Format
KJ
Kociscak, Jiri
IM🇨🇿FIDE 322121· Male· Czech Republic· Born in 1993
Follow Jiri KociscakTrack his monthly FIDE ratings, games, tournaments and more.
Jiri Kociscak, a 33-year-old Czech International Master, is rated 2486 — just 24 short of his peak of 2510 (Nov 2019, age 26) and ranked 12th among Czech players, and in the top 1% worldwide. He plays occasionally (9 games in the last 12 months) and took a 29-month break between May 2022 and Nov 2024. Recent appearance: Extraliga 2025-2026 r9-11. He reached Czech #11 in Nov 2024.
Awarded IM in 2019 (age 26) and FM in 2008 (age 15). Earned a GM norm at Extraliga druzstev 2018/2019. At junior level, he reached World #60 in U20, World #51 in U16, World #40 in U14, World #81 in U12, World #48 in U10 and #2 nationally in U18.
Current rating
2486
Standard
Rpd2427·Blz2475
All-time high
2510
−24 pts below
Nov 2019 · age 26
Nov 2019 · age 26
Activity
5
games / yr avg.
9 past 12 mo · ≈1/mo
classical only
Occasional
classical only
Occasional
Signature stat
#12
#12 · Czech players · of 5,624
Career timeline
21 entries2024
Peak Czech rank: #11
at age 31 · rated 2477
Nov 2024
2022
Inactive for 29 months
paused at 2479 → returned at 2477
May 2022
2019
Re-crossed 2500
at age 26
Nov 2019
All-time peak 2510
at age 26 · −24 from today
Nov 2019
Re-crossed 2500
at age 26
May 2019
IM title awardedIM
at age 26 · 1st quarter PB 2019
Apr 2019
Standard rating history
Activity & highlights
Evolution
+12
2474 → 2486
Tournaments
5
9 games
Score
7/ 977.8%
6W2D1L
Top 3 wins
Top 1 loss
Last 12 months — tournaments
5 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Team | Mar 2026 | 1.5/2 | #22 | 2509 | +0.6 |
Team | Feb 2026 | 1.5/2 | #17 | 2525 | +1.0 |
Team | Jan 2026 | 2/2 | #3 | 3286 | +10.3 |
Team | Dec 2025 | 2/2 | #13 | 3046 | +4.7 |
Team | Nov 2025 | 0/1 | #96 | 1706 | -4.6 |
Hot streak: 4 tournaments without losing Elo.
Most-Played Opponents
vsVojtech ZwardonIM
🇨🇿CZE·2433
+5 −5 =3
13 games·last met Dec 2019
View head-to-head →
vsVojtech PlatGM
🇸🇰SVK·2483
+2 −7 =3
12 games·last met Jan 2018
View head-to-head →
vsTomas KrausGM
🇨🇿CZE·2409
+6 −1 =3
10 games·last met Sep 2019
View head-to-head →
vsJan KrejciGM
🇨🇿CZE·2495
+2 −1 =6
9 games·last met Sep 2019
View head-to-head →
vsJosef LysFM
🇨🇿CZE·2037
+8 −0 =1
9 games·last met Aug 2015
View head-to-head →
Rankings
/
Czech Republic
#12
out of 6,368 players
Europe
#412
in continent
World
#698
out of 400,000+
National ranking
Europe & World
Europe
World
Czech Republic
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