| May 14, 2026 | Campos Zambrano | 0–1 | Cordero Alchahueni | Round 9: Campos Zambrano, Alexis Andres - Cordero Alchahueni, Jorge Marcelo | ? | |
| May 11, 2026 | Navarro Bustos | 0–1 | Cordero Alchahueni | Round 8: Navarro Bustos, Diego - Cordero Alchahueni, Jorge Marcelo | Semi-Slav Defense: Botvinnik Variation | |
| May 4, 2026 | Cordero Alchahueni | 1–0 | Encina Aranda | Round 6: Cordero Alchahueni, Jorge Marcelo - Encina Aranda, Manuel Fernando | King's Indian Defense: Orthodox Variation, Classical System | |
| Mar 9, 2026 | Cordero Alchahueni | 0–1 | Leiva Mendoza | Ronda 4: Cordero Alchahueni, Jorge Marcelo - Leiva Mendoza, Matias | French Defense: Advance Variation, Paulsen Attack | |
| Mar 5, 2026 | Cosoi Scherzer | ½–½ | Cordero Alchahueni | Ronda 3: Cosoi Scherzer, Alejandro - Cordero Alchahueni, Jorge Marcelo | Sicilian Defense: Delayed Alapin Variation, with e6 | |
| Mar 4, 2026 | Quiroz Becerra | ½–½ | Cordero Alchahueni | Ronda 2: Quiroz Becerra, Tomas Pablo - Cordero Alchahueni, Jorge Marcelo | Sicilian Defense: Alapin Variation, Barmen Defense | |
| Mar 3, 2026 | Cordero Alchahueni | 1–0 | Orellana Orellana | Ronda 1: Cordero Alchahueni, Jorge Marcelo - Orellana Orellana, Daniel Agustin | Zukertort Opening: Reversed Grünfeld | |
| Jan 31, 2026 | Cordero Alchahueni | 1–0 | Nandwani Narwani | I CHESS OPEN SANTIAGO 2026 - CLUB DE AJEDREZ DE CHILE | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Jan 31, 2026 | Gonzalez Martinez | 0–1 | Cordero Alchahueni | I CHESS OPEN SANTIAGO 2026 - CLUB DE AJEDREZ DE CHILE | Sicilian Defense: Scheveningen Variation, Vitolins Variation | |
| Jan 30, 2026 | Cordero Alchahueni | 0–1 | Donoso Simonetti | I CHESS OPEN SANTIAGO 2026 - CLUB DE AJEDREZ DE CHILE | Semi-Slav Defense: Quiet Variation | |
| Jan 29, 2026 | Gutierrez Montes | 1–0 | Cordero Alchahueni | I CHESS OPEN SANTIAGO 2026 - CLUB DE AJEDREZ DE CHILE | Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation, Novosibirsk Variation | |
| Jan 28, 2026 | Cordero Alchahueni | ½–½ | Gonzalez Morales | I CHESS OPEN SANTIAGO 2026 - CLUB DE AJEDREZ DE CHILE | King's Indian Defense: Fianchetto Variation | |
| Jan 27, 2026 | Tapia Fuentes | 0–1 | Cordero Alchahueni | I CHESS OPEN SANTIAGO 2026 - CLUB DE AJEDREZ DE CHILE | Zukertort Opening: Nimzo-Larsen Variation | |
| Jan 26, 2026 | Lopez Miller | 1–0 | Cordero Alchahueni | I CHESS OPEN SANTIAGO 2026 - CLUB DE AJEDREZ DE CHILE | French Defense: Tarrasch Variation, Guimard Defense, Main Line | |
| May 30, 2025 | Egger | 1–0 | Cordero Alchahueni | CLUB DE AJEDREZ CHILE - INTERCLUBES 100 ANOS - CLUB DE AJEDREZ CHILE 2025 | French Defense: Tarrasch Variation, Morozevich Variation | |
| May 23, 2025 | Cuevas Araya | 1–0 | Cordero Alchahueni | CLUB DE AJEDREZ CHILE - INTERCLUBES 100 ANOS - CLUB DE AJEDREZ CHILE 2025 | French Defense: Tarrasch Variation, Closed Variation, Main Line | |
| May 9, 2025 | Cordero Alchahueni | 1–0 | Diaz Dennett | CLUB DE AJEDREZ CHILE - INTERCLUBES 100 ANOS - CLUB DE AJEDREZ CHILE 2025 | Vienna Game: Vienna Gambit, Bardeleben Variation | |
| Jan 25, 2025 | Salas Radovic | 1–0 | Cordero Alchahueni | Nacional Sub 20 Absoluto 2025 | French Defense: Tarrasch Variation, Morozevich Variation | |
| Jan 24, 2025 | Cordero Alchahueni | 0–1 | Perez Rojas | Nacional Sub 20 Absoluto 2025 | Semi-Slav Defense: Marshall Gambit, Main Line | |
| 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 | Arias Diaz | ½–½ | Cordero Alchahueni | Nacional Sub 20 Absoluto 2025 | Benoni Defense: King's Pawn Line | |
| Jan 21, 2025 | Cordero Alchahueni | 0–1 | Jaque Gutierrez | Nacional Sub 20 Absoluto 2025 | Bogo-Indian Defense: Grünfeld Variation | |
| Nov 4, 2024 | Cordero Alchahueni | 0–1 | Gonzalez Culi | CLUB DE AJEDREZ CHILE - TORNEO INTERCLUBES 100 AÑOS CLAUSURA 2024 | Queen's Gambit Declined: Exchange Variation, Reshevsky Variation | |
| Oct 24, 2024 | Cordero Alchahueni | 0–1 | Caurapan Montero | CLUB DE AJEDREZ CHILE - TORNEO INTERCLUBES 100 AÑOS CLAUSURA 2024 | Nimzo-Indian Defense: Kmoch Variation | |
| Aug 19, 2024 | Toro Benaderet | 0–1 | Cordero Alchahueni | CLUB AJEDREZ CHILE TORNEO IRT SUB 2400 AGOSTO 2024 | Sicilian Defense: Bowdler Attack | |
| Aug 14, 2024 | Cordero Alchahueni | 1–0 | Bulgarini Torre | CLUB AJEDREZ CHILE TORNEO IRT SUB 2400 AGOSTO 2024 | King's Indian Defense: Orthodox Variation | |
| Aug 12, 2024 | Passmore Bowman | 0–1 | Cordero Alchahueni | CLUB AJEDREZ CHILE TORNEO IRT SUB 2400 AGOSTO 2024 | Sicilian Defense: Four Knights Variation | |
| Aug 8, 2024 | Cordero Alchahueni | ½–½ | Caurapan Montero | CLUB AJEDREZ CHILE TORNEO IRT SUB 2400 AGOSTO 2024 | ? | |
| Aug 5, 2024 | Henriquez Hidalgo | 1–0 | Cordero Alchahueni | CLUB AJEDREZ CHILE TORNEO IRT SUB 2400 AGOSTO 2024 | Ruy Lopez: Closed, Breyer Defense, Zaitsev Hybrid | |
| Jun 28, 2024 | Cordero Alchahueni | 0–1 | Perez Rojas | Round 7: Cordero Alchahueni, Jorge Marcelo - Perez Rojas, Felipe | Semi-Slav Defense: Accelerated Move Order | |
| Jun 24, 2024 | Chiappero | 1–0 | Cordero Alchahueni | Round 2: Chiappero, Julio Alfredo - Cordero Alchahueni, Jorge Marcelo | Slav Defense: Czech Variation, Classical System | |