| 1229.2 | 1204 | 20 | 20 | Van Der Berg, KW (Kai) | | NBR | 1422.7 | 1416.4 | Bojanala Olienpark's One For The Ages 2024 (Bishops) | 4 | 2024-04-20 | S | B | 0 | 0.23 | -0.23 | -3.8 | 0.21 | -0.21 | -4.2 |
| 1229.2 | 1204 | 20 | 20 | Van Der Berg, KW (Kai) | | NBR | 1422.7 | 1416.4 | Bojanala's Rating Express 2024 (Bishops) | 1 | 2024-04-06 | S | W | 0 | 0.32 | -0.32 | -5.3 | 0.29 | -0.29 | -5.8 |
| 1253.6 | 1258.2 | 20 | 20 | Van Der Berg, KW (Kai) | | NBR | 1428.8 | 1429.5 | Bojanala SAJCC Trials 2022 (U12) | 2 | 2022-09-23 | S | W | 1 | 0.34 | 0.66 | 13.2 | 0.34 | 0.66 | 13.2 |
| 1064.6 | 1040.8 | 20 | 20 | Van Der Berg, KW (Kai) | | NBR | 1320.3 | 1301.5 | The Meridian 2022 (U12) | 3 | 2022-01-22 | S | B | 1 | 0.16 | 0.84 | 14.1 | 0.15 | 0.85 | 17 |
| 1133.8 | 1129.2 | 20 | 20 | Van Der Berg, KW (Kai) | | NBR | 1334.3 | 1313.7 | Bojanala SAJCC Trials - Session 3 of 3 2021 (D) | 6 | 2021-11-20 | S | B | 0 | 0.22 | -0.22 | -3.7 | 0.24 | -0.24 | -4.8 |
| 1133.8 | 1129.2 | 20 | 20 | Van Der Berg, KW (Kai) | | NBR | 1334.3 | 1313.7 | Bojanala SAJCC Trials - Session 2 of 3 2021 (C) | 1 | 2021-11-13 | S | W | 0 | 0.31 | -0.31 | -5.2 | 0.33 | -0.33 | -6.6 |
| 1092 | 1079.2 | 20 | 20 | Van Der Berg, KW (Kai) | | NBR | 1379.5 | 1366.5 | Back to the Board 2021 (U12) | 1 | 2021-04-17 | S | B | 0 | 0.12 | -0.12 | -2 | 0.12 | -0.12 | -2.4 |
| 1073.4 | 1054.8 | 20 | 20 | Van Der Berg, KW (Kai) | | NBR | 1389.9 | 1379.9 | Hoerskool Brits Toernooi 2020 (U10) | 1 | 2020-03-14 | S | B | 0 | 0.09 | -0.09 | -1.5 | 0.08 | -0.08 | -1.6 |
| 1125.6 | 1114 | 20 | 20 | Van Der Berg, KW (Kai) | | NBR | 1457.3 | 1441.2 | NW Open 2019 (U10) | 1 | 2019-10-12 | S | W | 0 | 0.16 | -0.16 | -2.7 | 0.16 | -0.16 | -3.2 |
| 1200 | 1200 | 20 | 20 | Van Der Berg, KW (Kai) | | NBR | 1244.5 | 1241.4 | Laerskool Proteapark 2019 (C) | 4 | 2019-05-18 | S | B | 0 | 0.41 | -0.41 | -6.8 | 0.41 | -0.41 | -8.2 |
| 0 | 0 | 20 | 20 | Van Der Berg, K (Kai) | | NBR | 669 | 669 | Laerskool Brits Chess 2017 (U8) | 2 | 2017-08-25 | S | B | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
