| Jun 20, 2026 | Gretarsson | 1–0 | Olafsson | Green Diamond Invitational 2026 | Queen's Indian Defense: Miles Variation | |
| Jun 20, 2026 | Hjartarson | 1–0 | Olafsson | Green Diamond Invitational 2026 | Sicilian Defense: Najdorf Variation, Opocensky Variation | |
| Jun 20, 2026 | Johannsson | 1–0 | Olafsson | Green Diamond Invitational 2026 | Queen's Pawn Game: Modern Defense | |
| Jun 20, 2026 | Olafsson | ½–½ | Heimisson | Green Diamond Invitational 2026 | English Opening: Symmetrical Variation | |
| Jun 20, 2026 | Thorfinnsson | 1–0 | Olafsson | Green Diamond Invitational 2026 | Indian Defense | |
| Jun 20, 2026 | Olafsson | ½–½ | Stefansson | Green Diamond Invitational 2026 | English Opening: Agincourt Defense | |
| Jun 19, 2026 | Olafsson | 0–1 | Thorfinnsson | Green Diamond Invitational 2026 | Queen's Gambit Declined: Orthodox Defense, Rubinstein Attack | |
| Jun 19, 2026 | Olafsson | ½–½ | Stefansson | Green Diamond Invitational 2026 | Queen's Gambit Declined: Barmen Variation | |
| Jun 19, 2026 | Olafsson | 1–0 | Ulfarsson | Green Diamond Invitational 2026 | English Opening: Symmetrical Variation | |
| Apr 28, 2026 | Olafsson | ½–½ | Nunn | Round 9: Olafsson, Helgi - Nunn, John D M | King's Indian Defense: Fianchetto Variation | |
| Apr 27, 2026 | Janovsky | ½–½ | Olafsson | Round 8: Janovsky, Sergey - Olafsson, Helgi | Sicilian Defense: Moscow Variation | |
| Apr 26, 2026 | Olafsson | ½–½ | Ftacnik | Round 7: Olafsson, Helgi - Ftacnik, Lubomir | English Opening: Symmetrical Variation, Hedgehog Defense | |
| Apr 23, 2026 | Olafsson | ½–½ | Heim | Round 5: Olafsson, Helgi - Heim, Sverre | Indian Defense: London System | |
| Apr 22, 2026 | Welling | 0–1 | Olafsson | Round 4: Welling, Gerard - Olafsson, Helgi | Grünfeld Defense: Three Knights Variation, Burille Variation | |
| Apr 21, 2026 | Olafsson | ½–½ | Garcia Palermo | Round 3: Olafsson, Helgi - Garcia Palermo, Carlos Horacio | Queen's Gambit Declined: Neo-Orthodox Variation, Main Line | |
| Apr 20, 2026 | Stebbings | 0–1 | Olafsson | Round 2: Stebbings, Anthony J - Olafsson, Helgi | Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan | |
| Apr 18, 2026 | Vaisser | 0–1 | Olafsson | Round 6: Vaisser, Anatoli - Olafsson, Helgi | Nimzo-Indian Defense: Sämisch Variation | |
| Apr 4, 2026 | Achtsioglou | 0–1 | Eleftheriou | new tournament description | Indian Defense | |
| Apr 4, 2026 | Belilovkiy | 1–0 | Minkowitz | Meisteranwärter-Turnier Rheinland-Einzelmeisterschaften 2026 | Nimzo-Indian Defense: Sämisch Variation | |
| Apr 4, 2026 | Schönberger | 0–1 | Damke | Meisteranwärter- Rheinland-Einzelmeisterschaften 2026 | King's Indian Attack: Symmetrical Defense | |
| Mar 8, 2026 | Birkisson | 1–0 | Olafsson | Icelandic team chess championship premier league | Queen's Indian Defense: Kasparov-Petrosian Variation, Classical Variation | |
| Mar 7, 2026 | Olafsson | ½–½ | Jakubiec | Icelandic team chess championship premier league | King's Indian Defense: Sämisch Variation, Panno Main Line | |
| Mar 6, 2026 | Olafsson | ½–½ | Laurusas | Icelandic team chess championship premier league | Queen's Gambit Accepted: Gunsberg Defense, Prianishenmo Gambit | |
| Mar 5, 2026 | Olafsson | ½–½ | Stefansson | Icelandic team chess championship premier league | Semi-Slav Defense | |
| Dec 14, 2025 | Rodriguez Lezcano | 0–1 | Mizzau | FINAL SUB2300 CAMPEONATO ARGENTINO DE AJEDREZ SOCIAL Y AMATEUR | Queen's Pawn Game: Accelerated London System, Steinitz Countergambit | |
| Dec 14, 2025 | Hutt | 0–1 | Sipaila | FINAL SUB2300 CAMPEONATO ARGENTINO DE AJEDREZ SOCIAL Y AMATEUR | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Dec 14, 2025 | Zarate | 0–1 | Quezada | FINAL SUB2300 CAMPEONATO ARGENTINO DE AJEDREZ SOCIAL Y AMATEUR | English Opening: Drill Variation | |
| Dec 14, 2025 | Mendez | ½–½ | Medero Mino | FINAL SUB2300 CAMPEONATO ARGENTINO DE AJEDREZ SOCIAL Y AMATEUR | King's Indian Defense: Fianchetto Variation, Larsen Defense | |
| Dec 14, 2025 | Fiorenza | 0–1 | Lujan | FINAL SUB2300 CAMPEONATO ARGENTINO DE AJEDREZ SOCIAL Y AMATEUR | Caro-Kann Defense: Two Knights Attack | |
| Dec 14, 2025 | Soto | ½–½ | Furtado | FINAL SUB2300 CAMPEONATO ARGENTINO DE AJEDREZ SOCIAL Y AMATEUR | Philidor Defense: Hanham Variation, Steiner Variation | |
| Dec 14, 2025 | Quinteros | 1–0 | Capitanio Lippo | FINAL SUB1700 CAMPEONATO ARGENTINO DE AJEDREZ SOCIAL Y AMATEUR | Sicilian Defense: Delayed Alapin Variation, with e6 | |
| Dec 14, 2025 | Casquero | 0–1 | Tolosa | FINAL SUB1700 CAMPEONATO ARGENTINO DE AJEDREZ SOCIAL Y AMATEUR | Queen's Pawn Game: Accelerated London System | |
| Dec 14, 2025 | Aciar | ½–½ | Cabrera | FINAL SUB1700 CAMPEONATO ARGENTINO DE AJEDREZ SOCIAL Y AMATEUR | Scandinavian Defense: Modern Variation | |
| Dec 14, 2025 | Santos | ½–½ | Valery | FINAL SUB1700 CAMPEONATO ARGENTINO DE AJEDREZ SOCIAL Y AMATEUR | Nimzo-Larsen Attack: Modern Variation | |
| Dec 14, 2025 | Carballo | 1–0 | Roldan | FINAL SUB1700 CAMPEONATO ARGENTINO DE AJEDREZ SOCIAL Y AMATEUR | Sicilian Defense: Closed | |
| Dec 14, 2025 | Battisti | 0–1 | Pedraza | FINAL SUB1700 CAMPEONATO ARGENTINO DE AJEDREZ SOCIAL Y AMATEUR | Scotch Game: Schmidt Variation | |
| Dec 14, 2025 | Torres | 1–0 | Benitez | FINAL SUB1700 CAMPEONATO ARGENTINO DE AJEDREZ SOCIAL Y AMATEUR | Sicilian Defense: Closed | |
| Dec 14, 2025 | Reyneri | 0–1 | Tanus Mafud | FINAL SUB1700 CAMPEONATO ARGENTINO DE AJEDREZ SOCIAL Y AMATEUR | Queen's Pawn Game: Colle System, Anti-Colle | |
| Dec 14, 2025 | Carballo | ½–½ | Suarez Saavedra | FINAL SUB1700 CAMPEONATO ARGENTINO DE AJEDREZ SOCIAL Y AMATEUR | Nimzo-Larsen Attack: Classical Variation | |
| Dec 14, 2025 | Ruiz | 0–1 | Veron | FINAL SUB1700 CAMPEONATO ARGENTINO DE AJEDREZ SOCIAL Y AMATEUR | Scotch Game: Scotch Gambit, London Defense | |
| Dec 14, 2025 | Ferrin | 1–0 | Gimenez | FINAL SUB1700 CAMPEONATO ARGENTINO DE AJEDREZ SOCIAL Y AMATEUR | English Opening: King's English Variation, Two Knights Variation, Reversed Dragon | |
| Dec 14, 2025 | Nallar | 1–0 | Medero | FINAL SUB1700 CAMPEONATO ARGENTINO DE AJEDREZ SOCIAL Y AMATEUR | Queen's Pawn Game: Colle System, Traditional Colle | |
| Dec 14, 2025 | Cabral | 1–0 | Tantera | FINAL SUB1700 CAMPEONATO ARGENTINO DE AJEDREZ SOCIAL Y AMATEUR | Indian Defense | |
| Dec 14, 2025 | Soria | 1–0 | Romero | FINAL SUB1700 CAMPEONATO ARGENTINO DE AJEDREZ SOCIAL Y AMATEUR | Caro-Kann Defense: Breyer Variation | |
| Dec 14, 2025 | Gimenez | ½–½ | Bozzani | FINAL SUB1700 CAMPEONATO ARGENTINO DE AJEDREZ SOCIAL Y AMATEUR | Dutch Defense | |
| Dec 14, 2025 | Gallucci | ½–½ | Ayala | FINAL SUB1700 CAMPEONATO ARGENTINO DE AJEDREZ SOCIAL Y AMATEUR | Queen's Gambit Declined: Three Knights Variation | |
| Dec 14, 2025 | Casado | 1–0 | Allende | FINAL SUB1700 CAMPEONATO ARGENTINO DE AJEDREZ SOCIAL Y AMATEUR | Nimzo-Larsen Attack: English Variation | |
| Dec 14, 2025 | Gallucci | 1–0 | Allende Madoery | FINAL SUB1700 CAMPEONATO ARGENTINO DE AJEDREZ SOCIAL Y AMATEUR | Scotch Game | |
| Dec 14, 2025 | Lujan | ½–½ | Mizzau | FINAL SUB2300 CAMPEONATO ARGENTINO DE AJEDREZ SOCIAL Y AMATEUR | Queen's Pawn Game: Accelerated London System | |
| Dec 14, 2025 | Sipaila | 0–1 | Quezada | FINAL SUB2300 CAMPEONATO ARGENTINO DE AJEDREZ SOCIAL Y AMATEUR | Sicilian Defense: Spielmann Variation | |
| Dec 14, 2025 | Rodriguez Lezcano | 1–0 | Mendez | FINAL SUB2300 CAMPEONATO ARGENTINO DE AJEDREZ SOCIAL Y AMATEUR | Rapport-Jobava System | |
| Dec 14, 2025 | Medero Mino | ½–½ | Hutt | FINAL SUB2300 CAMPEONATO ARGENTINO DE AJEDREZ SOCIAL Y AMATEUR | Petrov's Defense: Modern Attack, Center Variation | |
| Dec 14, 2025 | Varela | 0–1 | Zarate | FINAL SUB2300 CAMPEONATO ARGENTINO DE AJEDREZ SOCIAL Y AMATEUR | Queen's Indian Defense: Kasparov Variation | |
| Dec 14, 2025 | Furtado | ½–½ | Fiorenza | FINAL SUB2300 CAMPEONATO ARGENTINO DE AJEDREZ SOCIAL Y AMATEUR | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Dec 14, 2025 | Quinteros | 1–0 | Aciar | FINAL SUB1700 CAMPEONATO ARGENTINO DE AJEDREZ SOCIAL Y AMATEUR | French Defense: Exchange Variation | |
| Dec 14, 2025 | Tolosa | ½–½ | Carballo | FINAL SUB1700 CAMPEONATO ARGENTINO DE AJEDREZ SOCIAL Y AMATEUR | French Defense: Exchange Variation | |
| Dec 14, 2025 | Cabrera | 0–1 | Torres | FINAL SUB1700 CAMPEONATO ARGENTINO DE AJEDREZ SOCIAL Y AMATEUR | Caro-Kann Defense: Two Knights Attack | |
| Dec 14, 2025 | Pedraza | 0–1 | Casquero | FINAL SUB1700 CAMPEONATO ARGENTINO DE AJEDREZ SOCIAL Y AMATEUR | Italian Game: Scotch Gambit, Max Lange Attack | |
| Dec 14, 2025 | Valery | ½–½ | Reyneri | FINAL SUB1700 CAMPEONATO ARGENTINO DE AJEDREZ SOCIAL Y AMATEUR | Pirc Defense | |
| Dec 14, 2025 | Capitanio Lippo | 0–1 | Ferrin | FINAL SUB1700 CAMPEONATO ARGENTINO DE AJEDREZ SOCIAL Y AMATEUR | Sicilian Defense: Kan Variation, Knight Variation | |
| Dec 14, 2025 | Veron | 0–1 | Santos | FINAL SUB1700 CAMPEONATO ARGENTINO DE AJEDREZ SOCIAL Y AMATEUR | English Defense | |
| Dec 14, 2025 | Tanus Mafud | 1–0 | Carballo | FINAL SUB1700 CAMPEONATO ARGENTINO DE AJEDREZ SOCIAL Y AMATEUR | English Opening: Symmetrical Variation | |
| Dec 14, 2025 | Suarez Saavedra | ½–½ | Battisti | FINAL SUB1700 CAMPEONATO ARGENTINO DE AJEDREZ SOCIAL Y AMATEUR | King's Indian Defense: Fianchetto Variation | |
| Dec 14, 2025 | Roldan | ½–½ | Nallar | FINAL SUB1700 CAMPEONATO ARGENTINO DE AJEDREZ SOCIAL Y AMATEUR | French Defense: Advance Variation, Main Line | |
| Dec 14, 2025 | Benitez | ½–½ | Cabral | FINAL SUB1700 CAMPEONATO ARGENTINO DE AJEDREZ SOCIAL Y AMATEUR | French Defense: Two Knights Variation | |
| Dec 14, 2025 | Gimenez | 1–0 | Soria | FINAL SUB1700 CAMPEONATO ARGENTINO DE AJEDREZ SOCIAL Y AMATEUR | Sicilian Defense: Dragon Variation | |
| Dec 14, 2025 | Bozzani | 0–1 | Ruiz | FINAL SUB1700 CAMPEONATO ARGENTINO DE AJEDREZ SOCIAL Y AMATEUR | Queen's Pawn Game: Colle System | |
| Dec 14, 2025 | Medero | ½–½ | Gimenez | FINAL SUB1700 CAMPEONATO ARGENTINO DE AJEDREZ SOCIAL Y AMATEUR | English Opening: Symmetrical Variation | |
| Dec 14, 2025 | Ayala | ½–½ | Casado | FINAL SUB1700 CAMPEONATO ARGENTINO DE AJEDREZ SOCIAL Y AMATEUR | Sicilian Defense: Modern Variations | |
| Dec 14, 2025 | Romero | 1–0 | Gallucci | FINAL SUB1700 CAMPEONATO ARGENTINO DE AJEDREZ SOCIAL Y AMATEUR | Queen's Pawn Game: London System, with e6 | |
| Dec 14, 2025 | Tantera | 0–1 | Gallucci | FINAL SUB1700 CAMPEONATO ARGENTINO DE AJEDREZ SOCIAL Y AMATEUR | French Defense: Advance Variation | |
| Dec 14, 2025 | Allende Madoery | 0–1 | Allende | FINAL SUB1700 CAMPEONATO ARGENTINO DE AJEDREZ SOCIAL Y AMATEUR | Sicilian Defense: Modern Variations, Main Line | |
| Dec 13, 2025 | Mizzau | 1–0 | Medero Mino | FINAL SUB2300 CAMPEONATO ARGENTINO DE AJEDREZ SOCIAL Y AMATEUR | Sicilian Defense: Delayed Alapin Variation, with e6 | |
| Dec 13, 2025 | Sipaila | 1–0 | Zarate | FINAL SUB2300 CAMPEONATO ARGENTINO DE AJEDREZ SOCIAL Y AMATEUR | Sicilian Defense: Dragon Variation, Fianchetto Variation | |
| Dec 13, 2025 | Quezada | 1–0 | Fiorenza | FINAL SUB2300 CAMPEONATO ARGENTINO DE AJEDREZ SOCIAL Y AMATEUR | Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation, Chelyabinsk Variation | |
| Dec 13, 2025 | Furtado | 0–1 | Rodriguez Lezcano | FINAL SUB2300 CAMPEONATO ARGENTINO DE AJEDREZ SOCIAL Y AMATEUR | Nimzowitsch Defense: Declined Variation | |
| Dec 13, 2025 | Hutt | 1–0 | Soto | FINAL SUB2300 CAMPEONATO ARGENTINO DE AJEDREZ SOCIAL Y AMATEUR | King's Indian Attack: Yugoslav Variation | |
| Dec 13, 2025 | Lujan | 1–0 | Varela | FINAL SUB2300 CAMPEONATO ARGENTINO DE AJEDREZ SOCIAL Y AMATEUR | Rapport-Jobava System | |
| Dec 13, 2025 | Tolosa | 0–1 | Quinteros | FINAL SUB1700 CAMPEONATO ARGENTINO DE AJEDREZ SOCIAL Y AMATEUR | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Dec 13, 2025 | Benitez | 0–1 | Casquero | FINAL SUB1700 CAMPEONATO ARGENTINO DE AJEDREZ SOCIAL Y AMATEUR | Ruy Lopez: Exchange Variation, Keres Variation | |
| Dec 13, 2025 | Pedraza | 0–1 | Capitanio Lippo | FINAL SUB1700 CAMPEONATO ARGENTINO DE AJEDREZ SOCIAL Y AMATEUR | Trompowsky Attack | |
| Dec 13, 2025 | Cabrera | 1–0 | Battisti | FINAL SUB1700 CAMPEONATO ARGENTINO DE AJEDREZ SOCIAL Y AMATEUR | Pirc Defense | |
| Dec 13, 2025 | Suarez Saavedra | 0–1 | Aciar | FINAL SUB1700 CAMPEONATO ARGENTINO DE AJEDREZ SOCIAL Y AMATEUR | King's Indian Defense: Fianchetto Variation | |
| Dec 13, 2025 | Valery | 1–0 | Ferrin | FINAL SUB1700 CAMPEONATO ARGENTINO DE AJEDREZ SOCIAL Y AMATEUR | Sicilian Defense: Kan Variation, Knight Variation | |
| Dec 13, 2025 | Gimenez | 0–1 | Carballo | FINAL SUB1700 CAMPEONATO ARGENTINO DE AJEDREZ SOCIAL Y AMATEUR | French Defense: Schlechter Variation | |
| Dec 13, 2025 | Santos | ½–½ | Carballo | FINAL SUB1700 CAMPEONATO ARGENTINO DE AJEDREZ SOCIAL Y AMATEUR | Horwitz Defense | |
| Dec 13, 2025 | Tanus Mafud | 1–0 | Nallar | FINAL SUB1700 CAMPEONATO ARGENTINO DE AJEDREZ SOCIAL Y AMATEUR | English Opening: Caro-Kann Defensive System | |
| Dec 13, 2025 | Torres | 1–0 | Cabral | FINAL SUB1700 CAMPEONATO ARGENTINO DE AJEDREZ SOCIAL Y AMATEUR | French Defense: Advance Variation, Nimzowitsch System | |
| Dec 13, 2025 | Roldan | 1–0 | Soria | FINAL SUB1700 CAMPEONATO ARGENTINO DE AJEDREZ SOCIAL Y AMATEUR | Sicilian Defense: Smith-Morra Gambit Accepted | |
| Dec 13, 2025 | Ayala | 0–1 | Reyneri | FINAL SUB1700 CAMPEONATO ARGENTINO DE AJEDREZ SOCIAL Y AMATEUR | Pirc Defense: Kholmov System | |
| Dec 13, 2025 | Gallucci | 0–1 | Ruiz | FINAL SUB1700 CAMPEONATO ARGENTINO DE AJEDREZ SOCIAL Y AMATEUR | Benoni Defense | |
| Dec 13, 2025 | Romero | ½–½ | Gimenez | FINAL SUB1700 CAMPEONATO ARGENTINO DE AJEDREZ SOCIAL Y AMATEUR | Queen's Pawn Game: Zukertort Variation | |
| Dec 13, 2025 | Allende | 0–1 | Veron | FINAL SUB1700 CAMPEONATO ARGENTINO DE AJEDREZ SOCIAL Y AMATEUR | Scotch Game | |
| Dec 13, 2025 | Tantera | 1–0 | Gallucci | FINAL SUB1700 CAMPEONATO ARGENTINO DE AJEDREZ SOCIAL Y AMATEUR | French Defense: Advance Variation | |
| Dec 13, 2025 | Medero | 1–0 | Casado | FINAL SUB1700 CAMPEONATO ARGENTINO DE AJEDREZ SOCIAL Y AMATEUR | Queen's Gambit Declined: Marshall Defense | |
| Dec 7, 2025 | Olafsson | 0–1 | Stefansson | Friðriksmót Landsbankans – Íslandsmótið í hraðskák | Trompowsky Attack | |
| Dec 7, 2025 | Olafsson | ½–½ | Ragnarsson | Friðriksmót Landsbankans – Íslandsmótið í hraðskák | Trompowsky Attack | |
| Dec 7, 2025 | Thorfinnsson | ½–½ | Olafsson | Friðriksmót Landsbankans – Íslandsmótið í hraðskák | Trompowsky Attack | |
| Dec 7, 2025 | Olafsson | 0–1 | Heimisson | Friðriksmót Landsbankans – Íslandsmótið í hraðskák | King's Indian Attack: Double Fianchetto | |
| Dec 7, 2025 | Hjartarson | 1–0 | Olafsson | Friðriksmót Landsbankans – Íslandsmótið í hraðskák | Sicilian Defense: Kan Variation, Modern Variation | |