| 1281.4 | 1276.1 | 20 | 20 | Van Kradenburg, A (Antonio) | | NZF | 1161.1 | 1157.6 | Northern Cape Closed Chess Championships 2019 (U12) | 3 | 2019-08-31 | S | W | 1 | 0.68 | 0.32 | 6 | 0.68 | 0.32 | 6.4 |
| 1189.6 | 1191.9 | 20 | 20 | Van Kradenburg, A (Antonio) | | NZF | 1057.1 | 1048.4 | ZFM Open Tournament 2019 (U12) | 4 | 2019-03-02 | S | B | 0.5 | 0.61 | -0.11 | -1.8 | 0.63 | -0.13 | -2.6 |
| 1236.7 | 1242.3 | 20 | 20 | Van Kradenburg, A (Antonio) | | NZF | 1113.1 | 1111.8 | Northern Cape Closed Chess Championships 2018 (U12 Open) | 5 | 2018-09-01 | S | B | 1 | 0.6 | 0.4 | 7.5 | 0.61 | 0.39 | 7.8 |
| 1217 | 1219.6 | 20 | 20 | Van Kradenburg, A (Antonio) | | NZF | 997.9 | 999.3 | ZF MGCAWU Mandela Centenary Open Chess Tournament 2018 (U12) | 3 | 2018-07-21 | S | B | 0 | 0.71 | -0.71 | -11.8 | 0.71 | -0.71 | -14.2 |
| 1257.1 | 1269.6 | 20 | 20 | Van Kradenburg, A (Antonio) | | NZF | 720.4 | 765.6 | ZF Mgcawu Qualifier (2) | 1 | 2018-04-21 | S | W | 0 | 1 | -1 | -16.6 | 1 | -1 | -20 |
| 1167.8 | 1161.2 | 20 | 20 | Van Kradenburg, A (Antonio) | | NZF | 528.5 | 533.6 | ZF Mgcawu Schools District Open Chess Tournament 2018 (U13 Boys) | 5 | 2018-03-17 | S | B | 1 | 0.99 | 0.01 | 0.2 | 0.99 | 0.01 | 0.2 |
| 1167.8 | 1161.2 | 20 | 20 | Van Kradenburg, A (Antonio) | | NZF | 528.5 | 533.6 | ZF Mgcawu Inter-Region Open Trials (Qualifier 2) | 1 | 2018-03-24 | S | W | 1 | 1 | 0 | 0 | 1 | 0 | 0 |
