Format
LK
Lesiak, Katarzyna
🇵🇱FIDE 41850203· Female· Poland· Born in 2014
Follow Katarzyna LesiakTrack her monthly FIDE ratings, games, tournaments and more.
Katarzyna Lesiak, a 12-year-old Polish player, is rated 1633 — her current career high. She is on a breakout run, having gained +183 Elo over the past 12 months. 31 rated games in the past year (≈34/year long-term). Recent standard appearances include Dolnoslaskie Ligi Okregowe 2025-2026 - Gr. Wroclaw r 10-11, Dolnoslaskie Ligi Okregowe 2025-2026 - Gr. Wroclaw r. 6-9, and XXXVI Miedzynarodowy Festiwal Szachowy CRACOVIA 2025 Grupa G U12. Also played 2 rapid events (including Druzynowe Mistrzostwa Dolnego Slaska Juniorow w Szachach Szybkich 2025) recently.
At junior level, she reached #85 and #37 nationally in U12 and U10.
Current rating
1633
Standard
Rpd1526·Blz1472
All-time high
1633
at best
May 2026 · age 12
May 2026 · age 12
Activity
33
games / yr avg. · ≈3/mo
31 past 12 mo · ≈3/mo
classical only
Active
classical only
Active
Signature stat
#134,568
#134,568 · players worldwide · of 218,279
Career timeline
10 entries2026
85th Polish U12 player
at age 12 · rated 1633
May 2026
Best 12-month gain (+183 Elo)
1450 → 1633
May 2026
Crossed 1600
at age 12
May 2026
All-time peak 1633
at age 12
May 2026
Re-crossed 1500
at age 12
Jan 2026
2025
Re-crossed 1500
at age 11
Sep 2025
Standard rating history
Peak
FIDE title
Threshold
First rated
Activity & highlights
Best result
Eliminacje Strefowe do Mistrzostw Polski Juniorow i Mlodzikow DS LB 2025 - Grupa D-11perf 1640 (+236) · 4/6 · #10
Top opponent
Evolution
+233
1400 → 1633
Tournaments
7
39 games
Score
20/ 3951.3%
18W4D17L
Top 3 wins
Top 3 losses
2.[L]vsOleksandr Ivanchyshyn1,527·XXXVI Miedzynarodowy Festiwal Szachowy CRACOVIA 2025 Grupa G U12·R5·-19.4
Last 12 months — tournaments
7 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Team | Feb 2026 | 2/1 | #15 | 2266 | +11.6 |
Team | Jan 2026 | 1/1 | #67 | 2232 | +10.8 |
Open Swiss | Dec 2025 | 4/7 | #13 | 1628 | +22.8 |
Team | Nov 2025 | 1/1 | #20 | 2381 | +20.4 |
Swiss | Nov 2025 | 4.5/6 | #7 | 1490 | 0.0 |
Round-Robin | Sep 2025 | 4/6 | #10 | 1640 | -49.2 |
Open Swiss | Aug 2025 | 3.5/9 | #71 | 1477 | +30.8 |
Worst Elo result: Eliminacje Strefowe do Mistrzostw Polski Juniorow i Mlodzikow DS LB 2025 - Grupa D-11 (-49.2 Elo, finished #10).
Rankings
/
Poland
#3,378
out of 10,822 players
Europe
#91,520
in continent
World
#134,560
out of 400,000+
National ranking
Europe & World
Europe
World
Poland
| 1 | 🇵🇱Follow Jan-Krzysztof DudaTrack their monthly FIDE ratings, games, tournaments and more. | 2,739 |
| 2 | 🇵🇱Follow Radoslaw WojtaszekTrack their monthly FIDE ratings, games, tournaments and more. | 2,650 |
| 3 | 🇵🇱Follow Szymon GumularzTrack their monthly FIDE ratings, games, tournaments and more. | 2,613 |
| 4 | 🇵🇱Follow Pawel TeclafTrack their monthly FIDE ratings, games, tournaments and more. | 2,571 |
| 5 | 🇵🇱Follow Jan MalekTrack their monthly FIDE ratings, games, tournaments and more. | 2,560 |
| 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 |
| 8 | 🇵🇱Follow Jakub KosakowskiTrack their monthly FIDE ratings, games, tournaments and more. | 2,549 |
| 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 |
| ... | ||
| 3378 | 1,633 | |
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 |
| 9 | 🇦🇿Follow Shakhriyar MamedyarovTrack their monthly FIDE ratings, games, tournaments and more. | 2,717 |
| 10 | 🇹🇷Follow Yagiz Kaan ErdogmusTrack their monthly FIDE ratings, games, tournaments and more. | 2,713 |
| ... | ||
| 91520 | 1,633 | |
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 |
| 2 | 🇺🇸Follow Fabiano CaruanaTrack their monthly FIDE ratings, games, tournaments and more. | 2,792 |
| 4 | 🇺🇿Follow Nodirbek AbdusattorovTrack their monthly FIDE ratings, games, tournaments and more. | 2,777 |
| 4 | 🇺🇿Follow Javokhir SindarovTrack their monthly FIDE ratings, games, tournaments and more. | 2,777 |
| 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 |
| 9 | 🇨🇳Follow Yi WeiTrack their monthly FIDE ratings, games, tournaments and more. | 2,753 |
| ... | ||
| 134560 | 1,633 | |