15 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Heinichen R., John Derek | Farfan Ortiz, Enrique Alfredo | 0-1 | B22 | ZONAL 2.5 ABSOLUTO CHILE 2025 | 2025-03-14 |
| Heinichen R., John Derek | Heinichen R., Juan Uvaldo | 1/2-1/2 | B25 | ZONAL 2.5 ABSOLUTO CHILE 2025 | 2025-03-12 |
| Heinichen R., John Derek | Tokman, Ariel | 0-1 | A05 | ZONAL 2.5 ABSOLUTO CHILE 2025 | 2025-03-10 |
| John Derek Heinichen R. | Alikhan Khazhatuly | 1/2-1/2 | B42 | Round 7: John Derek Heinichen R. - Alikhan Khazhatuly | 2023-11-08 |
| John Derek Heinichen R. | Pernekhan Ravil | 1/2-1/2 | B90 | Round 5: John Derek Heinichen R. - Pernekhan Ravil | 2023-11-06 |
| John Derek Heinichen R. | Naif Al Dosari | 1-0 | B13 | Round 4: John Derek Heinichen R. - Naif Al Dosari | 2023-11-05 |
| John Derek Heinichen R. | Ali Al Areqi Yaser | 1-0 | B46 | Round 1: John Derek Heinichen R. - Uwe Roehrig | 2023-11-03 |