Format
CL
Chmielewski, Leon
🇵🇱FIDE 91159750· Male· Poland· Born in 2014
Follow Leon ChmielewskiTrack his monthly FIDE ratings, games, tournaments and more.
Leon Chmielewski, a 12-year-old Polish player, is rated 1509 — just 13 short of his peak of 1522 (Oct 2025, age 11). He is progressing steadily with +70 Elo over the past 12 months. 22 rated games in the past year (≈19/year long-term). Recent standard appearances include Miedzynarodowy Turniej Szachowy o korone Boleslawa Chrobrego - OPEN B., Eliminacje Strefowe 2025 ZP-WP C-11, and XXXII Festiwal Szachowy w Poznaniu - OPEN A.
Current rating
1509
Standard
Rpd1427·Blz1416
All-time high
1522
−13 pts below
Oct 2025 · age 11
Oct 2025 · age 11
Activity
18
games / yr avg. · ≈2/mo
22 past 12 mo · ≈2/mo
classical only
Moderately active
classical only
Moderately active
Signature stat
#182,282
#182,282 · players worldwide · of 218,279
Career timeline
6 entries2025
Best 12-month gain (+83 Elo)
1439 → 1522
Oct 2025
Crossed 1500
at age 11
Oct 2025
All-time peak 1522
at age 11 · −13 from today
Oct 2025
2024
Crossed 1400
at age 10
Jun 2024
Crossed 1200
at age 10
Jun 2024
First FIDE rating
1452 · at age 10
Jun 2024
Standard rating history
Peak
FIDE title
Threshold
First rated
Activity & highlights
Top opponent
Evolution
+45
1464 → 1509
Tournaments
4
28 games
Score
11.5/ 2841.1%
5W13D10L
Top 3 wins
Top 3 losses
Last 12 months — tournaments
4 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Open Swiss | Nov 2025 | 2.5/1 | #52 | 2557 | -10.0 |
Swiss | Sep 2025 | 4.5/6 | #7 | 1761 | +32.8 |
Open Swiss | Aug 2025 | 3/9 | #110 | 1546 | +26.4 |
Swiss | Aug 2025 | 1.5/5 | #19 | 1455 | -4.4 |
Rankings
/
Poland
#5,120
out of 10,822 players
Europe
#115,604
in continent
World
#182,235
out of 400,000+
National ranking
Europe & World
Europe
World
Poland
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| 10 | 🇵🇱Follow Mateusz BartelTrack their monthly FIDE ratings, games, tournaments and more. | 2,547 |
| ... | ||
| 5120 | 1,509 | |
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 |
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| 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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| ... | ||
| 115604 | 1,509 | |
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 |
| ... | ||
| 182235 | 1,509 | |