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KJ

Kozelek, Jonas

🇨🇿

FIDEFIDE 23778067· Male· Czech Republic· Born in 2013

Follow Jonas KozelekTrack his monthly FIDE ratings, games, tournaments and more.

Jonas Kozelek, a 13-year-old Czech player, is rated 1688 — his current career high. He is rising rapidly, having gained +219 Elo over the past 12 months. 43 rated games in the past year (≈28/year long-term). Recent standard appearances include Ostravsky konik 2026 C, 1. liga mladeze D 2025-2026 r8-11, and 45. Turnaj sachovych nadeji - U15. Also played 1 rapid event (including XXIV Ogolnopolski Turniej Szachowy z okazji Dnia Dziecka Grupa C (do lat 12)) recently.

At junior level, he reached #84 and #72 nationally in U14 and U12.

Current rating

1688

Standard

Rpd1680·Blz—

All-time high

1688

at best
Jun 2026 · age 13

Activity

27

games / yr avg. · ≈2/mo

43 past 12 mo · ≈4/mo
classical only
Moderately active

Signature stat

#114,321

#114,321 · players worldwide · of 218,279

Career timeline

10 entries
2026
84th Czech U14 player
at age 13 · rated 1688
Jun 2026
Best 12-month gain (+219 Elo)
1469 → 1688
Jun 2026
All-time peak 1688
at age 13
Jun 2026
Re-crossed 1600
at age 13
May 2026
Crossed 1600
at age 13
Jan 2026
2025
Re-crossed 1500
at age 12
Dec 2025

Standard rating history

Peak
FIDE title
Threshold
First rated

Activity & highlights

Best result
Mistrovstvi Moravy a Slezska 2025 - U14
perf 1758 (+230) · 5.5/8 · #17
Top opponent
vs Aditya Gupta 1,824
45. Turnaj sachovych nadeji - U15 · Apr 2026 · +9.0 Elo
Evolution
+219
1469 → 1688
Tournaments
9
50 games
Score
25.5/ 5051.0%
20W11D19L
Top 3 losses
1.[L]vsKarel Tlamycha1,609·1. liga mladeze D 2025-2026 r8-11·R8·-22.6
2.[L]vsAlexander Dracka1,684·Ostravsky konik 2026 C·R8·-20.2
3.[L]vsZbysek Cerny1,652·45. Turnaj sachovych nadeji - U15·R2·-20.2

Last 12 months — tournaments

9 events
EventDateScoreRankPerfΔ Elo
Ostravsky konik 2026 C
Open Swiss
May 20266.5/8#121847+32.8
1. liga mladeze D 2025-2026 r8-11
Team
Apr 20261/4#591557-7.6
45. Turnaj sachovych nadeji - U15
Open Swiss
Apr 20265.5/8#121857+74.0
1. liga mladeze D 2025-2026 r6-7
Team
Jan 20260.5/2#551446-16.8
Talent Cup 2025 - turnaj A
Open Swiss
Dec 20253.5/7#151701+59.6
1. liga mladeze D 2025-2026 r4-5
Team
Dec 20251/2#361721+19.6
Mistrovstvi Moravy a Slezska 2025 - U14
Open Swiss
Oct 20255.5/8#171758+86.0
1. liga mladeze D 2025-2026 r1-3
Team
Oct 20250/3#80935-20.4
MKSS - Krajsky prebor 2025 - U16
Open Swiss
Sep 20252/1#212517-7.6
Worst Elo result: 1. liga mladeze D 2025-2026 r1-3 (-20.4 Elo, finished #80).

Rankings

/
Czech Republic
#4,246
out of 6,361 players
Europe
#79,830
in continent
World
#114,317
out of 400,000+

National ranking

Europe & World

Europe
World
Czech Republic
1
🇨🇿Navara, DavidFollow David NavaraTrack their monthly FIDE ratings, games, tournaments and more.
2,639
2
🇨🇿Nguyen, Thai Dai VanFollow Thai Dai Van NguyenTrack their monthly FIDE ratings, games, tournaments and more.
2,633
3
🇨🇿Finek, VaclavFollow Vaclav FinekTrack their monthly FIDE ratings, games, tournaments and more.
2,595
4
🇨🇿Zilka, StepanFollow Stepan ZilkaTrack their monthly FIDE ratings, games, tournaments and more.
2,526
5
🇨🇿Hracek, ZbynekFollow Zbynek HracekTrack their monthly FIDE ratings, games, tournaments and more.
2,525
6
🇨🇿Kriebel, TadeasFollow Tadeas KriebelTrack their monthly FIDE ratings, games, tournaments and more.
2,508
7
🇨🇿Krejci, JanFollow Jan KrejciTrack their monthly FIDE ratings, games, tournaments and more.
2,503
8
🇨🇿Bernasek, JanFollow Jan BernasekTrack their monthly FIDE ratings, games, tournaments and more.
2,501
9
🇨🇿Babula, VlastimilFollow Vlastimil BabulaTrack their monthly FIDE ratings, games, tournaments and more.
2,489
10
🇨🇿Vykouk, JanFollow Jan VykoukTrack their monthly FIDE ratings, games, tournaments and more.
2,487
...
4246🇨🇿Kozelek, Jonas1,688
Europe
1
🇳🇴Carlsen, MagnusFollow Magnus CarlsenTrack their monthly FIDE ratings, games, tournaments and more.
2,841
2
🇩🇪Keymer, VincentFollow Vincent KeymerTrack their monthly FIDE ratings, games, tournaments and more.
2,767
3
🇳🇱Giri, AnishFollow Anish GiriTrack their monthly FIDE ratings, games, tournaments and more.
2,764
4
🇫🇷Firouzja, AlirezaFollow Alireza FirouzjaTrack their monthly FIDE ratings, games, tournaments and more.
2,744
5
🇵🇱Duda, Jan-KrzysztofFollow Jan-Krzysztof DudaTrack their monthly FIDE ratings, games, tournaments and more.
2,739
6
🇭🇺Rapport, RichardFollow Richard RapportTrack their monthly FIDE ratings, games, tournaments and more.
2,729
7
🇳🇱Van Foreest, JordenFollow Jorden Van ForeestTrack their monthly FIDE ratings, games, tournaments and more.
2,728
8
🇫🇷Vachier-Lagrave, MaximeFollow Maxime Vachier-LagraveTrack their monthly FIDE ratings, games, tournaments and more.
2,721
9
🇦🇿Mamedyarov, ShakhriyarFollow Shakhriyar MamedyarovTrack their monthly FIDE ratings, games, tournaments and more.
2,717
10
🇹🇷Erdogmus, Yagiz KaanFollow Yagiz Kaan ErdogmusTrack their monthly FIDE ratings, games, tournaments and more.
2,713
...
79830🇨🇿Kozelek, Jonas1,688
World
1
🇳🇴Carlsen, MagnusFollow Magnus CarlsenTrack their monthly FIDE ratings, games, tournaments and more.
2,841
2
🇺🇸Nakamura, HikaruFollow Hikaru NakamuraTrack their monthly FIDE ratings, games, tournaments and more.
2,792
2
🇺🇸Caruana, FabianoFollow Fabiano CaruanaTrack their monthly FIDE ratings, games, tournaments and more.
2,792
4
🇺🇿Abdusattorov, NodirbekFollow Nodirbek AbdusattorovTrack their monthly FIDE ratings, games, tournaments and more.
2,777
4
🇺🇿Sindarov, JavokhirFollow Javokhir SindarovTrack their monthly FIDE ratings, games, tournaments and more.
2,777
6
🇩🇪Keymer, VincentFollow Vincent KeymerTrack their monthly FIDE ratings, games, tournaments and more.
2,767
7
🇳🇱Giri, AnishFollow Anish GiriTrack their monthly FIDE ratings, games, tournaments and more.
2,764
8
🇮🇳Erigaisi ArjunFollow Erigaisi ArjunTrack their monthly FIDE ratings, games, tournaments and more.
2,761
9
🇺🇸So, WesleyFollow Wesley SoTrack their monthly FIDE ratings, games, tournaments and more.
2,753
9
🇨🇳Wei, YiFollow Yi WeiTrack their monthly FIDE ratings, games, tournaments and more.
2,753
...
114317🇨🇿Kozelek, Jonas1,688