Format
RL
Radziszewski, Leon
🇵🇱FIDE 41837134· Male· Poland· Born in 2014
Follow Leon RadziszewskiTrack his monthly FIDE ratings, games, tournaments and more.
Leon Radziszewski, a 12-year-old Polish player, is rated 1777. He is climbing fast, having gained +98 Elo over the past 12 months. 81 rated games in the past year (≈49/year long-term). Recent standard appearances include Druzynowe Mistrzostwa Polski Juniorow - II Liga 2026, Mistrzostwa Polski Juniorow - OOM Lodzkie 2026 - Grupa C12, and Wielkopolska III Liga Seniorow sezon 2025-2026 Round 7-9. Also played 7 rapid (including Mistrzostwa Polski w Szachach Szybkich 2025) and 3 blitz events (including 61st International Akiba Rubinstein Chess Festival - Blitz 3) recently. His peak of 1811 was reached at age 12 (Mar 2026).
At junior level, he reached #19 and #9 nationally in U12 and U10.
Current rating
1777
Standard
Rpd1722·Blz1669
All-time high
1811
−34 pts below
Mar 2026 · age 12
Mar 2026 · age 12
Activity
47
games / yr avg. · ≈4/mo
72 past 12 mo · ≈6/mo
classical only
Active
classical only
Active
Signature stat
#83,591
#83,591 · players worldwide · of 218,279
Career timeline
9 entries2026
100 career games
at age 12
Apr 2026
19th Polish U12 player
at age 12 · rated 1811
Mar 2026
Crossed 1800
at age 12
Mar 2026
All-time peak 1811
at age 12 · −34 from today
Mar 2026
2025
Re-crossed 1600
at age 11
Jun 2025
2024
9th Polish U10 player
at age 10 · rated 1733
Oct 2024
Standard rating history
Peak
FIDE title
Threshold
First rated
Activity & highlights
Top opponent
Best comeback
Wielkopolska III Liga Seniorow sezon 2025-2026 Round 4-5finished #2 (seeded #35 of 100)
Evolution
+116
1661 → 1777
Tournaments
12
75 games
Score
43/ 7557.3%
36W14D25L
Top 3 wins
3.[W]vsLukasz Mazurkiewicz1,759·61st International Akiba Rubinstein Chess Festival - OPEN D·R8·+25.6
Top 3 losses
Last 12 months — tournaments
11 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Team | May 2026 | 6.5/9 | #19 | 1806 | +35.2 |
Open Swiss | Apr 2026 | 3.5/9 | #43 | 1700 | -54.4 |
Team | Apr 2026 | 0/1 | #63 | 1141 | -12.8 |
Swiss | Mar 2026 | 3/5 | #14 | 1784 | -2.4 |
Open Swiss | Feb 2026 | 4.5/9 | #15 | 1772 | +13.2 |
Team | Feb 2026 | 1/1 | #14 | 2481 | +16.4 |
Team | Jan 2026 | 2/2 | #2 | 2483 | +38.0 |
Team | Jan 2026 | 2/3 | #18 | 1928 | +37.6 |
Open Swiss | Dec 2025 | 4/9 | #68 | 1710 | +4.0 |
Swiss | Sep 2025 | 6/7 | #2 | 1868 | +42.0 |
Worst Elo result: Mistrzostwa Polski Juniorow - OOM Lodzkie 2026 - Grupa C12 (-54.4 Elo, finished #43).
Most-Played Opponents
Rankings
/
Poland
#2,001
out of 10,822 players
Europe
#60,177
in continent
World
#83,589
out of 400,000+
National ranking
Europe & World
Europe
World
Poland
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| ... | ||
| 2001 | 1,777 | |
Europe
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| 2 | 🇩🇪Follow Vincent KeymerTrack their monthly FIDE ratings, games, tournaments and more. | 2,767 |
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| 5 | 🇵🇱Follow Jan-Krzysztof DudaTrack their monthly FIDE ratings, games, tournaments and more. | 2,739 |
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| ... | ||
| 60177 | 1,777 | |
World
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| 7 | 🇳🇱Follow Anish GiriTrack their monthly FIDE ratings, games, tournaments and more. | 2,764 |
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| ... | ||
| 83589 | 1,777 | |