Format
JK
Jandacek, Krystof
🇨🇿FIDE 23780800· Male· Czech Republic· Born in 2012
Follow Krystof JandacekTrack his monthly FIDE ratings, games, tournaments and more.
Krystof Jandacek, a 14-year-old Czech player, is rated 2008 — his current career high and ranked 6th among Czech players under 14. He is climbing fast, having gained +303 Elo over the past 12 months. 89 rated games in the past year (≈70/year long-term). Recent standard appearances include 1. liga mladeze B 2025-2026 r8-11, PILSEN OPEN 2026 C - FIDE open, and SSS - Krajska soutez - skupina A 2025-2026 r10-11. Also played 4 rapid (including Grand Prix CR Usti nad Labem 2026) and 3 blitz events (including Mistrovstvi CR v blesku 2025 - open) recently.
At junior level, he reached #6 and #23 nationally in U14 and U12.
Current rating
2008
Standard
Rpd1836·Blz1833
All-time high
2008
at best
May 2026 · age 14
May 2026 · age 14
Activity
66
games / yr avg. · ≈6/mo
89 past 12 mo · ≈7/mo
classical only
Active
classical only
Active
Signature stat
#6
#6 · Czech players under 14 · of 245
Career timeline
8 entries2026
6th Czech U14 player
at age 14 · rated 2008
May 2026
Best 12-month gain (+304 Elo)
1704 → 2008
May 2026
Crossed 2000
at age 14
May 2026
All-time peak 2008
at age 14
May 2026
100 career games
at age 14
Apr 2026
2025
Crossed 1800
at age 13
Sep 2025
Standard rating history
Peak
FIDE title
Threshold
First rated
Activity & highlights
Top opponent
Evolution
+304
1704 → 2008
Tournaments
18
90 games
Score
58/ 9064.4%
46W24D20L
Top 3 wins
Top 3 losses
Last 12 months — tournaments
14 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Team | Apr 2026 | 3.5/4 | #8 | 2045 | +7.2 |
Open Swiss | Mar 2026 | 5/9 | #22 | 1996 | +17.6 |
Team | Mar 2026 | 1/2 | #22 | 1756 | -19.4 |
Swiss | Mar 2026 | 5/9 | #11 | 1943 | -4.6 |
Open Swiss | Feb 2026 | 3.5/7 | #236 | 2122 | +52.4 |
Team | Feb 2026 | 1.5/2 | #20 | 2046 | +10.0 |
Team | Jan 2026 | 2/2 | #3 | 2461 | +10.8 |
Team | Jan 2026 | 1.5/2 | #21 | 2082 | +10.0 |
Open Swiss | Jan 2026 | 6/9 | #13 | 1825 | -58.0 |
Team | Dec 2025 | 2/2 | #7 | 2482 | +19.2 |
Rankings
/
Czech Republic
#994
out of 6,361 players
Europe
#19,420
in continent
World
#26,276
out of 400,000+
National ranking
Europe & World
Europe
World
Czech Republic
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