition

Rating matches: 18 +6
Record: 4–14 Previous month 4–8
Opponents: 15 +5
Events: 4 +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

February 21, 2026 Damien Vajcner

TATAMY 19: Czech Open Championship (kids) Kids / No Gi / 13-14 years / Boys / Beginner / -65 kg

Method Submission 02:27 0–2

Marginal influence -9

Loss

February 21, 2026 Tykhon Mernenko

TATAMY 19: Czech Open Championship (kids) Kids / No Gi / 13-14 years / Boys / Beginner / -65 kg

Method Submission 01:17 0–0

Marginal influence -9

Loss

February 21, 2026 Ivan Avramkin

TATAMY 19: Czech Open Championship (kids) Kids / No Gi / 13-14 years / Boys / Beginner / -65 kg

Method Submission 03:20 0–0

Marginal influence -10

Loss

February 21, 2026 Adam Šamárek

TATAMY 19: Czech Open Championship (kids) Kids / No Gi / 13-14 years / Boys / Beginner / -65 kg

Method Points 04:00 0–10

Marginal influence -8

Loss

February 21, 2026 Tykhon Mernenko

TATAMY 19: Czech Open Championship (kids) Kids / Gi / 13-14 years / Boys / White/grey belt / -65 kg

Method Submission 02:09 2–6

Marginal influence -7

Loss

February 21, 2026 Valeriy Dzharty

TATAMY 19: Czech Open Championship (kids) Kids / Gi / 13-14 years / Boys / White/grey belt / -65 kg

Method Submission 02:05 0–2

Marginal influence -9

January 2026 No new matches Change -1 Rating 1,233

Rating-period composition

Rating matches: 12 0
Record: 4–8 Previous month 4–8
Opponents: 10 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.

December 2025 No new matches Change +5 Rating 1,234

Rating-period composition

Rating matches: 12 0
Record: 4–8 Previous month 4–8
Opponents: 10 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.

November 2025 No new matches Change -3 Rating 1,229

Rating-period composition

Rating matches: 12 0
Record: 4–8 Previous month 4–8
Opponents: 10 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.

October 2025 No new matches Change +2 Rating 1,232

Rating-period composition

Rating matches: 12 0
Record: 4–8 Previous month 4–8
Opponents: 10 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.

September 2025 10 new matches Change +119 Rating 1,230

Rating-period composition

Rating matches: 12 +10
Record: 4–8 Previous month 0–2
Opponents: 10 +8
Events: 3 +2

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

September 27, 2025 Jaroslav Tobiška

2025 AGF Prague Open Gi Kids / Boys / Juniors (12 - 13 yrs) / White / Middle II (Up to 61.20 kg)

Method Submission 01:06 9–0

Marginal influence +8

Win

September 27, 2025 Jaroslav Tobiška

2025 AGF Prague Open Gi Kids / Boys / Juniors (12 - 13 yrs) / White / Middle II (Up to 61.20 kg)

Method Submission 00:30 2–0

Marginal influence +8

Loss

September 20, 2025 Lucas Parajňák

TATAMY 16 KIDS (No-GI and GI round robin) Kids / No Gi / 13-14 years / Boys / Beginner / -65 kg

Method Submission 01:08 0–0

Marginal influence -7

Loss

September 20, 2025 Vojtěch Sedlák

TATAMY 16 KIDS (No-GI and GI round robin) Kids / No Gi / 13-14 years / Boys / Beginner / -65 kg

Method Points 04:00 0–3

Marginal influence -14

Loss

September 20, 2025 Michal Pařil

TATAMY 16 KIDS (No-GI and GI round robin) Kids / No Gi / 13-14 years / Boys / Beginner / -65 kg

Method Submission 02:55 0–0

Marginal influence -9

Win

September 20, 2025 Josef Hanzlíček

TATAMY 16 KIDS (No-GI and GI round robin) Kids / No Gi / 13-14 years / Boys / Beginner / -65 kg

Method Submission 03:06 0–0

Marginal influence +20

Loss

September 20, 2025 Michal Pařil

TATAMY 16 KIDS (No-GI and GI round robin) Kids / Gi / 13-14 years / Boys / White/grey belt / -65 kg

Method Submission 00:44 0–0

Marginal influence -4

Loss

September 20, 2025 Konrad Groß

TATAMY 16 KIDS (No-GI and GI round robin) Kids / Gi / 13-14 years / Boys / White/grey belt / -65 kg

Method Decision 04:00 0–0

Marginal influence -6

Win

September 20, 2025 Oliver Krajíček

TATAMY 16 KIDS (No-GI and GI round robin) Kids / Gi / 13-14 years / Boys / White/grey belt / -65 kg

Method Submission 00:27 0–0

Marginal influence +15

Loss

September 20, 2025 Jiří Priesol

TATAMY 16 KIDS (No-GI and GI round robin) Kids / Gi / 13-14 years / Boys / White/grey belt / -65 kg

Method Submission 02:34 0–2

Marginal influence -11

Relevant matches: 11.4

Official ranking percentile: Top 84%

Performance: 23.4 pp below expectation

11.4 weighted matches against 13 different opponents across 3 events

Weighted win rate: 22.7%
Expected win rate: 46.1%
Average opponent rating: 1,323
Repeated-opponent share: 18.8%
Network connectivity: 80.9%