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Jaczynski, Kacper

🇵🇱

FIDEFIDE 21840067· Male· Poland· Born in 2008

Follow Kacper JaczynskiTrack his monthly FIDE ratings, games, tournaments and more.

Kacper Jaczynski, a 18-year-old Polish player, is rated 1648 — just 10 short of his peak of 1658 (Dec 2025, age 17). He has fluctuated between 1485 and 1658 over the past 2 years. 21 rated games in the past year (≈8/year long-term). Recent standard appearances include Druzynowe Mistrzostwa Mazowsza Juniorow - III LIGA, Otwarta Liga Warszawska 2026 Round 5-8, and Otwarta Liga Warszawska 2026 Round 3-4.

Current rating

1648

Standard

Rpd1454·Blz1551

All-time high

1658

−10 pts below
Dec 2025 · age 17

Activity

12

games / yr avg. · ≈1/mo

21 past 12 mo · ≈2/mo
classical only
Moderately active

Signature stat

#128,438

#128,438 · players worldwide · of 216,808

Career timeline

8 entries
2025
All-time peak 1658
at age 17 · −10 from today
Dec 2025
Crossed 1600
at age 17
Apr 2025
6-month rising streak
+171 Elo
Apr 2025
Best 12-month gain (+397 Elo)
1171 → 1568
Feb 2025
2024
Crossed 1500
at age 16
Dec 2024
Crossed 1400
at age 16
Mar 2024

Standard rating history

Last 12 months — activity & highlights

Best result
Druzynowe Mistrzostwa Mazowsza Juniorow - III LIGA
perf 1802 (+152) · 3/5 · #22
Top opponent
vs Franciszek Konieczny 1,851
Druzynowe Mistrzostwa Mazowsza Juniorow - III LIGA · Mar 2026 · +10.4 Elo
Evolution
-8
1656 → 1648
Tournaments
6
25 games
Score
10.5/ 2542.0%
7W7D11L

Last 12 months — tournaments

6 events
EventDateScoreRankPerfΔ Elo
Druzynowe Mistrzostwa Mazowsza Juniorow - III LIGA
Team
Mar 20263/5#221802+17.2
Otwarta Liga Warszawska 2026 Round 5-8
Open Swiss
Mar 20261.5/3#1911792-15.2
Otwarta Liga Warszawska 2026 Round 3-4
Open Swiss
Feb 20261.5/2#421792+15.6
Otwarta Liga Warszawska 2026 Round 1-2
Swiss
Feb 20260/2#1331108-15.2
Festiwal Szachowy WARS Turniej A
Swiss
Dec 20252/4#241769-12.4
Worst Elo result: Otwarta Liga Warszawska 2026 Round 5-8 (-15.2 Elo, finished #191).

Rankings

/
Poland
#3,160
out of 10,756 players
Europe
#88,111
in continent
World
#128,432
out of 400,000+

National ranking

Europe & World

Europe
World
Poland
1
🇵🇱Duda, Jan-KrzysztofFollow Jan-Krzysztof DudaTrack their monthly FIDE ratings, games, tournaments and more.
2,739
2
🇵🇱Wojtaszek, RadoslawFollow Radoslaw WojtaszekTrack their monthly FIDE ratings, games, tournaments and more.
2,650
3
🇵🇱Gumularz, SzymonFollow Szymon GumularzTrack their monthly FIDE ratings, games, tournaments and more.
2,613
4
🇵🇱Teclaf, PawelFollow Pawel TeclafTrack their monthly FIDE ratings, games, tournaments and more.
2,573
5
🇵🇱Malek, JanFollow Jan MalekTrack their monthly FIDE ratings, games, tournaments and more.
2,560
6
🇵🇱Warakomski, TomaszFollow Tomasz WarakomskiTrack their monthly FIDE ratings, games, tournaments and more.
2,558
7
🇵🇱Socko, BartoszFollow Bartosz SockoTrack their monthly FIDE ratings, games, tournaments and more.
2,552
8
🇵🇱Kosakowski, JakubFollow Jakub KosakowskiTrack their monthly FIDE ratings, games, tournaments and more.
2,550
9
🇵🇱Seemann, JakubFollow Jakub SeemannTrack their monthly FIDE ratings, games, tournaments and more.
2,548
10
🇵🇱Bartel, MateuszFollow Mateusz BartelTrack their monthly FIDE ratings, games, tournaments and more.
2,547
...
3160🇵🇱Jaczynski, Kacper1,648
Europe
1
🇳🇴Carlsen, MagnusFollow Magnus CarlsenTrack their monthly FIDE ratings, games, tournaments and more.
2,840
2
🇳🇱Giri, AnishFollow Anish GiriTrack their monthly FIDE ratings, games, tournaments and more.
2,767
3
🇩🇪Keymer, VincentFollow Vincent KeymerTrack their monthly FIDE ratings, games, tournaments and more.
2,759
3
🇫🇷Firouzja, AlirezaFollow Alireza FirouzjaTrack their monthly FIDE ratings, games, tournaments and more.
2,759
5
🇵🇱Duda, Jan-KrzysztofFollow Jan-Krzysztof DudaTrack their monthly FIDE ratings, games, tournaments and more.
2,739
6
🇳🇱Van Foreest, JordenFollow Jorden Van ForeestTrack their monthly FIDE ratings, games, tournaments and more.
2,735
7
🇭🇺Rapport, RichardFollow Richard RapportTrack their monthly FIDE ratings, games, tournaments and more.
2,729
8
🇫🇷Vachier-Lagrave, MaximeFollow Maxime Vachier-LagraveTrack their monthly FIDE ratings, games, tournaments and more.
2,717
8
🇦🇿Mamedyarov, ShakhriyarFollow Shakhriyar MamedyarovTrack their monthly FIDE ratings, games, tournaments and more.
2,717
10
🇹🇷Erdogmus, Yagiz KaanFollow Yagiz Kaan ErdogmusTrack their monthly FIDE ratings, games, tournaments and more.
2,708
...
88111🇵🇱Jaczynski, Kacper1,648
World
1
🇳🇴Carlsen, MagnusFollow Magnus CarlsenTrack their monthly FIDE ratings, games, tournaments and more.
2,840
2
🇺🇸Nakamura, HikaruFollow Hikaru NakamuraTrack their monthly FIDE ratings, games, tournaments and more.
2,792
3
🇺🇸Caruana, FabianoFollow Fabiano CaruanaTrack their monthly FIDE ratings, games, tournaments and more.
2,788
4
🇺🇿Abdusattorov, NodirbekFollow Nodirbek AbdusattorovTrack their monthly FIDE ratings, games, tournaments and more.
2,780
5
🇺🇿Sindarov, JavokhirFollow Javokhir SindarovTrack their monthly FIDE ratings, games, tournaments and more.
2,776
6
🇳🇱Giri, AnishFollow Anish GiriTrack their monthly FIDE ratings, games, tournaments and more.
2,767
7
🇩🇪Keymer, VincentFollow Vincent KeymerTrack their monthly FIDE ratings, games, tournaments and more.
2,759
7
🇫🇷Firouzja, AlirezaFollow Alireza FirouzjaTrack their monthly FIDE ratings, games, tournaments and more.
2,759
9
🇺🇸So, WesleyFollow Wesley SoTrack their monthly FIDE ratings, games, tournaments and more.
2,754
10
🇨🇳Wei, YiFollow Yi WeiTrack their monthly FIDE ratings, games, tournaments and more.
2,753
...
128432🇵🇱Jaczynski, Kacper1,648