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Dominik Čejka

GFT Brno

W–L
4–4
Won and lost rating-eligible matches in the past 12 months.
Gi
-
Rating based on Gi matches in the past 12 months.
No-Gi
1,275
Rating based on No-Gi matches in the past 12 months.
Current form
4–4
Results from the ten most recent rating-eligible matches.
Opponents
6
Unique opponents faced in rating-eligible matches in the past 12 months.

Honours

Medals and placements

Gold
0
Silver
0
Bronze
3
Total medals
3
Events with results
5

Full career record

Wins
6
Losses
14
Matches
20
Win rate
30.0%

Ways of winning

Submission
2
Points
2
Decision
1
Disqualification
0

Personal records

Longest winning streak
4
Longest submission streak
2

Recent recorded placements

12-month performance profile

How the results were achieved

Past 12 months
Current win streak
1
Unique opponents
6
Distinct events
2

Ways of winning

  • Submission 2 50%
  • Points 1 25%
  • Decision 1 25%
  • Other recorded result 0 0%

Gi versus No-Gi

Gi

Rating
-
Record
-
Win rate
-
Submission share
-

No-Gi

Rating
1275
Record
4–4
Win rate
50%
Submission share
50%

Win quality

Grouped by pre-match win probability. This provides context and does not award an extra rating bonus.

As underdog 0–0 Less than 35% expected win probability before the match.
Even match 0–0 Between 35% and 65% expected win probability before the match.
As favourite 0–0 More than 65% expected win probability before the match.

Development

Rating and development

The same published rating, supported by trend, opponent strength and evidence quality.

Current rating
1,275
Change over 90 days
+22
Highest rating in 12 months
1,223
Performance versus expectation
-
Schedule strength
-
Average opponent rating
1,371
Weighted win rate
-
Expected win rate
-
Repeat-opponent share
25%
Effective evidence
4.8
Confidence
66/100

Opponents

Opposition and rivalries

The strongest recorded win, rematches and opponents faced repeatedly.

Rematches 2–4 2–4 across 6 rematches against 3 repeat opponents.

Top 10 highest-ranked defeated opponents

Past 12 months

  1. #1726 Krystof Rompot · TATAMY 18 KIDS (No-GI and GI round robin) Pts 3–0

Full career

  1. #1726 Krystof Rompot · TATAMY 18 KIDS (No-GI and GI round robin) Pts 3–0

Rivals

Opponent Head-to-head record Matches
Matej Mezes 2–0 2
Pavel Pachner 0–2 2

Around this athlete

Athlete Rank Rating
Mia Casapu #2089 1,275
Dominik Čejka #2090 1,275
Barbora Řepková #2091 1,274

Recent tournaments

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 1,275

Rating-period composition

Rating matches
8 0
Record
4–4 Previous month 4–4
Opponents
6 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 1,275

Rating-period composition

Rating matches
8 0
Record
4–4 Previous month 4–4
Opponents
6 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 -1 Rating 1,275

Rating-period composition

Rating matches
8 0
Record
4–4 Previous month 4–4
Opponents
6 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 · 3 left period Change +48 Rating 1,276

Rating-period composition

Rating matches
8 -3
Record
4–4 Previous month 4–7
Opponents
6 -3
Events
2 -1

3 older matches left the 12-month period: 0 won and 3 lost. The rating is then recalculated across the full network, so the monthly change is not a sum of separate deductions.

April 2026 No new matches Change -1 Rating 1,228

Rating-period composition

Rating matches
11 0
Record
4–7 Previous month 4–7
Opponents
9 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.

March 2026 No new matches Change +4 Rating 1,229

Rating-period composition

Rating matches
11 0
Record
4–7 Previous month 4–7
Opponents
9 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.

February 2026 No new matches Change +3 Rating 1,225

Rating-period composition

Rating matches
11 0
Record
4–7 Previous month 4–7
Opponents
9 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.

January 2026 No new matches Change -1 Rating 1,222

Rating-period composition

Rating matches
11 0
Record
4–7 Previous month 4–7
Opponents
9 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 4 new matches Change +93 Rating 1,223

Rating-period composition

Rating matches
11 +4
Record
4–7 Previous month 1–6
Opponents
9 +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
December 6, 2025 Krystof Rompot
TATAMY 18 KIDS (No-GI and GI round robin) Kids / No Gi / 13-14 years / Boys / Beginner / -60 kg
Method Points 04:00 3–0
Marginal influence +19
Loss
December 6, 2025 Unknown opponent
TATAMY 18 KIDS (No-GI and GI round robin) Kids / No Gi / 13-14 years / Boys / Beginner / -60 kg
Method Submission 01:41 0–0
Marginal influence -15
Win
December 6, 2025 Matej Mezes
TATAMY 18 KIDS (No-GI and GI round robin) Kids / No Gi / 13-14 years / Boys / Beginner / -60 kg
Method Submission 00:39 0–0
Marginal influence +15
Win
December 6, 2025 Matej Mezes
TATAMY 18 KIDS (No-GI and GI round robin) Kids / No Gi / 13-14 years / Boys / Beginner / -60 kg
Method Submission 01:32 0–0
Marginal influence +15
November 2025 No new matches Change +4 Rating 1,130

Rating-period composition

Rating matches
7 0
Record
1–6 Previous month 1–6
Opponents
7 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.

October 2025 No new matches Change 0 Rating 1,126

Rating-period composition

Rating matches
7 0
Record
1–6 Previous month 1–6
Opponents
7 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.

September 2025 4 new matches · 5 left period Change -75 Rating 1,126

Rating-period composition

Rating matches
7 -1
Record
1–6 Previous month 1–7
Opponents
7 0
Events
2 0

5 older matches left the 12-month period: 1 won and 4 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
September 20, 2025 Vratko Pjontek
TATAMY 16 KIDS (No-GI and GI round robin) Kids / No Gi / 13-14 years / Boys / Beginner / -55 kg
Method Decision 04:00 0–0
Marginal influence +27
Loss
September 20, 2025 Unknown opponent
TATAMY 16 KIDS (No-GI and GI round robin) Kids / No Gi / 13-14 years / Boys / Beginner / -55 kg
Method Points 04:00 0–4
Marginal influence -15
Loss
September 20, 2025 Timur Mitaev
TATAMY 16 KIDS (No-GI and GI round robin) Kids / No Gi / 13-14 years / Boys / Beginner / -55 kg
Method Submission 01:08 0–0
Marginal influence -18
Loss
September 20, 2025 Ivo Chmelař
TATAMY 16 KIDS (No-GI and GI round robin) Kids / No Gi / 13-14 years / Boys / Beginner / -55 kg
Method Submission 00:48 0–0
Marginal influence -17
Relevant matches
4.8
Official ranking percentile
Top 69%
Performance
-

4.8 weighted matches against 6 different opponents across 2 events

Weighted win rate
-
Expected win rate
-
Average opponent rating
1,371
Repeated-opponent share
25.0%
Network connectivity
80.9%

Classification evidence

Why U16?

Within the published period from 2025-09-01 through 2026-08-31, only competition ages recorded at events in the calculation year determine this outcome, with at most one vote per event. Without such an age, the most recent unambiguous earlier competition age is projected to the calculation year; bracket evidence is the final fallback. The newest evidence breaks a tie.

Evidence outcome

  • U16 1 event vote Selected outcome

Registrations and outcomes

TATAMY 19: Czech Open Championship (kids)
Does not count
Kids / No Gi / 15-18 years / Boys / Beginner / -55 kg
  • Competition age 15
Kids / No Gi / 15-18 years / Boys / Beginner / -60 kg
  • Competition age 15
TATAMY 18 KIDS (No-GI and GI round robin)
U16 · Counts
Kids / No Gi / 13-14 years / Boys / Beginner / -60 kg
  • Competition age 14
TATAMY 16 KIDS (No-GI and GI round robin)
Does not count
Kids / No Gi / 13-14 years / Boys / Beginner / -55 kg
  • Competition age 14

Classification evidence

Why ≤ 55 kg?

This outcome uses at most one unambiguous upper weight limit per completed ranking event from 2025-09-01 through 2026-08-31. Only the three most recent eligible events are considered, and the lightest verified upper limit is selected. A higher division is not treated as measured body weight.

Evidence outcome

  • ≤ 55 kg 1 competition event Selected outcome
  • ≤ 60 kg 1 competition event

Registrations and outcomes

TATAMY 19: Czech Open Championship (kids)
Does not count
Kids / No Gi / 15-18 years / Boys / Beginner / -55 kg
  • Registered weight class: -55 kg
  • Source competition limit: -55 kg

No matches in the rating period · no valid weight evidence

TATAMY 19: Czech Open Championship (kids)
Does not count
Kids / No Gi / 15-18 years / Boys / Beginner / -60 kg
  • Registered weight class: -60 kg
  • Source competition limit: -60 kg

No matches in the rating period · no valid weight evidence

TATAMY 18 KIDS (No-GI and GI round robin)
≤ 60 kg · Counts as a competition event
Kids / No Gi / 13-14 years / Boys / Beginner / -60 kg
  • Registered weight class: -60 kg
  • Source competition limit: -60 kg

4 matches in the rating period

TATAMY 16 KIDS (No-GI and GI round robin)
≤ 55 kg · Counts as a competition event
Kids / No Gi / 13-14 years / Boys / Beginner / -55 kg
  • Registered weight class: -55 kg
  • Source competition limit: -55 kg

4 matches in the rating period