| 1124 | 1099.2 | 20 | 20 | Van Der Merwe, S (Sebastian) | | EBC | 1255.2 | 1274.2 | 3rd BC Trials 2023 (U10A) | 5 | 2023-08-12 | S | B | 0 | 0.31 | -0.31 | -5.1 | 0.25 | -0.25 | -5 |
| 1120.4 | 1140 | 20 | 20 | Van Der Merwe, S (Sebastian) | | EBC | 1256.3 | 1159.2 | 2nd BC Trials 2023 (U10A) | 4 | 2023-06-03 | R | W | 0 | 0.38 | -0.38 | -4.6 | 0.52 | -0.52 | -10.4 |
| 1101.4 | 1126 | 20 | 20 | Van Der Merwe, S (Sebastian) | | EBC | 1190.6 | 1182 | Slum Knights 2nd Open 2022 (C) | 3 | 2022-09-17 | R | B | 0.5 | 0.35 | 0.15 | 2 | 0.39 | 0.11 | 2.2 |
| 1112.4 | 1200 | 20 | 20 | Van Der Merwe, S (Sebastian) | | EBC | 1200 | 1200 | BC Chess 4th Border Trials 2022 (C) | 5 | 2022-05-21 | R | B | 0 | 0.36 | -0.36 | -3.4 | 0.46 | -0.46 | -9.2 |
