Marcin Sieciechowicz
Country
POL
Birth Year
1992
Gender
M
Title
International Master
FIDE ID
1130170
FIDE rating history
View rating lists
Available Games
Published games available in our archive; coverage varies by tournament. Archive last checked: 2026-10-06 (UTC).
| # | Date | Event | Site | Round | White | Black | Result | Moves | View |
|---|---|---|---|---|---|---|---|---|---|
| 51 | 2026-06-26 | Jana Maciei Mem 2026 | Warsaw POL | 9.4 | Sieciechowicz,M | Kazakouski,Valery | 1-0 | 45 | Open |
| 52 | 2026-06-26 | Jana Maciei Mem 2026 | Warsaw POL | 1.21 | Lewczuk,Jakub | Sieciechowicz,M | 0-1 | 54 | Open |
| 53 | 2026-06-26 | Jana Maciei Mem 2026 | Warsaw POL | 3.1 | Sieciechowicz,M | Dardha,Daniel | 0-1 | 85 | Open |
| 54 | 2026-06-26 | Jana Maciei Mem 2026 | Warsaw POL | 4.16 | Stachniak,Stanislaw | Sieciechowicz,M | 0-1 | 35 | Open |
| 55 | 2026-06-26 | Jana Maciei Mem 2026 | Warsaw POL | 10.5 | Krzyzanowski,M | Sieciechowicz,M | 1-0 | 45 | Open |
| 56 | 2026-06-26 | Jana Maciei Mem 2026 | Warsaw POL | 11.8 | Sieciechowicz,M | Mulawa,Cyprian | 1-0 | 39 | Open |
| 57 | 2026-06-26 | Jana Maciei Mem 2026 | Warsaw POL | 8.1 | Terkiewicz,Bruno | Sieciechowicz,M | 0-1 | 44 | Open |
| 58 | 2026-06-26 | Jana Maciei Mem 2026 | Warsaw POL | 2.18 | Sieciechowicz,M | Wolak,Maciej | 1-0 | 55 | Open |
| 59 | 2026-06-26 | Jana Maciei Mem 2026 | Warsaw POL | 6.9 | Kubicka,Anna | Sieciechowicz,M | 1-0 | 53 | Open |
| 60 | 2026-06-07 | ch-Malopolska 2026 | Krakow POL | 7.2 | Sieciechowicz,M | Rosol,Philip | 1-0 | 35 | Open |
| 61 | 2026-06-06 | ch-Malopolska 2026 | Krakow POL | 6.3 | Achinovich,Oleg | Sieciechowicz,M | 0-1 | 49 | Open |
| 62 | 2026-06-06 | ch-Malopolska 2026 | Krakow POL | 5.1 | Sieciechowicz,M | Gradalski,Olaf | 1/2-1/2 | 12 | Open |
| 63 | 2026-06-05 | ch-Malopolska 2026 | Krakow POL | 3.3 | Sieciechowicz,M | Bednarek,Jan | 1-0 | 60 | Open |
| 64 | 2026-06-05 | ch-Malopolska 2026 | Krakow POL | 4.1 | Saad,Gabriel | Sieciechowicz,M | 1/2-1/2 | 58 | Open |
| 65 | 2026-06-04 | ch-Malopolska 2026 | Krakow POL | 1.5 | Sieciechowicz,M | Hanas,Markiyan | 1-0 | 74 | Open |
| 66 | 2026-06-04 | ch-Malopolska 2026 | Krakow POL | 2.4 | Kumor,L | Sieciechowicz,M | 0-1 | 44 | Open |
| 67 | 2026-05-12 | Titled Tue 12th May 2026 | chess.com INT | 3 | Tregubov,P | Sieciechowicz,M | 1-0 | 20 | Open |
| 68 | 2026-05-12 | Titled Tue 12th May 2026 | chess.com INT | 4 | Sieciechowicz,M | Rusu,Lucas | 1-0 | 28 | Open |
| 69 | 2026-05-12 | Titled Tue 12th May 2026 | chess.com INT | 11 | Sieciechowicz,M | Kengurov,Yaroslav | 0-1 | 76 | Open |
| 70 | 2026-05-12 | Titled Tue 12th May 2026 | chess.com INT | 9 | Sieciechowicz,M | Le Tuan Minh | 0-1 | 43 | Open |
| 71 | 2026-05-12 | Titled Tue 12th May 2026 | chess.com INT | 2 | Sieciechowicz,M | Movahed,Sina | 0-1 | 46 | Open |
| 72 | 2026-05-12 | Titled Tue 12th May 2026 | chess.com INT | 10 | Koneru,H | Sieciechowicz,M | 0-1 | 77 | Open |
| 73 | 2026-05-12 | Titled Tue 12th May 2026 | chess.com INT | 8 | Ivanytska,Liudmyla | Sieciechowicz,M | 0-1 | 33 | Open |
| 74 | 2026-05-12 | Titled Tue 12th May 2026 | chess.com INT | 5 | Mayta Aiza,Maveric | Sieciechowicz,M | 1-0 | 74 | Open |
| 75 | 2026-05-12 | Titled Tue 12th May 2026 | chess.com INT | 7 | Samdanov,S | Sieciechowicz,M | 0-1 | 63 | Open |
| 76 | 2026-05-12 | Titled Tue 12th May 2026 | chess.com INT | 6 | Sieciechowicz,M | Alonso,Leonardo Espinha | 1-0 | 52 | Open |
| 77 | 2026-05-12 | Titled Tue 12th May 2026 | chess.com INT | 1 | Sieciechowicz,M | Tugaj,S | 1-0 | 33 | Open |
| 78 | 2026-04-28 | Titled Tue 28th Apr 2026 | chess.com INT | 11 | Sieciechowicz,M | Kollars,Dmitrij | 0-1 | 26 | Open |
| 79 | 2026-04-28 | Titled Tue 28th Apr 2026 | chess.com INT | 2 | Yoganathan,Sakithyan | Sieciechowicz,M | 0-1 | 46 | Open |
| 80 | 2026-04-28 | Titled Tue 28th Apr 2026 | chess.com INT | 4 | Sieciechowicz,M | Mattenberger,Matthias | 1/2-1/2 | 70 | Open |
| 81 | 2026-04-28 | Titled Tue 28th Apr 2026 | chess.com INT | 9 | Sieciechowicz,M | Jyotshnav Talukdar | 1-0 | 32 | Open |
| 82 | 2026-04-28 | Titled Tue 28th Apr 2026 | chess.com INT | 7 | Kalyani Sirin | Sieciechowicz,M | 1-0 | 25 | Open |
| 83 | 2026-04-28 | Titled Tue 28th Apr 2026 | chess.com INT | 10 | Williams,Si1 | Sieciechowicz,M | 0-1 | 42 | Open |
| 84 | 2026-04-28 | Titled Tue 28th Apr 2026 | chess.com INT | 8 | Olhovik,Andrei | Sieciechowicz,M | 0-1 | 74 | Open |
| 85 | 2026-04-28 | Titled Tue 28th Apr 2026 | chess.com INT | 6 | Sieciechowicz,M | Terry,R | 0-1 | 29 | Open |
| 86 | 2026-04-28 | Titled Tue 28th Apr 2026 | chess.com INT | 5 | Lana Rodriguez,D | Sieciechowicz,M | 0-1 | 53 | Open |
| 87 | 2026-04-28 | Titled Tue 28th Apr 2026 | chess.com INT | 3 | Sieciechowicz,M | Fisher,Timofey | 1-0 | 58 | Open |
| 88 | 2026-04-18 | 26th ch-EUR Indiv 2026 | Katowice POL | 10.103 | Szczurek,Krzysztof | Sieciechowicz,M | 1/2-1/2 | 42 | Open |
| 89 | 2026-04-16 | 26th ch-EUR Indiv 2026 | Katowice POL | 9.75 | Moroni,L | Sieciechowicz,M | 1/2-1/2 | 33 | Open |
| 90 | 2026-04-15 | 26th ch-EUR Indiv 2026 | Katowice POL | 8.76 | Sieciechowicz,M | Acs,Peter | 1/2-1/2 | 39 | Open |
| 91 | 2026-04-14 | 26th ch-EUR Indiv 2026 | Katowice POL | 7.119 | Sieciechowicz,M | Gov,Guy | 1-0 | 40 | Open |
| 92 | 2026-04-13 | 26th ch-EUR Indiv 2026 | Katowice POL | 6.6 | Amar,Elham | Sieciechowicz,M | 1-0 | 41 | Open |
| 93 | 2026-04-12 | 26th ch-EUR Indiv 2026 | Katowice POL | 5.249 | Sieciechowicz,M | Nowak,L2 | 1-0 | 60 | Open |
| 94 | 2026-04-10 | 26th ch-EUR Indiv 2026 | Katowice POL | 4.14 | Tezcan,Alper | Sieciechowicz,M | 1/2-1/2 | 29 | Open |
| 95 | 2026-04-09 | 26th ch-EUR Indiv 2026 | Katowice POL | 3.58 | Sieciechowicz,M | Subelj,Jan | 0-1 | 54 | Open |
| 96 | 2026-04-08 | 26th ch-EUR Indiv 2026 | Katowice POL | 2.46 | Meshkovs,Nikita | Sieciechowicz,M | 1/2-1/2 | 36 | Open |
| 97 | 2026-04-07 | 26th ch-EUR Indiv 2026 | Katowice POL | 1.186 | Sieciechowicz,M | Wasiluk,Mateusz | 1-0 | 99 | Open |
| 98 | 2026-03-22 | 57th TCh-ITA Abruzzo 2026 | Montesilvano ITA | 5.9 | Sukovic,Andrej | Sieciechowicz,M | 1/2-1/2 | 13 | Open |
| 99 | 2026-03-22 | 57th TCh-ITA Abruzzo 2026 | Montesilvano ITA | 4.5 | Sieciechowicz,M | Bosiocic,Mari | 0-1 | 34 | Open |
| 100 | 2026-03-21 | 57th TCh-ITA Abruzzo 2026 | Montesilvano ITA | 2.9 | Sieciechowicz,M | Krstulovic,Alex | 1/2-1/2 | 23 | Open |
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