| Date | Chess tournament name | Status | 
|---|---|---|
| 2025-06-06 to 2026-03-14 | Finnish League 2025-2026 Div 2/1 ![]()  | 
                                                                                                At Stake | 
| 2025-08-03 to 2025-08-03 | Joukkuepikashakin SM 2025 Sijoitusryhmä 2 ![]()  | 
                                                                                                Finished | 
| 2025-08-02 to 2025-08-02 | JoukkueBlixtit 2025, Ryhmä E ![]()  | 
                                                                                                Finished | 
| 2024-09-07 to 2025-03-15 | Finnish League 2024-2025 Div 2/1 ![]()  | 
                                                                                                Finished | 
| 2024-08-04 to 2024-08-04 | Joukkuepikashakin SM 2024, M-ryhmä ![]()  | 
                                                                                                Finished | 
| 2024-08-03 to 2024-08-03 | Joukkuepikashakin SM 2024, alkuryhmä A ![]()  | 
                                                                                                Finished | 
| 2023-08-05 to 2023-08-05 | Joukkuepikashakin SM-kilpailu 1. sijoitusryhmä ![]()  | 
                                                                                                Finished | 
| 2023-08-05 to 2023-08-05 | Joukkuepikashakin SM-kilpailu Alkuryhmä B ![]()  | 
                                                                                                Finished | 
| 2022-08-07 to 2022-08-07 | Joukkuepikashakin SM 2022, Ryhmä 3 ![]()  | 
                                                                                                Finished | 
| 2022-08-06 to 2022-08-06 | Joukkuepikashakin SM 2022, alkukilpailuryhmä D ![]()  | 
                                                                                                Finished | 
| 2022-07-04 to 2022-07-10 | Avoin SM / Naantalin turnaus 2022 ![]()  | 
                                                                                                Finished | 
| 2019-06-29 to 2019-07-05 | Avoin SM turnaus / Naantalin turnaus 2019 ![]()  | 
                                                                                                Finished | 
| 2018-08-05 to 2018-08-05 | Joukkuepikashakin SM 2018, 3-ryhmä ![]()  | 
                                                                                                Finished | 
| 2018-08-04 to 2018-08-04 | Joukkuepikashakin SM 2018, B-Ryhmä ![]()  | 
                                                                                                Finished | 
| 2018-07-02 to 2018-07-08 | Avoin SM turnaus / Naantalin turnaus 2018 ![]()  | 
                                                                                                Finished | 
| 2017-08-06 to 2017-08-06 | Joukkuepikashakin SM 2017 4. ![]()  | 
                                                                                                Finished | 
| 2017-08-05 to 2017-08-05 | Joukkuepikashakin SM 2017 B -ryhmä ![]()  | 
                                                                                                Finished | 
| 2017-07-03 to 2017-07-07 | Avoin SM turnaus / Naantalin turnaus 2017 ![]()  | 
                                                                                                Finished | 
| 2016-07-04 to 2016-07-10 | Avoin SM / Naantalin turnaus 2016 ![]()  | 
                                                                                                Finished | 
| 2015-06-29 to 2015-07-05 | Avoin SM / Naantalin turnaus 2015 ![]()  | 
                                                                                                Finished | 
| 2014-11-28 to 2014-11-30 | TuTS 80-vuotta juhlaturnaus 28.-30.11.2014 A-ryhmä ![]()  | 
                                                                                                Finished | 
| 2014-06-30 to 2014-07-06 | Naantalin turnaus 2014 ![]()  | 
                                                                                                Finished | 
| Date | Players & Opening | Result | ECO | View | 
|---|---|---|---|---|
| 2018.07.06 | Kivimaeki, Kasper (1802)  vs (2010) Nieminen, Markus Avoin SM turnaus / Naantalin turnaus 2018 Spanish Closed - Lenzerheide  | 
                                                                                                                                                1/2-1/2 | C92 | |
| 2018.07.05 | Nieminen, Markus (2010)  vs (1839) Norlamo, Sarabella Avoin SM turnaus / Naantalin turnaus 2018 Two Knights - Ulvestad  | 
                                                                                                                                                0-1 | C57 | |
| 2018.07.05 | Saerkioe, Lauri (2011)  vs (2010) Nieminen, Markus Avoin SM turnaus / Naantalin turnaus 2018 Reti King's Indian  | 
                                                                                                                                                1-0 | A07 | |
| 2018.07.04 | Nieminen, Markus (2010)  vs (1591) Eerola, Antti Avoin SM turnaus / Naantalin turnaus 2018 French Advance - Euwe  | 
                                                                                                                                                1-0 | C02 | |
| 2018.07.03 | Tocklin, Tomi (1799)  vs (2010) Nieminen, Markus Avoin SM turnaus / Naantalin turnaus 2018 Spanish Morphy - Exchange (Bronstein)  | 
                                                                                                                                                1/2-1/2 | C68 | |
| 2018.07.03 | Nieminen, Markus (2010)  vs (2234) Topi-Hulmi, Teemu Avoin SM turnaus / Naantalin turnaus 2018 Sicilian Alapin - Euwe  | 
                                                                                                                                                0-1 | C02 | |
| 2018.07.02 | Ailasmaa, Kimmo (1783)  vs (2010) Nieminen, Markus Avoin SM turnaus / Naantalin turnaus 2018 Spanish Breyer - Borisenko  | 
                                                                                                                                                0-1 | C95 | |
| 2017.07.07 | Norlamo, Sarabella (1649)  vs (2015) Nieminen, Markus Avoin SM turnaus / Naantalin turnaus 2017 Indian East Indian  | 
                                                                                                                                                1-0 | A48 | |
| 2017.07.06 | Nieminen, Markus (2015)  vs (2375) Sipilae, Vilka Avoin SM turnaus / Naantalin turnaus 2017 Pirc  | 
                                                                                                                                                0-1 | B07 | |
| 2017.07.06 | Nieminen, Markus (2015)  vs (2171) Halmeenmaeki, Tuomo Avoin SM turnaus / Naantalin turnaus 2017 Pirc Austrian - Weiss  | 
                                                                                                                                                1/2-1/2 | B09 | |
| 2017.07.05 | Tuominen, Risto (2288)  vs (2015) Nieminen, Markus Avoin SM turnaus / Naantalin turnaus 2017 Reti Symmetrical - Nimzovich  | 
                                                                                                                                                1-0 | A05 | |
| 2017.07.04 | Nieminen, Markus (2015)  vs (2216) Demidov, Jan Avoin SM turnaus / Naantalin turnaus 2017 Sicilian Scheveningen Najdorf (Opecensky)  | 
                                                                                                                                                1-0 | B92 | |
| 2017.07.04 | Niemi, Kalle (2342)  vs (2015) Nieminen, Markus Avoin SM turnaus / Naantalin turnaus 2017 French Open Tarrasch  | 
                                                                                                                                                1/2-1/2 | C07 | |
| 2017.07.03 | Nieminen, Markus (2015)  vs (1608) Louhi, Tapio Avoin SM turnaus / Naantalin turnaus 2017 Sicilian  | 
                                                                                                                                                1-0 | B32 | |
| 2016.07.10 | Nieminen, Markus (1982)  vs (2153) Jaervelae, Jari Avoin SM / Naantalin turnaus 2016 French Advance - Paulsen  | 
                                                                                                                                                0-1 | C02 | |
| 2016.07.09 | Sipilae, Vilka (2458)  vs (1982) Nieminen, Markus Avoin SM / Naantalin turnaus 2016 Sicilian Scheveningen Najdorf - Adams  | 
                                                                                                                                                1-0 | B90 | |
| 2016.07.08 | Laajo, Juha (1864)  vs (1982) Nieminen, Markus Avoin SM / Naantalin turnaus 2016 Sicilian Alapin - Smith-Morra  | 
                                                                                                                                                1/2-1/2 | B22 | |
| 2016.07.07 | Nieminen, Markus (1982)  vs (1900) Lyly, Seppo Avoin SM / Naantalin turnaus 2016 Sicilian Scheveningen (Sozin)  | 
                                                                                                                                                1-0 | B86 | |
| 2016.07.07 | Auvinen, Esa (1906)  vs (1982) Nieminen, Markus Avoin SM / Naantalin turnaus 2016 Sicilian Open  | 
                                                                                                                                                0-1 | B55 | |
| 2016.07.06 | Nieminen, Markus (1982)  vs (2139) Linden, Lari Avoin SM / Naantalin turnaus 2016 Sicilian Barnes - Kasparov  | 
                                                                                                                                                0-1 | B44 | |
| 2016.07.05 | Tammela, Kari (2156)  vs (1982) Nieminen, Markus Avoin SM / Naantalin turnaus 2016 Reti Symmetrical - Neo-Gruenfeld  | 
                                                                                                                                                1/2-1/2 | D70 | |
| 2016.07.05 | Nieminen, Markus (1982)  vs (2393) Kiik, Kalle Avoin SM / Naantalin turnaus 2016 Sicilian O'Kelly  | 
                                                                                                                                                1/2-1/2 | B28 | |
| 2016.07.04 | Haddara, Marwan (1690)  vs (1982) Nieminen, Markus Avoin SM / Naantalin turnaus 2016 King's Knight - Scotch Gambit  | 
                                                                                                                                                0-1 | C44 | |
| 2015.07.02 | Koskinen, Hannu E. (1813)  vs (1985) Nieminen, Markus Avoin SM / Naantalin turnaus 2015 King's Indian Yugoslav - Taimanov  | 
                                                                                                                                                1/2-1/2 | E97 | |
| 2015.07.02 | Nieminen, Markus (1985)  vs (2090) Heino, Juha Avoin SM / Naantalin turnaus 2015 Queen's Gambit Declined Pillsbury  | 
                                                                                                                                                0-1 | D55 | |
| 2015.07.01 | Paronen, Petteri (2154)  vs (1985) Nieminen, Markus Avoin SM / Naantalin turnaus 2015 Spanish Morphy - Wormald  | 
                                                                                                                                                1/2-1/2 | C77 | |
| 2015.06.30 | Nieminen, Markus (1985)  vs (1727) Torvi, Markku Avoin SM / Naantalin turnaus 2015 Semi-Slav - Anti-Meran  | 
                                                                                                                                                1-0 | D43 | |
| 2015.06.30 | Koivumaeki, Marko (1803)  vs (1985) Nieminen, Markus Avoin SM / Naantalin turnaus 2015 English Anglo-Indian (Queen's Knight)  | 
                                                                                                                                                1/2-1/2 | A16 | |
| 2015.06.29 | Nieminen, Markus (1985)  vs (1688) Karlsson, Reijo Avoin SM / Naantalin turnaus 2015 Scandinavian  | 
                                                                                                                                                1/2-1/2 | B01 | |
| 2014.07.06 | Nieminen, Markus (1974)  vs (1885) Haanila, Erkki Naantalin turnaus 2014 King's Gambit Declined  | 
                                                                                                                                                0-1 | C30 | |
| 2014.07.05 | Leino, Pauli (1890)  vs (1974) Nieminen, Markus Naantalin turnaus 2014 Indian  | 
                                                                                                                                                0-1 | A50 | |
| 2014.07.04 | Nieminen, Markus (1974)  vs (2068) Pelto, Juho Naantalin turnaus 2014 Sicilian Accelerated Dragon (Modern) - Simagin  | 
                                                                                                                                                0-1 | B35 | |
| 2014.07.03 | Julkunen, Tapio (1921)  vs (1974) Nieminen, Markus Naantalin turnaus 2014 Semi-Slav Meran - Wade  | 
                                                                                                                                                1/2-1/2 | D47 | |
| 2014.07.03 | Nieminen, Markus (1974)  vs (1881) Viljanen, Jouko Naantalin turnaus 2014 Sicilian Scheveningen Najdorf - Byrne  | 
                                                                                                                                                1-0 | B90 | |
| 2014.07.02 | Hurme, Harri (2186)  vs (1974) Nieminen, Markus Naantalin turnaus 2014 Indian  | 
                                                                                                                                                1-0 | A50 | |
| 2014.07.01 | Nieminen, Markus (1974)  vs (1890) Piiroinen, Tero Naantalin turnaus 2014 Caro-Kann - Advance (Van der Wiel)  | 
                                                                                                                                                1/2-1/2 | B12 | |
| 2014.07.01 | Riihimaeki, Pekka (1971)  vs (1974) Nieminen, Markus Naantalin turnaus 2014 Sicilian Scheveningen Najdorf  | 
                                                                                                                                                1/2-1/2 | B96 | |
| 2014.06.30 | Nieminen, Markus (1974)  vs (1827) Jaederholm, Bo Naantalin turnaus 2014 Sicilian Scheveningen Najdorf - Byrne  | 
                                                                                                                                                1-0 | B90 | |
| 2011.07.10 | Koskinen, Riku (1970)  vs (1964) Nieminen, Markus Naantalin turnaus 2011 Reti Symmetrical  | 
                                                                                                                                                1-0 | A05 | |
| 2011.07.09 | Nieminen, Markus (1964)  vs (1884) Norri, Roger Naantalin turnaus 2011 Slav Rubinstein  | 
                                                                                                                                                1-0 | D11 | |
| 2011.07.08 | Vierjoki, Timo (1749)  vs (1964) Nieminen, Markus Naantalin turnaus 2011 English Anglo-Indian  | 
                                                                                                                                                0-1 | A15 | |
| 2011.07.07 | Nieminen, Markus (1964)  vs (1971) Riihimaeki, Pekka Naantalin turnaus 2011 Semi-Slav Meran - Wade  | 
                                                                                                                                                0-1 | D47 | |
| 2011.07.07 | Linqvist, Grels (2024)  vs (1964) Nieminen, Markus Naantalin turnaus 2011 English Anglo-Indian - King's Fianchetto  | 
                                                                                                                                                1-0 | A15 | |
| 2011.07.06 | Nieminen, Markus (1964)  vs (1945) Lyly, Seppo Naantalin turnaus 2011 Gruenfeld Saemisch - Landau  | 
                                                                                                                                                1-0 | D82 | |
| 2011.07.05 | Tuominen, Risto (2293)  vs (1964) Nieminen, Markus Naantalin turnaus 2011 Gruenfeld Exchange  | 
                                                                                                                                                1-0 | D85 | |
| 2011.07.05 | Nieminen, Markus (1964)  vs (2257) Jaervenpaeae, Jari Naantalin turnaus 2011 Gruenfeld Saemisch - Landau  | 
                                                                                                                                                1/2-1/2 | D82 | |
| 2011.07.04 | Levo, Niko (1547)  vs (1964) Nieminen, Markus Naantalin turnaus 2011 Sicilian Scheveningen Najdorf - Byrne  | 
                                                                                                                                                0-1 | B90 | |
| 2010.07.04 | Leino, Pauli (1917)  vs (1525) Nieminen, Markus Naantalin turnaus 2010 / Avoin SM English Anglo-Indian - King's Knight  | 
                                                                                                                                                1-0 | A15 | |
| 2010.07.03 | Nieminen, Markus (1525)  vs (2017) Linqvist, Grels Naantalin turnaus 2010 / Avoin SM Semi-Slav Meran - Wade  | 
                                                                                                                                                0-1 | D47 | |
| 2010.07.02 | Norri, Roger (1895)  vs (1525) Nieminen, Markus Naantalin turnaus 2010 / Avoin SM Sicilian Scheveningen Najdorf (Opecensky)  | 
                                                                                                                                                0-1 | B92 | |
| 2010.07.01 | Nieminen, Markus (1525)  vs (1966) Riihimaeki, Pekka Naantalin turnaus 2010 / Avoin SM Semi-Slav Anti-Meran - Lilienthal  | 
                                                                                                                                                1/2-1/2 | D44 | |
| 2010.07.01 | Olander, Aleksi (2025)  vs (1525) Nieminen, Markus Naantalin turnaus 2010 / Avoin SM Gruenfeld Kemeri - Gruenfeld  | 
                                                                                                                                                1-0 | D71 | |
| 2010.06.30 | Nieminen, Markus (1525)  vs (1974) Ruotanen, Helge Naantalin turnaus 2010 / Avoin SM Irregular Queen's Pawn - Lizard  | 
                                                                                                                                                1-0 | B06 | |
| 2010.06.29 | Alhava, Antero (2040)  vs (1525) Nieminen, Markus Naantalin turnaus 2010 / Avoin SM Gruenfeld Three Knights (Petrosian)  | 
                                                                                                                                                1-0 | D91 | |
| 2010.06.29 | Nieminen, Markus (1525)  vs (2066) Heino, Juha Naantalin turnaus 2010 / Avoin SM King's Indian Saemisch - Accelerated Byrne  | 
                                                                                                                                                1-0 | E80 | |
| 2010.06.28 | Koskinen, Riku (1956)  vs (1525) Nieminen, Markus Naantalin turnaus 2010 / Avoin SM English Anglo-Indian (Queen's Knight)  | 
                                                                                                                                                0-1 | A16 | 
| Date | Players & Opening | Result | ECO | View | 
|---|---|---|---|---|
| 2024.10.05 | Nieminen,S (2159) vs (2047) Salonen,Mikko TCh-FIN 2024-25 Queen's Gambit Declined  | 
                                                                                                                                                1-0 | D30 | |
| 2024.10.06 | Nieminen,S (2166) vs (2110) Pitkaaho,Arto TCh-FIN 2024-25 Dutch Classical - Franco-Indian  | 
                                                                                                                                                0-1 | A96 | |
| 2024.10.05 | Nevanlinna,R (2223) vs (2166) Nieminen,S TCh-FIN 2024-25 Reti Zukertort  | 
                                                                                                                                                1-0 | A06 | |
| 2024.11.29 | Elsness,F (2424) vs (2043) Nieminen,K Gran Hotel Bali Open A Queen's Gambit Declined - Exchange  | 
                                                                                                                                                1-0 | D35 | |
| 2024.02.11 | Peltola,L (1955) vs (2002) Nieminen,K TCh-FIN 2023-24 Sicilian Paulsen  | 
                                                                                                                                                1/2-1/2 | B41 | |
| 2024.02.10 | Nieminen,K (2002) vs (2157) Byggmastar,L TCh-FIN 2023-24 Pirc - Jaenisch (Jansen)  | 
                                                                                                                                                1/2-1/2 | C41 | |
| 2024.03.17 | Nieminen,K (2002) vs (2085) Salonen,Mikko TCh-FIN 2023-24 Spanish Closed  | 
                                                                                                                                                1/2-1/2 | C84 | |
| 2024.03.16 | Rehn,R (2108) vs (2002) Nieminen,K TCh-FIN 2023-24 Nimzovich - Modern  | 
                                                                                                                                                1/2-1/2 | A01 | |
| 2023.11.26 | Nieminen,K (2002) vs (2187) Kytoniemi,J TCh-FIN 2023-24 Scandinavian - Modern (Marshall)  | 
                                                                                                                                                1/2-1/2 | B01 | |
| 2023.11.25 | Nieminen,K (2002) vs (2150) Galchenko,Vadim TCh-FIN 2023-24 French Advance Winawer  | 
                                                                                                                                                1/2-1/2 | C16 | |
| 2023.10.22 | Nieminen,K (2002) vs (2236) Mansner,Harry TCh-FIN 2023-24 Sicilian Closed  | 
                                                                                                                                                1/2-1/2 | B23 | |
| 2023.10.21 | Nieminen,K (2002) vs (2114) Makela,Lauri TCh-FIN 2023-24 Sicilian Closed  | 
                                                                                                                                                1/2-1/2 | B23 | |
| 2023.09.24 | Nieminen,K (2002) vs (2168) Pulkkinen,K TCh-FIN 2023-24 Sicilian Closed - Chameleon  | 
                                                                                                                                                1/2-1/2 | B23 | |
| 2023.09.23 | Kekki,P (2291) vs (2002) Nieminen,K TCh-FIN 2023-24 Indian - Trompowsky  | 
                                                                                                                                                1/2-1/2 | A45 | |
| 2023.07.17 | Nieminen,Oliver (1528) vs (2181) Volkov,Roman 31st Heart of Finland Op Sicilian Paulsen  | 
                                                                                                                                                0-1 | B43 | |
| 2021.11.20 | Nieminen,S (2159) vs (2257) Lehtivaara,P TCh-FIN 2020-22 Dutch Classical - Franco-Indian  | 
                                                                                                                                                1/2-1/2 | A96 | |
| 2021.10.17 | Nieminen,K (2079) vs (2073) Salonen,Mikko TCh-FIN 2020-22 Spanish Closed  | 
                                                                                                                                                1/2-1/2 | C90 | |
| 2021.10.16 | Kiili,M (2168) vs (2079) Nieminen,K TCh-FIN 2020-22 Scandinavian  | 
                                                                                                                                                1/2-1/2 | B01 | |
| 2022.07.21 | Koykka,P (2361) vs (2079) Nieminen,K 30th Heart of Finland Op Reti  | 
                                                                                                                                                1-0 | A04 | |
| 2022.07.20 | Nieminen,K (2079) vs (2272) Ronka,E 30th Heart of Finland Op Caro-Kann - Advance  | 
                                                                                                                                                1/2-1/2 | B12 | |
| 2022.07.18 | Fedorchuk,S (2612) vs Nieminen,Pauli 30th Heart of Finland Op Two Knights - Modern Bishop  | 
                                                                                                                                                1-0 | C55 | |
| 2016.10.09 | Laihonen, P. (2172) vs (2148) Nieminen, S. TCh-FIN 2016-17 Caro-Kann - Gurgenidze  | 
                                                                                                                                                1/2-1/2 | B15 | |
| 2016.10.08 | Nieminen, S. (2148) vs (2005) Sassi, P. TCh-FIN 2016-17 Queen's Gambit Declined Neo-Orthodox - Lasker (Modern)  | 
                                                                                                                                                1-0 | D56 | |
| 2016.09.17 | Titovets, Sergei (2042) vs (2148) Nieminen, S. TCh-FIN 2016-17 Caro-Kann - Two Knights  | 
                                                                                                                                                0-1 | B11 | |
| 2017.09.16 | Nieminen, S. (2169) vs (2173) Salonen, J. TCh-FIN 2017-18 Old Indian Ukrainian (Two Knights)  | 
                                                                                                                                                1/2-1/2 | A55 | |
| 2018.04.14 | Nieminen, K (2117) vs Umayan, Gabriel John 18th BCC Open 2018 Spanish Russian  | 
                                                                                                                                                1-0 | C79 | |
| 2018.03.11 | Aura, Kristian (1974) vs (2150) Nieminen, K TCh-FIN 2017-18 Indian Knight  | 
                                                                                                                                                1/2-1/2 | A46 | |
| 2018.09.16 | Ihaksi, Arto (1921) vs (2187) Nieminen, S TCh-FIN 2018-19 Queen's Pawn - Levitsky  | 
                                                                                                                                                0-1 | D00 | |
| 2018.12.09 | Mujunen, M (2042) vs (2065) Nieminen, K TCh-FIN 2018-19 Sicilian Open - Two Knights  | 
                                                                                                                                                1/2-1/2 | B56 | |
| 2018.04.17 | Kollmann, R (1905) vs (2117) Nieminen, K 18th BCC Open 2018 Bird Dutch  | 
                                                                                                                                                1/2-1/2 | A03 | |
| 2018.04.19 | Vishwa, Vasnawala (1558) vs (2117) Nieminen, K 18th BCC Open 2018 Indian  | 
                                                                                                                                                1/2-1/2 | A45 | |
| 2017.12.03 | Linden, L (2127) vs (2169) Nieminen, S TCh-FIN 2017-18 Catalan Open (Classical) - Gambit  | 
                                                                                                                                                1/2-1/2 | E04 | |
| 2019.02.10 | Pihlajamaki, Seppo (1958) vs (2187) Nieminen, S TCh-FIN 2018-19 Polish Sokolsky opening - Bugayev Attack  | 
                                                                                                                                                1/2-1/2 | A00 | |
| 2016.05.08 | Nieminen, K. (2127) vs (2503) Smith, Ax Hasselbacken Open 2016 Sicilian  | 
                                                                                                                                                0-1 | B30 | |
| 2016.05.07 | Ziegler, A. (2296) vs (2127) Nieminen, K. Hasselbacken Open 2016 Sicilian Scheveningen (Keres) - Anderssen  | 
                                                                                                                                                0-1 | B81 | |
| 2016.05.04 | Nieminen, K. (2127) vs (2264) Geenen, M. Hasselbacken Open 2016 Spanish Morphy - Archangelsk (Planinc)  | 
                                                                                                                                                0-1 | C78 | |
| 2020.02.14 | Menezes, Chr (2394) vs (2112) Nieminen, K Graz Open A 2020 Reti King's Indian  | 
                                                                                                                                                1-0 | A07 | |
| 2016.05.03 | Bergstrom, R. (2298) vs (2127) Nieminen, K. Hasselbacken Open 2016 Sicilian  | 
                                                                                                                                                1/2-1/2 | B40 | |
| 2020.02.15 | Nieminen, K (2112) vs (2387) Secheres, Ad Graz Open A 2020 Sicilian Closed  | 
                                                                                                                                                0-1 | B23 | |
| 2016.05.01 | Schneider, Stef (2359) vs (2127) Nieminen, K. Hasselbacken Open 2016 Irregular Indian - Blumenfeld Gambit (Dus Chotmirsky)  | 
                                                                                                                                                1-0 | E10 | |
| 2015.03.15 | Nieminen, K. (2116) vs (2100) Hallman, Valo TCh-FIN 2014-15 Pirc  | 
                                                                                                                                                1/2-1/2 | B07 | |
| 2015.03.15 | Nieminen, S. (2112) vs (2076) Linden, L. TCh-FIN 2014-15 Slav Delmar - Symmetrical  | 
                                                                                                                                                1-0 | D12 | |
| 2015.03.14 | Linden, L. (2076) vs (2116) Nieminen, K. TCh-FIN 2014-15 Indian - Saemisch  | 
                                                                                                                                                1-0 | A50 | |
| 2015.03.14 | Hallman, Valo (2100) vs (2112) Nieminen, S. TCh-FIN 2014-15 Reti King's Indian  | 
                                                                                                                                                0-1 | A07 | |
| 2015.03.13 | Nieminen, K. (2116) vs (2112) Nieminen, S. TCh-FIN 2014-15 Caro-Kann - Advance  | 
                                                                                                                                                0-1 | B12 | |
| 2019.09.14 | Nieminen, K (2118) vs (1953) Sjoman, Tapani TCh-FIN 2019-20 French Advance Winawer  | 
                                                                                                                                                1/2-1/2 | C19 | |
| 2018.11.11 | Galchenko, Vadim (2123) vs (2187) Nieminen, S TCh-FIN 2018-19 Caro-Kann - Accelerated Panov  | 
                                                                                                                                                1-0 | B10 | |
| 2019.02.09 | Linden, L (2130) vs (2187) Nieminen, S TCh-FIN 2018-19 Catalan Irregular - Gambit  | 
                                                                                                                                                1-0 | E01 | |
| 2015.02.08 | Lammi, J. (2109) vs (2116) Nieminen, K. TCh-FIN 2014-15 Indian  | 
                                                                                                                                                1/2-1/2 | A45 | |
| 2015.02.08 | Wright, Aarne von (2143) vs (2112) Nieminen, S. TCh-FIN 2014-15 Caro-Kann - Advance (Short)  | 
                                                                                                                                                1/2-1/2 | B12 | |
| 2015.02.07 | Nieminen, S. (2112) vs (2166) Vinke, D. TCh-FIN 2014-15 Irregular Queen's Pawn - Kotov  | 
                                                                                                                                                1/2-1/2 | A40 | |
| 2015.02.07 | Nieminen, K. (2116) vs (2126) Hallenberg, S. TCh-FIN 2014-15 Sicilian Dragon - Classical Dragon (Grigoriev)  | 
                                                                                                                                                1/2-1/2 | B72 | |
| 2018.09.15 | Nieminen, S (2187) vs (2073) Saastamoinen, A TCh-FIN 2018-19 Queen's Indian Fianchetto - Nimzovich  | 
                                                                                                                                                1/2-1/2 | E15 | |
| 2015.02.07 | Nieminen, K. (2116) vs (2126) Hallenberg, S. TCh-FIN 2014-15 Sicilian Dragon - Classical Dragon (Grigoriev)  | 
                                                                                                                                                1/2-1/2 | B72 | |
| 2018.11.10 | Nieminen, S (2187) vs (2063) Lindholm, Jere TCh-FIN 2018-19 Gruenfeld Three Knights (Petrosian)  | 
                                                                                                                                                1/2-1/2 | D91 | |
| 2015.02.13 | Nieminen, K. (2151) vs (2490) Rambaldi, Francesco Graz Open A 2015 French Paulsen - Steinitz  | 
                                                                                                                                                0-1 | C11 | |
| 2019.09.15 | Parkkinen, J (2120) vs (2118) Nieminen, K TCh-FIN 2019-20 Reti Symmetrical - King's Indian  | 
                                                                                                                                                1/2-1/2 | A05 | |
| 2017.03.12 | Rantanen, Y. (2286) vs (2148) Nieminen, S. TCh-FIN 2016-17 Caro-Kann Panov - Panov  | 
                                                                                                                                                1-0 | B14 | |
| 2014.11.16 | Nieminen, K. (2116) vs (2147) Takalo Eskola, A. TCh-FIN 2014-15 Scandinavian  | 
                                                                                                                                                1-0 | B01 | |
| 2014.11.16 | Nieminen, S. (2112) vs (2246) Ahvenjarvi, Jani TCh-FIN 2014-15 Queen's Indian Spassky  | 
                                                                                                                                                0-1 | E14 | |
| 2014.11.15 | Wright, Aarne von (2143) vs (2116) Nieminen, K. TCh-FIN 2014-15 Bird  | 
                                                                                                                                                1/2-1/2 | A02 | |
| 2014.11.15 | Nordman, Joonas (1941) vs (2112) Nieminen, S. TCh-FIN 2014-15 Reti Symmetrical  | 
                                                                                                                                                0-1 | A05 | |
| 2014.10.19 | Nyback, J. (2167) vs (2112) Nieminen, S. TCh-FIN 2014-15 Indian Knight  | 
                                                                                                                                                0-1 | A46 | |
| 2014.10.19 | Nieminen, K. (2116) vs (2019) Iivonen, M. TCh-FIN 2014-15 French Advance Winawer - Rauzer  | 
                                                                                                                                                1-0 | C17 | |
| 2014.10.18 | Nieminen, S. (2112) vs (2233) Tiitta, S. TCh-FIN 2014-15 Old Benoni  | 
                                                                                                                                                1/2-1/2 | A43 | |
| 2014.10.18 | Kytoniemi, J. (2252) vs (2116) Nieminen, K. TCh-FIN 2014-15 Reti  | 
                                                                                                                                                1/2-1/2 | A04 | |
| 2017.02.05 | Hynninen, J. (2226) vs (2144) Nieminen, K. TCh-FIN 2016-17 Nimzo-Indian St. Petersburg Rubinstein - Reshevsky  | 
                                                                                                                                                1/2-1/2 | E46 | |
| 2017.02.04 | Nieminen, S. (2148) vs (2035) Graeffe, P. TCh-FIN 2016-17 Queen's Gambit Declined - Reti  | 
                                                                                                                                                1-0 | D34 | |
| 2016.12.11 | Nieminen, S. (2148) vs (1938) Kukkonen, Jaakko TCh-FIN 2016-17 Slav Delmar - Symmetrical  | 
                                                                                                                                                1/2-1/2 | D12 | |
| 2014.09.28 | Nyback, J. (2167) vs (2116) Nieminen, K. TCh-FIN 2014-15 Indian Knight  | 
                                                                                                                                                1/2-1/2 | A46 | |
| 2014.09.27 | Nieminen, K. (2116) vs (2266) Pulkkinen, K. TCh-FIN 2014-15 Sicilian Closed  | 
                                                                                                                                                1/2-1/2 | B23 | |
| 2015.10.24 | Nieminen, K. (2119) vs (2113) Lammi, J. 31st ECC Open 2015 Irregular King's Pawn - Nimzovich (French)  | 
                                                                                                                                                0-1 | B00 | |
| 2015.10.22 | Nieminen, K. (2119) vs (2122) Gnichtel, G. 31st ECC Open 2015 Sicilian - Pelikan  | 
                                                                                                                                                1/2-1/2 | B33 | |
| 2015.10.21 | Barrett, S. (2214) vs (2119) Nieminen, K. 31st ECC Open 2015 Nimzo-Indian St. Petersburg Rubinstein - Simagin  | 
                                                                                                                                                1/2-1/2 | E46 | |
| 2015.10.19 | Nieminen, K. (2119) vs (1968) Van den Hoogen, Arie 31st ECC Open 2015 Spanish Berger - Keres  | 
                                                                                                                                                1/2-1/2 | C96 | |
| 2015.10.18 | Uksini, Bardhyl (2307) vs (2119) Nieminen, K. 31st ECC Open 2015 Bogo-Indian - Gruenfeld  | 
                                                                                                                                                1/2-1/2 | E11 | |
| 2016.12.10 | Puuska, H. (1926) vs (2148) Nieminen, S. TCh-FIN 2016-17 Indian Knight  | 
                                                                                                                                                1/2-1/2 | A46 | |
| 2016.12.10 | Nieminen, K. (2144) vs (2150) Kivipelto, KE. TCh-FIN 2016-17 Alekhine - Exchange  | 
                                                                                                                                                1/2-1/2 | B03 | |
| 2015.10.18 | Uksini, Bardhyl (2307) vs (2119) Nieminen, K. 31st ECC Open 2015 Bogo-Indian - Gruenfeld  | 
                                                                                                                                                1/2-1/2 | E11 | |
| 2018.04.18 | Nieminen, K (2117) vs (1907) Silva, Winston Joseph R 18th BCC Open 2018 Sicilian Scheveningen - Anderssen  | 
                                                                                                                                                1-0 | B83 | |
| 2015.09.13 | Nieminen, S. (2141) vs (2133) Von Wright, A. TCh-FIN 2015-16 Dutch Classical  | 
                                                                                                                                                1/2-1/2 | A96 | |
| 2015.09.12 | Manninen, A. (2101) vs (2141) Nieminen, S. TCh-FIN 2015-16 Nimzo-Indian St. Petersburg (Fischer)  | 
                                                                                                                                                0-1 | E44 | |
| 2016.11.12 | Nieminen, S. (2161) vs (1952) Jessen, Claus Qvist 32nd ECC Open 2016 Gruenfeld Exchange - Modern  | 
                                                                                                                                                1-0 | D85 | |
| 2016.11.11 | Nieminen, S. (2161) vs (1852) Loo, Bernd 32nd ECC Open 2016 Queen's Pawn Zukertort  | 
                                                                                                                                                1-0 | D02 | |
| 2016.11.09 | Dinev, De (2297) vs (2161) Nieminen, S. 32nd ECC Open 2016 Queen's Pawn Closed  | 
                                                                                                                                                1/2-1/2 | D04 | |
| 2016.11.08 | Vedder, R. (2208) vs (2161) Nieminen, S. 32nd ECC Open 2016 Caro-Kann - Advance (Short)  | 
                                                                                                                                                1/2-1/2 | B12 | |
| 2016.11.06 | Geller, J. (2488) vs (2161) Nieminen, S. 32nd ECC Open 2016 Caro-Kann - Advance (Short)  | 
                                                                                                                                                1-0 | B12 | |
| 2013.07.10 | Sulskis, S. (2559) vs (2132) Nieminen, K. 23rd Heart of FIN Sicilian Center Game - Smith-Morra  | 
                                                                                                                                                1-0 | B21 | |
| 2013.10.13 | Kilpi, T. (2123) vs (2094) Nieminen, S. TCh-FIN SM 2013-14 English Anglo-Indian (Queen's Knight) - Carls (Reversed Dragon)  | 
                                                                                                                                                1/2-1/2 | A22 | |
| 2013.10.12 | Nieminen, S. (2094) vs (2107) Saastamoinen, A. TCh-FIN SM 2013-14 Queen's Indian Fianchetto - Nimzovich  | 
                                                                                                                                                1/2-1/2 | E15 | |
| 2013.07.10 | Sulskis, S. (2559) vs (2132) Nieminen, K. 23rd Heart of FIN Sicilian Center Game - Smith-Morra  | 
                                                                                                                                                1-0 | B21 | |
| 2013.11.02 | Nieminen, S. (2094) vs (2122) Anttila, P. TCh-FIN SM 2013-14 Indian East Indian - Exchange  | 
                                                                                                                                                0-1 | D90 | |
| 2013.09.22 | Nieminen, S. (2094) vs (2062) Hartio, I. TCh-FIN SM 2013-14 Gruenfeld Exchange - Modern  | 
                                                                                                                                                1/2-1/2 | D85 | |
| 2013.09.21 | Rintakoski, Pentti (1887) vs (2094) Nieminen, S. TCh-FIN SM 2013-14 Caro-Kann - Advance (Short)  | 
                                                                                                                                                0-1 | B12 | |
| 2012.02.11 | Penttinen, J. (2272) vs (2145) Nieminen, K. TCh-FIN SM-Liiga 2011-12 Reti  | 
                                                                                                                                                1/2-1/2 | A04 | |
| 2012.10.27 | Nieminen, S. (2102) vs (2132) Fraser, S. TCh-FIN SM 2012-13 Queen's Pawn Zukertort - Neo-Gruenfeld (Schlechter)  | 
                                                                                                                                                1/2-1/2 | D70 | |
| 2012.09.29 | Toikkanen, V. (2089) vs (2140) Nieminen, K. TCh-FIN SM 2012-13 Nimzo-Indian Gligoric - Smyslov  | 
                                                                                                                                                1-0 | E54 | |
| 2011.10.16 | Kononen, K. (2247) vs (2087) Nieminen, S. TCh-FIN SM-Liiga 2011-12 Indian Knight  | 
                                                                                                                                                1/2-1/2 | A46 | |
| 2011.10.15 | Sievilainen, Tuomo vs (2087) Nieminen, S. TCh-FIN SM-Liiga 2011-12 Caro-Kann Knight Classical - Modern  | 
                                                                                                                                                1-0 | B18 | |
| 2013.01.12 | Nieminen, S. (2102) vs Kuro, Timo TCh-FIN SM 2012-13 Irregular Queen's Pawn - Franco-Indian  | 
                                                                                                                                                1-0 | A40 |