Format
SJ
Seidl, Jan
FM🇨🇿FIDE 23714522· Male· Czech Republic· Born in 2007
Follow Jan SeidlTrack his monthly FIDE ratings, games, tournaments and more.
Jan Seidl, a 19-year-old Czech FIDE Master, is rated 2303 — just 29 short of his peak of 2332 (Feb 2026, age 19) and ranked 7th among Czech players under 20, and in the top 2% worldwide. He has held steady between 2300 and 2350 for 10 months. 41 rated games in the past year (≈42/year long-term). Recent standard appearances include 1. liga zapad 2025-2026 r11, 2. liga C 2025-2026 r10-11, and SSS - Krajsky prebor 2025-2026 r9-10. He reached Czech #74 in Feb 2026.
Awarded FM in 2024 (age 17) and CM in 2023 (age 16). At junior level, he reached #5, #5, #3, #18 and #30 nationally in U20, U18, U16, U14 and U12.
Current rating
2303
Standard
Rpd2092·Blz2163
All-time high
2332
−29 pts below
Feb 2026 · age 19
Feb 2026 · age 19
Activity
59
games / yr avg. · ≈5/mo
41 past 12 mo · ≈3/mo
classical only
Active
classical only
Active
Signature stat
#7
#7 · Czech players under 20 · of 233
Career timeline
19 entries2026
Peak Czech rank: #74
at age 19 · rated 2332
Feb 2026
5th Czech U20 player
at age 19 · rated 2332
Feb 2026
All-time peak 2332
at age 19 · −29 from today
Feb 2026
2025
Re-crossed 2300
at age 18
Aug 2025
2024
5th Czech U18 player
at age 17 · rated 2304
May 2024
FM title awardedFM
at age 17
May 2024
Standard rating history
Activity & highlights
Evolution
+8
2295 → 2303
Tournaments
16
32 games
Score
20/ 3262.5%
14W12D6L
Top 3 wins
Top 3 losses
Last 12 months — tournaments
16 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Team | Apr 2026 | 0.5/1 | #64 | 2312 | +0.2 |
Team | Mar 2026 | 0.5/1 | #69 | 2182 | -3.6 |
Team | Mar 2026 | 0/1 | #123 | 1382 | -13.6 |
Team | Mar 2026 | 0.5/1 | #71 | 2361 | +1.2 |
Team | Feb 2026 | 0/2 | #115 | 1662 | -13.0 |
Team | Jan 2026 | 1/1 | #51 | 3027 | +7.6 |
Team | Jan 2026 | 0.5/1 | #65 | 2185 | -3.6 |
Team | Jan 2026 | 1/1 | #23 | 3206 | +12.4 |
Team | Dec 2025 | 0/1 | #79 | 1787 | -3.4 |
Team | Nov 2025 | 1/1 | #37 | 2790 | +2.6 |
Most-Played Opponents
vsTomas BezdekCM
🇨🇿CZE·2121
+3 −1 =3
7 games·last met Aug 2025
View head-to-head →
vsMatyas PasekaFM
🇨🇿CZE·2319
+1 −2 =4
7 games·last met Mar 2025
View head-to-head →
vsPetr SoucekFM
🇨🇿CZE·2273
+1 −1 =3
5 games·last met Aug 2025
View head-to-head →
vsQuan Hong Werner
🇨🇿CZE·2045
+3 −0 =2
5 games·last met Jan 2025
View head-to-head →
Rankings
/
Czech Republic
#110
out of 6,368 players
Europe
#2,650
in continent
World
#3,995
out of 400,000+
National ranking
Europe & World
Europe
World
Czech Republic
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Europe
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World
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