David Seifert - 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 1,384

Rating-period composition

Rating matches: 12 0
Record: 8–4 Previous month 8–4
Opponents: 8 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 No new matches Change 0 Rating 1,384

Rating-period composition

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

June 2026 No new matches Change +1 Rating 1,384

Rating-period composition

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

May 2026 No new matches Change -2 Rating 1,383

Rating-period composition

Rating matches: 12 0
Record: 8–4 Previous month 8–4
Opponents: 8 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 6 new matches Change +67 Rating 1,385

Rating-period composition

Rating matches: 12 +6
Record: 8–4 Previous month 4–2
Opponents: 8 +3
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

April 12, 2026 Jakub Zadina

CFS 13 CZECH CHAMPIONSHIP ČSAKJ 2026 Grappling NoGi / U15 Junioři chlapci / -45 kg

Method Decision 0–0

Marginal influence +12

Win

April 12, 2026 Filip Linka

CFS 13 CZECH CHAMPIONSHIP ČSAKJ 2026 Grappling NoGi / U15 Junioři chlapci / -45 kg

Method Decision 0–0

Marginal influence +10

Loss

April 12, 2026 Unknown opponent

CFS 13 CZECH CHAMPIONSHIP ČSAKJ 2026 MMA Light / U15 Junioři chlapci / -45 kg

Method Points 02:00 0–1

Marginal influence -9

Win

April 12, 2026 Serhii Zhyla

CFS 13 CZECH CHAMPIONSHIP ČSAKJ 2026 MMA Light / U15 Junioři chlapci / -45 kg

Method Points 01:17 1–0

Marginal influence +9

Loss

April 12, 2026 Unknown opponent

CFS 13 CZECH CHAMPIONSHIP ČSAKJ 2026 Grappling NoGi / U15 Junioři chlapci / -45 kg

Method Submission 00:32 0–0

Marginal influence -12

Win

April 12, 2026 Lukáš Kasík

CFS 13 CZECH CHAMPIONSHIP ČSAKJ 2026 Grappling NoGi / U15 Junioři chlapci / -45 kg

Method Submission 01:21 4–0

Marginal influence +11

March 2026 2 new matches Change -2 Rating 1,318

Rating-period composition

Rating matches: 6 +2
Record: 4–2 Previous month 3–1
Opponents: 5 +2
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

March 21, 2026 Jakub Zadina

TATAMY 20: PRAGUE - KIDS (round robin) Kids / No Gi / 13-14 years / Boys / Beginner / -45 kg

Method Points 04:00 2–0

Marginal influence +14

Loss

March 21, 2026 Nikolas Soudný

TATAMY 20: PRAGUE - KIDS (round robin) Kids / No Gi / 13-14 years / Boys / Beginner / -45 kg

Method Decision 04:00 0–0

Marginal influence -24

February 2026 No new matches Change -5 Rating 1,320

Rating-period composition

Rating matches: 4 0
Record: 3–1 Previous month 3–1
Opponents: 3 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 0 Rating 1,325

Rating-period composition

Rating matches: 4 0
Record: 3–1 Previous month 3–1
Opponents: 3 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 +1 Rating 1,325

Rating-period composition

Rating matches: 4 0
Record: 3–1 Previous month 3–1
Opponents: 3 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 2 new matches Change +38 Rating 1,324

Rating-period composition

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

Win

November 1, 2025 David Sevcenko

TATAMY 17 KIDS (No-GI and GI round robin) Kids / No Gi / 13-14 years / Boys / Beginner / -45 kg

Method Disqualification 03:47 2–0

Marginal influence +16

Loss

November 1, 2025 Unknown opponent

TATAMY 17 KIDS (No-GI and GI round robin) Kids / No Gi / 13-14 years / Boys / Beginner / -45 kg

Method Submission 01:43 0–0

Marginal influence -15

October 2025 2 new matches Change Starting point Rating 1,286

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 Maksym Dobei

CZECH FIGHTING SERIES 11, Samurai Cup 2025 MMA Light / U15 Junioři chlapci / -45 kg

Method Points 0–0

Marginal influence +10

Win

October 18, 2025 Maksym Dobei

CZECH FIGHTING SERIES 11, Samurai Cup 2025 MMA Light / U15 Junioři chlapci / -45 kg

Method Other recorded result 0–0

Marginal influence +10

Relevant matches: 8.2

Official ranking percentile: Top 32%

Performance: 14.6 pp above expectation

8.2 weighted matches against 8 different opponents across 4 events

Weighted win rate: 66.3%
Expected win rate: 51.6%
Average opponent rating: 1,305
Repeated-opponent share: 33.3%
Network connectivity: 80.9%