Zbyněk Zámečník - 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 1,109

Rating-period composition

Rating matches: 16 0
Record: 0–16 Previous month 0–16
Opponents: 8 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 1,109

Rating-period composition

Rating matches: 16 0
Record: 0–16 Previous month 0–16
Opponents: 8 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 · 3 left period Change -32 Rating 1,109

Rating-period composition

Rating matches: 16 -3
Record: 0–16 Previous month 2–17
Opponents: 8 -1
Events: 6 -1

3 older matches left the 12-month period: 2 won and 1 lost. The rating is then recalculated across the full network, so the monthly change is not a sum of separate deductions.

May 2026 2 new matches Change -11 Rating 1,141

Rating-period composition

Rating matches: 19 +2
Record: 2–17 Previous month 2–15
Opponents: 9 0
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.

Loss

May 23, 2026 Daniel Uhryn

HEROES GATE GRAPPLING 1 (KIDS) Kids / No-Gi / 7-9 years / Mix / All Levels / -21 kg

Method Submission 00:45 0–0

Marginal influence -6

Loss

May 23, 2026 Daniel Uhryn

HEROES GATE GRAPPLING 1 (KIDS) Kids / No-Gi / 7-9 years / Mix / All Levels / -21 kg

Method Submission 00:40 0–0

Marginal influence -6

April 2026 3 new matches Change -4 Rating 1,152

Rating-period composition

Rating matches: 17 +3
Record: 2–15 Previous month 2–12
Opponents: 9 +2
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

April 25, 2026 Maxim Kubák

GRIND 13 Kids (NO-GI & GI ROUND ROBIN) No-Gi / 4-6 years / Mixed (4 - 9 years) / -24 kg / Mixed (4 - 9 years)

Method Submission 00:52 0–0

Marginal influence -7

Loss

April 25, 2026 Constantin Pîslaru

GRIND 13 Kids (NO-GI & GI ROUND ROBIN) No-Gi / 4-6 years / Mixed (4 - 9 years) / -24 kg / Mixed (4 - 9 years)

Method Submission 00:49 0–0

Marginal influence -5

Loss

April 25, 2026 Daniel Uhryn

GRIND 13 Kids (NO-GI & GI ROUND ROBIN) No-Gi / 4-6 years / Mixed (4 - 9 years) / -24 kg / Mixed (4 - 9 years)

Method Submission 01:12 0–5

Marginal influence -5

March 2026 No new matches Change -1 Rating 1,156

Rating-period composition

Rating matches: 14 0
Record: 2–12 Previous month 2–12
Opponents: 7 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.

February 2026 No new matches Change -2 Rating 1,157

Rating-period composition

Rating matches: 14 0
Record: 2–12 Previous month 2–12
Opponents: 7 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.

January 2026 2 new matches Change -14 Rating 1,159

Rating-period composition

Rating matches: 14 +2
Record: 2–12 Previous month 2–10
Opponents: 7 +1
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

January 24, 2026 Constantin Pîslaru

GRIND 12 Kids (NO-GI & GI ROUND ROBIN) Gi / 4-6 years / Mixed / -24 kg / Mixed (4 - 9 years)

Method Submission 00:35 0–0

Marginal influence -5

Loss

January 24, 2026 Constantin Pîslaru

GRIND 12 Kids (NO-GI & GI ROUND ROBIN) Gi / 4-6 years / Mixed / -24 kg / Mixed (4 - 9 years)

Method Submission 00:46 0–4

Marginal influence -5

December 2025 2 new matches Change -10 Rating 1,173

Rating-period composition

Rating matches: 12 +2
Record: 2–10 Previous month 2–8
Opponents: 6 0
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.

Loss

December 14, 2025 Emily Benešová

Christmas Kids Ground BJJ Tour - Finálové kolo 2025 Kids mix 5,6,7-8 let - Kimono / -20kg

Method Other recorded result 01:54 0–10

Marginal influence -5

Loss

December 14, 2025 Emily Benešová

Christmas Kids Ground BJJ Tour - Finálové kolo 2025 Kids mix 5,6,7-8 let - Kimono / -20kg

Method Other recorded result 00:57 0–10

Marginal influence -5

November 2025 5 new matches Change +22 Rating 1,183

Rating-period composition

Rating matches: 10 +5
Record: 2–8 Previous month 2–3
Opponents: 6 +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.

Loss

November 1, 2025 Leon Vajgel

TATAMY 17 KIDS (No-GI and GI round robin) Kids / Gi / 4-6 years / Mix / All levels / -24 kg

Method Points 02:00 0–2

Marginal influence -5

Loss

November 1, 2025 Emily Benešová

TATAMY 17 KIDS (No-GI and GI round robin) Kids / Gi / 4-6 years / Mix / All levels / -24 kg

Method Submission 00:38 0–0

Marginal influence -6

Loss

November 1, 2025 David Keller

TATAMY 17 KIDS (No-GI and GI round robin) Kids / Gi / 4-6 years / Mix / All levels / -24 kg

Method Submission 00:47 0–0

Marginal influence -11

Loss

November 1, 2025 Artur Hyshpil

TATAMY 17 KIDS (No-GI and GI round robin) Kids / No Gi / 4-6 years / Mix / All levels / -24 kg

Method Submission 00:24 0–0

Marginal influence -11

Loss

November 1, 2025 Artur Hyshpil

TATAMY 17 KIDS (No-GI and GI round robin) Kids / No Gi / 4-6 years / Mix / All levels / -24 kg

Method Submission 00:57 0–0

Marginal influence -11

October 2025 2 new matches Change -60 Rating 1,161

Rating-period composition

Rating matches: 5 +2
Record: 2–3 Previous month 2–1
Opponents: 3 +2
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.

Loss

October 19, 2025 Benjamin Štumpf

Ground Bjj Tour 4. - Only submission - Kladno Kids mix 5,6,7-8 let - Kimono / -20kg

Method Other recorded result 00:44 0–10

Marginal influence -13

Loss

October 19, 2025 Emily Benešová

Ground Bjj Tour 4. - Only submission - Kladno Kids mix 5,6,7-8 let - Kimono / -20kg

Method Other recorded result 01:33 0–10

Marginal influence -6

September 2025 No new matches Change 0 Rating 1,221

Rating-period composition

Rating matches: 3 0
Record: 2–1 Previous month 2–1
Opponents: 1 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.

Relevant matches: 9.3

Official ranking percentile: Top 98%

Performance: 33.4 pp below expectation

9.3 weighted matches against 8 different opponents across 6 events

Weighted win rate: 0.0%
Expected win rate: 33.4%
Average opponent rating: 1,238
Repeated-opponent share: 50.0%
Network connectivity: 80.9%