| 23 ago 2026 | Platonovs, Nikolajs 2206 | Laurusas, Tomas 2537 | 0-1 | B15 Defensa Caro-Kann | T1 International Rapid tournament | 49 | Ver |
| 21 ago 2026 | Sipila, Vilka 2474 | Platonovs, Nikolajs 2206 | 1-0 | A01 Ataque Nimzo-Larsen: Indian Variation | TalTech Rapid / Nõmme Open | 49 | Ver |
| 15 ago 2026 | Platonovs, Nikolajs 2188 | Savicevs, Arsenijs 2305 | ½-½ | B90 Defensa Siciliana: Najdorf Variation, English Attack | 2026. gada Latvijas čempionāts blicā | 64 | Ver |
| 15 ago 2026 | Savicevs, Arsenijs 2305 | Platonovs, Nikolajs 2188 | 1-0 | B90 Defensa Siciliana: Najdorf Variation, Adams Attack | 2026. gada Latvijas čempionāts blicā | 37 | Ver |
| 12 jul 2026 | Hellers, Ferdinand 2332 | Platonovs, Nikolajs 2201 | 1-0 | B90 Defensa Siciliana: Najdorf Variation, Adams Attack | (Rapid) Trenera Aivara Stašāna 5. piemiņas kauss 11.-12.07.2026. Ātrais šahs | 41 | Ver |
| 12 jul 2026 | Otrohovs, Maksims 2012 | Platonovs, Nikolajs 2201 | 0-1 | E05 Apertura Catalana: Open Defense, Classical Line | (Rapid) Trenera Aivara Stašāna 5. piemiņas kauss 11.-12.07.2026. Ātrais šahs | 30 | Ver |
| 11 jul 2026 | Platonovs, Nikolajs 2201 | Ligotnis, Maksims 2053 | 0-1 | B01 Defensa Escandinava: Marshall Variation | (Rapid) Trenera Aivara Stašāna 5. piemiņas kauss 11.-12.07.2026. Ātrais šahs | 21 | Ver |
| 9 jul 2026 | Platonovs, Nikolajs 2201 | Sivuk, Vitaly 2510 | 0-1 | B90 Defensa Siciliana: Scheveningen Variation, English Attack, with f3 | (Rapid) Trenera Aivara Stašāna 5. piemiņas kauss 11.-12.07.2026. Ātrais šahs | 44 | Ver |
| 26 jun 2026 | Marchand, Calix 2127 | Platonovs, Nikolajs 2240 | 1-0 | B22 Defensa Siciliana: Alapin Variation | FIDE World Youth Chess Championships 2026 | O14 | 114 | Ver |
| 25 jun 2026 | Platonovs, Nikolajs 2240 | Jalving, August 2340 | 1-0 | C90 Apertura Española (Ruy López): Closed, Pilnik Variation | FIDE World Youth Chess Championships 2026 | O14 | 40 | Ver |
| 24 jun 2026 | Diaz Guerrero, Jesus Daniel 2102 | Platonovs, Nikolajs 2240 | 0-1 | B93 Defensa Siciliana: Najdorf Variation, Amsterdam Variation | FIDE World Youth Chess Championships 2026 | O14 | 91 | Ver |
| 23 jun 2026 | Platonovs, Nikolajs 2240 | Tarasenko, Nazar 2075 | ½-½ | B28 Defensa Siciliana: O'Kelly Variation, Venice System | FIDE World Youth Chess Championships 2026 | O14 | 35 | Ver |
| 22 jun 2026 | Li, Changxing 2074 | Platonovs, Nikolajs 2240 | 0-1 | B51 Defensa Siciliana: Moscow Variation | FIDE World Youth Chess Championships 2026 | O14 | 83 | Ver |
| 20 jun 2026 | Platonovs, Nikolajs 2240 | Ragavan, Samarth Rajesh 2148 | 0-1 | B48 Defensa Siciliana: Taimanov Variation, Bastrikov Variation, English Attack | FIDE World Youth Chess Championships 2026 | O14 | 27 | Ver |
| 19 jun 2026 | Ivarlac, Vladislav 2096 | Platonovs, Nikolajs 2240 | 0-1 | E20 Defensa Nimzoindia: Kmoch Variation | FIDE World Youth Chess Championships 2026 | O14 | 31 | Ver |
| 16 jun 2026 | Platonovs, Nikolajs 2240 | Sanchir, Munkhbat 2037 | 0-1 | C63 Apertura Española (Ruy López): Schliemann Defense | FIDE World Youth Chess Championships 2026 | O14 | 50 | Ver |
| 7 jun 2026 | Platonovs, Nikolajs 2130 | Golubovskis, Maksims 2187 | 0-1 | B48 Defensa Siciliana: Taimanov Variation, Bastrikov Variation, English Attack | Tournament of the Baltic Countries (Blitz) | 41 | Ver |
| 7 jun 2026 | Volodin, Aleksandr 2433 | Platonovs, Nikolajs 2130 | 1-0 | E05 Apertura Catalana: Open Defense, Classical Line | Tournament of the Baltic Countries (Blitz) | 54 | Ver |
| 6 jun 2026 | Tolmacevs,Artjoms 2332 | Platonovs, Nikolajs 2208 | 1-0 | B23 Defensa Siciliana: Closed, Carlsen Variation | Tournament of the Baltic Countries | 68 | Ver |
| 6 jun 2026 | Sveshnikov, Vladimir 2389 | Platonovs, Nikolajs 2208 | 1-0 | B22 Defensa Siciliana: Alapin Variation | Tournament of the Baltic Countries | 43 | Ver |