| 1167.1 | 1165.6 | 20 | 20 | Diedericks, C (Christiaan) | | GSV | 1382.8 | 1380.9 | LS Vryheidsmonument Chess Open 2022 (LSEN) | 1 | 2022-05-07 | S | B | 0 | 0.21 | -0.21 | -3.5 | 0.21 | -0.21 | -4.2 |
| 1131.5 | 1116.3 | 20 | 20 | Diedericks, C (Christiaan) | | GSV | 1343.4 | 1331.2 | Lux Deo NG Kerk Chess Open 2022 (LSEN) | 1 | 2022-04-09 | S | B | 0 | 0.21 | -0.21 | -3.5 | 0.21 | -0.21 | -4.2 |
| 1206.5 | 1210.7 | 20 | 20 | Diedericks, C (Christiaan) | | GSV | 1379 | 1372.6 | Mabaleng Chess Open 2021 (B) | 1 | 2021-11-21 | S | B | 0 | 0.26 | -0.26 | -4.3 | 0.27 | -0.27 | -5.4 |
| 951.8 | 946.4 | 20 | 20 | Diedericks, C (Christiaan) | | GSV | 1231.5 | 1225.4 | LS Voorwaarts & Dr P Hangelbroek Chess Open 2019 (LSEN) | 3 | 2019-08-31 | S | W | 0 | 0.22 | -0.22 | -3.7 | 0.22 | -0.22 | -4.4 |
| 964.7 | 961.2 | 20 | 20 | Diedericks, C (Christiaan) | | GSV | 1245.6 | 1238 | Drie Riviere Open 2019 (E) | 5 | 2019-06-08 | S | W | 0 | 0.21 | -0.21 | -3.5 | 0.22 | -0.22 | -4.4 |
| 888.1 | 883.1 | 20 | 20 | Diedericks, C (Christiaan) | | GSV | 1247.7 | 1239.5 | Dirk de Koster Chess Open 2019 (LESN) | 5 | 2019-04-13 | S | W | 0 | 0.12 | -0.12 | -2 | 0.13 | -0.13 | -2.6 |
| 604.1 | 592.3 | 20 | 20 | Diedericks, C (Christiaan) | | GSV | 983.4 | 971 | South African LSEN Championships 2018 (U16 SID) | 2 | 2018-12-22 | S | W | 0 | 0.1 | -0.1 | -1.7 | 0.1 | -0.1 | -2 |
| 591.3 | 576.1 | 20 | 20 | Diedericks, C (Christiaan) | | GSV | 922.7 | 921.4 | Fonteine Open 2018 (LSEN) | 4 | 2018-10-13 | S | B | 0 | 0.07 | -0.07 | -1.2 | 0.06 | -0.06 | -1.2 |
| 500 | 500 | 20 | 20 | Diedericks, C (Christiaan) | | GSV | 777.8 | 808.2 | Broadland`s Knights Chess Open 2018 (LSEN) | 3 | 2018-06-16 | S | B | 0 | 0.13 | -0.13 | -2.2 | 0.1 | -0.1 | -2 |
| 500 | 500 | 20 | 20 | Diedericks, C (Christiaan) | | GSV | 543 | 543 | Fonteine Ope 2017 (E-Lsen) | 3 | 2017-10-14 | S | B | 0 | 0.44 | -0.44 | -7.3 | -0.44 | 0.44 | 8.8 |
