Format
KZ
Kostal, Zdislav
🇨🇿FIDE 393258· Male· Czech Republic· Born in 1950
Follow Zdislav KostalTrack his monthly FIDE ratings, games, tournaments and more.
Zdislav Kostal, a 76-year-old Czech player, is rated 1722. He has fluctuated between 1706 and 1780 over the past 2 years. 59 rated games in the past year (≈18/year long-term). Recent standard appearances include Vrsovicky jarni open 2026 r1, PSS - Krajska soutez 1.1 2025-2026 r9-10, and PRAGUE INTERNATIONAL CHESS FESTIVAL 2026 - E2 round-robin tournament. Also played 1 rapid (including Vrsovicky podzimni rapid 2025) and 1 blitz events (including Tatrafest 2025 - SeniorBlesk) recently. His peak of 1780 was reached at age 75 (Dec 2025).
Current rating
1722
Standard
Rpd1762·Blz1723
All-time high
1780
−58 pts below
Dec 2025 · age 75
Dec 2025 · age 75
Activity
51
games / yr avg. · ≈4/mo
59 past 12 mo · ≈5/mo
classical only
Active
classical only
Active
Signature stat
#102,012
#102,012 · players worldwide · of 216,808
Career timeline
10 entries2025
All-time peak 1780
at age 75 · −58 from today
Dec 2025
2024
Best 12-month gain (+152 Elo)
1621 → 1773
Dec 2024
100 career games
at age 74
Jun 2024
2022
K-factor lowered to 20
at age 72
May 2022
2020
Inactive for 23 months
paused at 1632 → returned at 1633
Jan 2020
2018
Crossed 1600
at age 68
Jul 2018
Standard rating history
Last 12 months — activity & highlights
Evolution
+3
1719 → 1722
Tournaments
12
60 games
Score
23/ 6038.3%
13W20D27L
Top 3 wins
Top 3 losses
Last 12 months — tournaments
top 10 of 12| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Swiss | Apr 2026 | 0/1 | #32 | 1173 | -3.8 |
Team | Mar 2026 | 0/1 | #131 | 1042 | -7.6 |
Round-Robin | Feb 2026 | 3.5/9 | #9 | 1680 | -18.4 |
Open Swiss | Jan 2026 | 3.5/9 | #58 | 1680 | -24.4 |
Swiss | Dec 2025 | 0/1 | #25 | 1177 | -5.0 |
Rankings
/
Czech Republic
#3,916
out of 6,368 players
Europe
#72,181
in continent
World
#102,011
out of 400,000+
National ranking
Europe & World
Europe
World
Czech Republic
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