Format
SG
Siennicki, Gustaw
🇵🇱FIDE 41823427· Male· Poland· Born in 2007
Follow Gustaw SiennickiTrack his monthly FIDE ratings, games, tournaments and more.
Gustaw Siennicki, a 19-year-old Polish player, is rated 1874. He has slipped back 117 Elo over the past 12 months. 71 rated games in the past year. Recent standard appearances include XXVI Ketrzynski Festiwal Szachowy - Open A, XI Turniej Mikolajkowy - grupa A1, and II Turniej o Puchar Twierdzy Mokotow. Also played 5 rapid (including Mistrzostwa Polski Juniorow w Szachach Szybkich 2025 - grupa C18) and 4 blitz events (including Mistrzostwa Polski w Szachach Blyskawicznych 2025) recently. His peak of 2060 was reached at age 18 (Jul 2025).
At junior level, he reached #44 and #96 nationally in U18 and U16.
Current rating
1874
Standard
Rpd1985·Blz2024
All-time high
2060
−186 pts below
Jul 2025 · age 18
Jul 2025 · age 18
Activity
91
games / yr avg. · ≈8/mo
71 past 12 mo · ≈6/mo
classical only
Very active
classical only
Very active
Signature stat
#54,768
#54,768 · players worldwide · of 216,808
Career timeline
12 entries2026
K-factor lowered to 20
at age 19
Jan 2026
2025
44th Polish U18 player
at age 18 · rated 2060
Jul 2025
All-time peak 2060
at age 18 · −186 from today
Jul 2025
Re-crossed 2000
at age 18
Jun 2025
Re-crossed 2000
at age 18
Apr 2025
2024
Crossed 2000
at age 17
Jun 2024
Standard rating history
Last 12 months — activity & highlights
Best result
V Bemowski Festiwal Szachowy, turniej o I kat. szachowa i k, OPEN,perf 2034 (+65) · 4/5 · #2
Top opponent
Evolution
-140
2014 → 1874
Tournaments
10
65 games
Score
32.5/ 6550.0%
28W9D28L
Top 3 wins
1.[W]vsGiga GoderdzishviliCM2,158·Warsaw Chess Festival - XXIV Miguel Najdorf Memorial -group A·R4·+26.3
3.[W]vsRyszard KasperekFM2,100·XXXV Miedzynarodowe Szachowe Mistrzostwa Malopolski - Grupa A·R4·+22.3
Top 3 losses
Last 12 months — tournaments
10 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Open Swiss | Dec 2025 | 5/9 | #15 | 1913 | -9.0 |
Round-Robin | Dec 2025 | 1.5/5 | #5 | 1919 | -14.8 |
Swiss | Nov 2025 | 2.5/5 | #20 | 1672 | -64.8 |
Swiss | Nov 2025 | 4.5/9 | #13 | 1963 | -4.8 |
Open Swiss | Aug 2025 | 0.5/4 | #104 | 1606 | -81.6 |
Worst Elo result: 61st International Akiba Rubinstein Chess Festival - INWEA DEVELOPMENT OPEN (-81.6 Elo, finished #104).
Rankings
/
Poland
#1,358
out of 10,756 players
Europe
#40,182
in continent
World
#54,768
out of 400,000+
National ranking
Europe & World
Europe
World
Poland
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| ... | ||
| 1358 | 1,874 | |
Europe
| 1 | 🇳🇴Follow Magnus CarlsenTrack their monthly FIDE ratings, games, tournaments and more. | 2,840 |
| 2 | 🇳🇱Follow Anish GiriTrack 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 |
| 6 | 🇳🇱Follow Jorden Van ForeestTrack their monthly FIDE ratings, games, tournaments and more. | 2,735 |
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| ... | ||
| 40182 | 1,874 | |
World
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| 6 | 🇳🇱Follow Anish GiriTrack their monthly FIDE ratings, games, tournaments and more. | 2,767 |
| 7 | 🇩🇪Follow Vincent KeymerTrack their monthly FIDE ratings, games, tournaments and more. | 2,759 |
| 7 | 🇫🇷Follow Alireza FirouzjaTrack their monthly FIDE ratings, games, tournaments and more. | 2,759 |
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| ... | ||
| 54768 | 1,874 | |