Format
CO
Chadima, Ondrej
🇨🇿FIDE 23771003· Male· Czech Republic· Born in 2010
Follow Ondrej ChadimaTrack his monthly FIDE ratings, games, tournaments and more.
Ondrej Chadima, a 16-year-old Czech player, is rated 1654 — his current career high. He is climbing fast, having gained +113 Elo over the past 12 months. 26 rated games in the past year (≈19/year long-term). Recent standard appearances include FIDE Open QCC Ceske Budejovice 2026, JSS - 2. divize skupina Finale B 2025-2026 r3-4, and JSS - 2. divize skupina B 2025-2026 r6-7. Also played 1 rapid event (including Prebor mesta Ceske Budejovice 2025 v rapidu) recently.
Current rating
1654
Standard
Rpd1580·Blz—
All-time high
1654
at best
Jun 2026 · age 16
Jun 2026 · age 16
Activity
18
games / yr avg. · ≈2/mo
20 past 12 mo · ≈2/mo
classical only
Moderately active
classical only
Moderately active
Signature stat
#126,714
#126,714 · players worldwide · of 218,279
Career timeline
6 entries2026
Best 12-month gain (+113 Elo)
1541 → 1654
Jun 2026
All-time peak 1654
at age 16
Jun 2026
Crossed 1600
at age 16
Apr 2026
2024
Crossed 1500
at age 14
Jun 2024
Crossed 1400
at age 14
Jun 2024
First FIDE rating
1530 · at age 14
Jun 2024
Standard rating history
Peak
FIDE title
Threshold
First rated
Activity & highlights
Evolution
+113
1541 → 1654
Tournaments
6
25 games
Score
12/ 2548.0%
11W4D10L
Top 3 wins
Top 3 losses
Last 12 months — tournaments
6 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Swiss | May 2026 | 4.5/8 | #15 | 1859 | +54.4 |
Team | Mar 2026 | 1/1 | #17 | 2510 | +27.2 |
Team | Jan 2026 | 0.5/1 | #54 | 1857 | +14.0 |
Team | Nov 2025 | 1/2 | #19 | 1583 | +3.2 |
Team | Nov 2025 | 0.5/2 | #51 | 1572 | +0.4 |
Open Swiss | Jun 2025 | 4.5/6 | #34 | 1784 | +15.2 |
Hot streak: 6 tournaments without losing Elo.
Rankings
/
Czech Republic
#4,505
out of 6,361 players
Europe
#87,151
in continent
World
#126,708
out of 400,000+
National ranking
Europe & World
Europe
World
Czech Republic
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Europe
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| 87151 | 1,654 | |
World
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| 126708 | 1,654 | |