Format
OB
Ossowski, Boleslaw
🇵🇱FIDE 1142038· Male· Poland· Born in 1938
Follow Boleslaw OssowskiTrack his monthly FIDE ratings, games, tournaments and more.
Boleslaw Ossowski, a 88-year-old Polish player, is rated 1623. He has held steady between 1600 and 1650 for 18 months. 18 rated games in the past year (≈14/year long-term). Recent standard appearances include Otwarte Mistrzostwa Starogardu w szachach klasycznych 2025 Round 8-9, Otwarte Mistrzostwa Starogardu w szachach klasycznych 2025 Round 4-7, and Otwarte Mistrzostwa Starogardu w szachach klasycznych 2025 Round 3. He took a 16-month break between Jan 2018 and Jun 2019. His peak of 1857 was reached at age 68 (Jul 2006).
Current rating
1623
Standard
Rpd1610·Blz1714
All-time high
1857
−234 pts below
Jul 2006 · age 68
Jul 2006 · age 68
Activity
16
games / yr avg. · ≈1/mo
17 past 12 mo · ≈1/mo
classical only
Moderately active
classical only
Moderately active
Signature stat
#138,253
#138,253 · players worldwide · of 218,279
Career timeline
12 entries2024
Best 12-month gain (+227 Elo)
1438 → 1665
Nov 2024
Re-crossed 1600
at age 86
Mar 2024
2020
26th Polish 80+ player
at age 82 · rated 1532
Aug 2020
2018
Inactive for 16 months
paused at 1574 → returned at 1554
Jan 2018
2014
36th Polish 75-80 player
at age 76 · rated 1635
Nov 2014
2010
100 career games
at age 72
Sep 2010
Standard rating history
Peak
FIDE title
Threshold
First rated
Inactive period
COVID-19
FIDE recal.
Activity & highlights
Top opponent
Evolution
+4
1619 → 1623
Tournaments
5
18 games
Score
7.5/ 1841.7%
5W5D8L
Top 3 wins
2.[W]vsEdmund Zielinski1,601·Otwarte Mistrzostwa Starogardu w szachach klasycznych 2025 Round 1-2·R2·+8.7
Top 3 losses
1.[L]vsTomasz Hajduk1,554·Otwarte Mistrzostwa Starogardu w szachach klasycznych 2025 Round 4-7·R5·-11.5
3.[L]vsAndrzej Szarmach1,727·Otwarte Mistrzostwa Starogardu w szachach klasycznych 2025 Round 4-7·R4·-6.7
Last 12 months — tournaments
5 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Round-Robin | Dec 2025 | 1.5/2 | #3 | 1975 | +15.8 |
Round-Robin | Nov 2025 | 0/4 | #10 | 889 | -35.2 |
Round-Robin | Oct 2025 | 0.5/1 | #4 | 1530 | -2.8 |
Round-Robin | Oct 2025 | 2/1 | #4 | 2401 | +9.0 |
Open Swiss | Aug 2025 | 3.5/9 | #64 | 1706 | +16.8 |
Worst Elo result: Otwarte Mistrzostwa Starogardu w szachach klasycznych 2025 Round 4-7 (-35.2 Elo, finished #10).
Most-Played Opponents
vsMarcin Ziolkowski
🇵🇱POL·1721
+0 −6 =2
8 games·last met Jan 2025
View head-to-head →
vsAndrzej Karcz
🇵🇱POL·1528
+1 −2 =3
6 games·last met Oct 2025
View head-to-head →
vsEdmund Zielinski
🇵🇱POL·1585
+4 −2 =0
6 games·last met Oct 2025
View head-to-head →
vsWaldemar Wrzos
🇵🇱POL·1722
+1 −1 =3
5 games·last met Nov 2025
View head-to-head →
vsTadeusz Panek
🇵🇱POL·1711
+2 −2 =1
5 games·last met Aug 2016
View head-to-head →
Rankings
/
Poland
#3,486
out of 10,822 players
Europe
#93,600
in continent
World
#138,245
out of 400,000+
National ranking
Europe & World
Europe
World
Poland
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| 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 |
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| 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 |
| ... | ||
| 3486 | 1,623 | |
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 |
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| 10 | 🇹🇷Follow Yagiz Kaan ErdogmusTrack their monthly FIDE ratings, games, tournaments and more. | 2,713 |
| ... | ||
| 93600 | 1,623 | |
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 |
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| 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 |
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| ... | ||
| 138245 | 1,623 | |