| 31 ago 2026 | Schlegel, Igor 2244 | Saminskij, Jan 2313 | ½-½ | C54 Apertura Italiana: Classical Variation, Giuoco Pianissimo | SUI-chT Winterthur-Wollishofen | 48 | Ver |
| 31 ago 2026 | Saminskij, Jan 2313 | Iwanesko, Alexandre 2150 | 1-0 | A05 Ataque Indio de Rey: Symmetrical Defense | SUI-chT Wollishofen-Nyon | 57 | Ver |
| 18 jul 2026 | Kasipour Azbari, Seyed Arvin 2133 | Saminskij, Jan 2301 | 0-1 | C02 Defensa Francesa: Advance Variation, Euwe Variation | Swiss Individual Championships 2026 | Masters | 41 | Ver |
| 17 jul 2026 | Saminskij, Jan 2301 | Koehalmi-Szabo, Mihaly 2174 | ½-½ | B32 Defensa Siciliana: Kalashnikov Variation | Swiss Individual Championships 2026 | Masters | 81 | Ver |
| 16 jul 2026 | Salzgeber, Frank 2094 | Saminskij, Jan 2301 | 0-1 | D35 Gambito de Dama rehusado: Exchange Variation, Positional Variation | Swiss Individual Championships 2026 | Masters | 56 | Ver |
| 15 jul 2026 | Saminskij, Jan 2301 | Beerdsen, Thomas 2504 | 0-1 | B32 Defensa Siciliana: Godiva Variation | Swiss Individual Championships 2026 | Masters | 61 | Ver |
| 14 jul 2026 | Loetscher, Roland 2340 | Saminskij, Jan 2301 | ½-½ | A13 Apertura Inglesa: Agincourt Defense, Catalan Defense Accepted | Swiss Individual Championships 2026 | Masters | 33 | Ver |
| 13 jul 2026 | Saminskij, Jan 2301 | Curien, Nicolas 2133 | 1-0 | A05 Ataque Indio de Rey | Swiss Individual Championships 2026 | Masters | 37 | Ver |
| 12 jul 2026 | Gontsul, Artem 2164 | Saminskij, Jan 2301 | 0-1 | C02 Defensa Francesa: Advance Variation, Euwe Variation | Swiss Individual Championships 2026 | Masters | 38 | Ver |
| 11 jul 2026 | Saminskij, Jan 2301 | Klings, Peter 2057 | ½-½ | B06 Defensa Moderna: Two Knights Variation | Swiss Individual Championships 2026 | Masters | 91 | Ver |
| 23 jun 2026 | Saminskij, Jan 2234 | Mattenberger, Matthias 2353 | ½-½ | B94 Defensa Siciliana: Najdorf Variation | SUI-chT Wollishofen-Luzern | 21 | Ver |
| 23 jun 2026 | Saminskij, Jan 2234 | Demuth, Adrien 2523 | ½-½ | B06 Defensa Moderna: Standard Defense | SUI-chT Wollishofen-Riehen | 31 | Ver |
| 3 jun 2026 | Stojanovic, Mihajlo 2401 | Saminskij, Jan 2301 | ½-½ | B40 Defensa Siciliana: Kramnik Variation | Swiss Individual Championships 2026 | Masters | 31 | Ver |
| 17 may 2026 | Saminskij, Jan 2162 | Cervelli, Eduard 2255 | ½-½ | B51 Defensa Siciliana: Moscow Variation | Schweizer Bundesturnier 2026 | 38 | Ver |
| 16 may 2026 | Gemelli,Romain 2249 | Saminskij, Jan 2162 | ½-½ | E07 Apertura Catalana: Closed, Botvinnik Variation | Schweizer Bundesturnier 2026 | 39 | Ver |
| 15 may 2026 | Fischer, Daniel 2366 | Saminskij, Jan 2162 | 1-0 | C11 Defensa Francesa: Classical Variation | Schweizer Bundesturnier 2026 | 69 | Ver |
| 21 abr 2026 | Wyss, Jonas 2256 | Saminskij, Jan 2241 | ½-½ | C02 Defensa Francesa: Advance Variation, Euwe Variation | SMM NLA 2026 | 50 | Ver |
| 3 abr 2026 | Saminskij, Jan 2241 | Engel, Luis 2594 | ½-½ | C55 Apertura Italiana: Two Knights Defense, Modern Bishop's Opening | Grenke Chess Festival 2026 Open | 44 | Ver |
| 23 mar 2026 | Aeschbacher, Dimitri 2101 | Saminskij, Jan 2162 | 1-0 | B42 Defensa Siciliana: Kan Variation, Polugaevsky Variation | Swiss Youth Championship 2026 U14 | 57 | Ver |
| 23 mar 2026 | Palairet, Alexander 2012 | Saminskij, Jan 2162 | 0-1 | D35 Gambito de Dama rehusado: Exchange Variation | Swiss Youth Championship 2026 U14 | 60 | Ver |