| Jun 26, 2026 | Seiger | 0–1 | Domin | Round 11: Seiger, Vidar - Domin, Yan | Catalan Opening: Open Defense, Classical Line | |
| Jun 25, 2026 | Sriram Adarsh Uppala | ½–½ | Seiger | Round 10: Sriram Adarsh Uppala - Seiger, Vidar | Sicilian Defense: Hyperaccelerated Dragon | |
| Jun 24, 2026 | Seiger | 1–0 | Pironti | Round 9: Seiger, Vidar - Pironti, Francisco Ferrari | King's Indian Defense: Fianchetto Variation, Uhlmann-Szabo System | |
| Jun 23, 2026 | Cnejev | 1–0 | Seiger | World Youth Chess Championship 2026 U18 Open | French Defense: Classical Variation | |
| Jun 22, 2026 | Seiger | 1–0 | Medhus | Round 7: Seiger, Vidar - Medhus, Vitus Bondo | Sicilian Defense: Moscow Variation | |
| Jun 20, 2026 | Fuertler | 0–1 | Seiger | Round 6: Fuertler, Oliver - Seiger, Vidar | King's Indian Defense: Karpov System | |
| Jun 19, 2026 | Seiger | 0–1 | Agasarov | Round 5: Seiger, Vidar - Agasarov, Benik | English Opening: Anglo-Indian Defense, King's Indian Formation, Double Fianchetto | |
| Jun 18, 2026 | Zhao | 1–0 | Seiger | Round 4: Zhao, Erick - Seiger, Vidar | French Defense: Tarrasch Variation, Open System, Euwe-Keres Line | |
| Jun 17, 2026 | Seiger | 1–0 | Magold | Round 3: Seiger, Vidar - Magold, Filip | Sicilian Defense: French Variation, Open | |
| Jun 16, 2026 | Sukiasyan | ½–½ | Seiger | Round 2: Sukiasyan, Vahe A. - Seiger, Vidar | King's Indian Defense: Semi-Averbakh System | |
| Jun 15, 2026 | Seiger | 1–0 | Blagoev | Round 1: Seiger, Vidar - Blagoev, Denislav | English Opening: Symmetrical Variation, Three Knights Variation | |
| May 23, 2026 | Seiger | ½–½ | Wiedenkeller | 7th IM tournament \"Hotel Stockholm North | English Opening: King's English Variation, Four Knights Variation, Quiet Line | |
| May 22, 2026 | Wernberg | ½–½ | Seiger | 7th IM tournament \"Hotel Stockholm North | Rapport-Jobava System | |
| May 21, 2026 | Seiger | ½–½ | Miezis | 7th IM tournament \"Hotel Stockholm North | English Opening: Symmetrical Variation | |
| May 21, 2026 | Liu | 1–0 | Seiger | 7th IM tournament \"Hotel Stockholm North | Indian Defense: Przepiorka Variation | |
| May 20, 2026 | Seiger | 1–0 | Nasta | 7th IM tournament \"Hotel Stockholm North | Italian Game: Classical Variation, Giuoco Pianissimo | |
| May 20, 2026 | Panjer | 1–0 | Seiger | 7th IM tournament \"Hotel Stockholm North | Bogo-Indian Defense: Grünfeld Variation | |
| May 19, 2026 | Seiger | 0–1 | Wang | 7th IM tournament \"Hotel Stockholm North | English Opening: Anglo-Indian Defense, King's Knight Variation | |
| May 18, 2026 | Advaitt Srikant Koduri | 0–1 | Seiger | 7th IM tournament \"Hotel Stockholm North | King's Indian Defense: Orthodox Variation, Gligoric-Taimanov System | |
| May 6, 2026 | Karelina | 0–1 | Seiger | 7th IM tournament \"Hotel Stockholm North | French Defense: King's Indian Attack | |
| May 3, 2026 | Olund | 1–0 | Seiger | Tyresö Open 2026 | Trompowsky Attack | |
| May 2, 2026 | Seiger | ½–½ | Wang | Tyresö Open 2026 | English Opening: Agincourt Defense | |
| Apr 22, 2026 | Seiger | 1–0 | Zunrong Liu | Wasa JGP 2026 Klass A | Sicilian Defense: French Variation, Open | |
| Apr 22, 2026 | Dingertz | 0–1 | Seiger | Wasa JGP 2026 Klass A | French Defense: Steinitz Variation, Boleslavsky Variation | |
| Apr 22, 2026 | Wernberg | ½–½ | Seiger | Wasa JGP 2026 Klass A | London System | |
| Apr 22, 2026 | Seiger | 1–0 | Ljungros | Wasa JGP 2026 Klass A | King's Indian Defense: Fianchetto Variation | |
| Apr 22, 2026 | Seiger | 1–0 | Dingertz | Wasa JGP 2026 Klass A | King's Indian Attack | |
| Apr 22, 2026 | Markov | 0–1 | Seiger | Wasa JGP 2026 Klass A | King's Indian Defense: Fianchetto Variation, Carlsbad Variation | |
| Apr 22, 2026 | Seiger | 1–0 | Ekbom | Wasa JGP 2026 Klass A | Saragossa Opening | |
| Mar 8, 2026 | Seiger | ½–½ | Cederstam | Rond 9: Seiger, Vidar - Cederstam, Carl | Catalan Opening: Open Defense, Classical Line | |
| Mar 7, 2026 | Seiger | 1–0 | Marklund | Rond 8: Seiger, Vidar - Marklund, Niklas | Sicilian Defense: Moscow Variation | |
| Mar 6, 2026 | Ziegler | ½–½ | Seiger | Rond 7: Ziegler, Ari - Seiger, Vidar | King's Indian Defense: Orthodox Variation | |
| Feb 14, 2026 | Tripathi | 0–1 | Seiger | Nordisk Mesterskab gruppe B | Queen's Pawn Game: Modern Defense | |
| Feb 14, 2026 | Seiger | ½–½ | Valpas | Nordisk Mesterskab gruppe B | Sicilian Defense: Hyperaccelerated Dragon | |
| Feb 13, 2026 | Haug | ½–½ | Seiger | Nordisk Mesterskab gruppe B | French Defense: Chigorin Variation | |
| Feb 13, 2026 | Seiger | ½–½ | Khoo-Thwe | Nordisk Mesterskab gruppe B | Zukertort Opening | |
| Feb 12, 2026 | Oskarsson | ½–½ | Seiger | Nordisk Mesterskab gruppe B | King's Indian Defense: Semi-Averbakh System | |
| Feb 8, 2026 | Seiger | ½–½ | Frydendahl | Nordisk Mesterskab gruppe B | English Opening: Agincourt Defense, Neo-Catalan Declined | |
| Jan 18, 2026 | Seiger | 1–0 | Hamark | Rond 6: Seiger, Vidar - Hamark, Jesper | English Orangutan | |
| Jan 17, 2026 | Seiger | ½–½ | Kenneskog | Rond 5: Seiger, Vidar - Kenneskog, Theodor | Pirc Defense | |
| Jan 16, 2026 | Seiger | 1–0 | Wernberg | Rond 4: Seiger, Vidar - Wernberg, Hugo | English Opening: Agincourt Defense | |
| Dec 29, 2025 | Seiger | 0–1 | Xie | Round 3: Seiger, Vidar - Xie, Kaifan | Caro-Kann Defense: Advance Variation | |
| Nov 30, 2025 | Mauritsson | 1–0 | Seiger | Rond 3: Mauritsson, Sebastian - Seiger, Vidar | Sicilian Defense: Accelerated Dragon, Modern Bc4 Variation | |
| Nov 29, 2025 | Seiger | 1–0 | Thornert | Rond 2: Seiger, Vidar - Thornert, Hakan | Sicilian Defense: Moscow Variation, Main Line | |
| Nov 28, 2025 | Gonzalez | 0–1 | Seiger | Rond 1: Gonzalez, Emilio - Seiger, Vidar | French Defense: Tarrasch Variation, Open System, Euwe-Keres Line | |
| Nov 2, 2025 | Blomqvist | 1–0 | Seiger | Round 8: Blomqvist, Erik - Seiger, Vidar | Sicilian Defense: Hyperaccelerated Dragon | |
| Nov 2, 2025 | Seiger | 1–0 | Ostlund | Round 7: Seiger, Vidar - Ostlund, Joar | Sicilian Defense: Moscow Variation, Main Line | |
| Nov 1, 2025 | Korning | 0–1 | Seiger | Round 6: Korning, Peter - Seiger, Vidar | Sicilian Defense: Smith-Morra Gambit Accepted, Kan Formation | |
| Nov 1, 2025 | Seiger | ½–½ | Rasti | Round 5: Seiger, Vidar - Rasti, Arvin | French Defense: Advance Variation, Wade Variation | |
| Oct 31, 2025 | Olsson | 1–0 | Seiger | Round 3: Olsson, William - Seiger, Vidar | King's Indian Defense: Fianchetto Variation, Carlsbad Variation | |
| Oct 12, 2025 | Eliasson | 0–1 | Seiger | Skol-SM 2025 Kalmar | King's Indian Defense: Semi-Averbakh System | |
| Oct 12, 2025 | Eliasson | * | Seiger | Skol-SM 2025 Kalmar | ? | |
| Oct 12, 2025 | Seiger | ½–½ | Morell | Skol-SM 2025 Kalmar | Sicilian Defense: Modern Variations | |
| Oct 11, 2025 | Tripathi | ½–½ | Seiger | Skol-SM 2025 Kalmar | Slav Defense: Exchange Variation, Symmetrical Line | |
| Oct 11, 2025 | Seiger | 1–0 | Dingertz | Skol-SM 2025 Kalmar | Zukertort Opening: Kingside Fianchetto | |
| Oct 11, 2025 | Tronsson | 0–1 | Seiger | Skol-SM 2025 Kalmar | French Defense: Tarrasch Variation, Open System, Euwe-Keres Line | |
| Oct 11, 2025 | Seiger | 1–0 | Kingsley | Skol-SM 2025 Kalmar | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| Oct 10, 2025 | Nagy | 0–1 | Seiger | Skol-SM 2025 Kalmar | Sicilian Defense: Dragon Variation, Classical Variation, Normal Line | |
| Sep 23, 2025 | Loay | ½–½ | Seiger | Hotel Stockholm North by First hotels yo | English Opening: King's English Variation, Reversed Sicilian | |
| Sep 12, 2025 | Bashylina | ½–½ | Seiger | Hotel Stockholm North by First hotels yo | Nimzo-Indian Defense: Classical Variation, Noa Variation | |
| Sep 12, 2025 | Kacprzak | 1–0 | Seiger | Hotel Stockholm North by First hotels yo | Sicilian Defense: Accelerated Dragon, Maróczy Bind | |
| Sep 12, 2025 | Seiger | 0–1 | Kanyamarala | Hotel Stockholm North by First hotels yo | Sicilian Defense: O'Kelly Variation, Venice System | |
| Sep 12, 2025 | Mis | 1–0 | Seiger | Hotel Stockholm North by First hotels yo | East Indian Defense | |
| Sep 12, 2025 | Seiger | ½–½ | Kacprzak | Hotel Stockholm North by First hotels yo | Sicilian Defense: Moscow Variation, Main Line | |
| Sep 12, 2025 | Rasti | ½–½ | Seiger | Hotel Stockholm North by First hotels yo | Neo-Grünfeld Defense: Classical Variation, Original Defense | |
| Sep 12, 2025 | Seiger | 0–1 | Valkama | Hotel Stockholm North by First hotels yo | King's Indian Attack | |
| Sep 12, 2025 | Seiger | 0–1 | Chylewski | Hotel Stockholm North by First hotels yo | Sicilian Defense: Modern Variations | |
| Jun 13, 2025 | Seiger | ½–½ | Bazilius | 3rd IM-tournament | Neo-Grünfeld Defense: Classical Variation, Original Defense | |
| Jun 12, 2025 | Cernov | 1–0 | Seiger | 3rd IM-tournament | Sicilian Defense: Hyperaccelerated Dragon | |
| Jun 11, 2025 | Seiger | ½–½ | Cederstam | 3rd IM-tournament | Catalan Opening: Open Defense, Classical Line | |
| Jun 11, 2025 | Paragua | 0–1 | Seiger | 3rd IM-tournament | Sicilian Defense: Hyperaccelerated Dragon | |
| Jun 10, 2025 | Seiger | 1–0 | Karelina | 3rd IM-tournament | King's Indian Attack: Symmetrical Defense | |
| Jun 10, 2025 | Storme | 1–0 | Seiger | 3rd IM-tournament | King's Indian Defense: Fianchetto Variation, Lesser Simagin (Spassky) | |
| Jun 9, 2025 | Seiger | 0–1 | Heimisson | 3rd IM-tournament | King's Indian Attack | |
| Jun 9, 2025 | Rasti | 1–0 | Seiger | 3rd IM-tournament | Zukertort Opening: Nimzo-Larsen Variation | |
| Jun 6, 2025 | Cernov | ½–½ | Seiger | 3rd IM-tournament | Pirc Defense: Austrian Attack, Unzicker Attack | |
| May 2, 2025 | Seiger | ½–½ | Ral Lustig | Hotel Stockholm North by First hotels young talents -IM tournament | Slav Defense: Exchange Variation, Symmetrical Line | |
| May 1, 2025 | Seiger | 0–1 | Talukdar | Hotel Stockholm North by First hotels young talents -IM tournament | Sicilian Defense: O'Kelly Variation, Venice System | |
| May 1, 2025 | Olund | 1–0 | Seiger | Hotel Stockholm North by First hotels young talents -IM tournament | Trompowsky Attack | |
| Apr 30, 2025 | Seiger | ½–½ | Tripathi | Hotel Stockholm North by First hotels young talents -IM tournament | English Opening: Agincourt Defense, Neo-Catalan Declined | |
| Apr 30, 2025 | Grahn | ½–½ | Seiger | Hotel Stockholm North by First hotels young talents -IM tournament | Pirc Defense: Austrian Attack, Weiss Variation | |
| Apr 29, 2025 | Wenzel | 0–1 | Seiger | Hotel Stockholm North by First hotels young talents -IM tournament | Sicilian Defense: Accelerated Dragon, Maróczy Bind | |
| Apr 29, 2025 | Domalchuk-Jonasson | 1–0 | Seiger | Hotel Stockholm North by First hotels young talents -IM tournament | Bogo-Indian Defense: Grünfeld Variation | |
| Apr 28, 2025 | Seiger | 1–0 | Medhus | Hotel Stockholm North by First hotels young talents -IM tournament | King's Indian Attack | |
| Apr 28, 2025 | Sorensen | 0–1 | Seiger | Hotel Stockholm North by First hotels young talents -IM tournament | Nimzo-Indian Defense: Normal Variation | |
| Mar 9, 2025 | Andersson | ½–½ | Seiger | The Elitserien 2024/25: round 7 - 9 | Sicilian Defense: Hyperaccelerated Dragon | |
| Mar 8, 2025 | Seiger | 0–1 | Jogstad | The Elitserien 2024/25: round 7 - 9 | King's Indian Attack | |
| Mar 7, 2025 | Hillarp Persson | 1–0 | Seiger | The Elitserien 2024/25: round 7 - 9 | English Opening: Anglo-Indian Defense, Queen's Knight Variation | |
| Oct 6, 2024 | Seiger | 1–0 | Carlsson | The Elitserien 2024/25: round 1 - 3 | Neo-Grünfeld Defense: Ultra-Delayed Exchange Variation | |
| Oct 5, 2024 | Malesevic | ½–½ | Seiger | The Elitserien 2024/25: round 1 - 3 | King's Indian Defense: Normal Variation | |
| Oct 4, 2024 | Seiger | ½–½ | Olund | The Elitserien 2024/25: round 1 - 3 | King's Indian Attack | |
| Aug 31, 2024 | Fiskaaen | 1–0 | Seiger | EYCC 2024 - O16 | King's Indian Defense: Semi-Averbakh System | |
| Aug 22, 2024 | Seiger | 0–1 | Perea Fruet | EYCC 2024 - O16 | English Opening: Symmetrical Variation, Botvinnik System Reversed, with Nf3 | |
| Mar 31, 2024 | Seiger | ½–½ | Thorsbro | Paskturneringen 2024 | Zukertort Opening: Reversed Grünfeld | |
| Mar 30, 2024 | Seiger | 0–1 | Pantzar | Paskturneringen 2024 | King's Indian Attack: Symmetrical Defense | |
| Feb 11, 2024 | Crevatin | 0–1 | Seiger | Elite Hotels Open 2024 | King's Indian Defense: Orthodox Variation, Glek Defense | |
| Feb 9, 2024 | Jepson | 1–0 | Seiger | Elite Hotels Open 2024 | King's Indian Defense: Four Pawns Attack | |
| Feb 9, 2024 | Jacobsen | 1–0 | Seiger | Elite Hotels Open 2024 | London System | |
| Oct 30, 2024 | Seiger | ½–½ | Omarsson | Round 9: Seiger, Vidar - Omarsson, Adam | King's Indian Attack: Symmetrical Defense | |
| Oct 30, 2024 | Preman | 0–1 | Seiger | Round 8: Preman, Nathan - Seiger, Vidar | Pirc Defense | |