| 1261.9 | 1262.7 | 20 | 20 | Van Der Merwe, P (Phillip) | | GSV | 1168.2 | 1139.5 | HS Drie Riviere Chess Open Section 2024 (LSEN) | 5 | 2024-03-09 | S | B | 0 | 0.57 | -0.57 | -9.5 | 0.6 | -0.6 | -12 |
| 1258.6 | 1262.3 | 20 | 20 | Van Der Merwe, P (Phillip) | | GSV | 1152.4 | 1108.7 | 2024 Gauteng Inter-Region Chess Championship (LSEN) | 5 | 2024-01-14 | S | W | 1 | 0.67 | 0.33 | 5.5 | 0.72 | 0.28 | 5.6 |
| 1251 | 1255.2 | 20 | 20 | Van Der Merwe, P (Phillip) | | GSV | 1210.4 | 1182.3 | NWU Vaal Open 2023 (LSEN) | 1 | 2023-10-14 | S | B | 1 | 0.51 | 0.49 | 8.1 | 0.54 | 0.46 | 9.2 |
| 1214.9 | 1222.8 | 20 | 20 | Van Der Merwe, P (Phillip) | | GSV | 1150.9 | 1147.2 | Valia's Chess Tournament 2023 (LSEN) | 5 | 2023-05-06 | S | B | 1 | 0.53 | 0.47 | 7.8 | 0.55 | 0.45 | 9 |
| 1159.1 | 1154 | 20 | 20 | Van Der Merwe, P (Phillip) | | GSV | 1107.4 | 1103.8 | Overvaal Open 2023 (F) | 4 | 2023-04-15 | S | W | 0 | 0.6 | -0.6 | -10 | 0.6 | -0.6 | -12 |
