Format
SL
Siennicki, Leon
🇵🇱FIDE 91169011· Male· Poland· Born in 2005
Follow Leon SiennickiTrack his monthly FIDE ratings, games, tournaments and more.
Leon Siennicki, a 21-year-old Polish player, is rated 1499 — his current career high. He returned to competition in March 2026. Recent appearance: XV Miedzynarodowy Turniej Szachowy GORA SW. ANNY - open "A" (otwarty). Also played 1 rapid event (including XXV Turniej szachow szybkich na Saskiej Kepie (FIDE)) recently.
Current rating
1499
Standard
Rpd—·Blz—
All-time high
1499
at best
Apr 2026 · age 21
Apr 2026 · age 21
Activity
46
games / yr avg. · ≈4/mo
19 past 12 mo · ≈2/mo
classical only
Active
classical only
Active
Signature stat
#186,134
#186,134 · players worldwide · of 218,279
Career timeline
6 entries2026
Best 12-month gain (+58 Elo)
1441 → 1499
Apr 2026
All-time peak 1499
at age 21
Apr 2026
Return after 17-month break
back at 1445
Mar 2026
2024
Crossed 1400
at age 19
Oct 2024
Crossed 1200
at age 19
Oct 2024
First FIDE rating
1441 · at age 19
Oct 2024
Standard rating history
Peak
FIDE title
Threshold
First rated
Inactive period
Activity & highlights
Top opponent
Evolution
+58
1441 → 1499
Tournaments
1
10 games
Score
3.5/ 1035.0%
2W3D5L
Top 3 wins
1.[W]vsJerzy Jasik1,495·XV Miedzynarodowy Turniej Szachowy GORA SW. ANNY - open "A" (otwarty)·R3·+22.9
2.[D]vsRobert Chojnowski1,637·XV Miedzynarodowy Turniej Szachowy GORA SW. ANNY - open "A" (otwarty)·R4·+10.0
3.[D]vsIgnacy Rozanski1,517·XV Miedzynarodowy Turniej Szachowy GORA SW. ANNY - open "A" (otwarty)·R2·+4.1
Top 3 losses
1.[L]vsJan Honka1,490·XV Miedzynarodowy Turniej Szachowy GORA SW. ANNY - open "A" (otwarty)·R10·-17.4
2.[L]vsGrzegorz Pawlak1,546·XV Miedzynarodowy Turniej Szachowy GORA SW. ANNY - open "A" (otwarty)·R6·-14.3
3.[L]vsLukasz Stawiski1,566·XV Miedzynarodowy Turniej Szachowy GORA SW. ANNY - open "A" (otwarty)·R5·-13.3
Last 12 months — tournaments
1 event| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Open Swiss | Feb 2026 | 3.5/10 | #26 | 1433 | 0.0 |
Rankings
/
Poland
#5,263
out of 10,822 players
Europe
#117,320
in continent
World
#186,075
out of 400,000+
National ranking
Europe & World
Europe
World
Poland
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| 5263 | 1,499 | |
Europe
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| 117320 | 1,499 | |
World
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| 186075 | 1,499 | |