Format
KJ
Kosturkiewicz, Jacek
🇵🇱FIDE 1112155· Male· Poland· Born in 1959
Follow Jacek KosturkiewiczTrack his monthly FIDE ratings, games, tournaments and more.
Jacek Kosturkiewicz, a 67-year-old Polish player, is rated 1850. He plays occasionally (9 games in the last 12 months) and had 7 career breaks: 13 months (2011–2012), 20 months (2012–2014), 23 months (2014–2016), 31 months (2016–2019), 35 months (2019–2022, COVID-19 included), 23 months (2022–2024) and 23 months (2024–2026). Recent appearance: XXXVI Miedzynarodowy Festiwal Szachowy CRACOVIA 2025 Grupa B. His peak of 2202 was reached at age 44 (Apr 2003).
Current rating
1850
Standard
Rpd—·Blz—
All-time high
2202
−352 pts below
Apr 2003 · age 44
Apr 2003 · age 44
Activity
6
games / yr avg. · ≈1/mo
9 past 12 mo · ≈1/mo
classical only
Occasional
classical only
Occasional
Signature stat
#61,468
#61,468 · players worldwide · of 218,279
Career timeline
21 entries2025
45th Polish 65-70 player
at age 66 · rated 1895
Jan 2025
2024
Best 12-month gain (+48 Elo)
1847 → 1895
Mar 2024
Inactive for 23 months
paused at 1825 → returned at 1850
Feb 2024
2022
54th Polish 60-65 player
at age 63 · rated 1847
Apr 2022
Inactive for 23 months
paused at 1847 → returned at 1825
Feb 2022
2019
Inactive for 35 months
paused at 1900 → returned at 1847
Feb 2019
Standard rating history
Peak
FIDE title
Threshold
First rated
Inactive period
COVID-19
FIDE recal.
Activity & highlights
Top opponent
Evolution
-45
1895 → 1850
Tournaments
1
9 games
Score
2.5/ 927.8%
1W3D5L
Top 3 wins
Top 3 losses
2.[L]vsAleksander Galazka1,829·XXXVI Miedzynarodowy Festiwal Szachowy CRACOVIA 2025 Grupa B·R2·-10.6
Last 12 months — tournaments
1 event| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Open Swiss | Dec 2025 | 2.5/9 | #169 | 1710 | -44.6 |
Worst Elo result: XXXVI Miedzynarodowy Festiwal Szachowy CRACOVIA 2025 Grupa B (-44.6 Elo, finished #169).
Rankings
/
Poland
#1,509
out of 10,822 players
Europe
#44,963
in continent
World
#61,467
out of 400,000+
National ranking
Europe & World
Europe
World
Poland
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| 9 | 🇵🇱Follow Jakub SeemannTrack their monthly FIDE ratings, games, tournaments and more. | 2,548 |
| 10 | 🇵🇱Follow Mateusz BartelTrack their monthly FIDE ratings, games, tournaments and more. | 2,547 |
| ... | ||
| 1509 | 1,850 | |
Europe
| 1 | 🇳🇴Follow Magnus CarlsenTrack their monthly FIDE ratings, games, tournaments and more. | 2,841 |
| 2 | 🇩🇪Follow Vincent KeymerTrack their monthly FIDE ratings, games, tournaments and more. | 2,767 |
| 3 | 🇳🇱Follow Anish GiriTrack their monthly FIDE ratings, games, tournaments and more. | 2,764 |
| 4 | 🇫🇷Follow Alireza FirouzjaTrack their monthly FIDE ratings, games, tournaments and more. | 2,744 |
| 5 | 🇵🇱Follow Jan-Krzysztof DudaTrack their monthly FIDE ratings, games, tournaments and more. | 2,739 |
| 6 | 🇭🇺Follow Richard RapportTrack their monthly FIDE ratings, games, tournaments and more. | 2,729 |
| 7 | 🇳🇱Follow Jorden Van ForeestTrack their monthly FIDE ratings, games, tournaments and more. | 2,728 |
| 8 | 🇫🇷Follow Maxime Vachier-LagraveTrack their monthly FIDE ratings, games, tournaments and more. | 2,721 |
| 9 | 🇦🇿Follow Shakhriyar MamedyarovTrack their monthly FIDE ratings, games, tournaments and more. | 2,717 |
| 10 | 🇹🇷Follow Yagiz Kaan ErdogmusTrack their monthly FIDE ratings, games, tournaments and more. | 2,713 |
| ... | ||
| 44963 | 1,850 | |
World
| 1 | 🇳🇴Follow Magnus CarlsenTrack their monthly FIDE ratings, games, tournaments and more. | 2,841 |
| 2 | 🇺🇸Follow Hikaru NakamuraTrack their monthly FIDE ratings, games, tournaments and more. | 2,792 |
| 2 | 🇺🇸Follow Fabiano CaruanaTrack their monthly FIDE ratings, games, tournaments and more. | 2,792 |
| 4 | 🇺🇿Follow Nodirbek AbdusattorovTrack their monthly FIDE ratings, games, tournaments and more. | 2,777 |
| 4 | 🇺🇿Follow Javokhir SindarovTrack their monthly FIDE ratings, games, tournaments and more. | 2,777 |
| 6 | 🇩🇪Follow Vincent KeymerTrack their monthly FIDE ratings, games, tournaments and more. | 2,767 |
| 7 | 🇳🇱Follow Anish GiriTrack their monthly FIDE ratings, games, tournaments and more. | 2,764 |
| 8 | 🇮🇳Follow Erigaisi ArjunTrack their monthly FIDE ratings, games, tournaments and more. | 2,761 |
| 9 | 🇺🇸Follow Wesley SoTrack their monthly FIDE ratings, games, tournaments and more. | 2,753 |
| 9 | 🇨🇳Follow Yi WeiTrack their monthly FIDE ratings, games, tournaments and more. | 2,753 |
| ... | ||
| 61467 | 1,850 | |