David Grgula - 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 1,300

Rating-period composition

Rating matches: 4 0
Record: 3–1 Previous month 3–1
Opponents: 4 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.

July 2026 No new matches Change 0 Rating 1,300

Rating-period composition

Rating matches: 4 0
Record: 3–1 Previous month 3–1
Opponents: 4 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.

June 2026 No new matches Change +6 Rating 1,300

Rating-period composition

Rating matches: 4 0
Record: 3–1 Previous month 3–1
Opponents: 4 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.

May 2026 No new matches Change -1 Rating 1,294

Rating-period composition

Rating matches: 4 0
Record: 3–1 Previous month 3–1
Opponents: 4 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 2 new matches Change +11 Rating 1,295

Rating-period composition

Rating matches: 4 +2
Record: 3–1 Previous month 2–0
Opponents: 4 +2
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.

Loss

April 25, 2026 Tobiáš Podroužek

GRIND 13 Kids (NO-GI & GI ROUND ROBIN) Gi / 13-14 years / Boy / -55 kg / Beginner

Method Points 04:00 2–12

Marginal influence -52

Win

April 25, 2026 Adam Bartoš

GRIND 13 Kids (NO-GI & GI ROUND ROBIN) Gi / 13-14 years / Boy / -55 kg / Beginner

Method Points 04:00 9–4

Marginal influence +27

March 2026 No new matches Change +1 Rating 1,284

Rating-period composition

Rating matches: 2 0
Record: 2–0 Previous month 2–0
Opponents: 2 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.

February 2026 No new matches Change 0 Rating 1,283

Rating-period composition

Rating matches: 2 0
Record: 2–0 Previous month 2–0
Opponents: 2 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 2 new matches Change Starting point Rating 1,283

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

January 24, 2026 Kryštof Ladýř

GRIND 12 Kids (NO-GI & GI ROUND ROBIN) Gi / 13-14 years / Boy / -50 kg / Beginner

Method Submission 02:10 8–0

Marginal influence +26

Win

January 24, 2026 Eliáš Fuccillo

GRIND 12 Kids (NO-GI & GI ROUND ROBIN) Gi / 13-14 years / Boy / -50 kg / Beginner

Method Submission 02:00 4–0

Marginal influence +38

Relevant matches: 3.4

Official ranking percentile: -

Performance: -

3.4 weighted matches against 4 different opponents across 2 events

Weighted win rate: -
Expected win rate: -
Average opponent rating: 1,220
Repeated-opponent share: 0.0%
Network connectivity: 80.9%