Format
HJ
Havlin, Jonas Jason
🇨🇿FIDE 23766131· Male· Czech Republic· Born in 2006
Follow Jonas Jason HavlinTrack his monthly FIDE ratings, games, tournaments and more.
Jonas Jason Havlin, a 20-year-old Czech player, is rated 1610. He plays occasionally (2 games in the last 12 months) and took a 12-month break between Aug 2024 and Sep 2025. Recent appearance: ATMEN Open Desko Liberec 2025. His peak of 1642 was reached at age 18 (Aug 2024).
Current rating
1610
Standard
Rpd—·Blz—
All-time high
1642
−32 pts below
Aug 2024 · age 18
Aug 2024 · age 18
Activity
5
games / yr avg.
2 past 12 mo
classical only
Occasional
classical only
Occasional
Signature stat
#142,583
#142,583 · players worldwide · of 216,808
Career timeline
6 entries2024
Crossed 1600
at age 18
Aug 2024
Crossed 1500
at age 18
Aug 2024
Crossed 1400
at age 18
Aug 2024
All-time peak 1642
at age 18 · −32 from today
Aug 2024
Inactive for 12 months
paused at 1642 → returned at 1610
Aug 2024
First FIDE rating
1642 · at age 18
Aug 2024
Standard rating history
Last 12 months — activity & highlights
Evolution
-32
1642 → 1610
Tournaments
1
7 games
Score
2.5/ 735.7%
2W1D4L
Top wins
No noteworthy wins (no Elo gained on any game).
Top 2 losses
Last 12 months — tournaments
1 event| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Open Swiss | Aug 2025 | 2.5/2 | #70 | 2551 | -32.4 |
Rankings
/
Czech Republic
#4,777
out of 6,368 players
Europe
#95,927
in continent
World
#142,573
out of 400,000+
National ranking
Europe & World
Europe
World
Czech Republic
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