| 4 jul 2026 | Olsson, Linus 2232 | Wiedenkeller, Michael 2393 | ½-½ | E00 Apertura Catalana | Schack-SM 2026 | Mästar-Elit | 23 | Ver |
| 3 jul 2026 | Wiedenkeller, Michael 2393 | Lindgren, Philip 2358 | ½-½ | E38 Defensa Nimzoindia: Classical Variation, Berlin Variation | Schack-SM 2026 | Mästar-Elit | 60 | Ver |
| 2 jul 2026 | Lindberg, Bengt 2280 | Wiedenkeller, Michael 2393 | ½-½ | C67 Apertura Española (Ruy López): Berlin Defense, Rio Gambit Accepted | Schack-SM 2026 | Mästar-Elit | 13 | Ver |
| 30 jun 2026 | Wiedenkeller, Michael 2393 | Carlsson, Ludvig 2427 | 0-1 | E32 Defensa Nimzoindia: Classical Variation | Schack-SM 2026 | Mästar-Elit | 50 | Ver |
| 29 jun 2026 | Cederstam, Carl 2365 | Wiedenkeller, Michael 2393 | ½-½ | C67 Apertura Española (Ruy López): Berlin Defense, Rio Gambit Accepted | Schack-SM 2026 | Mästar-Elit | 30 | Ver |
| 28 jun 2026 | Wiedenkeller, Michael 2393 | Ernst, Thomas 2247 | ½-½ | E34 Defensa Nimzoindia: Classical Variation, Noa Variation | Schack-SM 2026 | Mästar-Elit | 25 | Ver |
| 27 jun 2026 | Wiedenkeller, Michael 2393 | Akesson, Ralf 2317 | ½-½ | E60 Defensa India de Rey: Fianchetto Variation, Immediate Fianchetto | Schack-SM 2026 | Mästar-Elit | 24 | Ver |
| 24 jun 2026 | Wiedenkeller, Michael 2393 | Engqvist, Thomas 2311 | 0-1 | E38 Defensa Nimzoindia: Classical Variation, Berlin Variation | Schack-SM 2026 | Mästar-Elit | 68 | Ver |
| 24 jun 2026 | Landgren, Andreas 2213 | Wiedenkeller, Michael 2393 | ½-½ | D38 Gambito de Dama rehusado: Ragozin Defense | Schack-SM 2026 | Mästar-Elit | 33 | Ver |
| 23 may 2026 | Seiger, Vidar 2313 | Wiedenkeller, Michael 2400 | ½-½ | A28 Apertura Inglesa: King's English Variation, Four Knights Variation, Quiet Line | 7th IM tournament \"Hotel Stockholm North | 16 | Ver |
| 22 may 2026 | Wiedenkeller, Michael 2400 | Advaitt Srikant Koduri 2191 | ½-½ | D10 Defensa Eslava: Exchange Variation | 7th IM tournament \"Hotel Stockholm North | 50 | Ver |
| 21 may 2026 | Wernberg, Hugo 2301 | Wiedenkeller, Michael 2400 | ½-½ | A45 Defensa India: Accelerated London System | 7th IM tournament \"Hotel Stockholm North | 38 | Ver |
| 20 may 2026 | Wiedenkeller, Michael 2400 | Miezis, Normunds 2418 | ½-½ | A30 Apertura Inglesa: Symmetrical Variation | 7th IM tournament \"Hotel Stockholm North | 18 | Ver |
| 19 may 2026 | Wiedenkeller, Michael 2400 | Nasta, Kiren Vivek 2188 | ½-½ | D32 Defensa Tarrasch: Symmetrical Variation | 7th IM tournament \"Hotel Stockholm North | 44 | Ver |
| 19 may 2026 | Panjer, Sidney 2294 | Wiedenkeller, Michael 2400 | ½-½ | E04 Apertura Catalana: Open Defense | 7th IM tournament \"Hotel Stockholm North | 21 | Ver |
| 18 may 2026 | Wiedenkeller, Michael 2400 | Wang, Hao(ZJ) 2426 | ½-½ | B14 Defensa Caro-Kann: Panov Attack, Main Line | 7th IM tournament \"Hotel Stockholm North | 21 | Ver |
| 3 may 2026 | Ask, Josef 2020 | Wiedenkeller, Michael 2400 | 0-1 | C30 Gambito de Rey rehusado: Classical Variation | Tyresö Open 2026 | 32 | Ver |
| 3 may 2026 | Wiedenkeller, Michael 2400 | Bergman, Nils 2120 | ½-½ | A19 Apertura Inglesa: Anglo-Indian Defense, Flohr-Mikenas-Carls Variation, Nei Gambit | Tyresö Open 2026 | 45 | Ver |
| 8 mar 2026 | Penalver, Osmani 2276 | Wiedenkeller, Michael 2395 | 0-1 | E25 Defensa Nimzoindia: Sämisch Variation | Rond 9: Penalver, Osmani - Wiedenkeller, Michael | 21 | Ver |
| 7 mar 2026 | Wiedenkeller, Michael 2395 | Morell, Oscar 2088 | 0-1 | A21 Apertura Inglesa: King's English Variation, Kramnik-Shirov Counterattack | Rond 8: Wiedenkeller, Michael - Morell, Oscar | 77 | Ver |