Format
MJ
Mierzynski, Jaroslaw
🇵🇱FIDE 1116827· Male· Poland· Born in 1962
Follow Jaroslaw MierzynskiTrack his monthly FIDE ratings, games, tournaments and more.
Jaroslaw Mierzynski, a 64-year-old Polish player, is rated 1956. He has held steady between 1950 and 2000 for 14 months. 21 rated games in the past year (≈9/year long-term). Recent standard appearances include IV Wielkopolska Liga Seniorow 2026 A Round 3-4, IV Wielkopolska Liga Seniorow 2026 A Round 1-2, and Mistrzostwa Polski Niepelnosprawnych w Szachach 2026. He had 5 career breaks: 14 months (2006–2007), 40 months (2009–2012), 24 months (2012–2015), 12 months (2015–2016) and 12 months (2017–2018). His peak of 2115 was reached at age 39 (Apr 2001).
Current rating
1956
Standard
Rpd1873·Blz1727
All-time high
2115
−159 pts below
Apr 2001 · age 39
Apr 2001 · age 39
Activity
22
games / yr avg. · ≈2/mo
21 past 12 mo · ≈2/mo
classical only
Moderately active
classical only
Moderately active
Signature stat
#35,422
#35,422 · players worldwide · of 216,808
Career timeline
19 entries2025
Best 12-month gain (+67 Elo)
1904 → 1971
Oct 2025
28th Polish 60-65 player
at age 63 · rated 1971
Jun 2025
2018
32nd Polish 55-60 player
at age 56 · rated 2004
Oct 2018
2017
Inactive for 12 months
paused at 2004 → returned at 1997
Nov 2017
100 career games
at age 55
Aug 2017
2016
7-month rising streak
+27 Elo
Jul 2016
Standard rating history
Last 12 months — activity & highlights
Top opponent
Evolution
-15
1971 → 1956
Tournaments
4
21 games
Score
14.5/ 2169.0%
12W5D4L
Top 3 wins
Top 3 losses
Last 12 months — tournaments
4 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Round-Robin | Feb 2026 | 1/1 | #26 | 2577 | +5.2 |
Round-Robin | Jan 2026 | 2/2 | #1 | 2507 | +7.8 |
Open Swiss | Jan 2026 | 6/9 | #10 | 1908 | -7.4 |
Swiss | Oct 2025 | 5.5/9 | #11 | 1867 | -20.2 |
Rankings
/
Poland
#913
out of 10,756 players
Europe
#26,182
in continent
World
#35,422
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 |
| ... | ||
| 913 | 1,956 | |
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 |
| ... | ||
| 26182 | 1,956 | |
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 |
| ... | ||
| 35422 | 1,956 | |