IMMarcin Sieciechowicz
PolandBorn 1992FIDE ID 1130170
Marcin Sieciechowicz is an international master from Poland. On FIDE's November 2026 list Marcin Sieciechowicz is ranked #1938 in the world in classical chess with a rating of 2387.
Classical
2387
World #1938 +9
Rapid
2346
World #1718 +2
Blitz
2331
World #1825 −5
#81 in Poland2403 12-month high (October 2025)FIDE list: November 2026
Rating history
ClassicalRapidBlitz
Results in broadcast events
Games 9Score 56%Performance 2451Avg. opponent 2413White +2 =3 −0Black +0 =3 −1
DDDDDWLWD
| Result | Opponent | Rtg |
|---|---|---|
| D | GMAdam Kozak | 2529 |
| D | IMSahib Singh | 2374 |
| D | FMNimay Agrawal | 2312 |
| D | IMApoorv Kamble | 2454 |
| D | GMValeriy Aveskulov | 2447 |
| W | CMNikolai A. Grebennikov | 2205 |
| L | IMYevgeniy Roshka | 2497 |
| W | FMEyal Noy | 2336 |
| D | GMLi Min Peng | 2560 |
Openings as White
- Queen's Pawn Game1 game, 50%
- Zukertort Opening1 game, 50%
- Queen's Gambit Declined1 game, 100%
- Queen's Indian Defense1 game, 100%
Openings as Black
- Sicilian Defense2 games, 50%
- Ruy Lopez1 game, 50%
- Catalan Opening1 game, 0%
Results come from tournaments broadcast on ChessTerra events, not a full career record.
Match odds
Ratings and ranks from FIDE's official November 2026 list, updated on the 1st of each month.