Format
KJ
Koci, Jiri
🇨🇿FIDE 341029· Male· Czech Republic· Born in 1946
Follow Jiri KociTrack his monthly FIDE ratings, games, tournaments and more.
Jiri Koci, a 80-year-old Czech player, is rated 1704 — his current career high. He plays occasionally (5 games in the last 12 months). Recent appearance: JMSS - Krajsky prebor II B 2025-2026 r8-9.
Current rating
1704
Standard
Rpd—·Blz—
All-time high
1704
at best
Mar 2026 · age 80
Mar 2026 · age 80
Activity
5
games / yr avg.
5 past 12 mo
classical only
Occasional
classical only
Occasional
Signature stat
#108,251
#108,251 · players worldwide · of 216,808
Career timeline
6 entries2026
All-time peak 1704
at age 80
Mar 2026
2024
Best 12-month gain (+222 Elo)
1445 → 1667
Mar 2024
Crossed 1600
at age 78
Mar 2024
Crossed 1500
at age 78
Mar 2024
Crossed 1400
at age 78
Feb 2024
First FIDE rating
1445 · at age 78
Feb 2024
Standard rating history
Last 12 months — activity & highlights
Evolution
+40
1664 → 1704
Tournaments
4
7 games
Score
4.5/ 764.3%
3W3D1L
Top 3 wins
Top 1 loss
Last 12 months — tournaments
4 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Team | Feb 2026 | 1.5/1 | #35 | 2647 | +29.2 |
Team | Jan 2026 | 0/1 | #90 | 1157 | -6.8 |
Team | Nov 2025 | 1.5/2 | #14 | 1857 | +20.4 |
Team | Nov 2025 | 1.5/1 | #46 | 2431 | -2.0 |
Rankings
/
Czech Republic
#4,089
out of 6,368 players
Europe
#76,081
in continent
World
#108,249
out of 400,000+
National ranking
Europe & World
Europe
World
Czech Republic
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