42 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Ulloa Castillo, Ruben Abraham | Budhidharma, Nayaka | 0-1 | A48 | Olymp 2026 Open | 2026-09-19 |
| Ulloa Castillo, Ruben Abraham | Delrieu, Marc | 1-0 | A46 | Olymp 2026 Open | 2026-09-16 |
| Ulloa Castillo, Ruben Abraham | Espinosa Veloz, Ermes | 0-1 | A43 | V Panama Chess Open 2026 | 2026-08-29 |
| Ulloa Castillo, Ruben Abraham | Fernandez Sanchez, Fernando Miguel | 0-1 | A46 | V Panama Chess Open 2026 | 2026-08-29 |
| Ulloa Castillo, Ruben Abraham | Schnell, Sebastian Narayana | 1-0 | D02 | V Panama Chess Open 2026 | 2026-08-27 |
| Ulloa Castillo, Ruben Abraham | Blackwood, Ryan | 1-0 | D13 | V Panama Chess Open 2026 | 2026-08-27 |
| Ulloa Castillo, Ruben Abraham | Vargas Ramos, Rogelio Alberto | 1-0 | D13 | V Panama Chess Open 2026 | 2026-08-25 |
| Ulloa Castillo, Ruben Abraham | Cardenas Carbajal, Nilson | 1-0 | A48 | XII Juegos Centroamericanos, Guatemala 2025 Masculino Blitz | 2025-10-30 |
| Ulloa Castillo, Ruben Abraham | Juarez Flores, Carlos A. | 0-1 | D02 | XII Juegos Centroamericanos, Guatemala 2025 Masculino Blitz | 2025-10-30 |
| Ulloa Castillo, Ruben Abraham | Lizano Quiros, Matias Haziel | 1-0 | A46 | XII Juegos Centroamericanos, Guatemala 2025 MASCULINO | 2025-10-28 |
| Ulloa Castillo, Ruben Abraham | Rocha, Maximiliano | 0-1 | C72 | XII Juegos Centroamericanos, Guatemala 2025 MASCULINO | 2025-10-26 |
| Ulloa, Ruben Abraham | Baules Rodriguez, Jorge Luis | 1/2-1/2 | A48 | Round 5: Ulloa, Ruben Abraham - Baules Rodriguez, Jorge Luis | 2024-11-24 |
| Ulloa, Ruben Abraham | Arosemena Torrijos, Jorge Luis | 1-0 | A47 | Round 3: Ulloa, Ruben Abraham - Arosemena Torrijos, Jorge Luis | 2024-11-23 |
| Ulloa, Ruben Abraham | Neira Rodriguez, Carlos Fernando | 1/2-1/2 | B12 | Round 1: Ulloa, Ruben Abraham - Neira Rodriguez, Carlos Fernando | 2024-11-22 |
| Ulloa, Ruben Abraham | Sanchez Alvarez, Roberto Carlos | 0-1 | D04 | Round 5: Ulloa, Ruben Abraham - Sanchez Alvarez, Roberto Carlos | 2024-11-10 |
| Ruben Abraham Ulloa | Elier Miranda Mesa | 0-1 | B40 | Round 9: Ruben Abraham Ulloa - Elier Miranda Mesa | 2023-12-02 |
| Ruben Abraham Ulloa | Licael Roderick Ticona Rocabado | 1-0 | C07 | Round 7: Ruben Abraham Ulloa - Licael Roderick Ticona Rocabado | 2023-11-30 |
| Ruben Abraham Ulloa | Diego Saul Rodri Flores Quillas | * | A46 | Round 2: Ruben Abraham Ulloa - Diego Saul Rodri Flores Quillas | 2023-11-26 |
| Ruben Abraham Ulloa | Adrian Ignacio Cortes Franco | 1-0 | B00 | Round 9: Ruben Abraham Ulloa - Adrian Ignacio Cortes Franco | 2023-11-10 |
| Ruben Abraham Ulloa | Rogelio Oscar Sanchez Bermudez | 1-0 | C70 | Round 7: Ruben Abraham Ulloa - Rogelio Oscar Sanchez Bermudez | 2023-11-09 |
| Ruben Abraham Ulloa | Aleksa Strikovic | 0-1 | C41 | Round 5: Ruben Abraham Ulloa - Aleksa Strikovic | 2023-11-08 |
| Ruben Abraham Ulloa | Vladimir Georgiev | 0-1 | C41 | Round 3: Ruben Abraham Ulloa - Vladimir Georgiev | 2023-11-07 |