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KJ

Kosek, Jiri

🇨🇿

FIDEFIDE 312746· Male· Czech Republic· Born in 1960

Follow Jiri KosekTrack his monthly FIDE ratings, games, tournaments and more.

Jiri Kosek, a 66-year-old Czech player, is rated 1970. He plays occasionally (5 games in the last 12 months) and took a 17-month break between Jul 2002 and Jan 2004. Recent appearance: 2. liga D 2025-2026 r10-11. His peak of 2133 was reached at age 53 (May 2013).

Current rating

1970

Standard

Rpd2100·Blz1956

All-time high

2133

−163 pts below
May 2013 · age 53

Activity

12

games / yr avg. · ≈1/mo

5 past 12 mo
classical only
Moderately active

Signature stat

#32,674

#32,674 · players worldwide · of 218,279

Career timeline

17 entries
2026
72nd Czech 65-70 player
at age 66 · rated 1970
Jun 2026
2023
Re-crossed 2000
at age 63
Mar 2023
2022
63rd Czech 60-65 player
at age 62 · rated 2031
Apr 2022
2017
46th Czech 55-60 player
at age 57 · rated 2115
Nov 2017
2016
Re-crossed 2100
at age 56
Dec 2016
Best 12-month gain (+45 Elo)
2035 → 2080
May 2016

Standard rating history

Peak
FIDE title
Threshold
First rated
Inactive period
COVID-19

Activity & highlights

Top opponent
vs Roman Solil 2,002
2. liga D 2025-2026 r6-7 · Jan 2026 · +1.1 Elo
Evolution
+31
1939 → 1970
Tournaments
5
5 games
Score
4/ 580.0%
3W2D0L
Top 3 wins
1.[W]vsDavid Miculka1,999·2. liga D 2025-2026 r2-3·R3·+11.4
2.[W]vsMichal Sipek1,944·2. liga D 2025-2026 r4-5·R5·+9.5
3.[W]vsTomas Kopecky1,923·2. liga D 2025-2026 r8-9·R8·+8.6
Top losses
Undefeated in the last 12 months.

Last 12 months — tournaments

5 events
EventDateScoreRankPerfΔ Elo
2. liga D 2025-2026 r10-11
Team
Mar 20260.5/1#841943-0.8
2. liga D 2025-2026 r8-9
Team
Feb 20261/1#572723+9.0
2. liga D 2025-2026 r6-7
Team
Jan 20260.5/1#1072002+1.2
2. liga D 2025-2026 r4-5
Team
Nov 20251/1#552744+10.2
2. liga D 2025-2026 r2-3
Team
Nov 20251/1#492799+11.6

Most-Played Opponents

vsRoman Solil
🇨🇿CZE·1960
+3 −0 =3
6 games·last met Jan 2026
View head-to-head →
vsJosef Sykora
🇨🇿CZE·1947
+0 −1 =5
6 games·last met Jan 2020
View head-to-head →
vsPavel NemecFM
🇨🇿CZE·2169
+0 −3 =2
5 games·last met Nov 2022
View head-to-head →
vsAles Novak
🇨🇿CZE·2095
+0 −1 =4
5 games·last met Mar 2022
View head-to-head →
vsJiri Hajek
🇨🇿CZE·1952
+0 −0 =5
5 games·last met Oct 2021
View head-to-head →

Rankings

/
Czech Republic
#1,275
out of 6,361 players
Europe
#24,169
in continent
World
#32,673
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
...
1275🇨🇿Kosek, Jiri1,970
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
...
24169🇨🇿Kosek, Jiri1,970
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
...
32673🇨🇿Kosek, Jiri1,970