Format
KG
Kosiorowski, Grzegorz
🇵🇱FIDE 91165075· Male· Poland· Born in 1983
Follow Grzegorz KosiorowskiTrack his monthly FIDE ratings, games, tournaments and more.
Grzegorz Kosiorowski, a 43-year-old Polish player, is rated 1781. He has fluctuated between 1781 and 1830 over the past 2 years. 23 rated games in the past year (≈13/year long-term). Recent standard appearances include Turniej FIDE w KSz Dwie Wieze Krakow, XXXVI Miedzynarodowy Festiwal Szachowy CRACOVIA 2025 Grupa B, and V Bieszczadzki Festiwal Szachowy 2025 - OPEN. Also played 1 rapid event (including V Bieszczadzki Festiwal Szachowy 2025 - Rapid) recently. His peak of 1830 was reached at age 43 (Feb 2026).
Current rating
1781
Standard
Rpd1739·Blz—
All-time high
1830
−49 pts below
Feb 2026 · age 43
Feb 2026 · age 43
Activity
13
games / yr avg. · ≈1/mo
23 past 12 mo · ≈2/mo
classical only
Moderately active
classical only
Moderately active
Signature stat
#82,271
#82,271 · players worldwide · of 216,808
Career timeline
4 entries2026
All-time peak 1830
at age 43 · −49 from today
Feb 2026
2025
Crossed 1800
at age 42
Aug 2025
Crossed 1600
at age 42
Aug 2025
First FIDE rating
1807 · at age 42
Aug 2025
Standard rating history
Last 12 months — activity & highlights
Top opponent
Evolution
—
Tournaments
3
23 games
Score
11.5/ 2350.0%
8W7D8L
Top 3 wins
Top 3 losses
Last 12 months — tournaments
3 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Open Swiss | Mar 2026 | 3/5 | #5 | 1608 | -48.8 |
Open Swiss | Dec 2025 | 3.5/9 | #140 | 1860 | +22.8 |
Open Swiss | Jul 2025 | 5/9 | #11 | 1785 | 0.0 |
Rankings
/
Poland
#1,957
out of 10,756 players
Europe
#59,249
in continent
World
#82,270
out of 400,000+
National ranking
Europe & World
Europe
World
Poland
| 1 | 🇵🇱Follow Jan-Krzysztof DudaTrack their monthly FIDE ratings, games, tournaments and more. | 2,739 |
| 2 | 🇵🇱Follow Radoslaw WojtaszekTrack their monthly FIDE ratings, games, tournaments and more. | 2,650 |
| 3 | 🇵🇱Follow Szymon GumularzTrack their monthly FIDE ratings, games, tournaments and more. | 2,613 |
| 4 | 🇵🇱Follow Pawel TeclafTrack their monthly FIDE ratings, games, tournaments and more. | 2,573 |
| 5 | 🇵🇱Follow Jan MalekTrack their monthly FIDE ratings, games, tournaments and more. | 2,560 |
| 6 | 🇵🇱Follow Tomasz WarakomskiTrack their monthly FIDE ratings, games, tournaments and more. | 2,558 |
| 7 | 🇵🇱Follow Bartosz SockoTrack their monthly FIDE ratings, games, tournaments and more. | 2,552 |
| 8 | 🇵🇱Follow Jakub KosakowskiTrack their monthly FIDE ratings, games, tournaments and more. | 2,550 |
| 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 |
| ... | ||
| 1957 | 1,781 | |
Europe
| 1 | 🇳🇴Follow Magnus CarlsenTrack their monthly FIDE ratings, games, tournaments and more. | 2,840 |
| 2 | 🇳🇱Follow Anish GiriTrack their monthly FIDE ratings, games, tournaments and more. | 2,767 |
| 3 | 🇩🇪Follow Vincent KeymerTrack their monthly FIDE ratings, games, tournaments and more. | 2,759 |
| 3 | 🇫🇷Follow Alireza FirouzjaTrack their monthly FIDE ratings, games, tournaments and more. | 2,759 |
| 5 | 🇵🇱Follow Jan-Krzysztof DudaTrack their monthly FIDE ratings, games, tournaments and more. | 2,739 |
| 6 | 🇳🇱Follow Jorden Van ForeestTrack their monthly FIDE ratings, games, tournaments and more. | 2,735 |
| 7 | 🇭🇺Follow Richard RapportTrack their monthly FIDE ratings, games, tournaments and more. | 2,729 |
| 8 | 🇫🇷Follow Maxime Vachier-LagraveTrack their monthly FIDE ratings, games, tournaments and more. | 2,717 |
| 8 | 🇦🇿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. | 2,708 |
| ... | ||
| 59249 | 1,781 | |
World
| 1 | 🇳🇴Follow Magnus CarlsenTrack their monthly FIDE ratings, games, tournaments and more. | 2,840 |
| 2 | 🇺🇸Follow Hikaru NakamuraTrack their monthly FIDE ratings, games, tournaments and more. | 2,792 |
| 3 | 🇺🇸Follow Fabiano CaruanaTrack their monthly FIDE ratings, games, tournaments and more. | 2,788 |
| 4 | 🇺🇿Follow Nodirbek AbdusattorovTrack their monthly FIDE ratings, games, tournaments and more. | 2,780 |
| 5 | 🇺🇿Follow Javokhir SindarovTrack their monthly FIDE ratings, games, tournaments and more. | 2,776 |
| 6 | 🇳🇱Follow Anish GiriTrack their monthly FIDE ratings, games, tournaments and more. | 2,767 |
| 7 | 🇩🇪Follow Vincent KeymerTrack their monthly FIDE ratings, games, tournaments and more. | 2,759 |
| 7 | 🇫🇷Follow Alireza FirouzjaTrack their monthly FIDE ratings, games, tournaments and more. | 2,759 |
| 9 | 🇺🇸Follow Wesley SoTrack their monthly FIDE ratings, games, tournaments and more. | 2,754 |
| 10 | 🇨🇳Follow Yi WeiTrack their monthly FIDE ratings, games, tournaments and more. | 2,753 |
| ... | ||
| 82270 | 1,781 | |