| Jan 25, 2026 | Pumachaico Valdiviezo | * | Alfaro Zambrano | Round 6: Pumachaico Valdiviezo, Piero Alonso - Alfaro Zambrano, Luis Fabricio | Queen's Gambit Accepted: Gunsberg Defense | |
| Jan 24, 2026 | Obesso Uribe | 0–1 | Pumachaico Valdiviezo | Round 5: Obesso Uribe, Juan de Dios Gabriel - Pumachaico Valdiviezo, Piero Alonso | Benko Gambit Accepted: Fully Accepted Variation | |
| Jan 24, 2026 | Pumachaico Valdiviezo | 1–0 | Loayza Velez | Round 4: Pumachaico Valdiviezo, Piero Alonso - Loayza Velez, Max Hernan | Indian Defense: Budapest Defense, Adler Variation | |
| Jan 23, 2026 | Salas Beraun | * | Pumachaico Valdiviezo | Round 3: Salas Beraun, Sebastian Gael - Pumachaico Valdiviezo, Piero Alonso | Indian Defense: Knights Variation | |
| Jan 22, 2026 | Pumachaico Valdiviezo | * | Nunez Castaneda | Round 2: Pumachaico Valdiviezo, Piero Alonso - Nunez Castaneda, Joaquin Alonso | Tarrasch Defense: Schara Gambit | |
| Jan 22, 2026 | Rodriguez Rubio | ½–½ | Pumachaico Valdiviezo | Round 7: Rodriguez Rubio, Alex Steven - Pumachaico Valdiviezo, Piero Alonso | English Opening: Agincourt Defense | |
| Jan 22, 2026 | Garcia Benites | 0–1 | Pumachaico Valdiviezo | Round 1: Garcia Benites, Darikson Ronald - Pumachaico Valdiviezo, Piero Alonso | Bogo-Indian Defense: Nimzowitsch Variation | |
| Jul 30, 2025 | Vilca Contreras | 1–0 | Pumachaico Valdiviezo | Round 5: Vilca Contreras, Dante Ivan - Pumachaico Valdiviezo, Piero Alonso | French Defense: Steinitz Variation, Boleslavsky Variation | |
| Jul 30, 2025 | Duarte Fernandez | 0–1 | Pumachaico Valdiviezo | Round 4: Duarte Fernandez, Agustin - Pumachaico Valdiviezo, Piero Alonso | Trompowsky Attack: Edge Variation | |
| Jun 29, 2025 | Pumachaico Valdiviezo | * | Vergara Jofre | Ronda 7: Pumachaico Valdiviezo, Piero Alonso - Vergara Jofre, Felipe | ? | |
| Jun 29, 2025 | Pumachaico Valdiviezo | 1–0 | Sifuentes Alcantara | Ronda 6: Pumachaico Valdiviezo, Piero Alonso - Sifuentes Alcantara, Jhony Sebas | Trompowsky Attack | |
| Jun 28, 2025 | Pumachaico Valdiviezo | 0–1 | Fernandez Sanchez | Ronda 4: Pumachaico Valdiviezo, Piero Alonso - Fernandez Sanchez, Fernando Miguel | Benko Gambit Accepted: Fully Accepted Variation | |
| Jun 28, 2025 | Donayre | ½–½ | Pumachaico Valdiviezo | Ronda 3: Donayre, Bertin - Pumachaico Valdiviezo, Piero Alonso | Caro-Kann Defense: Advance Variation, Tal Variation | |
| Dec 13, 2024 | Rueda Ahumada | 0–1 | Pumachaico Valdiviezo | Round 9: Rueda Ahumada, Gabriel Omar - Pumachaico Valdiviezo, Piero Alonso | Nimzo-Indian Defense: Reshevsky Variation | |
| Dec 9, 2024 | Torales G. | 1–0 | Pumachaico Valdiviezo | Round 3: Torales G., Ivan Alejandro B. - Pumachaico Valdiviezo, Piero Alonso | French Defense: Exchange Variation, Monte Carlo Variation | |
| May 4, 2024 | Herrera Jimenez | 1–0 | Pumachaico Valdiviezo | Round 5: Herrera Jimenez, Mateo - Pumachaico Valdiviezo, Piero Alonso | Caro-Kann Defense: Exchange Variation | |
| May 4, 2024 | Pumachaico Valdiviezo | ½–½ | Yang | Round 4: Pumachaico Valdiviezo, Piero Alonso - Yang, Maxwell | London System | |
| May 3, 2024 | Cano Alcaraz | 0–1 | Pumachaico Valdiviezo | Round 3: Cano Alcaraz, Juan Jose - Pumachaico Valdiviezo, Piero Alonso | Caro-Kann Defense: Advance Variation, Short Variation | |
| Nov 24, 2024 | Pumachaico Valdiviezo | 1–0 | Quiroz Alva | Round 5: Pumachaico Valdiviezo, Piero Alonso - Quiroz Alva, Franco Rodrigo | Rat Defense: English Rat | |
| Nov 24, 2024 | Sifuentes Alcantara | 1–0 | Pumachaico Valdiviezo | Round 6: Sifuentes Alcantara, Jhony Sebas - Pumachaico Valdiviezo, Piero Alonso | English Opening: Agincourt Defense, Catalan Defense Accepted | |
| Nov 23, 2024 | Alvarado Zamora | 1–0 | Pumachaico Valdiviezo | Round 2: Alvarado Zamora, Albert - Pumachaico Valdiviezo, Piero Alonso | French Defense: Diemer-Duhm Gambit Accepted | |
| Nov 23, 2024 | Barbaran Villena | 0–1 | Pumachaico Valdiviezo | Round 4: Barbaran Villena, Carlos Eduardo - Pumachaico Valdiviezo, Piero Alonso | French Defense: Exchange Variation | |
