| 26 jun 2026 | Csonka, Attila Istvan 2267 | Nemeth, Zalan 2261 | ½-½ | B53 Defensa Siciliana: Chekhover Variation | 5RigoJanos_Memorial_IM-A | 30 | Ver |
| 25 jun 2026 | Kukushkin, Ivan 2138 | Csonka, Attila Istvan 2267 | ½-½ | B48 Defensa Siciliana: Taimanov Variation, Bastrikov Variation, English Attack | 5RigoJanos_Memorial_IM-A | 21 | Ver |
| 24 jun 2026 | Csonka, Attila Istvan 2267 | Sanjay, Vasu 2030 | ½-½ | B40 Defensa Siciliana: French Variation, Westerinen Attack | 5RigoJanos_Memorial_IM-A | 10 | Ver |
| 24 jun 2026 | Karwowski, Kacper 2276 | Csonka, Attila Istvan 2267 | ½-½ | B41 Defensa Siciliana: Kan Variation, Maróczy Bind, Réti Variation | 5RigoJanos_Memorial_IM-A | 42 | Ver |
| 22 jun 2026 | Polyik, Peter 2332 | Csonka, Attila Istvan 2267 | 1-0 | B16 Defensa Caro-Kann: Bronstein-Larsen Variation | 5RigoJanos_Memorial_IM-A | 16 | Ver |
| 22 jun 2026 | Csonka, Attila Istvan 2267 | Apro, Barnabas 2130 | ½-½ | B52 Defensa Siciliana: Moscow Variation, Main Line | 5RigoJanos_Memorial_IM-A | 22 | Ver |
| 21 jun 2026 | Czebe, Attila 2328 | Csonka, Attila Istvan 2267 | ½-½ | B19 Defensa Caro-Kann: Classical Variation, Spassky Variation | 5RigoJanos_Memorial_IM-A | 9 | Ver |
| 20 jun 2026 | Csonka, Attila Istvan 2267 | Latorre, Vincent 2240 | ½-½ | C54 Apertura Italiana: Classical Variation, Giuoco Pianissimo | 5RigoJanos_Memorial_IM-A | 9 | Ver |
| 19 may 2026 | Csonka, Attila Istvan 2267 | Pasztor, Balazs 2421 | ½-½ | B53 Defensa Siciliana: Chekhover Variation | 5RigoJanos_Memorial_IM-A | 6 | Ver |
| 8 may 2026 | Meszaros-Csonka, David 2112 | Csonka, Attila Istvan 2273 | 1-0 | A45 Ataque Trompowsky | Hungarian Superleague 2025/26 | 37 | Ver |
| 23 abr 2026 | Skreko, Igor 2205 | Csonka, Attila Istvan 2271 | 1-0 | E46 Defensa Nimzoindia: Normal Variation | SVK Extraliga 2024/2025 | 60 | Ver |
| 23 abr 2026 | Csonka, Attila Istvan 2271 | Federic, Jozef 2224 | ½-½ | B30 Defensa Siciliana: Old Sicilian | SVK Extraliga 2024/2025 | 74 | Ver |
| 23 abr 2026 | Csonka, Attila Istvan 2271 | Elias, David 2273 | ½-½ | C01 Defensa Francesa: Exchange Variation | SVK Extraliga 2024/2025 | 44 | Ver |
| 23 abr 2026 | Hrabusa, Matej 2371 | Csonka, Attila Istvan 2271 | 1-0 | E28 Defensa Nimzoindia: Sämisch Variation | SVK Extraliga 2024/2025 | 74 | Ver |
| 23 abr 2026 | Csonka, Attila Istvan 2271 | Urhegyi, Marton 2361 | ½-½ | A22 Apertura Inglesa: Carls-Bremen System | SVK Extraliga 2024/2025 | 49 | Ver |
| 23 abr 2026 | Lipka, Juraj 2340 | Csonka, Attila Istvan 2271 | ½-½ | A07 Ataque Indio de Rey: Yugoslav Variation | SVK Extraliga 2024/2025 | 16 | Ver |
| 24 oct 2025 | Csonka, Attila Istvan 2301 | Olcum, Ahmet 2221 | 0-1 | B45 Defensa Siciliana: Four Knights Variation, Cobra Variation | European Chess Club Cup 2025 | Open Matches 17+ | 31 | Ver |
| 23 oct 2025 | Csonka, Attila Istvan 2301 | Reuker, Jari 2390 | ½-½ | B19 Defensa Caro-Kann: Classical Variation, Lobron System | European Chess Club Cup 2025 | Open Matches 1-16 | 38 | Ver |
| 21 oct 2025 | Csonka, Attila Istvan 2301 | Budima, Armend 2169 | 1-0 | B50 Defensa Siciliana: Delayed Alapin Variation, with d6 | European Chess Club Cup 2025 | Open Matches 1-16 | 35 | Ver |
| 20 oct 2025 | Yilmaz, Mustafa 2591 | Csonka, Attila Istvan 2301 | 1-0 | D38 Gambito de Dama rehusado: Ragozin Defense | European Chess Club Cup 2025 | Open Matches 1-16 | 41 | Ver |