Format
SM
Sieciechowicz, Marcin
IM🇵🇱FIDE 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 9 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
Rpd2332·Blz2326
All-time high
2462
−76 pts below
Jun 2013 · age 21
Jun 2013 · age 21
Activity
76
games / yr avg. · ≈6/mo
56 past 12 mo · ≈5/mo
classical only
Active
classical only
Active
Signature stat
Top 1%
#81 · Polish players · of 6,347
Career timeline
22 entries2025
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
Peak
FIDE title
Threshold
First rated
COVID-19
Activity & highlights
Evolution
-16
2402 → 2386
Tournaments
7
54 games
Score
35.5/ 5465.7%
24W23D7L
Top 3 wins
Top 3 losses
Last 12 months — tournaments
5 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Open Swiss | Jun 2026 | 6/7 | #1 | 2460 | +4.7 |
Swiss | May 2026 | 4/5 | #2 | 2368 | +0.3 |
Open Swiss | Apr 2026 | 5.5/10 | #232 | 2385 | +2.6 |
Team | Mar 2026 | 1.5/5 | #18 | 2213 | -11.5 |
Open Swiss | Nov 2025 | 5.5/9 | #8 | 2329 | -7.5 |
Hot streak: 3 tournaments without losing Elo.
Most-Played Opponents
vsKrzysztof ChojnackiIM
🇵🇱POL·2272
+8 −7 =15
30 games·last met May 2026
View head-to-head →
vsJacek TomczakGM
🇵🇱POL·2545
+2 −12 =12
26 games·last met Jun 2026
View head-to-head →
vsKarol KuczaFM
🇵🇱POL·2323
+7 −5 =7
19 games·last met May 2026
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 →
Rankings
/
Poland
#81
out of 10,822 players
Europe
#1,233
in continent
World
#1,927
out of 400,000+
National ranking
Europe & World
Europe
World
Poland
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| 2 | 🇵🇱Follow Radoslaw WojtaszekTrack their monthly FIDE ratings, games, tournaments and more. | 2,650 |
| 3 | 🇵🇱Follow Szymon GumularzTrack their monthly FIDE ratings, games, tournaments and more. | 2,613 |
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| 5 | 🇵🇱Follow Jan MalekTrack their monthly FIDE ratings, games, tournaments and more. | 2,560 |
| 6 | 🇵🇱Follow Tomasz WarakomskiTrack their monthly FIDE ratings, games, tournaments and more. | 2,558 |
| 7 | 🇵🇱Follow Bartosz SockoTrack their monthly FIDE ratings, games, tournaments and more. | 2,552 |
| 8 | 🇵🇱Follow Jakub KosakowskiTrack their monthly FIDE ratings, games, tournaments and more. | 2,549 |
| 9 | 🇵🇱Follow Jakub SeemannTrack their monthly FIDE ratings, games, tournaments and more. | 2,548 |
| 10 | 🇵🇱Follow Mateusz BartelTrack their monthly FIDE ratings, games, tournaments and more. | 2,547 |
| ... | ||
| 81 | 2,386 | |
Europe
| 1 | 🇳🇴Follow Magnus CarlsenTrack their monthly FIDE ratings, games, tournaments and more. | 2,841 |
| 2 | 🇩🇪Follow Vincent KeymerTrack their monthly FIDE ratings, games, tournaments and more. | 2,767 |
| 3 | 🇳🇱Follow Anish GiriTrack their monthly FIDE ratings, games, tournaments and more. | 2,764 |
| 4 | 🇫🇷Follow Alireza FirouzjaTrack their monthly FIDE ratings, games, tournaments and more. | 2,744 |
| 5 | 🇵🇱Follow Jan-Krzysztof DudaTrack their monthly FIDE ratings, games, tournaments and more. | 2,739 |
| 6 | 🇭🇺Follow Richard RapportTrack their monthly FIDE ratings, games, tournaments and more. | 2,729 |
| 7 | 🇳🇱Follow Jorden Van ForeestTrack their monthly FIDE ratings, games, tournaments and more. | 2,728 |
| 8 | 🇫🇷Follow Maxime Vachier-LagraveTrack their monthly FIDE ratings, games, tournaments and more. | 2,721 |
| 9 | 🇦🇿Follow Shakhriyar MamedyarovTrack their monthly FIDE ratings, games, tournaments and more. | 2,717 |
| 10 | 🇹🇷Follow Yagiz Kaan ErdogmusTrack their monthly FIDE ratings, games, tournaments and more. | 2,713 |
| ... | ||
| 1233 | 2,386 | |
World
| 1 | 🇳🇴Follow Magnus CarlsenTrack their monthly FIDE ratings, games, tournaments and more. | 2,841 |
| 2 | 🇺🇸Follow Hikaru NakamuraTrack their monthly FIDE ratings, games, tournaments and more. | 2,792 |
| 2 | 🇺🇸Follow Fabiano CaruanaTrack their monthly FIDE ratings, games, tournaments and more. | 2,792 |
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| 4 | 🇺🇿Follow Javokhir SindarovTrack their monthly FIDE ratings, games, tournaments and more. | 2,777 |
| 6 | 🇩🇪Follow Vincent KeymerTrack their monthly FIDE ratings, games, tournaments and more. | 2,767 |
| 7 | 🇳🇱Follow Anish GiriTrack their monthly FIDE ratings, games, tournaments and more. | 2,764 |
| 8 | 🇮🇳Follow Erigaisi ArjunTrack their monthly FIDE ratings, games, tournaments and more. | 2,761 |
| 9 | 🇺🇸Follow Wesley SoTrack their monthly FIDE ratings, games, tournaments and more. | 2,753 |
| 9 | 🇨🇳Follow Yi WeiTrack their monthly FIDE ratings, games, tournaments and more. | 2,753 |
| ... | ||
| 1927 | 2,386 | |