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: 2026-10-12 (UTC).
Online games are identified from known tournament names, playing sites and PGN mode. Other games are listed as OTB (over-the-board).
| # | Date | Event | Site | Round | White | Black | Result | Moves | View |
|---|---|---|---|---|---|---|---|---|---|
| 51 | 2026-06-05 | ch-Malopolska 2026 | Krakow POL | 4.1 | Saad,Gabriel | Sieciechowicz,M | 1/2-1/2 | 58 | Open |
| 52 | 2026-06-04 | ch-Malopolska 2026 | Krakow POL | 1.5 | Sieciechowicz,M | Hanas,Markiyan | 1-0 | 74 | Open |
| 53 | 2026-06-04 | ch-Malopolska 2026 | Krakow POL | 2.4 | Kumor,L | Sieciechowicz,M | 0-1 | 44 | Open |
| 54 | 2026-04-18 | 26th ch-EUR Indiv 2026 | Katowice POL | 10.103 | Szczurek,Krzysztof | Sieciechowicz,M | 1/2-1/2 | 42 | Open |
| 55 | 2026-04-16 | 26th ch-EUR Indiv 2026 | Katowice POL | 9.75 | Moroni,L | Sieciechowicz,M | 1/2-1/2 | 33 | Open |
| 56 | 2026-04-15 | 26th ch-EUR Indiv 2026 | Katowice POL | 8.76 | Sieciechowicz,M | Acs,Peter | 1/2-1/2 | 39 | Open |
| 57 | 2026-04-14 | 26th ch-EUR Indiv 2026 | Katowice POL | 7.119 | Sieciechowicz,M | Gov,Guy | 1-0 | 40 | Open |
| 58 | 2026-04-13 | 26th ch-EUR Indiv 2026 | Katowice POL | 6.6 | Amar,Elham | Sieciechowicz,M | 1-0 | 41 | Open |
| 59 | 2026-04-12 | 26th ch-EUR Indiv 2026 | Katowice POL | 5.249 | Sieciechowicz,M | Nowak,L2 | 1-0 | 60 | Open |
| 60 | 2026-04-10 | 26th ch-EUR Indiv 2026 | Katowice POL | 4.14 | Tezcan,Alper | Sieciechowicz,M | 1/2-1/2 | 29 | Open |
| 61 | 2026-04-09 | 26th ch-EUR Indiv 2026 | Katowice POL | 3.58 | Sieciechowicz,M | Subelj,Jan | 0-1 | 54 | Open |
| 62 | 2026-04-08 | 26th ch-EUR Indiv 2026 | Katowice POL | 2.46 | Meshkovs,Nikita | Sieciechowicz,M | 1/2-1/2 | 36 | Open |
| 63 | 2026-04-07 | 26th ch-EUR Indiv 2026 | Katowice POL | 1.186 | Sieciechowicz,M | Wasiluk,Mateusz | 1-0 | 99 | Open |
| 64 | 2026-03-22 | 57th TCh-ITA Abruzzo 2026 | Montesilvano ITA | 5.9 | Sukovic,Andrej | Sieciechowicz,M | 1/2-1/2 | 13 | Open |
| 65 | 2026-03-22 | 57th TCh-ITA Abruzzo 2026 | Montesilvano ITA | 4.5 | Sieciechowicz,M | Bosiocic,Mari | 0-1 | 34 | Open |
| 66 | 2026-03-21 | 57th TCh-ITA Abruzzo 2026 | Montesilvano ITA | 2.9 | Sieciechowicz,M | Krstulovic,Alex | 1/2-1/2 | 23 | Open |
| 67 | 2026-03-21 | 57th TCh-ITA Abruzzo 2026 | Montesilvano ITA | 3.5 | Di Giacinto,Gaudio | Sieciechowicz,M | 1-0 | 45 | Open |
| 68 | 2026-03-20 | 57th TCh-ITA Abruzzo 2026 | Montesilvano ITA | 1.1 | Sieciechowicz,M | Klimkowski,Jan | 1/2-1/2 | 28 | Open |
| 69 | 2025-12-07 | Semifinals ch-POL 2025 | Poronin POL | 9.5 | Marcin Sieciechowicz | Adam Gibala | 1/2-1/2 | 41 | Open |
| 70 | 2025-12-06 | Semifinals ch-POL 2025 | Poronin POL | 8.6 | Tymon Czernek | Marcin Sieciechowicz | 1/2-1/2 | 33 | Open |
| 71 | 2025-12-05 | Semifinals ch-POL 2025 | Poronin POL | 7.4 | Marcin Sieciechowicz | Jacek Szwed | 1/2-1/2 | 74 | Open |
| 72 | 2025-12-04 | Semifinals ch-POL 2025 | Poronin POL | 6.5 | Aleksander Hnydiuk | Marcin Sieciechowicz | 1/2-1/2 | 17 | Open |
| 73 | 2025-12-03 | Semifinals ch-POL 2025 | Poronin POL | 5.11 | Marcin Sieciechowicz | Lukasz Nowak | 1-0 | 53 | Open |
| 74 | 2025-12-02 | Semifinals ch-POL 2025 | Poronin POL | 4.6 | Bartlomiej Rog | Marcin Sieciechowicz | 1/2-1/2 | 51 | Open |
| 75 | 2025-12-01 | Semifinals ch-POL 2025 | Poronin POL | 3.9 | Marcin Sieciechowicz | Patryk Mrozowski | 1-0 | 44 | Open |
| 76 | 2025-11-30 | Semifinals ch-POL 2025 | Poronin POL | 2.8 | Bruno Terkiewicz | Marcin Sieciechowicz | 1-0 | 68 | Open |
| 77 | 2025-11-29 | Semifinals ch-POL 2025 | Poronin POL | 1.8 | Marcin Sieciechowicz | Kacper Staniczek | 1-0 | 39 | Open |
| 78 | 2025-10-04 | ch-POL Rapid 2025 | Lublin POL | 9.4 | Marcin Sieciechowicz | Lukasz Cyborowski | 1-0 | 52 | Open |
| 79 | 2025-10-04 | ch-POL Rapid 2025 | Lublin POL | 8.9 | Bartlomiej Rog | Marcin Sieciechowicz | 0-1 | 54 | Open |
| 80 | 2025-10-04 | ch-POL Rapid 2025 | Lublin POL | 7.17 | Marcin Sieciechowicz | Tymoteusz Hury | 1-0 | 51 | Open |
| 81 | 2025-10-04 | ch-POL Rapid 2025 | Lublin POL | 6.6 | Zbigniew Pakleza | Marcin Sieciechowicz | 1-0 | 44 | Open |
| 82 | 2025-10-04 | ch-POL Rapid 2025 | Lublin POL | 5.1 | Marcin Sieciechowicz | Jakub Liskiewicz | 1-0 | 27 | Open |
| 83 | 2025-10-04 | ch-POL Rapid 2025 | Lublin POL | 4.16 | Kamil Kaliszuk | Marcin Sieciechowicz | 0-1 | 72 | Open |
| 84 | 2025-10-04 | ch-POL Rapid 2025 | Lublin POL | 2.16 | Marcin Bartoszewicz | Marcin Sieciechowicz | 1/2-1/2 | 43 | Open |
| 85 | 2025-10-04 | ch-POL Rapid 2025 | Lublin POL | 1.17 | Marcin Sieciechowicz | Marcin Somyk | 1-0 | 53 | Open |
| 86 | 2025-09-07 | TCh-POL 2nd League 2025 | Jastrzebia Gora POL | 9.1 | Marcin Sieciechowicz | Kacper Ugorek | 1-0 | 57 | Open |
| 87 | 2025-09-06 | TCh-POL 2nd League 2025 | Jastrzebia Gora POL | 8.1 | Marcin Dziuba | Marcin Sieciechowicz | 1-0 | 52 | Open |
| 88 | 2025-09-05 | TCh-POL 2nd League 2025 | Jastrzebia Gora POL | 7.1 | Dominik Marczuk | Marcin Sieciechowicz | 0-1 | 28 | Open |
| 89 | 2025-09-04 | TCh-POL 2nd League 2025 | Jastrzebia Gora POL | 6.1 | Marcin Sieciechowicz | Karina Cyfka | 1/2-1/2 | 27 | Open |
| 90 | 2025-09-03 | TCh-POL 2nd League 2025 | Jastrzebia Gora POL | 5.1 | Jakub Suder | Marcin Sieciechowicz | 1/2-1/2 | 39 | Open |
| 91 | 2025-09-02 | TCh-POL 2nd League 2025 | Jastrzebia Gora POL | 4.1 | Marcin Sieciechowicz | Tymon Czernek | 1-0 | 32 | Open |
| 92 | 2025-09-01 | TCh-POL 2nd League 2025 | Jastrzebia Gora POL | 3.7 | Przemyslaw Kindler | Marcin Sieciechowicz | 0-1 | 48 | Open |
| 93 | 2025-08-31 | TCh-POL 2nd League 2025 | Jastrzebia Gora POL | 2.25 | Marcin Sieciechowicz | Oleksandr Sushchov | 1-0 | 32 | Open |
| 94 | 2025-08-30 | TCh-POL 2nd League 2025 | Jastrzebia Gora POL | 1.55 | Piotr Renkowski | Marcin Sieciechowicz | 1-0 | 49 | Open |
| 95 | 2025-08-02 | Adolf Anderssen Mem 2025 | Wroclaw POL | 8.13 | Marcin Sieciechowicz | Bartlomiej Mondrzycki | 0-1 | 30 | Open |
| 96 | 2025-08-02 | Adolf Anderssen Mem 2025 | Wroclaw POL | 7.2 | Maciej Klekowski | Marcin Sieciechowicz | 1-0 | 52 | Open |
| 97 | 2025-08-02 | Adolf Anderssen Mem 2025 | Wroclaw POL | 6.1 | Kacper Klys | Marcin Sieciechowicz | 0-1 | 56 | Open |
| 98 | 2025-08-02 | Adolf Anderssen Mem 2025 | Wroclaw POL | 5.13 | Marcin Sieciechowicz | Franciszek Borkowski | 1-0 | 29 | Open |
| 99 | 2025-08-02 | Adolf Anderssen Mem 2025 | Wroclaw POL | 4.3 | Marcin Tazbir | Marcin Sieciechowicz | 1-0 | 49 | Open |
| 100 | 2025-08-02 | Adolf Anderssen Mem 2025 | Wroclaw POL | 3.15 | Marcin Sieciechowicz | Andrzej Krzywda | 1-0 | 23 | Open |
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