| 966.4 | 959.7 | 20 | 20 | Diedericks, C (Christiaan) | | GSV | 1231.5 | 1225.4 | LS Voorwaarts & Dr P Hangelbroek Chess Open 2019 (LSEN) | 1 | 2019-08-31 | S | B | 0 | 0.15 | -0.15 | -2.5 | 0.15 | -0.15 | -3 |
| 975.7 | 974.1 | 20 | 20 | Diedericks, C (Christiaan) | | GSV | 1213.3 | 1200.2 | TST-MSA Chess Open 2019 (LSEN) | 1 | 2019-07-20 | S | B | 0 | 0.18 | -0.18 | -3 | 0.2 | -0.2 | -4 |
| 649.2 | 612 | 20 | 20 | Diedericks, C (Christiaan) | | GSV | 904.3 | 929 | TST-MSA Tournament 2018 | 2 | 2018-07-21 | S | W | 0 | 0.24 | -0.24 | -4 | 0.17 | -0.17 | -3.4 |
| 618 | 551.2 | 20 | 20 | Diedericks, C (Christiaan) | | GSV | 777.8 | 808.2 | Hoerskool Drie Riviere Open 2018 (LSEN) | 1 | 2018-06-09 | S | B | 0 | 0.27 | -0.27 | -4.5 | 0.16 | -0.16 | -3.2 |
| 618 | 551.2 | 20 | 20 | Diedericks, C (Christiaan) | | GSV | 777.8 | 808.2 | Broadland`s Knights Chess Open 2018 (LSEN) | 1 | 2018-06-16 | S | B | 0 | 0.27 | -0.27 | -4.5 | 0.16 | -0.16 | -3.2 |
| 500 | 500 | 20 | 20 | Diedericks, C (Christiaan) | | GSV | 500 | 500 | Carels Open Chess Tournament 2017 (E-Lsen) | 2 | 2017-03-04 | S | W | 0 | 0.5 | -0.5 | -8.3 | -0.5 | 0.5 | 10 |
