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 (≈36/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
34
games / yr avg. · ≈3/mo
31 past 12 mo · ≈3/mo
classical only
Active
classical only
Active
Signature stat
#134,042
#134,042 · players worldwide · of 216,808
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
Last 12 months — 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
—
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 |
Worst Elo result: Eliminacje Strefowe do Mistrzostw Polski Juniorow i Mlodzikow DS LB 2025 - Grupa D-11 (-49.2 Elo, finished #10).
Rankings
/
Poland
#3,336
out of 10,756 players
Europe
#91,221
in continent
World
#134,034
out of 400,000+
National ranking
Europe & World
Europe
World
Poland
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| ... | ||
| 3336 | 1,633 | |
Europe
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| 5 | 🇵🇱Follow Jan-Krzysztof DudaTrack their monthly FIDE ratings, games, tournaments and more. | 2,739 |
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| 91221 | 1,633 | |
World
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| ... | ||
| 134034 | 1,633 | |