Format
KE
Kostka, Eryk
🇵🇱FIDE 41843614· Male· Poland· Born in 2009
Follow Eryk KostkaTrack his monthly FIDE ratings, games, tournaments and more.
Eryk Kostka, a 17-year-old Polish player, is rated 1721. He has slipped back 73 Elo over the past 12 months. 19 rated games in the past year (≈36/year long-term). Recent standard appearances include Wielkopolska III Liga Seniorow sezon 2025-2026 Round 1-3, XXXII Festiwal Szachowy w Poznaniu - OPEN A, and Poznanski Letni Festiwal Szachowy - Memorial Mistrza Miedzynarodowego Zbigniewa Dody. Also played 1 rapid (including Festiwal Szachowy 25 lat UMKS Na Pieterku i 35 lat Pieterka OPEN) and 1 blitz events (including Blekitny - Express) recently. His peak of 1833 was reached at age 16 (Mar 2025).
At junior level, he reached #84 nationally in U16.
Current rating
1721
Standard
Rpd1707·Blz1591
All-time high
1833
−112 pts below
Mar 2025 · age 16
Mar 2025 · age 16
Activity
44
games / yr avg. · ≈4/mo
19 past 12 mo · ≈2/mo
classical only
Active
classical only
Active
Signature stat
#102,322
#102,322 · players worldwide · of 216,808
Career timeline
8 entries2025
84th Polish U16 player
at age 16 · rated 1833
Mar 2025
All-time peak 1833
at age 16 · −112 from today
Mar 2025
Crossed 1800
at age 16
Jan 2025
2024
100 career games
at age 15
Dec 2024
Best 12-month gain (+661 Elo)
1049 → 1710
Apr 2024
6-month rising streak
+349 Elo
Apr 2024
Standard rating history
Last 12 months — activity & highlights
Top opponent
Poznanski Letni Festiwal Szachowy - Memorial Mistrza Miedzynarodowego Zbigniewa Dody · Jul 2025 · +6.1 Elo
Evolution
-74
1795 → 1721
Tournaments
3
19 games
Score
9/ 1947.4%
7W4D8L
Top 3 wins
Top 3 losses
Last 12 months — tournaments
3 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Team | Jan 2026 | 1/3 | #46 | 1649 | -14.4 |
Open Swiss | Aug 2025 | 3.5/7 | #92 | 1666 | -36.4 |
Open Swiss | Jul 2025 | 4.5/9 | #27 | 1747 | -23.2 |
Rankings
/
Poland
#2,426
out of 10,756 players
Europe
#72,385
in continent
World
#102,321
out of 400,000+
National ranking
Europe & World
Europe
World
Poland
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Europe
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| 72385 | 1,721 | |
World
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