Vojtěch Jána - 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 1,616

Rating-period composition

Rating matches: 43 0
Record: 35–8 Previous month 35–8
Opponents: 31 0
Events: 6 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 1,616

Rating-period composition

Rating matches: 43 0
Record: 35–8 Previous month 35–8
Opponents: 31 0
Events: 6 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 · 2 left period Change -13 Rating 1,616

Rating-period composition

Rating matches: 43 -2
Record: 35–8 Previous month 37–8
Opponents: 31 -2
Events: 6 -1

2 older matches left the 12-month period: 2 won and 0 lost. The rating is then recalculated across the full network, so the monthly change is not a sum of separate deductions.

May 2026 No new matches Change -7 Rating 1,629

Rating-period composition

Rating matches: 45 0
Record: 37–8 Previous month 37–8
Opponents: 33 0
Events: 7 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 +4 Rating 1,636

Rating-period composition

Rating matches: 45 0
Record: 37–8 Previous month 37–8
Opponents: 33 0
Events: 7 0

No matches were added or left the period. The change comes from the monthly revaluation of opponents across the full network.

March 2026 3 new matches Change +13 Rating 1,632

Rating-period composition

Rating matches: 45 +3
Record: 37–8 Previous month 35–7
Opponents: 33 +2
Events: 7 +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 Viktor Vacek

TATAMY 20: PRAGUE - KIDS (round robin) Kids / Gi / 10-12 years / Boys / White/grey belt / -32 kg

Method Submission 00:33 0–0

Marginal influence +6

Win

March 21, 2026 Unknown opponent

TATAMY 20: PRAGUE - KIDS (round robin) Kids / Gi / 10-12 years / Boys / White/grey belt / -32 kg

Method Submission 01:08 0–0

Marginal influence +6

Loss

March 21, 2026 Jan Rác

TATAMY 20: PRAGUE - KIDS (round robin) Kids / Gi / 10-12 years / Boys / White/grey belt / -32 kg

Method Submission 02:23 0–6

Marginal influence -9

February 2026 5 new matches Change +15 Rating 1,619

Rating-period composition

Rating matches: 42 +5
Record: 35–7 Previous month 30–7
Opponents: 31 +4
Events: 6 +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 Marcus Holcek

TATAMY 19: Czech Open Championship (kids) Kids / Gi / 10-12 years / Boys / White/grey belt / -32 kg

Method Submission 0–0

Marginal influence +3

Win

February 21, 2026 Marcus Holcek

TATAMY 19: Czech Open Championship (kids) Kids / Gi / 10-12 years / Boys / White/grey belt / -32 kg

Method Submission 00:12 0–0

Marginal influence +3

Win

February 21, 2026 Andrej Zywczak

TATAMY 19: Czech Open Championship (kids) Kids / Gi / 10-12 years / Boys / White/grey belt / -32 kg

Method Submission 00:45 0–0

Marginal influence +3

Win

February 21, 2026 Damian Oláh

TATAMY 19: Czech Open Championship (kids) Kids / Gi / 10-12 years / Boys / White/grey belt / -32 kg

Method Submission 01:51 14–0

Marginal influence +3

Win

February 21, 2026 Mark Unterberger

TATAMY 19: Czech Open Championship (kids) Kids / Gi / 10-12 years / Boys / White/grey belt / -32 kg

Method Submission 00:50 0–3

Marginal influence +5

January 2026 No new matches Change +2 Rating 1,604

Rating-period composition

Rating matches: 37 0
Record: 30–7 Previous month 30–7
Opponents: 27 0
Events: 5 0

No matches were added or left the period. The change comes from the monthly revaluation of opponents across the full network.

December 2025 9 new matches Change +34 Rating 1,602

Rating-period composition

Rating matches: 37 +9
Record: 30–7 Previous month 23–5
Opponents: 27 +5
Events: 5 +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 Mahulena Pirklová

TATAMY 18 KIDS (No-GI and GI round robin) Kids / Gi / 7-9 years / Mix / All levels / -32 kg

Method Submission 00:28 0–0

Marginal influence +3

Win

December 6, 2025 Aurélia Nena Holotová

TATAMY 18 KIDS (No-GI and GI round robin) Kids / Gi / 7-9 years / Mix / All levels / -32 kg

Method Submission 00:23 0–0

Marginal influence +4

Win

December 6, 2025 Unknown opponent

TATAMY 18 KIDS (No-GI and GI round robin) Kids / Gi / 7-9 years / Mix / All levels / -32 kg

Method Submission 00:20 0–0

Marginal influence +6

Win

December 6, 2025 Simon Ďurči

TATAMY 18 KIDS (No-GI and GI round robin) Kids / Gi / 7-9 years / Mix / All levels / -32 kg

Method Submission 00:11 0–0

Marginal influence +3

Win

December 6, 2025 Arina Grishanova

TATAMY 18 KIDS (No-GI and GI round robin) Kids / No Gi / 7-9 years / Mix / All levels / -32 kg

Method Submission 00:15 0–0

Marginal influence 0

Loss

December 6, 2025 Jiří Polzer

TATAMY 18 KIDS (No-GI and GI round robin) Kids / No Gi / 7-9 years / Mix / All levels / -32 kg

Method Submission 00:25 0–0

Marginal influence -5

Win

December 6, 2025 Unknown opponent

TATAMY 18 KIDS (No-GI and GI round robin) Kids / No Gi / 7-9 years / Mix / All levels / -32 kg

Method Submission 00:42 0–0

Marginal influence +1

Loss

December 6, 2025 Jiří Polzer

TATAMY 18 KIDS (No-GI and GI round robin) Kids / Gi / 7-9 years / Mix / All levels / -32 kg

Method Submission 02:54 0–4

Marginal influence -7

Win

December 6, 2025 Alexander Polák

TATAMY 18 KIDS (No-GI and GI round robin) Kids / Gi / 7-9 years / Mix / All levels / -32 kg

Method Submission 00:22 0–0

Marginal influence +6

November 2025 7 new matches Change +45 Rating 1,568

Rating-period composition

Rating matches: 28 +7
Record: 23–5 Previous month 17–4
Opponents: 22 +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

November 1, 2025 Unknown opponent

TATAMY 17 KIDS (No-GI and GI round robin) Kids / No Gi / 7-9 years / Mix / All levels / -32 kg

Method Submission 00:31 0–0

Marginal influence +3

Loss

November 1, 2025 Jiří Polzer

TATAMY 17 KIDS (No-GI and GI round robin) Kids / No Gi / 7-9 years / Mix / All levels / -32 kg

Method Submission 01:19 0–0

Marginal influence -6

Win

November 1, 2025 Filip Daruda

TATAMY 17 KIDS (No-GI and GI round robin) Kids / Gi / 7-9 years / Mix / All levels / -32 kg

Method Submission 00:46 0–1

Marginal influence +6

Win

November 1, 2025 Šimon Mareček

TATAMY 17 KIDS (No-GI and GI round robin) Kids / Gi / 7-9 years / Mix / All levels / -32 kg

Method Submission 00:13 0–0

Marginal influence +2

Win

November 1, 2025 Jiří Polzer

TATAMY 17 KIDS (No-GI and GI round robin) Kids / Gi / 7-9 years / Mix / All levels / -32 kg

Method Submission 00:42 0–0

Marginal influence +7

Win

November 1, 2025 Mahulena Pirklová

TATAMY 17 KIDS (No-GI and GI round robin) Kids / Gi / 7-9 years / Mix / All levels / -32 kg

Method Submission 00:16 0–0

Marginal influence +3

Win

November 1, 2025 Damir Murzin

TATAMY 17 KIDS (No-GI and GI round robin) Kids / Gi / 7-9 years / Mix / All levels / -32 kg

Method Submission 01:53 0–0

Marginal influence +9

October 2025 9 new matches · 7 left period Change +43 Rating 1,523

Rating-period composition

Rating matches: 21 +2
Record: 17–4 Previous month 13–6
Opponents: 17 +1
Events: 3 0

7 older matches left the 12-month period: 4 won and 3 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 Denis Kaplon

AOM Cup Kids 3 Boys NoGi / White / U09 (2017,2016) / -42 kg

Method Submission 00:49 0–2

Marginal influence +1

Win

October 5, 2025 Filip Vesely

AOM Cup Kids 3 Boys NoGi / White / U09 (2017,2016) / -42 kg

Method Disqualification 00:26 0–0

Marginal influence +1

Loss

October 5, 2025 Jan Koch

AOM Cup Kids 3 Boys NoGi / White / U09 (2017,2016) / -42 kg

Method Points 03:00 2–9

Marginal influence -11

Win

October 5, 2025 Darek Pobuda

AOM Cup Kids 3 Boys NoGi / White / U09 (2017,2016) / -42 kg

Method Submission 00:59 0–0

Marginal influence +6

Win

October 5, 2025 Vojtěch Šatava

AOM Cup Kids 3 NoGi Challenge / -28 kg

Method Submission 00:48 0–4

Marginal influence +4

Win

October 5, 2025 Darek Pobuda

AOM Cup Kids 3 Boys Gi / Grey, Yellow / U09 (2017,2016) / -30 kg

Method Submission 01:53 4–4

Marginal influence +12

Win

October 5, 2025 Tobiáš Kristián Kmeť

AOM Cup Kids 3 Boys Gi / Grey, Yellow / U09 (2017,2016) / -30 kg

Method Submission 01:21 2–2

Marginal influence +4

Win

October 5, 2025 Sebastian Petrovický

AOM Cup Kids 3 Boys Gi / Grey, Yellow / U09 (2017,2016) / -30 kg

Method Submission 01:30 0–0

Marginal influence +7

Win

October 5, 2025 Šimon Mareček

AOM Cup Kids 3 Boys Gi / Grey, Yellow / U09 (2017,2016) / -30 kg

Method Submission 00:15 0–0

Marginal influence +3

September 2025 10 new matches · 5 left period Change +12 Rating 1,480

Rating-period composition

Rating matches: 19 +5
Record: 13–6 Previous month 9–5
Opponents: 16 +4
Events: 3 0

5 older matches left the 12-month period: 3 won and 2 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.

Loss

September 20, 2025 Unknown opponent

TATAMY 16 KIDS (No-GI and GI round robin) Kids / Gi / 7-9 years / Mix / All levels / -28 kg

Method Submission 01:10 0–0

Marginal influence -9

Win

September 20, 2025 Unknown opponent

TATAMY 16 KIDS (No-GI and GI round robin) Kids / Gi / 7-9 years / Mix / All levels / -28 kg

Method Submission 00:19 0–0

Marginal influence +5

Win

September 20, 2025 Ludwig Biel

TATAMY 16 KIDS (No-GI and GI round robin) Kids / Gi / 7-9 years / Mix / All levels / -28 kg

Method Submission 00:19 0–0

Marginal influence +3

Win

September 20, 2025 Unknown opponent

TATAMY 16 KIDS (No-GI and GI round robin) Kids / Gi / 7-9 years / Mix / All levels / -28 kg

Method Submission 00:39 0–0

Marginal influence +5

Win

September 20, 2025 Vojtěch Šatava

TATAMY 16 KIDS (No-GI and GI round robin) Kids / Gi / 7-9 years / Mix / All levels / -28 kg

Method Submission 00:16 0–0

Marginal influence +9

Loss

September 20, 2025 Davyd Hyshpil

TATAMY 16 KIDS (No-GI and GI round robin) Kids / No Gi / 7-9 years / Mix / All levels / -28 kg

Method Disqualification 00:16 0–0

Marginal influence -10

Win

September 20, 2025 Ivan Avramenko

TATAMY 16 KIDS (No-GI and GI round robin) Kids / No Gi / 7-9 years / Mix / All levels / -28 kg

Method Submission 01:25 0–0

Marginal influence +3

Win

September 20, 2025 Michal Hrnčár

TATAMY 16 KIDS (No-GI and GI round robin) Kids / No Gi / 7-9 years / Mix / All levels / -28 kg

Method Submission 00:21 0–0

Marginal influence +1

Win

September 20, 2025 David Řezníček

TATAMY 16 KIDS (No-GI and GI round robin) Kids / No Gi / 7-9 years / Mix / All levels / -28 kg

Method Submission 00:34 0–0

Marginal influence +1

Loss

September 20, 2025 Unknown opponent

TATAMY 16 KIDS (No-GI and GI round robin) Kids / No Gi / 7-9 years / Mix / All levels / -28 kg

Method Submission 02:57 2–6

Marginal influence -12

Relevant matches: 26.8

Official ranking percentile: Top 2%

Performance: 14.0 pp above expectation

26.8 weighted matches against 31 different opponents across 6 events

Weighted win rate: 82.4%
Expected win rate: 68.4%
Average opponent rating: 1,390
Repeated-opponent share: 27.9%
Network connectivity: 80.9%