| 1184.7 | 1175.3 | 20 | 20 | Ahjum, J (Jordan) | | NCF | 1204.2 | 1192.7 | Frances Baard Chess Open 2020 (C) | 5 | 2020-02-01 | S | B | 1 | 0.44 | 0.56 | 9.3 | 0.44 | 0.56 | 11.2 |
| 1010.3 | 1020.4 | 20 | 20 | Ahjum, J (Jordan) | | NCF | 1029.7 | 1028.2 | Northern Cape Open 2018 (B) | 6 | 2018-10-27 | S | B | 0.5 | 0.44 | 0.06 | 1 | 0.45 | 0.05 | 1 |
| 811.4 | 840.4 | 20 | 20 | Ahjum, J (Jordan) | | NCF | 879 | 893.6 | Moja Chess Club Open Tournament 2018 (B) | 2 | 2018-03-02 | S | B | 1 | 0.38 | 0.62 | 11.7 | 0.4 | 0.6 | 12 |
| 619 | 619 | 20 | 20 | Ahjum, J (Jordan) | | NC | 618 | 618 | Kimberley Chess Club Open - 09 December 2017 (C) | 2 | 2017-12-09 | S | B | 0 | 0.5 | -0.5 | -8.3 | -0.5 | 0.5 | 10 |
| 561 | 561 | 20 | 20 | Ahjum, J (Jordan) | | NC | 651 | 651 | Kimberley Chess Club Open Tournament - 01 July 2017 (C) | 4 | 2017-07-01 | S | B | 1 | 0.38 | 0.62 | 10.3 | 0.62 | 0.38 | 7.6 |
| 694 | 694 | 20 | 20 | Ahjum, J (Jordan) | | NC | 621 | 621 | Kimberley Chess Club Open Tournament 2016 (C) | 2 | 2016-10-01 | S | B | 0.5 | 0.6 | -0.1 | -1.7 | -0.1 | 0.6 | 12 |
| 592 | 592 | 20 | 20 | Ahjum, J (Jordan) | | NC | 683 | 683 | Beaconsfield Chess Club Fundraising Tournament 2016 (C) | 5 | 2016-07-30 | S | W | 0.5 | 0.38 | 0.12 | 2 | 0.12 | 0.38 | 7.6 |
| 571 | 571 | 20 | 20 | Ahjum, J (Jordan) | | NC | 718 | 718 | Kimberley Circuit Schools Chess Individuals (U9) | 4 | 2015-10-31 | S | W | 0 | 0.3 | -0.3 | -5 | -0.3 | 0.3 | 6 |
| 434 | 434 | 20 | 20 | Ahjum, J (Jordan) | | NC | 674 | 674 | Kimberley Chess Club Open Tournament (C-Section) | 1 | 2015-05-02 | S | W | 0 | 0.2 | -0.2 | -3.3 | -0.2 | 0.2 | 4 |
| 444 | 444 | 20 | 20 | Ahjum, J (Jordan) | | NC | 779 | 779 | 6 7 Maart Newton (C D Seksie) | 1 | 2015-03-06 | S | B | 0 | 0.12 | -0.12 | -2 | -0.12 | 0.12 | 2.4 |
