| 1072.7 | 1071.6 | 20 | 20 | Diedericks, C (Christiaan) | | GSV | 1267.4 | 1264.6 | Eureka LSEN Skaak/Chess 2019 (A) | 2 | 2019-10-09 | S | B | 0 | 0.23 | -0.23 | -3.8 | 0.23 | -0.23 | -4.6 |
| 996 | 994.1 | 20 | 20 | Diedericks, C (Christiaan) | | GSV | 1213.3 | 1200.2 | TST-MSA Chess Open 2019 (LSEN) | 3 | 2019-07-20 | S | B | 0 | 0.21 | -0.21 | -3.5 | 0.22 | -0.22 | -4.4 |
| 933.1 | 929.3 | 20 | 20 | Diedericks, C (Christiaan) | | GSV | 1245.6 | 1238 | Drie Riviere Open 2019 (E) | 3 | 2019-06-08 | S | W | 0 | 0.18 | -0.18 | -3 | 0.18 | -0.18 | -3.6 |
| 900.9 | 888.5 | 20 | 20 | Diedericks, C (Christiaan) | | GSV | 1247.7 | 1239.5 | Dirk de Koster Chess Open 2019 (LESN) | 1 | 2019-04-13 | S | B | 1 | 0.05 | 0.95 | 15.8 | 0.05 | 0.95 | 19 |
| 934.9 | 930.1 | 20 | 20 | Diedericks, C (Christiaan) | | GSV | 1242.5 | 1236.8 | 2019 Heidelberg Open (E) | 1 | 2019-02-02 | S | B | 0 | 0.1 | -0.1 | -2 | 0.1 | -0.1 | -2 |
| 624.2 | 619 | 20 | 20 | Diedericks, C (Christiaan) | | GSV | 922.7 | 921.4 | Fonteine Open 2018 (LSEN) | 1 | 2018-10-13 | S | W | 0 | 0.19 | -0.19 | -3.2 | 0.19 | -0.19 | -3.8 |
| 682 | 624.8 | 20 | 20 | Diedericks, C (Christiaan) | | GSV | 904.3 | 929 | TST-MSA Tournament 2018 | 1 | 2018-07-21 | S | B | 0 | 0.2 | -0.2 | -3.3 | 0.1 | -0.1 | -2 |
| 627.6 | 579.2 | 20 | 20 | Diedericks, C (Christiaan) | | GSV | 777.8 | 808.2 | Hoerskool Drie Riviere Open 2018 (LSEN) | 5 | 2018-06-09 | S | B | 0 | 0.28 | -0.28 | -4.6 | 0.19 | -0.19 | -3.8 |
| 627.6 | 579.2 | 20 | 20 | Diedericks, C (Christiaan) | | GSV | 777.8 | 808.2 | Broadland`s Knights Chess Open 2018 (LSEN) | 5 | 2018-06-16 | S | W | 0 | 0.37 | -0.37 | -6.1 | 0.28 | -0.28 | -5.6 |
| 500 | 500 | 20 | 20 | Diedericks, C (Christiaan) | | GSV | 593 | 593 | D7 Primary 2017 (Open) | 4 | 2017-04-22 | S | W | 0 | 0.37 | -0.37 | -6.1 | -0.37 | 0.37 | 7.4 |
| 0 | 0 | 20 | 20 | Diedericks, C (Christiaan) | | GSV | 625 | 625 | 2017 Heidelberg Open (Lsen) | 6 | 2017-02-04 | S | B | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
