| 29 jun 2026 | Alvarez Gonzalez, David 2127 | Demchenko, Timofei 2019 | ½-½ | C02 Defensa Francesa: Advance Variation, Paulsen Attack | Campeonato España Selecciones Autonómicas SUB-14 y SUB-16 | U14 | 50 | Ver |
| 24 jun 2026 | Demchenko, Timofei 2006 | Barcelo Melnyk, Marc 2215 | 0-1 | B50 Defensa Siciliana: Modern Variations | CE SUB10.Vicar 26 | 68 | Ver |
| 5 nov 2025 | Andre, Tomas 2113 | Demchenko, Timofei 2075 | 1-0 | C11 Defensa Francesa: Classical Variation, Burn Variation, Morozevich Line | European Youth Chess Championship 2025 | U10 | 23 | Ver |
| 21 sep 2025 | Demchenko, Timofei 2069 | Horcajada Reales, Guillermo 2085 | 0-1 | C01 Defensa Francesa: Exchange Variation | San Miguek | 60 | Ver |
| 20 sep 2025 | Revilla Rio, Francisco 2080 | Demchenko, Timofei 2069 | 0-1 | A01 Ataque Nimzo-Larsen: Classical Variation | San Miguek | 37 | Ver |