Ivo Chmelař - 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 -1 Rating 1,464

Rating-period composition

Rating matches: 14 0
Record: 12–2 Previous month 12–2
Opponents: 11 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.

July 2026 No new matches Change +1 Rating 1,465

Rating-period composition

Rating matches: 14 0
Record: 12–2 Previous month 12–2
Opponents: 11 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.

June 2026 No new matches Change -3 Rating 1,464

Rating-period composition

Rating matches: 14 0
Record: 12–2 Previous month 12–2
Opponents: 11 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.

May 2026 No new matches Change +5 Rating 1,467

Rating-period composition

Rating matches: 14 0
Record: 12–2 Previous month 12–2
Opponents: 11 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.

April 2026 No new matches Change 0 Rating 1,462

Rating-period composition

Rating matches: 14 0
Record: 12–2 Previous month 12–2
Opponents: 11 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 -1 Rating 1,462

Rating-period composition

Rating matches: 14 0
Record: 12–2 Previous month 12–2
Opponents: 11 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 4 new matches Change +50 Rating 1,463

Rating-period composition

Rating matches: 14 +4
Record: 12–2 Previous month 8–2
Opponents: 11 +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

February 21, 2026 Efe Özdemir

TATAMY 19: Czech Open Championship (kids) Kids / No Gi / 13-14 years / Boys / Beginner / -55 kg

Method Submission 02:11 0–0

Marginal influence +12

Win

February 21, 2026 Malik Dolguev

TATAMY 19: Czech Open Championship (kids) Kids / No Gi / 13-14 years / Boys / Beginner / -55 kg

Method Submission 01:20 0–0

Marginal influence +4

Win

February 21, 2026 Matouš Pirkl

TATAMY 19: Czech Open Championship (kids) Kids / No Gi / 13-14 years / Boys / Beginner / -55 kg

Method Disqualification 02:07 1–0

Marginal influence +15

Win

February 21, 2026 Andrej Scharringer

TATAMY 19: Czech Open Championship (kids) Kids / No Gi / 13-14 years / Boys / Beginner / -55 kg

Method Submission 00:53 0–0

Marginal influence +3

January 2026 No new matches Change +2 Rating 1,413

Rating-period composition

Rating matches: 10 0
Record: 8–2 Previous month 8–2
Opponents: 9 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.

December 2025 5 new matches Change +124 Rating 1,411

Rating-period composition

Rating matches: 10 +5
Record: 8–2 Previous month 3–2
Opponents: 9 +5
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.

Win

December 6, 2025 Richard Černohous

TATAMY 18 KIDS (No-GI and GI round robin) Kids / No Gi / 13-14 years / Boys / Beginner / -55 kg

Method Submission 00:11 0–0

Marginal influence +16

Win

December 6, 2025 Sergei Chernyaev

TATAMY 18 KIDS (No-GI and GI round robin) Kids / No Gi / 13-14 years / Boys / Beginner / -55 kg

Method Submission 02:35 0–0

Marginal influence +12

Win

December 6, 2025 Malik Dolguev

TATAMY 18 KIDS (No-GI and GI round robin) Kids / No Gi / 13-14 years / Boys / Beginner / -55 kg

Method Submission 01:43 0–0

Marginal influence +4

Win

December 6, 2025 Andrej Scharringer

TATAMY 18 KIDS (No-GI and GI round robin) Kids / No Gi / 13-14 years / Boys / Beginner / -55 kg

Method Submission 00:56 0–0

Marginal influence +3

Win

December 6, 2025 Michal Studnica

TATAMY 18 KIDS (No-GI and GI round robin) Kids / No Gi / 13-14 years / Boys / Beginner / -55 kg

Method Submission 03:40 0–0

Marginal influence +8

November 2025 No new matches Change -3 Rating 1,287

Rating-period composition

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

October 2025 No new matches Change -1 Rating 1,290

Rating-period composition

Rating matches: 5 0
Record: 3–2 Previous month 3–2
Opponents: 4 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 5 new matches Change Starting point Rating 1,291

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 Timur Mitaev

TATAMY 16 KIDS (No-GI and GI round robin) Kids / No Gi / 13-14 years / Boys / Beginner / -55 kg

Method Submission 01:22 0–0

Marginal influence -19

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 00:29 0–0

Marginal influence -19

Win

September 20, 2025 Olexandr Bielskyi

TATAMY 16 KIDS (No-GI and GI round robin) Kids / No Gi / 13-14 years / Boys / Beginner / -55 kg

Method Submission 00:19 0–0

Marginal influence +6

Win

September 20, 2025 Dominik Čejka

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 +14

Win

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 Submission 03:25 0–0

Marginal influence +22

Relevant matches: 8.3

Official ranking percentile: Top 13%

Performance: 20.8 pp above expectation

8.3 weighted matches against 11 different opponents across 3 events

Weighted win rate: 88.6%
Expected win rate: 67.8%
Average opponent rating: 1,294
Repeated-opponent share: 21.4%
Network connectivity: 80.9%