Format
KJ
Kozohorsky, Jan
🇨🇿FIDE 23730382· Male· Czech Republic· Born in 1986
Follow Jan KozohorskyTrack his monthly FIDE ratings, games, tournaments and more.
Jan Kozohorsky, a 40-year-old Czech player, is rated 1630. He has slipped back 69 Elo over the past 12 months. 10 rated games in the past year (≈5/year long-term). Recent appearance: MKSS - Krajska soutez B 2025-2026 r10-11. Also played 1 rapid event (including Bilovec 2026) recently. His peak of 1742 was reached at age 38 (Apr 2024).
Current rating
1630
Standard
Rpd1646·Blz—
All-time high
1742
−112 pts below
Apr 2024 · age 38
Apr 2024 · age 38
Activity
8
games / yr avg. · ≈1/mo
10 past 12 mo · ≈1/mo
classical only
Occasional
classical only
Occasional
Signature stat
#135,699
#135,699 · players worldwide · of 218,279
Career timeline
8 entries2026
K-factor lowered to 20
at age 40
Feb 2026
2025
Best 12-month gain (+142 Elo)
1581 → 1723
Jan 2025
2024
All-time peak 1742
at age 38 · −112 from today
Apr 2024
Re-crossed 1600
at age 38
Mar 2024
2023
Crossed 1600
at age 37
Feb 2023
Crossed 1500
at age 37
Feb 2023
Standard rating history
Peak
FIDE title
Threshold
First rated
COVID-19
FIDE recal.
Activity & highlights
Evolution
-69
1699 → 1630
Tournaments
6
10 games
Score
0/ 100.0%
0W0D10L
Top wins
No standard wins or draws in the last 12 months.
Top 3 losses
Last 12 months — tournaments
6 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Team | Mar 2026 | 0/2 | #113 | 1071 | -8.2 |
Team | Feb 2026 | 0/1 | #99 | 1270 | -1.6 |
Team | Jan 2026 | 0/2 | #98 | 1140 | -14.0 |
Team | Nov 2025 | 0/2 | #91 | 1149 | -14.8 |
Team | Nov 2025 | 0/2 | #101 | 1101 | -20.4 |
Team | Oct 2025 | 0/1 | #65 | 1088 | -10.0 |
Rankings
/
Czech Republic
#4,642
out of 6,361 players
Europe
#92,166
in continent
World
#135,691
out of 400,000+
National ranking
Europe & World
Europe
World
Czech Republic
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