Šimon Havalda - 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 1,237

Rating-period composition

Rating matches: 4 0
Record: 3–1 Previous month 3–1
Opponents: 3 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 1,237

Rating-period composition

Rating matches: 4 0
Record: 3–1 Previous month 3–1
Opponents: 3 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 Change 0 Rating 1,237

Rating-period composition

Rating matches: 4 0
Record: 3–1 Previous month 3–1
Opponents: 3 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.

May 2026 No new matches Change -21 Rating 1,237

Rating-period composition

Rating matches: 4 0
Record: 3–1 Previous month 3–1
Opponents: 3 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.

April 2026 No new matches Change -5 Rating 1,258

Rating-period composition

Rating matches: 4 0
Record: 3–1 Previous month 3–1
Opponents: 3 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.

March 2026 No new matches Change -6 Rating 1,263

Rating-period composition

Rating matches: 4 0
Record: 3–1 Previous month 3–1
Opponents: 3 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.

February 2026 2 new matches Change +79 Rating 1,269

Rating-period composition

Rating matches: 4 +2
Record: 3–1 Previous month 1–1
Opponents: 3 +1
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

February 21, 2026 Šimon Prostredný

TATAMY 19: Czech Open Championship (kids) Kids / Gi / 4-6 years / Mix / All levels / -21 kg

Method Points 02:00 9–0

Marginal influence +26

Win

February 21, 2026 Šimon Prostredný

TATAMY 19: Czech Open Championship (kids) Kids / Gi / 4-6 years / Mix / All levels / -21 kg

Method Points 02:00 7–2

Marginal influence +26

January 2026 No new matches Change 0 Rating 1,190

Rating-period composition

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

December 2025 2 new matches Change Starting point Rating 1,190

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 Ivan Antonio Blazanovic

TATAMY 18 KIDS (No-GI and GI round robin) Kids / Gi / 4-6 years / Mix / All levels / -24 kg

Method Decision 02:00 0–0

Marginal influence -64

Win

December 6, 2025 Jonáš Mareček

TATAMY 18 KIDS (No-GI and GI round robin) Kids / Gi / 4-6 years / Mix / All levels / -24 kg

Method Points 02:00 2–0

Marginal influence +17

Relevant matches: 2.9

Official ranking percentile: -

Performance: -

2.9 weighted matches against 3 different opponents across 2 events

Weighted win rate: -
Expected win rate: -
Average opponent rating: 1,115
Repeated-opponent share: 25.0%
Network connectivity: 80.9%