Format
KW
Kosiorowski, Wieslaw
🇵🇱FIDE 91123682· Male· Poland· Born in 1978
Follow Wieslaw KosiorowskiTrack his monthly FIDE ratings, games, tournaments and more.
Wieslaw Kosiorowski, a 48-year-old Polish player, is rated 1511. He plays occasionally (6 games in the last 12 months). Recent appearance: DMP V Podkarpacka Liga Seniorow 2025. Also played 1 rapid event (including TURNIEJ SZACHOWY O PUCHAR WOJTA GMINY SKRZYSZOW) recently. His peak of 1747 was reached at age 47 (Jan 2025).
Current rating
1511
Standard
Rpd1530·Blz—
All-time high
1747
−236 pts below
Jan 2025 · age 47
Jan 2025 · age 47
Activity
10
games / yr avg. · ≈1/mo
3 past 12 mo
classical only
Moderately active
classical only
Moderately active
Signature stat
#181,470
#181,470 · players worldwide · of 218,279
Career timeline
5 entries2025
Crossed 1600
at age 47
Jan 2025
Crossed 1500
at age 47
Jan 2025
Crossed 1400
at age 47
Jan 2025
All-time peak 1747
at age 47 · −236 from today
Jan 2025
First FIDE rating
1747 · at age 47
Jan 2025
Standard rating history
Peak
FIDE title
Threshold
First rated
Activity & highlights
Evolution
-44
1555 → 1511
Tournaments
1
4 games
Score
0.5/ 412.5%
0W1D3L
Top 1 win
Top 2 losses
Last 12 months — tournaments
1 event| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Team | Oct 2025 | 0.5/3 | #98 | 1239 | -46.4 |
Rankings
/
Poland
#5,088
out of 10,822 players
Europe
#115,234
in continent
World
#181,425
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. | 2,571 |
| 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. | 2,549 |
| 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 |
| ... | ||
| 5088 | 1,511 | |
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 |
| ... | ||
| 115234 | 1,511 | |
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 |
| ... | ||
| 181425 | 1,511 | |