Ondrej Kolman - 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 1,196

Rating-period composition

Rating matches: 9 0
Record: 1–8 Previous month 1–8
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.

July 2026 No new matches Change 0 Rating 1,196

Rating-period composition

Rating matches: 9 0
Record: 1–8 Previous month 1–8
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.

June 2026 No new matches · 2 left period Change 0 Rating 1,196

Rating-period composition

Rating matches: 9 -2
Record: 1–8 Previous month 1–10
Opponents: 7 -1
Events: 2 -1

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.

May 2026 No new matches · 7 left period Change -21 Rating 1,196

Rating-period composition

Rating matches: 11 -7
Record: 1–10 Previous month 3–15
Opponents: 8 -3
Events: 3 -1

7 older matches left the 12-month period: 2 won and 5 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 · 2 left period Change -28 Rating 1,217

Rating-period composition

Rating matches: 18 -2
Record: 3–15 Previous month 4–16
Opponents: 11 -1
Events: 4 -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.

March 2026 No new matches · 5 left period Change -72 Rating 1,245

Rating-period composition

Rating matches: 20 -5
Record: 4–16 Previous month 8–17
Opponents: 12 -2
Events: 5 -1

5 older matches left the 12-month period: 4 won and 1 lost. The rating is then recalculated across the full network, so the monthly change is not a sum of separate deductions.

February 2026 No new matches Change +1 Rating 1,317

Rating-period composition

Rating matches: 25 0
Record: 8–17 Previous month 8–17
Opponents: 14 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.

January 2026 No new matches Change +3 Rating 1,316

Rating-period composition

Rating matches: 25 0
Record: 8–17 Previous month 8–17
Opponents: 14 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.

December 2025 7 new matches Change 0 Rating 1,313

Rating-period composition

Rating matches: 25 +7
Record: 8–17 Previous month 7–11
Opponents: 14 +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

December 6, 2025 Darek Krocil

TATAMY 18 KIDS (No-GI and GI round robin) Kids / Gi / 10-12 years / Boys / White/grey belt / -32 kg

Method Submission 01:52 0–0

Marginal influence -6

Loss

December 6, 2025 Maximilián Šesták

TATAMY 18 KIDS (No-GI and GI round robin) Kids / Gi / 10-12 years / Boys / White/grey belt / -32 kg

Method Submission 01:33 0–0

Marginal influence -8

Loss

December 6, 2025 Michal Mitlehner

TATAMY 18 KIDS (No-GI and GI round robin) Kids / No Gi / 10-12 years / Boys / Beginner / -32 kg

Method Submission 01:02 0–0

Marginal influence -15

Win

December 6, 2025 Maximilián Šesták

TATAMY 18 KIDS (No-GI and GI round robin) Kids / No Gi / 10-12 years / Boys / Beginner / -32 kg

Method Submission 01:25 0–0

Marginal influence +30

Loss

December 6, 2025 Alexander Ciornii

TATAMY 18 KIDS (No-GI and GI round robin) Kids / No Gi / 10-12 years / Boys / Beginner / -32 kg

Method Submission 01:20 0–0

Marginal influence -5

Loss

December 6, 2025 Jiří Polzer

TATAMY 18 KIDS (No-GI and GI round robin) Kids / No Gi / 10-12 years / Boys / Beginner / -32 kg

Method Submission 00:52 0–0

Marginal influence -6

Loss

December 6, 2025 Michal Mitlehner

TATAMY 18 KIDS (No-GI and GI round robin) Kids / No Gi / 10-12 years / Boys / Beginner / -32 kg

Method Submission 03:42 0–0

Marginal influence -15

November 2025 2 new matches Change -26 Rating 1,313

Rating-period composition

Rating matches: 18 +2
Record: 7–11 Previous month 7–9
Opponents: 11 +2
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.

Loss

November 23, 2025 Kristýna Šmelová

ADCC Czech National Championship 2025 Boys Junior / 9-10 years / Intermediate / -36 kg

Method Decision 04:00 2–2

Marginal influence -22

Loss

November 23, 2025 Miroslav Lagron

ADCC Czech National Championship 2025 Boys Junior / 9-10 years / Intermediate / -36 kg

Method Submission 02:21 0–0

Marginal influence -7

October 2025 No new matches Change -4 Rating 1,339

Rating-period composition

Rating matches: 16 0
Record: 7–9 Previous month 7–9
Opponents: 9 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.

September 2025 No new matches Change -6 Rating 1,343

Rating-period composition

Rating matches: 16 0
Record: 7–9 Previous month 7–9
Opponents: 9 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.

Relevant matches: 6.3

Official ranking percentile: Top 88%

Performance: -

6.3 weighted matches against 7 different opponents across 2 events

Weighted win rate: -
Expected win rate: -
Average opponent rating: 1,414
Repeated-opponent share: 22.2%
Network connectivity: 80.9%