| Jan 24, 2026 | Gutierrez Garcia | 1–0 | Claudio Piedras | Round 5: Gutierrez Garcia, Vicente - Claudio Piedras, Arturo | Sicilian Defense: Four Knights Variation | |
| Jan 24, 2026 | Claudio Piedras | 1–0 | Vargas Fonseca | Round 4: Claudio Piedras, Arturo - Vargas Fonseca, Kevin Daniel | Caro-Kann Defense: Classical Variation | |
| Jan 24, 2026 | Santiago Martinez | 0–1 | Claudio Piedras | Round 3: Santiago Martinez, Citlali - Claudio Piedras, Arturo | Pirc Defense | |
| Jan 24, 2026 | Claudio Piedras | 1–0 | Lopez Altamirano | Round 2: Claudio Piedras, Arturo - Lopez Altamirano, Tlatoani | Sicilian Defense: Accelerated Dragon, Modern Variation | |
| Jan 23, 2026 | Escobar Badillo | 0–1 | Claudio Piedras | Round 1: Escobar Badillo, Santiago - Claudio Piedras, Arturo | Pirc Defense: Classical Variation | |
| Dec 6, 2025 | Lozada Resendiz | 1–0 | Claudio Piedras | Round 7: Lozada Resendiz, Daniel Ivan - Claudio Piedras, Arturo | English Opening: King's English Variation | |
| Dec 6, 2025 | Claudio Piedras | 0–1 | Lara Olvera | Round 5: Claudio Piedras, Arturo - Lara Olvera, Rogelio | French Defense: Advance Variation, Main Line | |
| Dec 6, 2025 | Guerrero Galeana | 0–1 | Claudio Piedras | Round 4: Guerrero Galeana, Gerardo Vladimir - Claudio Piedras, Arturo | Semi-Slav Defense: Normal Variation | |
| Dec 6, 2025 | Claudio Piedras | 0–1 | Turincio Garcia | Round 3: Claudio Piedras, Arturo - Turincio Garcia, Sergio | Caro-Kann Defense: Tartakower Variation | |
| Nov 30, 2025 | Claudio Piedras | 0–1 | Alvarado Zuniga | Round 6: Claudio Piedras, Arturo - Alvarado Zuniga, Noe | Sicilian Defense: Accelerated Dragon, Modern Variation | |
| Nov 30, 2025 | Carvajal Alarcon | 1–0 | Claudio Piedras | Round 5: Carvajal Alarcon, Jose Arturo - Claudio Piedras, Arturo | Pirc Defense: Austrian Attack, Weiss Variation | |
| Nov 29, 2025 | Garcia de Dios | 0–1 | Claudio Piedras | Round 4: Garcia de Dios, Luis Ernesto - Claudio Piedras, Arturo | King's Indian Defense: Fianchetto Variation | |
| Nov 29, 2025 | Islas Alvarez | 0–1 | Claudio Piedras | Round 2: Islas Alvarez, Luis Angel - Claudio Piedras, Arturo | East Indian Defense | |
| Nov 29, 2025 | Claudio Piedras | 1–0 | Alvarez Martin | Round 1: Claudio Piedras, Arturo - Alvarez Martin, Alberto | Sicilian Defense: Taimanov Variation | |
| Nov 29, 2025 | Claudio Piedras | ½–½ | Banos Medrano | Round 3: Claudio Piedras, Arturo - Banos Medrano, David Adolfo | Nimzowitsch Defense: Scandinavian Variation, Advance Variation | |
