Format
RZ
Rocnak, Zdenek
🇨🇿FIDE 379441· Male· Czech Republic· Born in 1978
Follow Zdenek RocnakTrack his monthly FIDE ratings, games, tournaments and more.
Zdenek Rocnak, a 48-year-old Czech player, is rated 1647 — just 24 short of his peak of 1671 (Apr 2024, age 46). He has held steady between 1600 and 1650 for 19 months. 10 rated games in the past year (≈4/year long-term). Recent standard appearances include PDSS - Krajska soutez zapad 2025-2026 r7-8, PDSS - Krajsky prebor II zapad 2025-2026 r6-7, and CZECH OPEN 2025 - C - open rating tournament. Also played 1 blitz event (including Mistrovstvi CR v blesku 2025 - open) recently. He had 2 career breaks: 33 months (2017–2020) and 24 months (2020–2022, COVID-19 included).
Current rating
1647
Standard
Rpd—·Blz1628
All-time high
1671
−24 pts below
Apr 2024 · age 46
Apr 2024 · age 46
Activity
6
games / yr avg. · ≈1/mo
10 past 12 mo · ≈1/mo
classical only
Occasional
classical only
Occasional
Signature stat
#128,810
#128,810 · players worldwide · of 216,808
Career timeline
12 entries2025
Best 12-month gain (+226 Elo)
1421 → 1647
Feb 2025
K-factor lowered to 20
at age 47
Feb 2025
2024
All-time peak 1671
at age 46 · −24 from today
Apr 2024
Crossed 1600
at age 46
Mar 2024
Re-crossed 1500
at age 46
Mar 2024
2020
Inactive for 24 months
paused at 1499 → returned at 1484
Nov 2020
Standard rating history
Last 12 months — activity & highlights
Top opponent
Evolution
0
1647 → 1647
Tournaments
5
13 games
Score
7.5/ 1357.7%
6W3D4L
Top 3 wins
Top 3 losses
Last 12 months — tournaments
5 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Team | Feb 2026 | 1/1 | #15 | 2315 | +6.6 |
Team | Jan 2026 | 0.5/1 | #79 | 1678 | +1.4 |
Team | Jan 2026 | 1/1 | #20 | 2436 | +10.2 |
Team | Nov 2025 | 1/1 | #35 | 2376 | +10.2 |
Open Swiss | Jul 2025 | 4/6 | #106 | 1707 | -29.0 |
Rankings
/
Czech Republic
#4,525
out of 6,368 players
Europe
#88,331
in continent
World
#128,804
out of 400,000+
National ranking
Europe & World
Europe
World
Czech Republic
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