David Sekanina - Rating

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 1,236

Rating-period composition

Rating matches: 9 0
Record: 5–4 Previous month 5–4
Opponents: 6 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 1,236

Rating-period composition

Rating matches: 9 0
Record: 5–4 Previous month 5–4
Opponents: 6 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 0 Rating 1,236

Rating-period composition

Rating matches: 9 0
Record: 5–4 Previous month 5–4
Opponents: 6 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 +6 Rating 1,236

Rating-period composition

Rating matches: 9 0
Record: 5–4 Previous month 5–4
Opponents: 6 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 +1 Rating 1,230

Rating-period composition

Rating matches: 9 0
Record: 5–4 Previous month 5–4
Opponents: 6 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 -11 Rating 1,229

Rating-period composition

Rating matches: 9 0
Record: 5–4 Previous month 5–4
Opponents: 6 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 2 new matches Change +23 Rating 1,240

Rating-period composition

Rating matches: 9 +2
Record: 5–4 Previous month 3–4
Opponents: 6 0
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

February 21, 2026 Alexander Krajča

TATAMY 19: Czech Open Championship (kids) Kids / Gi / 10-12 years / Boys / White/grey belt / -60 kg

Method Submission 01:01 4–0

Marginal influence +13

Win

February 21, 2026 Alexander Krajča

TATAMY 19: Czech Open Championship (kids) Kids / Gi / 10-12 years / Boys / White/grey belt / -60 kg

Method Submission 00:55 6–0

Marginal influence +13

January 2026 No new matches Change +9 Rating 1,217

Rating-period composition

Rating matches: 7 0
Record: 3–4 Previous month 3–4
Opponents: 6 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 1 new match Change -24 Rating 1,208

Rating-period composition

Rating matches: 7 +1
Record: 3–4 Previous month 3–3
Opponents: 6 +1
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.

Loss

December 6, 2025 Matej Mezes

TATAMY 18 KIDS (No-GI and GI round robin) Kids / Gi / 13-14 years / Boys / White/grey belt / -60 kg

Method Points 04:00 0–3

Marginal influence -32

November 2025 4 new matches Change -24 Rating 1,232

Rating-period composition

Rating matches: 6 +4
Record: 3–3 Previous month 2–0
Opponents: 5 +4
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

November 1, 2025 David Rosenbaum

TATAMY 17 KIDS (No-GI and GI round robin) Kids / Gi / 10-12 years / Boys / White/grey belt / +60 kg

Method Points 04:00 -1–0

Marginal influence -33

Loss

November 1, 2025 Erik Auramioti

TATAMY 17 KIDS (No-GI and GI round robin) Kids / Gi / 10-12 years / Boys / White/grey belt / +60 kg

Method Points 04:00 0–5

Marginal influence -21

Win

November 1, 2025 Michael Nováček

TATAMY 17 KIDS (No-GI and GI round robin) Kids / Gi / 10-12 years / Boys / White/grey belt / +60 kg

Method Points 04:00 3–0

Marginal influence +33

Loss

November 1, 2025 Tomas Rezac

TATAMY 17 KIDS (No-GI and GI round robin) Kids / Gi / 10-12 years / Boys / White/grey belt / +60 kg

Method Points 04:00 0–5

Marginal influence -16

October 2025 No new matches Change 0 Rating 1,256

Rating-period composition

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

September 2025 2 new matches Change Starting point Rating 1,256

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 20, 2025 Alexander Krajča

TATAMY 16 KIDS (No-GI and GI round robin) Kids / Gi / 10-12 years / Boys / White/grey belt / -60 kg

Method Submission 00:29 0–0

Marginal influence +13

Win

September 20, 2025 Alexander Krajča

TATAMY 16 KIDS (No-GI and GI round robin) Kids / Gi / 10-12 years / Boys / White/grey belt / -60 kg

Method Submission 00:27 0–0

Marginal influence +13

Relevant matches: 5.5

Official ranking percentile: Top 79%

Performance: 5.9 pp above expectation

5.5 weighted matches against 6 different opponents across 4 events

Weighted win rate: 45.8%
Expected win rate: 39.9%
Average opponent rating: 1,225
Repeated-opponent share: 33.3%
Network connectivity: 80.9%