Format
WJ
Wielosz, Jaroslaw
🇵🇱FIDE 1125842· Male· Poland· Born in 1968
Follow Jaroslaw WieloszTrack his monthly FIDE ratings, games, tournaments and more.
Jaroslaw Wielosz, a 58-year-old Polish player, is rated 1990. He is on a steady climb with +49 Elo over the past 12 months. 22 rated games in the past year (≈27/year long-term). Recent standard appearances include VI SZACHOWE MISTRZOSTWA SENIOROW PANSTW GRUPY WYSZEHRADZKIEJ NA ROK 2026, XXII MIEDZYNARODOWY INTEGRACYJNY TURNIEJ SZACHOWY, and Liga Dolnoslaska 2025-2026 r 3-4. Also played 9 rapid events (including Mistrzostwa Polski w Szachach Szybkich 2025) recently. His peak of 2074 was reached at age 35 (Jul 2003).
Current rating
1990
Standard
Rpd1808·Blz1907
All-time high
2074
−84 pts below
Jul 2003 · age 35
Jul 2003 · age 35
Activity
25
games / yr avg. · ≈2/mo
22 past 12 mo · ≈2/mo
classical only
Moderately active
classical only
Moderately active
Signature stat
#29,107
#29,107 · players worldwide · of 218,279
Career timeline
14 entries2026
25th Polish 55-60 player
at age 58 · rated 1990
Jun 2026
2021
500 career games
at age 53
Jul 2021
2019
30th Polish 50-55 player
at age 51 · rated 2036
Apr 2019
2018
41st Polish 45-50 player
at age 50 · rated 2036
Dec 2018
2017
Best 12-month gain (+93 Elo)
1940 → 2033
Aug 2017
Re-crossed 2000
at age 49
May 2017
Standard rating history
Peak
FIDE title
Threshold
First rated
COVID-19
FIDE recal.
Activity & highlights
Top opponent
Evolution
+49
1941 → 1990
Tournaments
4
22 games
Score
15.5/ 2270.5%
11W9D2L
Top 3 wins
2.[W]vsPawel Graf1,997·VI SZACHOWE MISTRZOSTWA SENIOROW PANSTW GRUPY WYSZEHRADZKIEJ NA ROK 2026·R5·+10.2
Top 2 losses
Last 12 months — tournaments
4 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Open Swiss | Mar 2026 | 6/9 | #15 | 2046 | +21.2 |
Open Swiss | Nov 2025 | 7/9 | #2 | 2073 | +27.4 |
Team | Nov 2025 | 0.5/2 | #67 | 1763 | -10.0 |
Open Swiss | Oct 2025 | 2/2 | #15 | 2576 | +11.4 |
Most-Played Opponents
vsRyszard GrossmannFM
🇵🇱POL·1932
+2 −10 =1
13 games·last met Dec 2023
View head-to-head →
vsMichal WalentukiewiczCM
🇵🇱POL·2045
+2 −4 =4
10 games·last met Oct 2025
View head-to-head →
vsMaurycy Zerebiec
🇵🇱POL·2168
+3 −2 =5
10 games·last met Mar 2024
View head-to-head →
vsKamil StachowiakIM
🇵🇱POL·2393
+1 −8 =0
9 games·last met Oct 2025
View head-to-head →
vsPiotr Madajczak
🇵🇱POL·2139
+1 −7 =0
8 games·last met Sep 2025
View head-to-head →
Rankings
/
Poland
#782
out of 10,822 players
Europe
#21,515
in continent
World
#29,106
out of 400,000+
National ranking
Europe & World
Europe
World
Poland
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| 782 | 1,990 | |
Europe
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| 21515 | 1,990 | |
World
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| 29106 | 1,990 | |