| 1545.4 | 1550.9 | 20 | 20 | Ahjum, J (Jordan) | | NCF | 1304.8 | 1264.5 | 2024 Frances Baard Schools Open (U19) | 1 | 2024-02-03 | S | W | 1 | 0.82 | 0.18 | 3 | 0.88 | 0.12 | 2.4 |
| 1528.8 | 1537.9 | 20 | 20 | Ahjum, J (Jordan) | | NCF | 1151.3 | 1145.5 | KCC School Holiday Tournament 2023 (U18) | 1 | 2023-04-03 | S | W | 1 | 0.98 | 0.02 | 0.3 | 1 | 0 | 0 |
| 1528.8 | 1537.9 | 20 | 20 | Ahjum, J (Jordan) | | NCF | 1151.3 | 1145.5 | KCC School Holiday Tournament 2023 (U18) | 4 | 2023-04-04 | S | B | 1 | 0.9 | 0.1 | 1.7 | 0.91 | 0.09 | 1.8 |
| 1400.7 | 1388.8 | 20 | 20 | Ahjum, J (Jordan) | | NCF | 1204.3 | 1201.7 | Northern Cape Open Fundraiser 2021 (B) | 4 | 2021-03-20 | S | W | 1 | 0.77 | 0.23 | 3.9 | 0.76 | 0.24 | 4.8 |
| 1371.1 | 1348.8 | 20 | 20 | Ahjum, J (Jordan) | | NCF | 1213.6 | 1215.7 | Sol Plaatje Juniors II 2021 | 2 | 2021-02-20 | S | B | 1 | 0.64 | 0.36 | 6 | 0.61 | 0.39 | 7.8 |
| 1351.6 | 805.6 | 20 | 20 | Ahjum, J (Jordan) | | NCF | 1223 | 910 | NC Open Blitz 2020 (B) | 1 | 2020-10-31 | B | B | 1 | 0.61 | 0.39 | 1.8 | 0.34 | 0.66 | 13.2 |
| 986.3 | 1033.5 | 20 | 20 | Ahjum, J (Jordan) | | NCF | 879 | 893.6 | Moja Chess Club Open Tournament 2018 (B) | 4 | 2018-03-03 | S | W | 0 | 0.67 | -0.67 | -12.6 | 0.7 | -0.7 | -14 |
| 691.2 | 691.2 | 20 | 20 | Ahjum, J (Jordan) | | NCF | 807.6 | 807.6 | Pixley ka Seme Open 2018 (U14) | 5 | 2018-02-10 | S | W | 1 | 0.41 | 0.59 | 9.8 | 0.41 | 0.59 | 11.8 |
| 646 | 646 | 20 | 20 | Ahjum, J (Jordan) | | NC | 618 | 618 | Kimberley Chess Club Open - 09 December 2017 (C) | 1 | 2017-12-09 | S | W | 1 | 0.54 | 0.46 | 7.6 | 0.46 | 0.54 | 10.8 |
| 100 | 100 | 20 | 20 | Ahjum, J (Jordan) | | NC | 100 | 100 | Nc Youth Day Rapid Tournament 2017 (C) | 3 | 2017-06-16 | R | W | 0 | 0.5 | -0.5 | -5.4 | -0.5 | 0.5 | 10 |
| 528 | 528 | 20 | 20 | Ahjum, J (Jordan) | | NC | 641 | 641 | Kimberley Chess Club Open Tournament (C) | 2 | 2016-12-10 | S | W | 1 | 0.35 | 0.65 | 10.8 | 0.65 | 0.35 | 7 |
| 569 | 569 | 20 | 20 | Ahjum, J (Jordan) | | NC | 683 | 683 | Kimberley Schools Chess Individuals 2016 (U11) | 4 | 2016-08-13 | S | B | 1 | 0.34 | 0.66 | 11 | 0.66 | 0.34 | 6.8 |
| 571 | 571 | 20 | 20 | Ahjum, J (Jordan) | | NC | 852 | 852 | Inter Provincial Trials 2016 (C Section) | 5 | 1900-01-01 | S | B | 0 | 0.16 | -0.16 | -2.7 | -0.16 | 0.16 | 3.2 |
| 0 | 0 | 20 | 20 | Ahjum, J (Jordan) | | NC | 718 | 718 | Kimberley Circuit Schools Chess Individuals (U9) | 2 | 2015-10-31 | S | B | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
