Format
SJ
Sedlacek, Jiri
🇨🇿FIDE 23753200· Male· Czech Republic· Born in 2003
Follow Jiri SedlacekTrack his monthly FIDE ratings, games, tournaments and more.
Jiri Sedlacek, a 23-year-old Czech player, is rated 1918 — just 2 short of his peak of 1920 (Nov 2024, age 21). He has held steady between 1900 and 1950 for 21 months. 15 rated games in the past year (≈17/year long-term). Recent appearances: SSOK - Krajsky prebor 2025-2026 r11 and OLOMOUC CHESS SUMMER 2025 - C.
At junior level, he reached #91 nationally in U20.
Current rating
1918
Standard
Rpd1751·Blz1773
All-time high
1920
−2 pts below
Nov 2024 · age 21
Nov 2024 · age 21
Activity
18
games / yr avg. · ≈2/mo
15 past 12 mo · ≈1/mo
classical only
Moderately active
classical only
Moderately active
Signature stat
#43,815
#43,815 · players worldwide · of 216,808
Career timeline
6 entries2024
All-time peak 1920
at age 21 · −2 from today
Nov 2024
K-factor lowered to 20
at age 21
Sep 2024
Best 12-month gain (+282 Elo)
1545 → 1827
Mar 2024
Crossed 1800
at age 21
Mar 2024
2023
91st Czech U20 player
at age 20 · rated 1711
Dec 2023
2022
First FIDE rating
1545 · at age 19
Sep 2022
Standard rating history
Last 12 months — activity & highlights
Evolution
+7
1911 → 1918
Tournaments
6
15 games
Score
8.5/ 1556.7%
7W3D5L
Top 3 wins
Top 3 losses
Last 12 months — tournaments
6 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Team | Apr 2026 | 1/1 | #11 | 2741 | +10.4 |
Team | Mar 2026 | 0.5/2 | #58 | 1685 | -12.4 |
Team | Dec 2025 | 1/1 | #21 | 2584 | +6.4 |
Team | Nov 2025 | 1/1 | #56 | 2709 | +10.2 |
Team | Oct 2025 | 0/1 | #83 | 1215 | -7.2 |
Rankings
/
Czech Republic
#1,805
out of 6,368 players
Europe
#32,302
in continent
World
#43,815
out of 400,000+
National ranking
Europe & World
Europe
World
Czech Republic
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