Jakub Žitný - 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 1,277

Rating-period composition

Rating matches: 16 0
Record: 5–11 Previous month 5–11
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 0 Rating 1,277

Rating-period composition

Rating matches: 16 0
Record: 5–11 Previous month 5–11
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 +1 Rating 1,277

Rating-period composition

Rating matches: 16 0
Record: 5–11 Previous month 5–11
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 · 2 left period Change -11 Rating 1,276

Rating-period composition

Rating matches: 16 -2
Record: 5–11 Previous month 6–12
Opponents: 11 -2
Events: 3 -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.

April 2026 No new matches Change +1 Rating 1,287

Rating-period composition

Rating matches: 18 0
Record: 6–12 Previous month 6–12
Opponents: 13 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.

March 2026 No new matches Change -2 Rating 1,286

Rating-period composition

Rating matches: 18 0
Record: 6–12 Previous month 6–12
Opponents: 13 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.

February 2026 4 new matches Change 0 Rating 1,288

Rating-period composition

Rating matches: 18 +4
Record: 6–12 Previous month 5–9
Opponents: 13 +3
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

February 21, 2026 Peter Stiasny

TATAMY 19: Czech Open Championship (kids) Kids / Gi / 10-12 years / Boys / White/grey belt / -50 kg

Method Submission 03:23 6–0

Marginal influence +14

Loss

February 21, 2026 Unknown opponent

TATAMY 19: Czech Open Championship (kids) Kids / Gi / 10-12 years / Boys / White/grey belt / -50 kg

Method Submission 00:45 0–6

Marginal influence -5

Loss

February 21, 2026 Matyas Divisek

TATAMY 19: Czech Open Championship (kids) Kids / Gi / 10-12 years / Boys / White/grey belt / -50 kg

Method Submission 01:14 0–5

Marginal influence -7

Loss

February 21, 2026 David Zamrykot

TATAMY 19: Czech Open Championship (kids) Kids / Gi / 10-12 years / Boys / White/grey belt / -50 kg

Method Submission 02:12 2–0

Marginal influence -6

January 2026 No new matches Change 0 Rating 1,288

Rating-period composition

Rating matches: 14 0
Record: 5–9 Previous month 5–9
Opponents: 10 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 9 new matches · 3 left period Change +76 Rating 1,288

Rating-period composition

Rating matches: 14 +6
Record: 5–9 Previous month 3–5
Opponents: 10 +2
Events: 3 0

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.

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 Kaisar Tanmagambetov

TATAMY 18 KIDS (No-GI and GI round robin) Kids / No Gi / 10-12 years / Boys / Beginner / -50 kg

Method Submission 02:24 0–0

Marginal influence -8

Loss

December 6, 2025 Kaisar Tanmagambetov

TATAMY 18 KIDS (No-GI and GI round robin) Kids / No Gi / 10-12 years / Boys / Beginner / -50 kg

Method Submission 01:50 0–0

Marginal influence -8

Loss

December 6, 2025 Maximus Hora

TATAMY 18 KIDS (No-GI and GI round robin) Kids / No Gi / 10-12 years / Boys / Beginner / -50 kg

Method Submission 01:10 0–0

Marginal influence -9

Loss

December 6, 2025 Hamza Djamulaev

TATAMY 18 KIDS (No-GI and GI round robin) Kids / No Gi / 10-12 years / Boys / Beginner / -50 kg

Method Submission 01:12 0–0

Marginal influence -7

Win

December 6, 2025 Unknown opponent

TATAMY 18 KIDS (No-GI and GI round robin) Kids / No Gi / 10-12 years / Boys / Beginner / -50 kg

Method Points 04:00 3–0

Marginal influence +5

Loss

December 6, 2025 Kaisar Tanmagambetov

TATAMY 18 KIDS (No-GI and GI round robin) Kids / Gi / 10-12 years / Boys / White/grey belt / -50 kg

Method Submission 02:07 0–0

Marginal influence -16

Loss

December 6, 2025 Nikolaj Homonaj

TATAMY 18 KIDS (No-GI and GI round robin) Kids / Gi / 10-12 years / Boys / White/grey belt / -50 kg

Method Points 04:00 0–5

Marginal influence -8

Loss

December 6, 2025 David Zamrykot

TATAMY 18 KIDS (No-GI and GI round robin) Kids / Gi / 10-12 years / Boys / White/grey belt / -50 kg

Method Points 04:00 0–5

Marginal influence -6

Win

December 6, 2025 Unknown opponent

TATAMY 18 KIDS (No-GI and GI round robin) Kids / Gi / 10-12 years / Boys / White/grey belt / -50 kg

Method Points 04:00 5–0

Marginal influence +13

November 2025 No new matches Change 0 Rating 1,212

Rating-period composition

Rating matches: 8 0
Record: 3–5 Previous month 3–5
Opponents: 8 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.

October 2025 3 new matches Change +67 Rating 1,212

Rating-period composition

Rating matches: 8 +3
Record: 3–5 Previous month 1–4
Opponents: 8 +3
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

October 25, 2025 Filip Šustek

N-GEN Kids BJJ Tournament #3 Boys Gi / White grey / Junior (10-11yrs) / -48 kg (2014,2015)

Method Submission 00:55 6–0

Marginal influence +15

Loss

October 25, 2025 Nikolaj Homonaj

N-GEN Kids BJJ Tournament #3 Boys Gi / White grey / Junior (10-11yrs) / -48 kg (2014,2015)

Method Submission 01:30 0–6

Marginal influence -9

Win

October 25, 2025 Eduard Damek

N-GEN Kids BJJ Tournament #3 Boys Gi / White grey / Junior (10-11yrs) / -48 kg (2014,2015)

Method Points 03:00 2–0

Marginal influence +19

September 2025 No new matches Change +1 Rating 1,145

Rating-period composition

Rating matches: 5 0
Record: 1–4 Previous month 1–4
Opponents: 5 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.

Relevant matches: 10

Official ranking percentile: Top 68%

Performance: 10.0 pp below expectation

10 weighted matches against 11 different opponents across 3 events

Weighted win rate: 36.1%
Expected win rate: 46.2%
Average opponent rating: 1,291
Repeated-opponent share: 31.3%
Network connectivity: 80.9%