| 31 ago 2026 | Koehalmi-Szabo, Mihaly 2198 | Hasenohr, Benedict 2252 | 0-1 | C02 Defensa Francesa: Advance Variation, Euwe Variation | SUI-chT Wollishofen-Winterthur | 51 | Ver |
| 31 ago 2026 | Gautier, Selvan 2267 | Koehalmi-Szabo, Mihaly 2198 | 1-0 | B32 Defensa Siciliana: Kalashnikov Variation | SUI-chT Nyon-Wollishofen | 37 | Ver |
| 19 jul 2026 | Koehalmi-Szabo, Mihaly 2174 | Lou, Vincent 2205 | 1-0 | B90 Defensa Siciliana: Najdorf Variation, English Attack | Swiss Individual Championships 2026 | Masters | 61 | Ver |
| 17 jul 2026 | Saminskij, Jan 2301 | Koehalmi-Szabo, Mihaly 2174 | ½-½ | B32 Defensa Siciliana: Kalashnikov Variation | Swiss Individual Championships 2026 | Masters | 81 | Ver |
| 16 jul 2026 | Koehalmi-Szabo, Mihaly 2174 | Heerd, Thomas 2070 | 1-0 | B07 Czech Defense | Swiss Individual Championships 2026 | Masters | 24 | Ver |
| 13 jul 2026 | Hofstetter, Noah 2002 | Koehalmi-Szabo, Mihaly 2174 | 1-0 | B30 Defensa Siciliana: Closed, Anti-Sveshnikov Variation, with d6 | Swiss Individual Championships 2026 | Masters | 42 | Ver |
| 23 jun 2026 | Koehalmi-Szabo, Mihaly 2222 | Kurmann, Oliver 2356 | ½-½ | B45 Defensa Siciliana: Four Knights Variation | SUI-chT Wollishofen-Luzern | 65 | Ver |
| 23 jun 2026 | Koehalmi-Szabo, Mihaly 2222 | Georgiadis, Ioannis 2483 | 0-1 | C26 Apertura Vienesa: Falkbeer Variation | SUI-chT Wollishofen-Riehen | 42 | Ver |
| 3 jun 2026 | Koehalmi-Szabo, Mihaly 2174 | Stojanovic, Mihajlo 2401 | ½-½ | B14 Defensa Caro-Kann: Panov Attack, Main Line | Swiss Individual Championships 2026 | Masters | 38 | Ver |
| 25 may 2026 | Pellegrini, Noah 2077 | Koehalmi-Szabo, Mihaly 2226 | 0-1 | B30 Defensa Siciliana: Nyezhmetdinov-Rossolimo Attack | Swiss Youth Championship 2026 U16 | 47 | Ver |
| 24 may 2026 | Koehalmi-Szabo, Mihaly 2226 | Federer, Colin 2372 | ½-½ | B90 Defensa Siciliana: Najdorf Variation, English Attack | Swiss Youth Championship 2026 U16 | 54 | Ver |
| 24 may 2026 | Koehalmi-Szabo, Mihaly 2226 | Jordan, Theodor 2029 | 1-0 | B13 Defensa Caro-Kann: Panov Attack | Swiss Youth Championship 2026 U16 | 45 | Ver |
| 23 may 2026 | Piacquadio, Riccardo Daniele 2070 | Koehalmi-Szabo, Mihaly 2226 | 0-1 | D34 Defensa Tarrasch: Classical Variation, Réti Variation | Swiss Youth Championship 2026 U16 | 69 | Ver |
| 22 may 2026 | Pfaltz, Maximilian 2086 | Koehalmi-Szabo, Mihaly 2226 | ½-½ | B30 Defensa Siciliana: Closed, Anti-Sveshnikov Variation, with d6 | Swiss Youth Championship 2026 U16 | 53 | Ver |
| 21 abr 2026 | Koehalmi-Szabo, Mihaly 2200 | Gantner, Matthias 2295 | 1-0 | C26 Apertura Vienesa: Falkbeer Variation | SMM NLA 2026 | 26 | Ver |
| 3 abr 2026 | Barp, Alberto 2435 | Koehalmi-Szabo, Mihaly 2200 | 1-0 | D30 Gambito de Dama rehusado: Tarrasch Defense, Pseudo-Tarrasch | Grenke Chess Festival 2026 Open | 23 | Ver |
| 23 mar 2026 | Koehalmi-Szabo, Mihaly 2226 | Kanana, Ziad 2116 | 0-1 | C26 Apertura Vienesa: Falkbeer Variation | Swiss Youth Championship 2026 U16 | 52 | Ver |
| 17 mar 2026 | Aeschbacher, Dimitri 2185 | Koehalmi-Szabo, Mihaly 2201 | ½-½ | B30 Defensa Siciliana: Closed, Anti-Sveshnikov Variation, with Nf6 | SUI-chT Geneve-Wollishofen | 66 | Ver |
| 19 oct 2025 | Piacquadio, Riccardo Daniele 2076 | Koehalmi-Szabo, Mihaly 2078 | ½-½ | D34 Defensa Tarrasch: Classical Variation, Réti Variation | new tournament description | 30 | Ver |
| 19 oct 2025 | Koehalmi-Szabo, Mihaly 2078 | Schoenbaechler, Anselm 2054 | 1-0 | B40 Defensa Siciliana: Kramnik Variation | new tournament description | 51 | Ver |