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 appearances: DMP V Podkarpacka Liga Seniorow 2025 and DMP - IV Liga Szachowa Seniorow PK 2025 Round 6-9. 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
11
games / yr avg. · ≈1/mo
6 past 12 mo · ≈1/mo
classical only
Moderately active
classical only
Moderately active
Signature stat
#180,517
#180,517 · players worldwide · of 216,808
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
Last 12 months — activity & highlights
Evolution
-44
1555 → 1511
Tournaments
2
7 games
Score
0.5/ 77.1%
0W1D6L
Top 1 win
Top 3 losses
Last 12 months — tournaments
2 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Team | Oct 2025 | 0.5/3 | #98 | 1239 | -46.4 |
Team | May 2025 | 0/3 | #102 | 814 | -60.8 |
Rankings
/
Poland
#5,043
out of 10,756 players
Europe
#114,656
in continent
World
#180,470
out of 400,000+
National ranking
Europe & World
Europe
World
Poland
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| ... | ||
| 5043 | 1,511 | |
Europe
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| 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 |
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| ... | ||
| 114656 | 1,511 | |
World
| 1 | 🇳🇴Follow Magnus CarlsenTrack their monthly FIDE ratings, games, tournaments and more. | 2,840 |
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| 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 |
| ... | ||
| 180470 | 1,511 | |