Format
KJ
Kordusiak, Jan
🇵🇱FIDE 41837290· Male· Poland· Born in 2007
Follow Jan KordusiakTrack his monthly FIDE ratings, games, tournaments and more.
Jan Kordusiak, a 19-year-old Polish player, is rated 1668 — just 29 short of his peak of 1697 (Dec 2025, age 18). He is progressing steadily with +23 Elo over the past 12 months. 57 rated games in the past year (≈29/year long-term). Recent standard appearances include IV Wielkopolska Liga Seniorow 2026 A Round 5-6, IV Wielkopolska Liga Seniorow 2026 A Round 3-4, and IV Wielkopolska Liga Seniorow 2026 A Round 1-2. Also played 1 rapid (including Turniej z okazji Swieta Niepodleglosci 11. Listopad Koscian 2025) and 1 blitz events (including Otwarte Mistrzostwa Wielkopolski w Szachach Blyskawicznych 2025) recently.
Current rating
1668
Standard
Rpd1613·Blz1683
All-time high
1697
−29 pts below
Dec 2025 · age 18
Dec 2025 · age 18
Activity
30
games / yr avg. · ≈3/mo
57 past 12 mo · ≈5/mo
classical only
Active
classical only
Active
Signature stat
#121,455
#121,455 · players worldwide · of 218,279
Career timeline
8 entries2026
K-factor lowered to 20
at age 19
Jan 2026
2025
All-time peak 1697
at age 18 · −29 from today
Dec 2025
Re-crossed 1600
at age 18
Oct 2025
Best 12-month gain (+155 Elo)
1519 → 1674
Apr 2025
2024
Crossed 1600
at age 17
Aug 2024
Crossed 1500
at age 17
Jun 2024
Standard rating history
Peak
FIDE title
Threshold
First rated
Activity & highlights
Top opponent
Evolution
+7
1661 → 1668
Tournaments
10
50 games
Score
22/ 5044.0%
17W10D23L
Top 3 wins
Top 3 losses
Last 12 months — tournaments
10 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Round-Robin | Mar 2026 | 1/2 | #44 | 1656 | -0.2 |
Round-Robin | Feb 2026 | 1.5/2 | #11 | 1754 | +4.4 |
Round-Robin | Jan 2026 | 1/2 | #21 | 1618 | -2.8 |
Swiss | Dec 2025 | 2/5 | #23 | 1577 | -34.4 |
Swiss | Nov 2025 | 3/5 | #3 | 1752 | +18.4 |
Open Swiss | Nov 2025 | 2.5/5 | #18 | 1664 | -4.0 |
Swiss | Oct 2025 | 2/4 | #24 | 1760 | +10.8 |
Open Swiss | Aug 2025 | 4.5/9 | #65 | 1794 | +94.8 |
Open Swiss | Jul 2025 | 2.5/9 | #57 | 1500 | -80.4 |
39. Memorial Mistrza Czeslawa Blaszczaka - Puchar Fundacji Dolnoslaskiego Instytutu Sportu i Zdrowia Swiss | Jun 2025 | 2/6 | #16 | 1639 | -17.2 |
Worst Elo result: Poznanski Letni Festiwal Szachowy - Memorial Mistrza Miedzynarodowego Zbigniewa Dody (-80.4 Elo, finished #57).
Most-Played Opponents
Rankings
/
Poland
#2,976
out of 10,822 players
Europe
#84,079
in continent
World
#121,449
out of 400,000+
National ranking
Europe & World
Europe
World
Poland
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