| 4 jul 2026 | Bende, Tobias 2137 | Nilsson, Oliver 2195 | 1-0 | B96 Defensa Siciliana: Najdorf Variation | Schack-SM 2026 | Mästarklassen | 60 | Ver |
| 3 jul 2026 | Nilsson, Oliver 2195 | Bergman, Nils 2137 | 0-1 | D20 Gambito de Dama aceptado: Central Variation, Greco Variation | Schack-SM 2026 | Mästarklassen | 27 | Ver |
| 2 jul 2026 | Strand, Sixten 2115 | Nilsson, Oliver 2195 | ½-½ | C11 Defensa Francesa: Steinitz Variation, Boleslavsky Variation | Schack-SM 2026 | Mästarklassen | 41 | Ver |
| 2 jul 2026 | Nilsson, Oliver 2195 | Nygren, David 2073 | 1-0 | C17 Defensa Francesa: Winawer Variation, Bogoljubow Variation | Schack-SM 2026 | Mästarklassen | 39 | Ver |
| 1 jul 2026 | Nilsson, Oliver 2195 | Arman, Deniz 2370 | 0-1 | B01 Defensa Escandinava: Gubinsky-Melts Defense | Schack-SM 2026 | SM-Blixten | 40 | Ver |
| 1 jul 2026 | Nilsson, Oliver 2195 | Malm Lindberg, Henrik 2141 | 1-0 | B23 Defensa Siciliana: Closed, Traditional | Schack-SM 2026 | SM-Blixten | 46 | Ver |
| 1 jul 2026 | Nilsson, Oliver 2195 | Sandberg, Lucas 2305 | 0-1 | B81 Defensa Siciliana: Scheveningen Variation, Keres Attack | Schack-SM 2026 | SM-Blixten | 46 | Ver |
| 1 jul 2026 | Dingertz, Gustav 2101 | Nilsson, Oliver 2195 | ½-½ | B90 Defensa Siciliana: Najdorf Variation, English Attack | Schack-SM 2026 | Mästarklassen | 69 | Ver |
| 30 jun 2026 | Nilsson, Oliver 2195 | Dingertz, Filip 2115 | 0-1 | C45 Apertura Escocesa: Mieses Variation | Schack-SM 2026 | Mästarklassen | 51 | Ver |
| 29 jun 2026 | Johansson, Ulf 1966 2078 | Nilsson, Oliver 2195 | 0-1 | B53 Defensa Siciliana: Chekhover Variation | Schack-SM 2026 | Mästarklassen | 40 | Ver |
| 28 jun 2026 | Nilsson, Oliver 2195 | Ljung, Harald 2121 | 0-1 | B38 Defensa Siciliana: Accelerated Dragon, Maróczy Bind | Schack-SM 2026 | Mästarklassen | 47 | Ver |
| 27 jun 2026 | Cramling Bellon, Anna 2106 | Nilsson, Oliver 2195 | 0-1 | E71 Defensa India de Rey: Makogonov Variation | Schack-SM 2026 | Mästarklassen | 71 | Ver |
| 8 feb 2026 | Nilsson, Oliver 2220 | Fransson, Patrick 2118 | 0-1 | D11 Defensa Eslava: Modern Line | Elite Hotels Open 2026 | 59 | Ver |
| 8 feb 2026 | Wahlstrom, Lennart 2039 | Nilsson, Oliver 2220 | 0-1 | B85 Defensa Siciliana: Scheveningen Variation, Classical Main Line | Elite Hotels Open 2026 | 30 | Ver |
| 7 feb 2026 | Nilsson, Oliver 2220 | Eriksson, Kristian 2045 | ½-½ | E28 Defensa Nimzoindia: Sämisch Variation | Elite Hotels Open 2026 | 40 | Ver |
| 7 feb 2026 | Rasti, Arvin 2243 | Nilsson, Oliver 2220 | 1-0 | A16 Apertura Inglesa: Anglo-Indian Defense, Queen's Knight Variation | Elite Hotels Open 2026 | 47 | Ver |
| 6 feb 2026 | Nilsson, Oliver 2220 | Kallen, Jonas 2104 | 1-0 | D43 Defensa Semieslava: Moscow Variation | Elite Hotels Open 2026 | 47 | Ver |
| 6 feb 2026 | Lindholm, Gustav 2080 | Nilsson, Oliver 2220 | ½-½ | D78 Defensa Neogrünfeld: Classical Variation, Original Defense | Elite Hotels Open 2026 | 31 | Ver |
| 18 ene 2026 | Fendrich, David 2213 | Nilsson, Oliver 2186 | 0-1 | A11 Apertura Réti: Anglo-Slav Variation, with g3 | Rond 6: Fendrich, David - Nilsson, Oliver | 52 | Ver |
| 18 ene 2026 | Arnelind, Mikael 2157 | Nilsson, Oliver 2186 | 0-1 | D86 Defensa Grünfeld: Exchange Variation, Classical Variation | Rond 5: Arnelind, Mikael - Nilsson, Oliver | 38 | Ver |