Format
CJ
Chaloupka, Jan
🇨🇿FIDE 23768967· Male· Czech Republic· Born in 2014
Follow Jan ChaloupkaTrack his monthly FIDE ratings, games, tournaments and more.
Jan Chaloupka, a 12-year-old Czech player, is rated 1601 — just 30 short of his peak of 1631 (Aug 2025, age 11). He has slipped back 30 Elo over the past 12 months. 10 rated games in the past year. Recent appearances: SSS - Krajska soutez - skupina A 2025-2026 r8-9 and O pohar mesta Klatov 2025 - open B.
At junior level, he reached #29 nationally in U12.
Current rating
1601
Standard
Rpd—·Blz—
All-time high
1631
−30 pts below
Aug 2025 · age 11
Aug 2025 · age 11
Activity
11
games / yr avg. · ≈1/mo
10 past 12 mo · ≈1/mo
classical only
Moderately active
classical only
Moderately active
Signature stat
#146,651
#146,651 · players worldwide · of 218,279
Career timeline
6 entries2026
29th Czech U12 player
at age 12 · rated 1631
Jan 2026
2025
Crossed 1600
at age 11
Aug 2025
Crossed 1500
at age 11
Aug 2025
Crossed 1400
at age 11
Aug 2025
All-time peak 1631
at age 11 · −30 from today
Aug 2025
First FIDE rating
1631 · at age 11
Aug 2025
Standard rating history
Peak
FIDE title
Threshold
First rated
Activity & highlights
Evolution
-30
1631 → 1601
Tournaments
2
10 games
Score
4.5/ 1045.0%
3W3D4L
Top 3 wins
Top 3 losses
Last 12 months — tournaments
2 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Team | Feb 2026 | 0/1 | #114 | 639 | -30.0 |
Open Swiss | Jun 2025 | 4.5/9 | #31 | 1594 | 0.0 |
Rankings
/
Czech Republic
#4,833
out of 6,361 players
Europe
#98,120
in continent
World
#146,639
out of 400,000+
National ranking
Europe & World
Europe
World
Czech Republic
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