David Pinkas - 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 -1 Rating 1,468

Rating-period composition

Rating matches: 19 0
Record: 14–5 Previous month 14–5
Opponents: 14 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.

July 2026 5 new matches Change +19 Rating 1,469

Rating-period composition

Rating matches: 19 +5
Record: 14–5 Previous month 11–3
Opponents: 14 +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.

Win

July 11, 2026 Ema Linkova

Pardubice Grappling Open vol.7 Boys Junior GI / 11-12 years / -45 kg / Intermediate

Method Points 04:00 2–0

Marginal influence +18

Win

July 11, 2026 Maksym Kalynych

Pardubice Grappling Open vol.7 Boys Junior GI / 11-12 years / -45 kg / Intermediate

Method Submission 00:55 0–0

Marginal influence +8

Win

July 11, 2026 Volodymyr Demchuk

Pardubice Grappling Open vol.7 Boys Junior GI / 11-12 years / -45 kg / Intermediate

Method Submission 00:31 0–0

Marginal influence +11

Loss

July 11, 2026 Unknown opponent

Pardubice Grappling Open vol.7 Boys Junior No-GI / 13-14 years / -45 kg / Intermediate

Method Submission 02:44 0–3

Marginal influence -20

Loss

July 11, 2026 Matyáš Barák

Pardubice Grappling Open vol.7 Boys Junior No-GI / 13-14 years / -45 kg / Intermediate

Method Submission 00:09 0–0

Marginal influence -12

June 2026 1 new match Change +25 Rating 1,450

Rating-period composition

Rating matches: 14 +1
Record: 11–3 Previous month 10–3
Opponents: 9 0
Events: 3 +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

June 20, 2026 Karel Kolář

Open Czech championship submission only 2026 GI - Kids boys 10-13y / -45 kg / Grey belt

Method Decision 03:39 0–0

Marginal influence +19

May 2026 No new matches Change +4 Rating 1,425

Rating-period composition

Rating matches: 13 0
Record: 10–3 Previous month 10–3
Opponents: 9 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.

April 2026 No new matches Change +7 Rating 1,421

Rating-period composition

Rating matches: 13 0
Record: 10–3 Previous month 10–3
Opponents: 9 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.

March 2026 9 new matches Change +38 Rating 1,414

Rating-period composition

Rating matches: 13 +9
Record: 10–3 Previous month 4–0
Opponents: 9 +5
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.

Win

March 21, 2026 Kyryl Chupryna

TATAMY 20: PRAGUE - KIDS (round robin) Kids / No Gi / 10-12 years / Boys / Beginner / -50 kg

Method Submission 03:18 4–0

Marginal influence +2

Win

March 21, 2026 Kyryl Chupryna

TATAMY 20: PRAGUE - KIDS (round robin) Kids / No Gi / 10-12 years / Boys / Beginner / -50 kg

Method Submission 03:08 0–0

Marginal influence +2

Loss

March 21, 2026 Karel Kolář

TATAMY 20: PRAGUE - KIDS (round robin) Kids / No Gi / 10-12 years / Boys / Beginner / -50 kg

Method Decision 04:00 0–0

Marginal influence -16

Win

March 21, 2026 Henry Daiber Tran

TATAMY 20: PRAGUE - KIDS (round robin) Kids / No Gi / 10-12 years / Boys / Beginner / -50 kg

Method Decision 04:00 0–0

Marginal influence +3

Loss

March 21, 2026 Matyas Divisek

TATAMY 20: PRAGUE - KIDS (round robin) Kids / No Gi / 10-12 years / Boys / Beginner / -50 kg

Method Points 04:00 0–2

Marginal influence -15

Win

March 21, 2026 Vladimír Šaffa

TATAMY 20: PRAGUE - KIDS (round robin) Kids / Gi / 10-12 years / Boys / White/grey belt / -50 kg

Method Submission 00:50 6–0

Marginal influence +9

Win

March 21, 2026 Matyas Divisek

TATAMY 20: PRAGUE - KIDS (round robin) Kids / Gi / 10-12 years / Boys / White/grey belt / -50 kg

Method Disqualification 01:12 0–0

Marginal influence +13

Win

March 21, 2026 Maxmilian Paroulek

TATAMY 20: PRAGUE - KIDS (round robin) Kids / Gi / 10-12 years / Boys / White/grey belt / -50 kg

Method Submission 01:27 6–0

Marginal influence +12

Loss

March 21, 2026 Henry Daiber Tran

TATAMY 20: PRAGUE - KIDS (round robin) Kids / Gi / 10-12 years / Boys / White/grey belt / -50 kg

Method Submission 00:25 0–3

Marginal influence -14

February 2026 No new matches Change +11 Rating 1,376

Rating-period composition

Rating matches: 4 0
Record: 4–0 Previous month 4–0
Opponents: 4 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 -1 Rating 1,365

Rating-period composition

Rating matches: 4 0
Record: 4–0 Previous month 4–0
Opponents: 4 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 1,366

Rating-period composition

Rating matches: 4 0
Record: 4–0 Previous month 4–0
Opponents: 4 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 No new matches · 8 left period Change +43 Rating 1,366

Rating-period composition

Rating matches: 4 -8
Record: 4–0 Previous month 6–6
Opponents: 4 -6
Events: 1 -2

8 older matches left the 12-month period: 2 won and 6 lost. The rating is then recalculated across the full network, so the monthly change is not a sum of separate deductions.

October 2025 4 new matches · 9 left period Change -61 Rating 1,323

Rating-period composition

Rating matches: 12 -5
Record: 6–6 Previous month 10–7
Opponents: 10 -3
Events: 3 -1

9 older matches left the 12-month period: 8 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

October 5, 2025 Matyas Divisek

AOM Cup Kids 3 Boys Gi / White, Grey / U12 (2015,2014,2013) / -42 kg

Method Submission 02:10 0–0

Marginal influence +14

Win

October 5, 2025 Šimon Chalupa

AOM Cup Kids 3 Boys Gi / White, Grey / U12 (2015,2014,2013) / -42 kg

Method Submission 01:02 6–0

Marginal influence +12

Win

October 5, 2025 Tadeáš Sokol

AOM Cup Kids 3 Boys Gi / White, Grey / U12 (2015,2014,2013) / -42 kg

Method Submission 02:51 5–0

Marginal influence +10

Win

October 5, 2025 Tibor Culek

AOM Cup Kids 3 Boys NoGi / White / U12 (2015,2014,2013) / -46 kg

Method Submission 03:32 0–0

Marginal influence 0

September 2025 No new matches Change -2 Rating 1,384

Rating-period composition

Rating matches: 17 0
Record: 10–7 Previous month 10–7
Opponents: 13 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.

Relevant matches: 13.6

Official ranking percentile: Top 12%

Performance: 16.5 pp above expectation

13.6 weighted matches against 14 different opponents across 4 events

Weighted win rate: 72.3%
Expected win rate: 55.7%
Average opponent rating: 1,356
Repeated-opponent share: 26.3%
Network connectivity: 80.9%