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 1896. He has slipped back 118 Elo over the past 12 months. 76 rated games in the past year (≈71/year long-term). Recent standard appearances include Droga do Mistrzostwa - FIDE Open - May 2026, XXVI Ketrzynski Festiwal Szachowy - Open A, and XI Turniej Mikolajkowy - grupa A1. Also played 4 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
1896
Standard
Rpd1985·Blz2024
All-time high
2060
−164 pts below
Jul 2025 · age 18
Jul 2025 · age 18
Activity
90
games / yr avg. · ≈8/mo
69 past 12 mo · ≈6/mo
classical only
Very active
classical only
Very active
Signature stat
#49,097
#49,097 · players worldwide · of 218,279
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 · −164 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
Peak
FIDE title
Threshold
First rated
FIDE recal.
Activity & highlights
Top opponent
Evolution
-164
2060 → 1896
Tournaments
10
72 games
Score
31.5/ 7243.8%
31W12D29L
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 | May 2026 | 4/5 | #3 | 2052 | +22.2 |
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 |
Swiss | Aug 2025 | 4/5 | #2 | 2034 | +6.0 |
Open Swiss | Jul 2025 | 5/8 | #12 | 2057 | +17.2 |
Open Swiss | Jul 2025 | 2.5/9 | #87 | 1993 | -32.8 |
Swiss | Jun 2025 | 2/6 | #39 | 2050 | +8.4 |
Worst Elo result: 61st International Akiba Rubinstein Chess Festival - INWEA DEVELOPMENT OPEN (-81.6 Elo, finished #104).
Most-Played Opponents
vsDawid Mazan
🇵🇱POL·1782
+11 −4 =1
16 games·last met Dec 2024
View head-to-head →
vsAdam Bajno
🇵🇱POL·1850
+9 −1 =0
10 games·last met Nov 2025
View head-to-head →
vsJoachim Borowicz
🇵🇱POL·1842
+3 −5 =2
10 games·last met Jul 2025
View head-to-head →
vsKamil Celinski
🇵🇱POL·1971
+1 −7 =1
9 games·last met Dec 2025
View head-to-head →
vsZbigniew Stefaniuk
🇵🇱POL·1823
+5 −2 =2
9 games·last met Jun 2025
View head-to-head →
Rankings
/
Poland
#1,248
out of 10,822 players
Europe
#36,170
in continent
World
#49,096
out of 400,000+
National ranking
Europe & World
Europe
World
Poland
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| ... | ||
| 1248 | 1,896 | |
Europe
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| 36170 | 1,896 | |
World
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| ... | ||
| 49096 | 1,896 | |