Format
LK
Leszczewicz, Karol
🇵🇱FIDE 21004510· Male· Poland· Born in 2008
Follow Karol LeszczewiczTrack his monthly FIDE ratings, games, tournaments and more.
Karol Leszczewicz, a 18-year-old Polish player, is rated 1901. He is climbing fast, having gained +87 Elo over the past 12 months. 73 rated games in the past year (≈57/year long-term). Recent standard appearances include Int. Graz Open 2026 - A, Polfinal Indywidualnych Mistrzostw Polski 2025, and ORLEN Termika Indywidualne Mistrzostwa Polski do 20 lat w Szachach - OPEN. Also played 1 rapid (including Mistrzostwa Polski Juniorow w Szachach Szybkich 2025 - grupa C18) and 1 blitz events (including Mistrzostwa Polski Juniorow w Szachach Blyskawicznych 2025 - grupa C18) recently. His peak of 2064 was reached at age 17 (Sep 2025).
At junior level, he reached #51, #84, #60, #58 and #25 nationally in U18, U16, U14, U12 and U10.
Current rating
1901
Standard
Rpd1898·Blz1852
All-time high
2064
−163 pts below
Sep 2025 · age 17
Sep 2025 · age 17
Activity
82
games / yr avg. · ≈7/mo
73 past 12 mo · ≈6/mo
classical only
Very active
classical only
Very active
Signature stat
#47,868
#47,868 · players worldwide · of 218,279
Career timeline
14 entries2025
51st Polish U18 player
at age 17 · rated 2064
Sep 2025
Crossed 2000
at age 17
Sep 2025
All-time peak 2064
at age 17 · −163 from today
Sep 2025
Re-crossed 1800
at age 17
Mar 2025
2024
84th Polish U16 player
at age 16 · rated 1865
Dec 2024
Best 12-month gain (+432 Elo)
1415 → 1847
Oct 2024
Standard rating history
Peak
FIDE title
Threshold
First rated
Inactive period
COVID-19
FIDE recal.
Activity & highlights
Top opponent
Evolution
-14
1915 → 1901
Tournaments
8
71 games
Score
34.5/ 7148.6%
23W23D25L
Top 3 wins
3.[W]vsBorys Witczak2,101·61st International Akiba Rubinstein Chess Festival - INWEA DEVELOPMENT OPEN·R1·+22.1
Top 3 losses
1.[L]vsKamil Jasiulewicz1,706·ORLEN Termika Indywidualne Mistrzostwa Polski do 20 lat w Szachach - OPEN·R7·-31.0
2.[L]vsJan Businski1,851·ORLEN Termika Indywidualne Mistrzostwa Polski do 20 lat w Szachach - OPEN·R5·-24.0
Last 12 months — tournaments
8 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Open Swiss | Feb 2026 | 1/8 | #271 | 1731 | -84.8 |
Open Swiss | Nov 2025 | 4.5/9 | #30 | 2067 | +64.0 |
Open Swiss | Oct 2025 | 4.5/8 | #23 | 1903 | -67.2 |
Open Swiss | Sep 2025 | 2/9 | #115 | 1899 | -76.4 |
Open Swiss | Aug 2025 | 4/9 | #58 | 2071 | +57.0 |
Open Swiss | Jul 2025 | 6.5/9 | #15 | 2064 | +68.8 |
Open Swiss | Jun 2025 | 5.5/9 | #22 | 1858 | +24.4 |
Team | Jun 2025 | 6.5/9 | #14 | 1916 | +50.4 |
Most-Played Opponents
Rankings
/
Poland
#1,220
out of 10,822 players
Europe
#35,282
in continent
World
#47,867
out of 400,000+
National ranking
Europe & World
Europe
World
Poland
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| 2 | 🇵🇱Follow Radoslaw WojtaszekTrack their monthly FIDE ratings, games, tournaments and more. | 2,650 |
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| 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 |
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| 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 |
| ... | ||
| 1220 | 1,901 | |
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 |
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| ... | ||
| 35282 | 1,901 | |
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 |
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| 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 |
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| ... | ||
| 47867 | 1,901 | |