Format
KJ
Kaczmarczyk, Jakub
🇵🇱FIDE 1154184· Male· Poland· Born in 1992
Follow Jakub KaczmarczykTrack his monthly FIDE ratings, games, tournaments and more.
Jakub Kaczmarczyk, a 34-year-old Polish player, is rated 1778. He has fluctuated between 1778 and 1837 over the past 2 years. 50 rated games in the past year (≈11/year long-term). Recent standard appearances include Turniej Szachowy KSz Bialo-Czarni Bolszewo - Grupa A, Druzynowe Mistrzostwa Wojewodztwa Pomorskiego Seniorow - IV Liga 2026 Round 7-8, and Druzynowe Mistrzostwa Wojewodztwa Pomorskiego Seniorow - IV Liga 2026 Round 5-6. Also played 4 rapid events (including Mistrzostwa Polski w Szachach Szybkich 2025) recently. He had 3 career breaks: 13 months (2010–2011), 13 months (2013–2014) and 101 months (2017–2025). His peak of 1837 was reached at age 33 (Oct 2025).
Current rating
1778
Standard
Rpd1765·Blz1891
All-time high
1837
−59 pts below
Oct 2025 · age 33
Oct 2025 · age 33
Activity
17
games / yr avg. · ≈1/mo
50 past 12 mo · ≈4/mo
classical only
Moderately active
classical only
Moderately active
Signature stat
#83,275
#83,275 · players worldwide · of 218,279
Career timeline
10 entries2025
All-time peak 1837
at age 33 · −59 from today
Oct 2025
2024
Crossed 1800
at age 32
Mar 2024
2017
Inactive for 101 months
paused at 1678 → returned at 1837
Apr 2017
2015
100 career games
at age 23
Sep 2015
Best 12-month gain (+117 Elo)
1503 → 1620
Apr 2015
Crossed 1600
at age 23
Mar 2015
Standard rating history
Peak
FIDE title
Threshold
First rated
Inactive period
COVID-19
FIDE recal.
Activity & highlights
Top opponent
Evolution
-29
1807 → 1778
Tournaments
11
53 games
Score
29/ 5354.7%
20W18D15L
Top 3 wins
Top 3 losses
Last 12 months — tournaments
11 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Swiss | May 2026 | 2.5/5 | #6 | 1670 | -13.4 |
Team | May 2026 | 1/1 | #20 | 2712 | +13.6 |
Team | Apr 2026 | 1/2 | #36 | 1702 | -3.4 |
Team | Mar 2026 | 0/2 | #68 | 1138 | -12.6 |
Swiss | Mar 2026 | 5/4 | #3 | 2393 | -3.8 |
Swiss | Feb 2026 | 3/5 | #4 | 1788 | -2.2 |
Team | Feb 2026 | 1/2 | #40 | 1647 | -8.4 |
Open Swiss | Jan 2026 | 5/9 | #18 | 1778 | -10.8 |
Team | Jan 2026 | 1/2 | #24 | 1726 | -4.8 |
Swiss | Oct 2025 | 4.5/9 | #22 | 1781 | -13.0 |
Rankings
/
Poland
#1,992
out of 10,822 players
Europe
#59,971
in continent
World
#83,273
out of 400,000+
National ranking
Europe & World
Europe
World
Poland
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