Format
KJ
Kaczmarczyk, Jakub
🇵🇱FIDE 91193214· Male· Poland· Born in 2016
Follow Jakub KaczmarczykTrack his monthly FIDE ratings, games, tournaments and more.
Jakub Kaczmarczyk, a 10-year-old Polish player, is rated 1470. He has slipped back 67 Elo over the past 12 months. 12 rated games in the past year. Recent standard appearances include X Memorial Szachowy Lucjana Kowalczyka OPEN A, Otwarte Mistrzostwa Koszalina w szachach klasycznych 2026 - OPEN B, and Miedzywojewodzkie Mistrzostwa Mlodzikow ZP-WP 2025 Chlopcy. Also played 6 rapid (including Otwarte Mistrzostwa Pomorza Zachodniego w szachach szybkich 2025) and 1 blitz events (including Turniej Blyskawiczny SzachMistrz w ramach Programu Spolecznik) recently. His peak of 1537 was reached at age 9 (Oct 2025).
At junior level, he reached #75 nationally in U10.
Current rating
1470
Standard
Rpd1441·Blz—
All-time high
1537
−67 pts below
Oct 2025 · age 9
Oct 2025 · age 9
Activity
18
games / yr avg. · ≈2/mo
12 past 12 mo · ≈1/mo
classical only
Moderately active
classical only
Moderately active
Signature stat
#195,772
#195,772 · players worldwide · of 216,808
Career timeline
6 entries2026
75th Polish U10 player
at age 10 · rated 1519
Jan 2026
2025
Crossed 1500
at age 9
Oct 2025
Crossed 1400
at age 9
Oct 2025
Crossed 1200
at age 9
Oct 2025
All-time peak 1537
at age 9 · −67 from today
Oct 2025
First FIDE rating
1537 · at age 9
Oct 2025
Standard rating history
Last 12 months — activity & highlights
Evolution
-67
1537 → 1470
Tournaments
4
36 games
Score
11.5/ 3631.9%
12W6D18L
Top 3 wins
1.[W]vsAntoni Motyka1,462·Otwarte Mistrzostwa Koszalina w szachach klasycznych 2026 - OPEN B·R5·+19.6
Top 3 losses
2.[L]vsNikodem Domagalski1,424·Otwarte Mistrzostwa Koszalina w szachach klasycznych 2026 - OPEN B·R2·-22.6
Last 12 months — tournaments
4 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Swiss | Apr 2026 | 0/2 | #16 | 941 | -30.0 |
Swiss | Jan 2026 | 3/3 | #18 | 2294 | -25.2 |
Swiss | Sep 2025 | 4/2 | #13 | 1430 | 0.0 |
Swiss | Sep 2025 | 4.5/5 | #11 | 1458 | 0.0 |
Rankings
/
Poland
#5,584
out of 10,756 players
Europe
#121,025
in continent
World
#195,665
out of 400,000+
National ranking
Europe & World
Europe
World
Poland
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Europe
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| 121025 | 1,470 | |
World
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| 195665 | 1,470 | |