| 12 jul 2026 | Englert, Luca 2291 | Meszaros-Csonka, David 2180 | 1-0 | B51 Defensa Siciliana: Moscow Variation | 2nd Arpad-hazi Jolan Open | 79 | Ver |
| 11 jul 2026 | Meszaros-Csonka, David 2180 | Dobai, Szabolcs 2067 | 1-0 | B13 Defensa Caro-Kann: Exchange Variation, Rubinstein Variation | 2nd Arpad-hazi Jolan Open | 24 | Ver |
| 11 jul 2026 | Abheek Bhatt 2085 | Meszaros-Csonka, David 2180 | ½-½ | B51 Defensa Siciliana: Moscow Variation | 2nd Arpad-hazi Jolan Open | 22 | Ver |
| 10 jul 2026 | Meszaros-Csonka, David 2180 | Szabo, Abel 2091 | 0-1 | A45 Ataque Trompowsky | 2nd Arpad-hazi Jolan Open | 65 | Ver |
| 9 jul 2026 | Fellegi, Zoltan 2044 | Meszaros-Csonka, David 2180 | 0-1 | B32 Defensa Siciliana: O'Kelly Variation, Maróczy Bind, Geller Line | 2nd Arpad-hazi Jolan Open | 26 | Ver |
| 19 may 2026 | Meszaros-Csonka, David 2180 | Aczel, Gergely 2429 | 0-1 | B13 Defensa Caro-Kann: Exchange Variation, Rubinstein Variation | 2nd Arpad-hazi Jolan Open | 65 | Ver |
| 9 may 2026 | Szegedy, Matyas 2203 | Meszaros-Csonka, David 2112 | ½-½ | B51 Defensa Siciliana: Moscow Variation | Hungarian Superleague 2025/26 | 33 | Ver |
| 8 may 2026 | Meszaros-Csonka, David 2112 | Csonka, Attila Istvan 2273 | 1-0 | A45 Ataque Trompowsky | Hungarian Superleague 2025/26 | 37 | Ver |
| 10 abr 2026 | Meszaros-Csonka, David 2079 | Ma, Guangxianzhao 2049 | 1-0 | B30 Defensa Siciliana: Nyezhmetdinov-Rossolimo Attack | Hungarian Youth Championship 2026, Boys | 29 | Ver |
| 9 abr 2026 | Li, Changxing 2006 | Meszaros-Csonka, David 2079 | ½-½ | B32 Defensa Siciliana: O'Kelly Variation, Maróczy Bind, Geller Line | Hungarian Youth Championship 2026, Boys | 37 | Ver |
| 9 abr 2026 | Meszaros-Csonka, David 2079 | Papai, Mate 2028 | ½-½ | B41 Defensa Siciliana: Kan Variation, Maróczy Bind, Réti Variation | Hungarian Youth Championship 2026, Boys | 21 | Ver |
| 26 oct 2025 | Lehocz, Jozsef Jr. 2166 | Meszaros-Csonka, David 2184 | ½-½ | B20 Defensa Siciliana: Czerniak Attack | Magyar Nemzeti Ifjúsági Sakk Csapatbajnokság | 138 | Ver |
| 25 oct 2025 | Nandin-Erdene, Davaademberel 2057 | Meszaros-Csonka, David 2184 | 1-0 | A07 King's Indian Attack, with Bf5 | Magyar Nemzeti Ifjúsági Sakk Csapatbajnokság | 37 | Ver |
| 25 oct 2025 | Meszaros-Csonka, David 2184 | Papai, Mate 2074 | ½-½ | D00 Apertura de Peón de Dama: Levitsky Attack | Magyar Nemzeti Ifjúsági Sakk Csapatbajnokság | 24 | Ver |
| 24 oct 2025 | Pasti, Zsombor 2055 | Meszaros-Csonka, David 2184 | 1-0 | D11 Defensa Eslava: Quiet Variation, Pin Defense | Magyar Nemzeti Ifjúsági Sakk Csapatbajnokság | 64 | Ver |
| 28 sep 2025 | Gathi, Donat 2340 | Meszaros-Csonka, David 2182 | 1-0 | B32 Defensa Siciliana: O'Kelly Variation, Maróczy Bind, Geller Line | Edeleny Chess Meeting 2025 | 48 | Ver |
| 27 sep 2025 | Meszaros-Csonka, David 2182 | Asici, Poyraz Efe 2005 | 1-0 | A45 Ataque Trompowsky | Edeleny Chess Meeting 2025 | 53 | Ver |
| 27 sep 2025 | Paprocki, Jaroslaw 2135 | Meszaros-Csonka, David 2182 | 0-1 | B32 Defensa Siciliana: O'Kelly Variation, Maróczy Bind, Geller Line | Edeleny Chess Meeting 2025 | 52 | Ver |
| 26 sep 2025 | Meszaros-Csonka, David 2182 | Videki, Sandor 2348 | 0-1 | B13 Defensa Caro-Kann: Exchange Variation | Edeleny Chess Meeting 2025 | 30 | Ver |
| 26 sep 2025 | Turcsanyi, Vince Gergo 2283 | Meszaros-Csonka, David 2182 | ½-½ | A11 Apertura Réti: Anglo-Slav Variation, Gurevich System | Edeleny Chess Meeting 2025 | 51 | Ver |