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Posselt, Mateusz
🇵🇱FIDE 21830070· Male· Poland· Born in 2002
Follow Mateusz PosseltTrack his monthly FIDE ratings, games, tournaments and more.
Mateusz Posselt, a 24-year-old Polish player, is rated 1581. He has fluctuated between 1482 and 1661 over the past 2 years. 23 rated games in the past year (≈5/year long-term). Recent standard appearances include Torunski Feryjny Festiwal Szachowy - Grupa B, Druzynowe Mistrzostwa Regionu KPZSzach 2025-2026 - IV LIGA Round 7-9, and Druzynowe Mistrzostwa Regionu KPZSzach 2025-2026 - IV LIGA Round 4-6. Also played 1 rapid (including XXX Turniej Szachowy z okazji Swieta Niepodleglosci.) and 1 blitz events (including V Turniej "Szachy pod Chmurka") recently. He took a 58-month break between Feb 2019 and Jan 2024 (COVID-19 included). His peak of 1661 was reached at age 23 (Aug 2025).
Current rating
1581
Standard
Rpd1590·Blz1646
All-time high
1661
−80 pts below
Aug 2025 · age 23
Aug 2025 · age 23
Activity
10
games / yr avg. · ≈1/mo
23 past 12 mo · ≈2/mo
classical only
Moderately active
classical only
Moderately active
Signature stat
#153,636
#153,636 · players worldwide · of 216,808
Career timeline
9 entries2025
K-factor lowered to 20
at age 23
Dec 2025
All-time peak 1661
at age 23 · −80 from today
Aug 2025
K-factor lowered to 20
at age 23
Aug 2025
Crossed 1600
at age 23
Jul 2025
Crossed 1500
at age 23
May 2025
2024
Best 12-month gain (+370 Elo)
1123 → 1493
Mar 2024
Standard rating history
Last 12 months — activity & highlights
Top opponent
Evolution
+38
1543 → 1581
Tournaments
7
31 games
Score
19.5/ 3162.9%
19W1D11L
Top 3 wins
1.[W]vsMichal Turek1,556·I Otwarte Mistrzostwa Inowroclawia w Szachach Klasycznych - OPEN B·R6·+15.4
2.[W]vsPawel Pocwiardowski1,553·I Otwarte Mistrzostwa Inowroclawia w Szachach Klasycznych - OPEN B·R4·+15.2
3.[W]vsKevin Zajaczkowski1,534·I Otwarte Mistrzostwa Inowroclawia w Szachach Klasycznych - OPEN B·R5·+14.2
Top 3 losses
Last 12 months — tournaments
7 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Swiss | Feb 2026 | 3/5 | #11 | 1521 | -32.0 |
Team | Jan 2026 | 2/1 | #55 | 2291 | +6.2 |
Team | Dec 2025 | 1/2 | #51 | 1554 | -2.8 |
Team | Nov 2025 | 1/3 | #39 | 1533 | -7.0 |
Open Swiss | Aug 2025 | 1/1 | #60 | 2241 | -30.8 |
Rankings
/
Poland
#4,026
out of 10,756 players
Europe
#101,773
in continent
World
#153,620
out of 400,000+
National ranking
Europe & World
Europe
World
Poland
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Europe
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World
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