Format
ZO
Zak, Ondrej
🇨🇿FIDE 23768959· Male· Czech Republic· Born in 2014
Follow Ondrej ZakTrack his monthly FIDE ratings, games, tournaments and more.
Ondrej Zak, a 12-year-old Czech player, is rated 1492. He has slipped back 63 Elo over the past 12 months. 17 rated games in the past year (≈7/year long-term). Recent standard appearances include Mistrovstvi CR mladeze 2026 - Open, Mistrovstvi Moravy a Slezska 2025 - U12, and MKSS - Okresni prebor druzstev F-M 2025-2026 r1. Also played 5 rapid (including Mostecka vez 2025) and 1 blitz events (including Chess Slovak Open Blitz 2025) recently. His peak of 1555 was reached at age 11 (Aug 2025).
At junior level, he reached #62 nationally in U12.
Current rating
1492
Standard
Rpd1455·Blz1509
All-time high
1555
−63 pts below
Aug 2025 · age 11
Aug 2025 · age 11
Activity
8
games / yr avg. · ≈1/mo
17 past 12 mo · ≈1/mo
classical only
Occasional
classical only
Occasional
Signature stat
#188,817
#188,817 · players worldwide · of 218,279
Career timeline
6 entries2026
62nd Czech U12 player
at age 12 · rated 1546
Feb 2026
2025
Crossed 1500
at age 11
Aug 2025
Crossed 1400
at age 11
Aug 2025
Crossed 1200
at age 11
Aug 2025
All-time peak 1555
at age 11 · −63 from today
Aug 2025
First FIDE rating
1555 · at age 11
Aug 2025
Standard rating history
Peak
FIDE title
Threshold
First rated
Activity & highlights
Top opponent
Evolution
—
Tournaments
5
31 games
Score
14/ 3145.2%
12W4D15L
Top 3 wins
Top 3 losses
Last 12 months — tournaments
5 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Swiss | Mar 2026 | 4/5 | #30 | 1853 | -45.6 |
Open Swiss | Oct 2025 | 4/3 | #33 | 2286 | -14.8 |
Team | Oct 2025 | 1/1 | #13 | 2431 | +25.6 |
Open Swiss | Aug 2025 | 1/3 | #44 | 1652 | -27.2 |
Open Swiss | Jun 2025 | 4/6 | #4 | 1472 | 0.0 |
Rankings
/
Czech Republic
#5,384
out of 6,361 players
Europe
#118,437
in continent
World
#188,748
out of 400,000+
National ranking
Europe & World
Europe
World
Czech Republic
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World
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