Format
ZJ
Zeman, Jonas
🇨🇿FIDE 23755733· Male· Czech Republic· Born in 2013
Follow Jonas ZemanTrack his monthly FIDE ratings, games, tournaments and more.
Jonas Zeman, a 13-year-old Czech player, is rated 1853 — his current career high. He is on a breakout run, having gained +148 Elo over the past 12 months. 42 rated games in the past year (≈29/year long-term). Recent standard appearances include 1. liga mladeze A 2025-2026 r9-11, 2. liga C 2025-2026 r10-11, and SSLK - Krajsky prebor 2025-2026 r7-8. Also played 4 rapid (including OLOMOUC CHESS SUMMER 2025 - E) and 2 blitz events (including PRAGUE OPEN 2026 D - blitz tournament) recently.
At junior level, he reached #26, #17 and #17 nationally in U14, U12 and U10.
Current rating
1853
Standard
Rpd1883·Blz1674
All-time high
1853
at best
May 2026 · age 13
May 2026 · age 13
Activity
27
games / yr avg. · ≈2/mo
42 past 12 mo · ≈4/mo
classical only
Moderately active
classical only
Moderately active
Signature stat
#60,573
#60,573 · players worldwide · of 218,279
Career timeline
10 entries2026
26th Czech U14 player
at age 13 · rated 1853
May 2026
All-time peak 1853
at age 13
May 2026
Crossed 1800
at age 13
Apr 2026
Re-crossed 1600
at age 13
Feb 2026
100 career games
at age 13
Feb 2026
2025
17th Czech U12 player
at age 12 · rated 1705
May 2025
Standard rating history
Peak
FIDE title
Threshold
First rated
FIDE recal.
Activity & highlights
Evolution
+148
1705 → 1853
Tournaments
11
51 games
Score
31/ 5160.8%
27W8D16L
Top 3 wins
Top 3 losses
Last 12 months — tournaments
11 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Team | Apr 2026 | 3/3 | #5 | 2440 | +32.8 |
Team | Mar 2026 | 1/1 | #32 | 2531 | +18.8 |
Team | Mar 2026 | 2/2 | #3 | 2619 | +46.8 |
Team | Feb 2026 | 1/1 | #27 | 2334 | +9.2 |
Team | Jan 2026 | 1/2 | #42 | 1687 | +9.2 |
Open Swiss | Jan 2026 | 6.5/8 | #21 | 2043 | +138.8 |
Team | Dec 2025 | 0.5/2 | #48 | 1356 | -21.2 |
Open Swiss | Oct 2025 | 4.5/7 | #58 | 1676 | -88.8 |
Team | Oct 2025 | 2.5/3 | #29 | 1987 | -0.4 |
Open Swiss | Aug 2025 | 4/8 | #55 | 1809 | +0.8 |
Rankings
/
Czech Republic
#2,538
out of 6,361 players
Europe
#44,337
in continent
World
#60,572
out of 400,000+
National ranking
Europe & World
Europe
World
Czech Republic
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