| 7 jun 2026 | Laubsch, Bernd 2167 | Weigand, Anton 2188 | ½-½ | B30 Defensa Siciliana: Old Sicilian | Pokalmannschaftsmeisterschaft Niedersachsen/Bremen | 57 | Ver |
| 6 jun 2026 | Weigand, Anton 2188 | Bredemeier, Dirk 2226 | ½-½ | C18 Defensa Francesa: Winawer Variation, Portisch-Hook Variation | Pokalmannschaftsmeisterschaft Niedersachsen/Bremen | 38 | Ver |
| 6 jun 2026 | Mueller, Alfred Helmut 2040 | Weigand, Anton 2188 | 1-0 | D30 Gambito de Dama rehusado: Traditional Variation | Pokalmannschaftsmeisterschaft Niedersachsen/Bremen | 56 | Ver |
| 29 may 2026 | Weigand, Anton 2174 | Hess, Max 2388 | 1-0 | B11 Defensa Caro-Kann: Two Knights Attack, Mindeno Variation | Munich Chess Festival 2026 | Open A | 44 | Ver |
| 28 may 2026 | Weigand, Anton 2174 | Stelmaszyk, Nico 2359 | 1-0 | C54 Apertura Italiana: Classical Variation, Giuoco Pianissimo | Munich Chess Festival 2026 | Open A | 51 | Ver |
| 27 may 2026 | Balaji, Aaravamudhan 2304 | Weigand, Anton 2174 | 0-1 | E54 Defensa Nimzoindia: Normal Variation, Gligoric System, Exchange Variation | Munich Chess Festival 2026 | Open A | 33 | Ver |
| 27 may 2026 | Weigand, Anton 2174 | Vaidyanathan, Adithya 2334 | 1-0 | B62 Defensa Siciliana: Richter-Rauzer Variation | Munich Chess Festival 2026 | Open A | 73 | Ver |
| 25 may 2026 | Noe, Christopher 2517 | Weigand, Anton 2174 | 1-0 | A20 Apertura Inglesa: King's English Variation | Munich Chess Festival 2026 | Open A | 35 | Ver |
| 23 may 2026 | Ben Ari, Yannay 2468 | Weigand, Anton 2174 | 1-0 | A20 Apertura Inglesa: King's English Variation | Munich Chess Festival 2026 | Open A | 36 | Ver |
| 15 may 2026 | Lauber, Arnd 2387 | Weigand, Anton 2174 | 1-0 | E49 Defensa Nimzoindia: Normal Variation, Botvinnik System | Rudolf Teschner Memorial 2026 | 40 | Ver |
| 31 mar 2026 | Ten Dam, Bram 2357 | Weigand, Anton 2189 | 1-0 | B24 Defensa Siciliana: Closed | Runde 9: Ten Dam, Bram - Weigand, Anton | 42 | Ver |
| 27 mar 2026 | Koellner, Ruben Gideon 2514 | Weigand, Anton 2189 | 1-0 | A46 Defensa India: Knights Variation | Runde 1: Koellner, Ruben Gideon - Weigand, Anton | 39 | Ver |
| 5 ene 2026 | Weigand, Anton 2233 | Bargsten, Justus 2283 | ½-½ | B32 Defensa Siciliana: Kalashnikov Variation | Runde 7: Weigand, Anton - Bargsten, Justus | 25 | Ver |
| 4 ene 2026 | Weigand, Anton 2233 | Peters, Tom 2155 | 0-1 | B22 Defensa Siciliana: Alapin Variation | Runde 6: Weigand, Anton - Peters, Tom | 33 | Ver |
| 4 ene 2026 | Tonndorf, Matthias 2163 | Weigand, Anton 2233 | ½-½ | A07 Ataque Indio de Rey | Runde 5: Tonndorf, Matthias - Weigand, Anton | 28 | Ver |
| 3 ene 2026 | Weigand, Anton 2233 | Bundan, Edward 2103 | 0-1 | B33 Defensa Siciliana: Lasker-Pelikan Variation | Runde 4: Weigand, Anton - Bundan, Edward | 47 | Ver |
| 3 ene 2026 | Plischki, Sebastian 2282 | Weigand, Anton 2233 | ½-½ | E46 Defensa Nimzoindia: Normal Variation | Runde 3: Plischki, Sebastian - Weigand, Anton | 53 | Ver |
| 2 ene 2026 | Weigand, Anton 2233 | Voege, Tobias 2307 | ½-½ | C11 Defensa Francesa: Classical Variation, Burn Variation, Morozevich Line | Runde 2: Weigand, Anton - Voege, Tobias | 28 | Ver |
| 1 nov 2025 | Weigand, Anton 2204 | Avdic, Faris 2270 | ½-½ | B75 Defensa Siciliana: Dragon Variation, Yugoslav Attack, Hungarian Dragon | Runde 7: Weigand, Anton - Avdic, Faris | 26 | Ver |
| 1 nov 2025 | Kummerow, Heiko 2107 | Weigand, Anton 2204 | 0-1 | B33 Defensa Siciliana: Lasker-Pelikan Variation, Sveshnikov Variation | Runde 6: Kummerow, Heiko - Weigand, Anton | 32 | Ver |