| May 17, 2026 | Dinesh Rajan M | 0–1 | Orrego Palermo | rated rapid game | Sicilian Defense: Modern Variations | |
| May 17, 2026 | Orrego Palermo | ½–½ | Dinesh Rajan M | rated rapid game | Italian Game: Giuoco Pianissimo, Normal | |
| May 17, 2026 | Fan | 0–1 | Orrego Palermo | rated blitz game | Sicilian Defense: Smith-Morra Gambit | |
| May 16, 2026 | Orrego Palermo | ½–½ | Fan | rated rapid game | Sicilian Defense: Pin Variation | |
| May 16, 2026 | Fan | 1–0 | Orrego Palermo | rated rapid game | Sicilian Defense: Najdorf Variation | |
| May 11, 2026 | Martinez Caceres | 0–1 | Orrego Palermo | Round 8: Martinez Caceres, Felipe Ignacio - Orrego Palermo, Marcelo | Queen's Gambit Accepted: Showalter Variation | |
| May 2, 2026 | Orrego Palermo | 0–1 | Kacharava | rated rapid game | Italian Game: Giuoco Pianissimo, Normal | |
| May 2, 2026 | Orrego Palermo | 1–0 | Othman | rated rapid game | Caro-Kann Defense: Endgame Variation | |
| May 2, 2026 | Arce | 0–1 | Orrego Palermo | rated rapid game | Queen's Pawn Game: Stonewall Attack | |
| May 2, 2026 | Orrego Palermo | 0–1 | Pyrih | rated rapid game | Sicilian Defense: Najdorf Variation, English Attack | |
| May 2, 2026 | Koustav Chatterjee | 1–0 | Orrego Palermo | rated rapid game | Zukertort Opening | |
| May 2, 2026 | Orrego Palermo | 1–0 | Zhou | rated rapid game | Caro-Kann Defense: Endgame Variation | |
| May 2, 2026 | Bentalha | 0–1 | Orrego Palermo | rated rapid game | Sicilian Defense: Closed | |
| Jan 31, 2026 | Orrego Palermo | 1–0 | Henriquez Hidalgo | I CHESS OPEN SANTIAGO 2026 - CLUB DE AJEDREZ DE CHILE | Trompowsky Attack: Raptor Variation | |
| Jan 31, 2026 | Nandwani Narwani | 0–1 | Orrego Palermo | I CHESS OPEN SANTIAGO 2026 - CLUB DE AJEDREZ DE CHILE | Bogo-Indian Defense: Retreat Variation | |
| Jan 30, 2026 | Orrego Palermo | ½–½ | Santana Gonzalez | I CHESS OPEN SANTIAGO 2026 - CLUB DE AJEDREZ DE CHILE | Italian Game: Classical Variation, Giuoco Pianissimo, Main Line | |
| Jan 29, 2026 | Munoz Ramos | 1–0 | Orrego Palermo | I CHESS OPEN SANTIAGO 2026 - CLUB DE AJEDREZ DE CHILE | Semi-Slav Defense: Main Line | |
| Jan 29, 2026 | Orrego Palermo | 1–0 | Basualto Penalieres | I CHESS OPEN SANTIAGO 2026 - CLUB DE AJEDREZ DE CHILE | Italian Game: Hungarian Defense | |
| Jan 28, 2026 | Battey | ½–½ | Orrego Palermo | I CHESS OPEN SANTIAGO 2026 - CLUB DE AJEDREZ DE CHILE | English Opening: King's English Variation, Kramnik-Shirov Counterattack | |
| Jan 27, 2026 | Orrego Palermo | 1–0 | Greau Carreno | I CHESS OPEN SANTIAGO 2026 - CLUB DE AJEDREZ DE CHILE | Sicilian Defense: Kan Variation, Wing Attack | |
| Jan 26, 2026 | Orrego Palermo | ½–½ | Bulgarini Torre | I CHESS OPEN SANTIAGO 2026 - CLUB DE AJEDREZ DE CHILE | Trompowsky Attack | |
| Jan 24, 2026 | Escobar Castro | 1–0 | Orrego Palermo | Round 7: Escobar Castro, Franco Alessandro - Orrego Palermo, Marcelo | Queen's Pawn Game: London System | |
| Jan 23, 2026 | Orrego Palermo | 0–1 | Lodge Bravo | Round 6: Orrego Palermo, Marcelo - Lodge Bravo, Lucas | Italian Game: Classical Variation, Giuoco Pianissimo | |
| Jan 22, 2026 | Palma Araya | ½–½ | Orrego Palermo | Round 5: Palma Araya, David - Orrego Palermo, Marcelo | Queen's Gambit Accepted: Central Variation, McDonnell Defense | |
| Jan 22, 2026 | Orrego Palermo | ½–½ | Vergara Barreda | Round 4: Orrego Palermo, Marcelo - Vergara Barreda, Inaki Imanol | Alekhine Defense: Exchange Variation | |
| Jan 21, 2026 | Hassler Medina | ½–½ | Orrego Palermo | Round 3: Hassler Medina, Max Alonso - Orrego Palermo, Marcelo | Sicilian Defense: Najdorf Variation | |
| Jan 21, 2026 | Orrego Palermo | 1–0 | Gutierrez Verdugo | Round 2: Orrego Palermo, Marcelo - Gutierrez Verdugo, Leonidas | Sicilian Defense: Najdorf Variation, English Attack | |
| Jan 20, 2026 | Henriquez Alarcon | 0–1 | Orrego Palermo | Round 1: Henriquez Alarcon, Rafael Elias - Orrego Palermo, Marcelo | Sicilian Defense: Alapin Variation | |
| Jan 14, 2026 | Orrego Palermo | ½–½ | Allende Munoz | III Itt Temuco 2026 | Mieses Opening | |
| Jan 13, 2026 | Rojas Calfunao | 0–1 | Orrego Palermo | III Itt Temuco 2026 | Sicilian Defense: Modern Variations | |
| Jan 12, 2026 | Orrego Palermo | 0–1 | Lopez Silva | III Itt Temuco 2026 | Italian Game: Classical Variation, Giuoco Pianissimo | |
| Jan 12, 2026 | Mondaca Gonzalez | 0–1 | Orrego Palermo | III Itt Temuco 2026 | English Opening: King's English Variation, Three Knights System | |
| Jan 11, 2026 | Orrego Palermo | 1–0 | Escobar Castro | III Itt Temuco 2026 | Trompowsky Attack | |
| Jan 11, 2026 | Almeida Quintana | 1–0 | Orrego Palermo | III Itt Temuco 2026 | King's Indian Defense: Normal Variation, Rare Defenses | |
| Jan 11, 2026 | Orrego Palermo | 1–0 | Bedoya Rosales | III Itt Temuco 2026 | Sicilian Defense: Dragon Variation, Yugoslav Attack, Modern Line | |
| Jan 10, 2026 | Gonzales | ½–½ | Orrego Palermo | III Itt Temuco 2026 | Rubinstein Opening | |
| Jan 9, 2026 | Orrego Palermo | 1–0 | Rivadeneira Maturana | III Itt Temuco 2026 | French Defense: Advance Variation, Paulsen Attack | |
| Nov 11, 2025 | Rodriguez | 0–1 | Orrego Palermo | XXXII Abierto Internacional ProAm Main Events FIDE. $15.000.000 en premios | English Opening: King's English Variation | |
| Nov 10, 2025 | Orrego Palermo | 0–1 | Moreno Perez | XXXII Abierto Internacional ProAm Main Events FIDE. $15.000.000 en premios | Caro-Kann Defense: Advance Variation, Bayonet Attack | |
| Nov 9, 2025 | Vasquez Toledo | ½–½ | Orrego Palermo | XXXII Abierto Internacional ProAm Main Events FIDE. $15.000.000 en premios | Scandinavian Defense: Bronstein Variation | |
| Nov 8, 2025 | Paris | 1–0 | Orrego Palermo | XXXII Abierto Internacional ProAm Main Events FIDE. $15.000.000 en premios | English Opening: Drill Variation | |
| Nov 7, 2025 | Orrego Palermo | 1–0 | Coro | XXXII Abierto Internacional ProAm Main Events FIDE. $15.000.000 en premios | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| Nov 6, 2025 | Llanos | ½–½ | Orrego Palermo | XXXII Abierto Internacional ProAm Main Events FIDE. $15.000.000 en premios | Zukertort Opening | |
| Nov 5, 2025 | Orrego Palermo | 1–0 | Mayer | XXXII Abierto Internacional ProAm Main Events FIDE. $15.000.000 en premios | French Defense: Advance Variation, Euwe Variation | |
| Nov 4, 2025 | Slipak | 1–0 | Orrego Palermo | XXXII Abierto Internacional ProAm Main Events FIDE. $15.000.000 en premios | Sicilian Defense: Staunton-Cochrane Variation | |
| Nov 3, 2025 | Orrego Palermo | 1–0 | Longhitano | XXXII Abierto Internacional ProAm Main Events FIDE. $15.000.000 en premios | Owen Defense | |
| Jun 19, 2025 | Torales G. | ½–½ | Orrego Palermo | U20 Pan American Chess Championship OPEN 2025 | Sicilian Defense: Old Sicilian | |
| Jun 18, 2025 | Orrego Palermo | 0–1 | Huallpa Fernandez | U20 Pan American Chess Championship OPEN 2025 | ? | |
| Jun 18, 2025 | Barrios Pinanez | 0–1 | Orrego Palermo | U20 Pan American Chess Championship OPEN 2025 | ? | |
| Jun 17, 2025 | Orrego Palermo | 1–0 | Diarte Caceres | U20 Pan American Chess Championship OPEN 2025 | ? | |
| Jun 16, 2025 | Orrego Palermo | 0–1 | Martello | U20 Pan American Chess Championship OPEN 2025 | Philidor Defense: Lion Variation | |
| Jun 16, 2025 | Navarro Canete | 1–0 | Orrego Palermo | U20 Pan American Chess Championship OPEN 2025 | Sicilian Defense: Najdorf Variation, Opocensky Variation | |
| Jun 15, 2025 | Johnson | ½–½ | Orrego Palermo | U20 Pan American Chess Championship OPEN 2025 | Sicilian Defense: Najdorf Variation | |
| Jun 14, 2025 | Liang | 1–0 | Orrego Palermo | U20 Pan American Chess Championship OPEN 2025 | Sicilian Defense: Najdorf Variation, Adams Attack | |
| Jun 2, 2025 | Orrego Palermo | ½–½ | Palma Araya | CLUB DE AJEDREZ CHILE - INTERCLUBES 100 ANOS - CLUB DE AJEDREZ CHILE 2025 | Philidor Defense: Lion Variation | |
| Apr 13, 2025 | Orrego Palermo | 1–0 | Orellana Canelo | 10° CHESS BOSS - CHESS TOUR B | Queen's Pawn Game: Symmetrical Variation | |
| Apr 13, 2025 | Palma Neira | ½–½ | Orrego Palermo | 10° CHESS BOSS - CHESS TOUR B | Queen's Pawn Game: Colle System, Traditional Colle | |
| Apr 13, 2025 | Garmendia Vega | 1–0 | Orrego Palermo | 10° CHESS BOSS - CHESS TOUR B | Sicilian Defense: Najdorf Variation | |
| Apr 12, 2025 | Orrego Palermo | 1–0 | Palma Araya | 10° CHESS BOSS - CHESS TOUR B | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Apr 12, 2025 | Orrego Palermo | 0–1 | Escudero Donoso | 10° CHESS BOSS - CHESS TOUR B | Sicilian Defense: Taimanov Variation, Normal Variation | |
| Apr 12, 2025 | Arias Diaz | ½–½ | Orrego Palermo | 10° CHESS BOSS - CHESS TOUR B | Nimzo-Indian Defense: Rubinstein System, Hübner Variation | |
| Apr 11, 2025 | Estay Torreblanca | 0–1 | Orrego Palermo | 10° CHESS BOSS - CHESS TOUR B | Sicilian Defense: Najdorf Variation, Lipnitsky Attack | |
| Mar 1, 2025 | Arias Diaz | ½–½ | Orrego Palermo | Final Campeonato de Ajedrez Absoluto de Chile 2025 | King's Indian Defense: Makogonov Variation | |
| Feb 28, 2025 | Orrego Palermo | 1–0 | Miranda Camus | Final Campeonato de Ajedrez Absoluto de Chile 2025 | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Feb 27, 2025 | Orrego Palermo | 1–0 | Contreras Suazo | Final Campeonato de Ajedrez Absoluto de Chile 2025 | Sicilian Defense: Kan Variation, Maróczy Bind, Réti Variation | |
| Feb 27, 2025 | Amigo Quintana | 1–0 | Orrego Palermo | Final Campeonato de Ajedrez Absoluto de Chile 2025 | King's Indian Defense: Fianchetto Variation, Panno Variation | |
| Feb 26, 2025 | Vargas Maliqueo | 0–1 | Orrego Palermo | Final Campeonato de Ajedrez Absoluto de Chile 2025 | Queen's Gambit Declined: Orthodox Defense, Main Line | |
| Feb 25, 2025 | Correa Pena | 1–0 | Orrego Palermo | Final Campeonato de Ajedrez Absoluto de Chile 2025 | Sicilian Defense: Najdorf Variation, Lipnitsky Attack | |
| Feb 24, 2025 | Vasquez Toledo | 1–0 | Orrego Palermo | Final Campeonato de Ajedrez Absoluto de Chile 2025 | Sicilian Defense: Najdorf Variation | |
| Feb 23, 2025 | Orrego Palermo | ½–½ | Lopez Silva | Final Campeonato de Ajedrez Absoluto de Chile 2025 | Italian Game: Classical Variation, Giuoco Pianissimo | |
| Feb 23, 2025 | Moya Aguilera | 0–1 | Orrego Palermo | Final Campeonato de Ajedrez Absoluto de Chile 2025 | Sicilian Defense: Bowdler Attack | |
| Feb 20, 2025 | Orrego Palermo | 0–1 | Diaz Contreras | CENTENARIO CHESS MASTERS GRUPO B | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| Feb 19, 2025 | Orrego Palermo | 0–1 | Chavez Dinamarca | CENTENARIO CHESS MASTERS GRUPO B | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Feb 19, 2025 | Cuevas Araya | 1–0 | Orrego Palermo | CENTENARIO CHESS MASTERS GRUPO B | Sicilian Defense: Closed | |
| Feb 18, 2025 | Orrego Palermo | ½–½ | Henriquez Hidalgo | CENTENARIO CHESS MASTERS GRUPO B | Sicilian Defense: Modern Variations, Ginsberg Gambit | |
| Feb 18, 2025 | Bombardiere Castro | 0–1 | Orrego Palermo | CENTENARIO CHESS MASTERS GRUPO B | Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan | |
| Feb 17, 2025 | Orrego Palermo | 1–0 | Chacon Salinas | CENTENARIO CHESS MASTERS GRUPO B | Sicilian Defense: Kan Variation, Modern Variation | |
| Feb 17, 2025 | Miranda Camus | 1–0 | Orrego Palermo | CENTENARIO CHESS MASTERS GRUPO B | Italian Game: Giuoco Pianissimo, Normal | |
| Jan 25, 2025 | Orrego Palermo | 1–0 | Vera Quijon | Nacional Sub 20 Absoluto 2025 | Rapport-Jobava System | |
| Jan 24, 2025 | Orrego Palermo | 0–1 | Munoz Ramos | Nacional Sub 20 Absoluto 2025 | Sicilian Defense: Najdorf Variation, Main Line | |
| Jan 24, 2025 | Carvajal Arellano | 0–1 | Orrego Palermo | Nacional Sub 20 Absoluto 2025 | Sicilian Defense: Najdorf Variation | |
| Jan 23, 2025 | Cordero Alchahueni | 0–1 | Orrego Palermo | Nacional Sub 20 Absoluto 2025 | Nimzo-Indian Defense: Sämisch Variation, O'Kelly Variation | |
| Jan 22, 2025 | Orrego Palermo | 0–1 | Marrujo Pardo | Nacional Sub 20 Absoluto 2025 | Italian Game: Classical Variation, Giuoco Pianissimo | |
| Jan 22, 2025 | Perez Rojas | 0–1 | Orrego Palermo | Nacional Sub 20 Absoluto 2025 | English Opening: King's English Variation, Kramnik-Shirov Counterattack | |
| Jan 21, 2025 | Orrego Palermo | ½–½ | Ricouz Vasquez | Nacional Sub 20 Absoluto 2025 | Scandinavian Defense: Mieses-Kotroc Variation | |
| Jan 21, 2025 | Leiva Mendoza | 0–1 | Orrego Palermo | Nacional Sub 20 Absoluto 2025 | Sicilian Defense: Closed | |
| Jan 20, 2025 | Orrego Palermo | 1–0 | Ros Rodriguez | Nacional Sub 20 Absoluto 2025 | Trompowsky Attack | |
| Oct 21, 2024 | Orrego Palermo | 1–0 | Bulgarini Torre | CLUB DE AJEDREZ CHILE - TORNEO INTERCLUBES 100 AÑOS CLAUSURA 2024 | French Defense: Advance Variation, Paulsen Attack | |
| Oct 17, 2024 | Barriga Silva | 1–0 | Orrego Palermo | CLUB DE AJEDREZ CHILE - TORNEO INTERCLUBES 100 AÑOS CLAUSURA 2024 | Nimzo-Indian Defense: Rubinstein System | |
| Oct 7, 2024 | Orrego Palermo | ½–½ | Palma Neira | Interclubes Clausura 2024 | Italian Game: Classical Variation, Giuoco Pianissimo, with a6 | |
| Sep 29, 2024 | Orrego Palermo | 1–0 | Caceres Leal | NOVENO CHESS BOSS - CHESS TOUR GRUPO A | Alekhine Defense: Exchange Variation | |
| Sep 29, 2024 | Orrego Palermo | 1–0 | Aravena Navarro | NOVENO CHESS BOSS - CHESS TOUR GRUPO A | Sicilian Defense: Hyperaccelerated Dragon | |
| Sep 29, 2024 | Jaque Gutierrez | ½–½ | Orrego Palermo | NOVENO CHESS BOSS - CHESS TOUR GRUPO A | Sicilian Defense: Moscow Variation | |
| Sep 28, 2024 | Orrego Palermo | ½–½ | Amigo Quintana | NOVENO CHESS BOSS - CHESS TOUR GRUPO A | Sicilian Defense: Taimanov Variation | |
| Sep 28, 2024 | Barriga Silva | ½–½ | Orrego Palermo | NOVENO CHESS BOSS - CHESS TOUR GRUPO A | Sicilian Defense: Closed | |
| Sep 28, 2024 | Diaz Vasquez | ½–½ | Orrego Palermo | NOVENO CHESS BOSS - CHESS TOUR GRUPO A | Nimzo-Indian Defense: Spielmann Variation | |
| Sep 27, 2024 | Bahamondes Ortiz | ½–½ | Orrego Palermo | NOVENO CHESS BOSS - CHESS TOUR GRUPO A | Bogo-Indian Defense: Retreat Variation | |
| Aug 4, 2024 | Orrego Palermo | 1–0 | Donoso Diaz | OCTAVO CHESS BOSS-CHESS TOUR GRUPO A | Sicilian Defense: Taimanov Variation, Bastrikov Variation | |
| Aug 4, 2024 | Orrego Palermo | 0–1 | Marrujo Pardo | OCTAVO CHESS BOSS-CHESS TOUR GRUPO A | Sicilian Defense: Dragon Variation, Yugoslav Attack, Modern Line | |
| Aug 4, 2024 | Hernandez Riera | 1–0 | Orrego Palermo | OCTAVO CHESS BOSS-CHESS TOUR GRUPO A | English Opening: Anglo-Indian Defense, King's Knight Variation | |