Format
SK
Sieniawski, Karol
🇵🇱FIDE 21092192· Male· Poland· Born in 2014
Follow Karol SieniawskiTrack his monthly FIDE ratings, games, tournaments and more.
Karol Sieniawski, a 12-year-old Polish player, is rated 1707. He is on a breakout run, having gained +226 Elo over the past 12 months. 60 rated games in the past year (≈21/year long-term). Recent standard appearances include Druzynowe Mistrzostwa Polski Juniorow - II Liga 2026, Mistrzostwa Polski Juniorow - OOM Lodzkie 2026 - Grupa C12, and Druzynowe Mistrzostwa Slaska Juniorow - I Liga 2026 Round 6-9. Also played 5 rapid (including VI Miedzynarodowy Memorial Szachowy Alfreda Chrobaka) and 2 blitz events (including XX Turniej Szachowy o Puchar Burmistrza Pszczyny szachy blyskawiczne) recently. His peak of 1748 was reached at age 12 (May 2026).
At junior level, he reached #38 and #34 nationally in U12 and U10.
Current rating
1707
Standard
Rpd1722·Blz1593
All-time high
1748
−41 pts below
May 2026 · age 12
May 2026 · age 12
Activity
28
games / yr avg. · ≈2/mo
57 past 12 mo · ≈5/mo
classical only
Moderately active
classical only
Moderately active
Signature stat
#107,429
#107,429 · players worldwide · of 218,279
Career timeline
10 entries2026
38th Polish U12 player
at age 12 · rated 1748
May 2026
All-time peak 1748
at age 12 · −41 from today
May 2026
2025
Crossed 1600
at age 11
Dec 2025
Re-crossed 1500
at age 11
Oct 2025
Re-crossed 1500
at age 11
Jul 2025
2024
Best 12-month gain (+402 Elo)
1161 → 1563
Nov 2024
Standard rating history
Peak
FIDE title
Threshold
First rated
FIDE recal.
Activity & highlights
Best result
43 Miedzynarodowy Turniej Szachowy Rybnik 2025 - Grupa B do lat 11perf 2321 (+665) · 5.5/5 · #6
Top opponent
Evolution
+203
1504 → 1707
Tournaments
9
57 games
Score
35/ 5761.4%
30W10D17L
Top 3 wins
Top 3 losses
3.[L]vsJan Klimanek1,497·43 Miedzynarodowy Turniej Szachowy Rybnik 2025 - Grupa B do lat 11·R3·-28.6
Last 12 months — tournaments
9 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Team | May 2026 | 5/9 | #60 | 1646 | -41.2 |
Open Swiss | Apr 2026 | 5/9 | #21 | 1802 | +54.0 |
Open Swiss | Mar 2026 | 3/3 | #36 | 2305 | -8.0 |
Swiss | Mar 2026 | 2.5/4 | #3 | 1686 | +10.0 |
Swiss | Feb 2026 | 3.5/5 | #2 | 1773 | +33.2 |
Open Swiss | Jan 2026 | 2.5/5 | #24 | 1579 | -24.4 |
Open Swiss | Dec 2025 | 5.5/5 | #6 | 2321 | +12.4 |
Team | Nov 2025 | 2/4 | #23 | 1783 | +48.0 |
Swiss | Nov 2025 | 6/8 | #11 | 1868 | +105.6 |
Most-Played Opponents
vsPavlo Feseniuk
🇦🇹AUT·1753
+3 −9 =0
12 games·last met Sep 2024
View head-to-head →
vsOskar Ciupek
🇵🇱POL·1809
+3 −5 =2
10 games·last met Sep 2025
View head-to-head →
vsAleksander Cichocki
🇵🇱POL·1780
+4 −2 =3
9 games·last met Apr 2026
View head-to-head →
vsLeon Lewinski
🇵🇱POL·1627
+5 −0 =3
8 games·last met May 2026
View head-to-head →
vsNikodem Cieslar
🇵🇱POL·1793
+2 −6 =0
8 games·last met Sep 2025
View head-to-head →
Rankings
/
Poland
#2,574
out of 10,822 players
Europe
#75,609
in continent
World
#107,426
out of 400,000+
National ranking
Europe & World
Europe
World
Poland
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Europe
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World
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