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Sieciechowicz, Marcin

IM🇵🇱

FIDEFIDE 1130170· Male· Poland· Born in 1992

Follow Marcin SieciechowiczTrack his monthly FIDE ratings, games, tournaments and more.

Marcin Sieciechowicz, a 34-year-old Polish International Master, is rated 2386 and sitting in the top 1% of Polish players, and in the top 1% worldwide. He has fluctuated between 2383 and 2424 over the past 2 years. 67 rated games in the past year (≈65/year long-term). Recent standard appearances include European Individual Chess Championship 2026, CIS 2026 - Serie A1 Girone 6, and Polfinal Indywidualnych Mistrzostw Polski 2025. Also played 18 rapid (including Zamosc Chess Cup 2025) and 10 blitz events (including Druzynowe Mistrzostwa Polski w Szachach Blyskawicznych 2025) recently. His peak of 2462 was reached at age 21 (Jun 2013); he also reached Polish #37 in Mar 2011.

Awarded IM in 2010 (age 18). Earned a GM norm at XXI Intl Chess Festival CRACOVIA2010 2010. At junior level, he reached World #42 in U20, World #32 in U18, World #56 in U16, World #60 in U14 and World #73 in U12.

Current rating

2386

Standard

Rpd2343·Blz2321

All-time high

2462

−76 pts below
Jun 2013 · age 21

Activity

74

games / yr avg. · ≈6/mo

67 past 12 mo · ≈6/mo
classical only
Active

Signature stat

Top 1%

#75 · Polish players · of 6,282

Career timeline

22 entries
2025
Re-crossed 2400
at age 33
Oct 2025
2024
Re-crossed 2400
at age 32
Mar 2024
2023
Re-crossed 2400
at age 31
Nov 2023
2022
Re-crossed 2400
at age 30
Oct 2022
2019
1,000 career games
at age 27
Mar 2019
2018
Re-crossed 2400
at age 26
Jan 2018

Standard rating history

Activity & highlights

Top opponent
vs Peter AcsGM 2,573
European Individual Chess Championship 2026 · Apr 2026 · +2.5 Elo
Evolution
-27
2413 → 2386
Tournaments
7
63 games
Score
36.5/ 6357.9%
27W27D9L

Last 12 months — tournaments

3 events
EventDateScoreRankPerfΔ Elo
European Individual Chess Championship 2026
Open Swiss
Apr 20265.5/10#2322385+2.6
CIS 2026 - Serie A1 Girone 6
Team
Mar 20261.5/5#182213-11.5
Polfinal Indywidualnych Mistrzostw Polski 2025
Open Swiss
Nov 20255.5/9#82329-7.5

Most-Played Opponents

vsKrzysztof ChojnackiIM
🇵🇱POL·2263
+8 −7 =15
30 games·last met May 2026
View head-to-head →
vsJacek TomczakGM
🇵🇱POL·2545
+2 −11 =11
24 games·last met Oct 2025
View head-to-head →
vsLukasz LicznerskiIM
🇵🇱POL·2500
+2 −11 =6
19 games·last met May 2026
View head-to-head →
vsDawid NiekrasFM
🇵🇱POL·2373
+8 −2 =9
19 games·last met Nov 2025
View head-to-head →
vsMarek ZakrzewskiFM
🇵🇱POL·2288
+5 −7 =6
18 games·last met Nov 2025
View head-to-head →

Rankings

/
Poland
#75
out of 10,756 players
Europe
#1,223
in continent
World
#1,926
out of 400,000+

National ranking

Europe & World

Europe
World
Poland
1
🇵🇱Duda, Jan-KrzysztofFollow Jan-Krzysztof DudaTrack their monthly FIDE ratings, games, tournaments and more.
2,739
2
🇵🇱Wojtaszek, RadoslawFollow Radoslaw WojtaszekTrack their monthly FIDE ratings, games, tournaments and more.
2,650
3
🇵🇱Gumularz, SzymonFollow Szymon GumularzTrack their monthly FIDE ratings, games, tournaments and more.
2,613
4
🇵🇱Teclaf, PawelFollow Pawel TeclafTrack their monthly FIDE ratings, games, tournaments and more.
2,573
5
🇵🇱Malek, JanFollow Jan MalekTrack their monthly FIDE ratings, games, tournaments and more.
2,560
6
🇵🇱Warakomski, TomaszFollow Tomasz WarakomskiTrack their monthly FIDE ratings, games, tournaments and more.
2,558
7
🇵🇱Socko, BartoszFollow Bartosz SockoTrack their monthly FIDE ratings, games, tournaments and more.
2,552
8
🇵🇱Kosakowski, JakubFollow Jakub KosakowskiTrack their monthly FIDE ratings, games, tournaments and more.
2,550
9
🇵🇱Seemann, JakubFollow Jakub SeemannTrack their monthly FIDE ratings, games, tournaments and more.
2,548
10
🇵🇱Bartel, MateuszFollow Mateusz BartelTrack their monthly FIDE ratings, games, tournaments and more.
2,547
...
75🇵🇱Sieciechowicz, Marcin2,386
Europe
1
🇳🇴Carlsen, MagnusFollow Magnus CarlsenTrack their monthly FIDE ratings, games, tournaments and more.
2,840
2
🇳🇱Giri, AnishFollow Anish GiriTrack their monthly FIDE ratings, games, tournaments and more.
2,767
3
🇩🇪Keymer, VincentFollow Vincent KeymerTrack their monthly FIDE ratings, games, tournaments and more.
2,759
3
🇫🇷Firouzja, AlirezaFollow Alireza FirouzjaTrack their monthly FIDE ratings, games, tournaments and more.
2,759
5
🇵🇱Duda, Jan-KrzysztofFollow Jan-Krzysztof DudaTrack their monthly FIDE ratings, games, tournaments and more.
2,739
6
🇳🇱Van Foreest, JordenFollow Jorden Van ForeestTrack their monthly FIDE ratings, games, tournaments and more.
2,735
7
🇭🇺Rapport, RichardFollow Richard RapportTrack their monthly FIDE ratings, games, tournaments and more.
2,729
8
🇫🇷Vachier-Lagrave, MaximeFollow Maxime Vachier-LagraveTrack their monthly FIDE ratings, games, tournaments and more.
2,717
8
🇦🇿Mamedyarov, ShakhriyarFollow Shakhriyar MamedyarovTrack their monthly FIDE ratings, games, tournaments and more.
2,717
10
🇹🇷Erdogmus, Yagiz KaanFollow Yagiz Kaan ErdogmusTrack their monthly FIDE ratings, games, tournaments and more.
2,708
...
1223🇵🇱Sieciechowicz, Marcin2,386
World
1
🇳🇴Carlsen, MagnusFollow Magnus CarlsenTrack their monthly FIDE ratings, games, tournaments and more.
2,840
2
🇺🇸Nakamura, HikaruFollow Hikaru NakamuraTrack their monthly FIDE ratings, games, tournaments and more.
2,792
3
🇺🇸Caruana, FabianoFollow Fabiano CaruanaTrack their monthly FIDE ratings, games, tournaments and more.
2,788
4
🇺🇿Abdusattorov, NodirbekFollow Nodirbek AbdusattorovTrack their monthly FIDE ratings, games, tournaments and more.
2,780
5
🇺🇿Sindarov, JavokhirFollow Javokhir SindarovTrack their monthly FIDE ratings, games, tournaments and more.
2,776
6
🇳🇱Giri, AnishFollow Anish GiriTrack their monthly FIDE ratings, games, tournaments and more.
2,767
7
🇩🇪Keymer, VincentFollow Vincent KeymerTrack their monthly FIDE ratings, games, tournaments and more.
2,759
7
🇫🇷Firouzja, AlirezaFollow Alireza FirouzjaTrack their monthly FIDE ratings, games, tournaments and more.
2,759
9
🇺🇸So, WesleyFollow Wesley SoTrack their monthly FIDE ratings, games, tournaments and more.
2,754
10
🇨🇳Wei, YiFollow Yi WeiTrack their monthly FIDE ratings, games, tournaments and more.
2,753
...
1926🇵🇱Sieciechowicz, Marcin2,386