Oliver Balej - 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 1,466

Rating-period composition

Rating matches: 33 0
Record: 21–12 Previous month 21–12
Opponents: 21 0
Events: 8 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 1,466

Rating-period composition

Rating matches: 33 0
Record: 21–12 Previous month 21–12
Opponents: 21 0
Events: 8 0

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

June 2026 4 new matches · 2 left period Change +20 Rating 1,466

Rating-period composition

Rating matches: 33 +2
Record: 21–12 Previous month 18–13
Opponents: 21 -2
Events: 8 0

2 older matches left the 12-month period: 1 won and 1 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

June 20, 2026 Vojtěch Voznica

Open Czech championship submission only 2026 NOGI - Kids boys 10-13y / -36 kg / Intermediate (2-4 years of training)

Method Submission 01:07 0–0

Marginal influence +3

Win

June 20, 2026 Vojtěch Voznica

Open Czech championship submission only 2026 NOGI - Kids boys 10-13y / -36 kg / Intermediate (2-4 years of training)

Method Submission 03:01 0–0

Marginal influence +3

Win

June 20, 2026 Vojtěch Voznica

Open Czech championship submission only 2026 GI - Kids boys 10-13y / -36 kg / Orange belt

Method Submission 01:19 0–0

Marginal influence +5

Win

June 20, 2026 Vojtěch Voznica

Open Czech championship submission only 2026 GI - Kids boys 10-13y / -36 kg / Orange belt

Method Decision 03:12 0–0

Marginal influence +5

May 2026 6 new matches · 2 left period Change +15 Rating 1,446

Rating-period composition

Rating matches: 31 +4
Record: 18–13 Previous month 15–12
Opponents: 23 +1
Events: 8 +1

2 older matches left the 12-month period: 1 won and 1 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

May 2, 2026 Kacper Wiśniewski

ADCC CZECH OPEN CHAMPIONSHIP 2026 Boys 11-12 years / Beginner / -36 kg

Method Submission 00:51 0–0

Marginal influence -10

Win

May 2, 2026 Tobias Kováč

Valachien Challenge Gi 2026 Kids Mix 9-10 years / All belts / -36kg

Method Points 03:00 13–0

Marginal influence +6

Win

May 2, 2026 Vojtěch Voznica

Valachien Challenge Gi 2026 Kids Mix 9-10 years / All belts / -36kg

Method Submission 00:48 0–0

Marginal influence +4

Win

May 2, 2026 Alexander Polák

Valachien Challenge Gi 2026 Kids Mix 9-10 years / All belts / -36kg

Method Submission 00:44 2–0

Marginal influence +6

Win

May 2, 2026 Jan Lazárek

Valachien Challenge Gi 2026 Kids Mix 9-10 years / All belts / -36kg

Method Submission 00:22 2–0

Marginal influence +3

Loss

May 2, 2026 Tobias Kováč

Valachien Challenge Gi 2026 Kids Mix 9-10 years / All belts / -36kg

Method Points 03:00 6–6

Marginal influence -5

April 2026 5 new matches · 2 left period Change +41 Rating 1,431

Rating-period composition

Rating matches: 27 +3
Record: 15–12 Previous month 12–12
Opponents: 22 0
Events: 7 0

2 older matches left the 12-month period: 0 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

April 18, 2026 Vitězslav Pítr

XV. REBEL BJJ CUP Boys Gi / Yellow orange green / Junior (10-11yrs) / -39 kg (2015,2016)

Method Submission 00:48 0–3

Marginal influence -7

Win

April 18, 2026 Alexander Polák

XV. REBEL BJJ CUP Boys Gi / Yellow orange green / Junior (10-11yrs) / -39 kg (2015,2016)

Method Submission 01:00 2–0

Marginal influence +8

Win

April 18, 2026 Alexander Polák

XV. REBEL BJJ CUP Boys No-Gi / All belt / Junior (10-11yrs) / -39 kg (2015,2016)

Method Submission 01:27 9–0

Marginal influence +7

Loss

April 18, 2026 Vitězslav Pítr

XV. REBEL BJJ CUP Boys No-Gi / All belt / Junior (10-11yrs) / -39 kg (2015,2016)

Method Submission 00:46 0–6

Marginal influence -7

Win

April 18, 2026 Vojta Novák

XV. REBEL BJJ CUP Boys No-Gi / All belt / Junior (10-11yrs) / -39 kg (2015,2016)

Method Submission 01:09 2–0

Marginal influence +4

March 2026 7 new matches Change +34 Rating 1,390

Rating-period composition

Rating matches: 24 +7
Record: 12–12 Previous month 8–9
Opponents: 22 +6
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 22, 2026 Jakub Dominik

N-GEN Kids BJJ Tournament #4 Boys No-Gi / All belt / Junior (10-11yrs) / -36 kg (2015,2016)

Method Submission 01:13 9–0

Marginal influence +6

Win

March 22, 2026 Alexander Polák

N-GEN Kids BJJ Tournament #4 Boys No-Gi / All belt / Junior (10-11yrs) / -36 kg (2015,2016)

Method Submission 00:32 4–2

Marginal influence +6

Win

March 22, 2026 Lukáš Oravecz

N-GEN Kids BJJ Tournament #4 Boys No-Gi / All belt / Junior (10-11yrs) / -36 kg (2015,2016)

Method Submission 02:46 9–0

Marginal influence +8

Loss

March 22, 2026 Štefan Jakubec

N-GEN Kids BJJ Tournament #4 Boys No-Gi / All belt / Junior (10-11yrs) / -36 kg (2015,2016)

Method Submission 00:12 0–4

Marginal influence -7

Loss

March 22, 2026 Tobias Kováč

N-GEN Kids BJJ Tournament #4 Boys Gi / White grey / Junior (10-11yrs) / -36 kg (2015,2016)

Method Submission 00:13 0–0

Marginal influence -5

Win

March 22, 2026 Matej Kubík

N-GEN Kids BJJ Tournament #4 Boys Gi / White grey / Junior (10-11yrs) / -36 kg (2015,2016)

Method Submission 01:03 2–0

Marginal influence +8

Loss

March 22, 2026 Jakub Dominik

N-GEN Kids BJJ Tournament #4 Boys Gi / White grey / Junior (10-11yrs) / -36 kg (2015,2016)

Method Points 03:00 2–16

Marginal influence -10

February 2026 5 new matches Change -9 Rating 1,356

Rating-period composition

Rating matches: 17 +5
Record: 8–9 Previous month 6–6
Opponents: 16 +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 Unknown opponent

TATAMY 19: Czech Open Championship (kids) Kids / No Gi / 10-12 years / Boys / Intermediate / -36 kg

Method Submission 00:49 0–0

Marginal influence +3

Win

February 21, 2026 Markó Rebeka

TATAMY 19: Czech Open Championship (kids) Kids / No Gi / 10-12 years / Boys / Intermediate / -36 kg

Method Submission 01:53 0–0

Marginal influence +4

Loss

February 21, 2026 Yusuf Khamburaev

TATAMY 19: Czech Open Championship (kids) Kids / No Gi / 10-12 years / Boys / Intermediate / -36 kg

Method Points 04:00 0–6

Marginal influence -6

Loss

February 21, 2026 Adam Jeznach

TATAMY 19: Czech Open Championship (kids) Kids / No Gi / 10-12 years / Boys / Intermediate / -36 kg

Method Submission 00:14 0–0

Marginal influence -8

Loss

February 21, 2026 Yusuf Khamburaev

TATAMY 19: Czech Open Championship (kids) Kids / No Gi / 10-12 years / Boys / Intermediate / -36 kg

Method Points 04:00 4–6

Marginal influence -6

January 2026 No new matches Change +1 Rating 1,365

Rating-period composition

Rating matches: 12 0
Record: 6–6 Previous month 6–6
Opponents: 12 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 No new matches Change +7 Rating 1,364

Rating-period composition

Rating matches: 12 0
Record: 6–6 Previous month 6–6
Opponents: 12 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.

November 2025 No new matches · 8 left period Change -44 Rating 1,357

Rating-period composition

Rating matches: 12 -8
Record: 6–6 Previous month 10–10
Opponents: 12 -4
Events: 5 -1

8 older matches left the 12-month period: 4 won and 4 lost. The rating is then recalculated across the full network, so the monthly change is not a sum of separate deductions.

October 2025 2 new matches · 3 left period Change -28 Rating 1,401

Rating-period composition

Rating matches: 20 -1
Record: 10–10 Previous month 11–10
Opponents: 16 -1
Events: 6 0

3 older matches left the 12-month period: 3 won and 0 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 25, 2025 Dominik Matusik

N-GEN Kids BJJ Tournament #3 Boys Gi / White grey / Junior (10-11yrs) / -33 kg (2014,2015)

Method Submission 00:16 2–0

Marginal influence +6

Win

October 25, 2025 Adam Šmajstrla

N-GEN Kids BJJ Tournament #3 Boys Gi / White grey / Junior (10-11yrs) / -33 kg (2014,2015)

Method Submission 00:41 9–0

Marginal influence +9

September 2025 4 new matches Change +32 Rating 1,429

Rating-period composition

Rating matches: 21 +4
Record: 11–10 Previous month 9–8
Opponents: 17 +3
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.

Loss

September 20, 2025 Andrei Marakhovskii

TATAMY 16 KIDS (No-GI and GI round robin) Kids / Gi / 10-12 years / Boys / White/grey belt / -36 kg

Method Submission 00:51 0–0

Marginal influence -11

Win

September 20, 2025 Platon Gorokhov

TATAMY 16 KIDS (No-GI and GI round robin) Kids / Gi / 10-12 years / Boys / White/grey belt / -36 kg

Method Disqualification 0–0

Marginal influence +8

Win

September 20, 2025 Volodymyr Demchuk

TATAMY 16 KIDS (No-GI and GI round robin) Kids / Gi / 10-12 years / Boys / White/grey belt / -36 kg

Method Submission 00:56 0–0

Marginal influence +7

Loss

September 20, 2025 Zubayr Tsikhesashev

TATAMY 16 KIDS (No-GI and GI round robin) Kids / Gi / 10-12 years / Boys / White/grey belt / -36 kg

Method Submission 00:26 0–0

Marginal influence -4

Relevant matches: 21

Official ranking percentile: Top 12%

Performance: 7.5 pp above expectation

21 weighted matches against 21 different opponents across 8 events

Weighted win rate: 62.9%
Expected win rate: 55.4%
Average opponent rating: 1,363
Repeated-opponent share: 36.4%
Network connectivity: 80.9%