| 1338.8 | 1323.9 | 20 | 20 | Ahjum, KMK (Kristen) | | NCF | 1520.3 | 1509.9 | 2024 Frances Baard Grand Prix 2.0 (E) | 1 | 2024-07-06 | S | W | 0 | 0.33 | -0.33 | -5.5 | 0.33 | -0.33 | -6.6 |
| 1304.8 | 1264.5 | 20 | 20 | Ahjum, KMK (Kristen) | | NCF | 1524.3 | 1512.1 | 2024 Frances Baard Schools Open (U19) | 5 | 2024-02-03 | S | W | 0 | 0.29 | -0.29 | -4.9 | 0.25 | -0.25 | -5 |
| 1220 | 1245.7 | 20 | 20 | Ahjum, KMK (Kristen) | | NCF | 1573.1 | 1572.3 | Frances Baard Schools Open III 2023 (U19) | 1 | 2023-08-05 | S | W | 0 | 0.13 | -0.13 | -2.2 | 0.16 | -0.16 | -3.2 |
| 1222.2 | 1224.4 | 20 | 20 | Ahjum, KMK (Kristen) | | NCF | 1387.2 | 1377 | Womens Open Tournament 2022 (Ladies) | 5 | 2022-02-19 | S | W | 0 | 0.35 | -0.35 | -5.9 | 0.36 | -0.36 | -7.2 |
| 1218.2 | 1219 | 20 | 20 | Ahjum, KMK (Kristen) | | NCF | 1425.2 | 1404.3 | Northern Cape Women`s Open 2021 (Ladies/Girls) | 1 | 2021-08-21 | S | W | 0 | 0.3 | -0.3 | -5 | 0.33 | -0.33 | -6.6 |
| 1117.8 | 1090 | 20 | 20 | Ahjum, KMK (Kristen) | | NCF | 1256.4 | 1262 | Kimberley Chess Club Schools` Open 2019 (U11+U13 Girls) | 4 | 2019-07-20 | S | B | 0 | 0.3 | -0.3 | -5 | 0.26 | -0.26 | -5.2 |
| 1215.5 | 1209.9 | 20 | 20 | Ahjum, KMK (Kristen) | | NCF | 1229.5 | 1230 | South African Open Chess Championships 2019 (C) | 1 | 2019-06-15 | S | W | 0 | 0.53 | -0.53 | -8.8 | 0.52 | -0.52 | -10.4 |
| 1029.7 | 1028.2 | 20 | 20 | Ahjum, KMK (Kristen) | | NCF | 1260.2 | 1259.3 | Sol Plaatje University Chess Club Open 2018 (B) | 5 | 2018-10-13 | S | B | 0 | 0.19 | -0.19 | -3.6 | 0.19 | -0.19 | -3.8 |
| 889 | 885.7 | 20 | 20 | Ahjum, KMK (Kristen) | | NCF | 1109.7 | 1120.6 | Russian Connecxion Chess Club: The Ultimate Reign of Terror 2018 (B+C) | 5 | 2018-08-04 | S | W | 0 | 0.28 | -0.28 | -4.6 | 0.27 | -0.27 | -5.4 |
| 889 | 885.7 | 20 | 20 | Ahjum, KMK (Kristen) | | NCF | 1109.7 | 1120.6 | Frances Baard Schools Open (U13-U17 Girls) | 1 | 2018-08-17 | S | B | 0 | 0.2 | -0.2 | -3.3 | 0.18 | -0.18 | -3.6 |
| 895.2 | 891.7 | 20 | 20 | Ahjum, KMK (Kristen) | | NCF | 1053.6 | 1056.2 | Kimberley Chess Club Nelson Mandela 67Min Open 2018 (B) | 5 | 2018-07-21 | S | W | 0 | 0.36 | -0.36 | -6.2 | 0.35 | -0.35 | -7 |
| 879 | 893.6 | 20 | 20 | Ahjum, KMK (Kristen) | | NCF | 960.4 | 990.4 | Moja Chess Club Open Tournament 2018 (B) | 1 | 2018-03-02 | S | B | 0 | 0.36 | -0.36 | -6.8 | 0.35 | -0.35 | -7 |
| 807.6 | 807.6 | 20 | 20 | Ahjum, KMK (Kristen) | | NCF | 814 | 814 | Pixley ka Seme Open 2018 (U14) | 2 | 2018-02-10 | S | W | 0 | 0.53 | -0.53 | -8.8 | 0.53 | -0.53 | -10.6 |
| 651 | 651 | 20 | 20 | Ahjum, Kmk (Kristen) | | NC | 879 | 879 | Kimberley Chess Club Open Tournament - 01 July 2017 (C) | 2 | 2017-07-01 | S | W | 0 | 0.21 | -0.21 | -3.5 | -0.21 | 0.21 | 4.2 |
| 641 | 641 | 20 | 20 | Ahjum, K (Kristen) | | NC | 792 | 792 | Kimberley Chess Club Open Tournament (C) | 5 | 2016-12-10 | S | B | 1 | 0.3 | 0.7 | 11.6 | 0.7 | 0.3 | 6 |
| 621 | 621 | 20 | 20 | Ahjum, K (Kristen) | | NC | 961 | 961 | Kimberley Chess Club Open Tournament 2016 (C) | 1 | 2016-10-01 | S | B | 1 | 0.12 | 0.88 | 14.6 | 0.88 | 0.12 | 2.4 |
| 683 | 683 | 20 | 20 | Ahjum, K (Kristen) | | NC | 881 | 881 | Kimberley Schools Chess Individuals 2016 (U11) | 5 | 2016-08-13 | S | W | 0 | 0.24 | -0.24 | -4 | -0.24 | 0.24 | 4.8 |
| 683 | 683 | 20 | 20 | Ahjum, K (Kristen) | | NC | 881 | 881 | Beaconsfield Chess Club Fundraising Tournament 2016 (C) | 3 | 2016-07-30 | S | W | 0 | 0.24 | -0.24 | -4 | -0.24 | 0.24 | 4.8 |
| 852 | 852 | 20 | 20 | Ahjum, K (Kristen) | | NC | 804 | 804 | Frances Baard Schools District Trials 2016 (U11 Girls) | 3 | 2016-04-23 | S | W | 0 | 0.57 | -0.57 | -9.5 | -0.57 | 0.57 | 11.4 |
| 674 | 674 | 20 | 20 | Ahjum, K (Kristen) | | NC | 762 | 762 | Kimberley Chess Club Open Tournament (C-Section) | 2 | 2015-05-02 | S | W | 1 | 0.38 | 0.62 | 10.3 | 0.62 | 0.38 | 7.6 |
| 779 | 779 | 20 | 20 | Ahjum, K (Kristen) | | NC | 794 | 794 | 6 7 Maart Newton (C D Seksie) | 3 | 2015-03-07 | S | W | 1 | 0.48 | 0.52 | 8.6 | 0.52 | 0.48 | 9.6 |
| 768 | 768 | 20 | 20 | Ahjum, K (Kristen) | | NC | 727 | 727 | Free State Chess 6 7 February 2015 (U10) | 3 | 2015-02-07 | S | W | 1 | 0.56 | 0.44 | 7.4 | 0.44 | 0.56 | 11.2 |
| 768 | 768 | 20 | 20 | Ahjum, K (Kristen) | | NC | 727 | 727 | Nc - 30 31 Januarie 2015 (C Seksie) | 6 | 2015-01-31 | S | W | 1 | 0.56 | 0.44 | 7.3 | 0.44 | 0.56 | 11.2 |
| 768 | 768 | 20 | 20 | Ahjum, K (Kristen) | | NC | 727 | 727 | Free State Chess 23 24 January 2015 U10 | 3 | 2015-01-24 | S | W | 0 | 0.56 | -0.56 | -9.4 | -0.56 | 0.56 | 11.2 |
| 560 | 560 | 20 | 20 | Ahjum, K (Kristen) | | NC | 724 | 724 | 30 31 May Kathu Tournament (C Section) | 4 | 2014-05-31 | S | B | 1 | 0.28 | 0.72 | 12 | 0.72 | 0.28 | 5.6 |
