9 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Izidoro, Klaus | Martins, Diogo Faria Oliveira | 0-1 | A30 | CN Amador 2025-26 | 2026-09-05 |
| Izidoro, Klaus | Ferreira, Joao Alvaro | 1/2-1/2 | A70 | CN Amador 2025-26 | 2026-09-05 |
| Izidoro, Klaus | Demyanchuk, Sergey | 1-0 | D55 | CN Amador 2025-26 | 2026-09-03 |
| Izidoro, Klaus | Matos, Maria Rita | 1-0 | D37 | CN Jovens 2025-26 - U16 U14 U12 | 2026-04-01 |
| Izidoro, Klaus | Reis, Duarte | 0-1 | A46 | jovens | 2025-04-16 |