| 1718.2 | 1667.7 | 20 | 20 | Van Zyl, A (Albrecht) | | WCT | 1818.1 | 1501.2 | South African Open 2022 (Blitz) | 5 | 2022-07-14 | B | B | 0 | 0.34 | -0.34 | -1.2 | 0.65 | -0.65 | -13 |
| 1728.2 | 1730.1 | 20 | 20 | Van Zyl, A (Albrecht) | | WCT | 1720.7 | 1723.9 | Western Province Open 2022 (Championship) | 4 | 2022-02-26 | S | W | 0.5 | 0.55 | -0.05 | -0.9 | 0.55 | -0.05 | -1 |
| 1707.5 | 1709.4 | 20 | 20 | Van Zyl, A (Albrecht) | | WCT | 1711.6 | 1714.4 | 2020 Western Province Open (Championship) | 4 | 2020-03-08 | S | B | 0.5 | 0.45 | 0.05 | 0.9 | 0.45 | 0.05 | 1 |
| 1674.2 | 1672.4 | 20 | 20 | Van Zyl, A (Albrecht) | | WCT | 1601.5 | 1629.5 | Western Cape Top Schools 2018 (U19 Mix) | 2 | 2018-08-25 | S | W | 1 | 0.63 | 0.37 | 6.1 | 0.59 | 0.41 | 8.2 |
| 1738.9 | 1660 | 20 | 20 | Van Zyl, A (Albrecht) | | WCT | 1574.9 | 1396.7 | Cape Winelands Schools Chess - Top Schools 2018 (U19 Mix) | 4 | 2018-07-28 | R | W | 0.5 | 0.73 | -0.23 | -2.8 | 0.85 | -0.35 | -7 |
| 1680.9 | 1672.4 | 20 | 20 | Van Zyl, A (Albrecht) | | WCT | 1475.4 | 1482.6 | Crossroads Open Chess Championship 2018 (Elite) | 2 | 2018-04-27 | S | W | 1 | 0.78 | 0.22 | 4.4 | 0.76 | 0.24 | 4.8 |
| 1718.5 | 1656.8 | 20 | 20 | Van Zyl, A (Albrecht) | | WCT | 1443.1 | 1347 | Cape Winelands Schools Trials 1 2018 (U18 Boys) | 6 | 2018-03-03 | R | W | 0.5 | 0.86 | -0.36 | -4.3 | 0.9 | -0.4 | -8 |
| 1517 | 1517 | 20 | 20 | Van Zyl, A (Albrecht) | | WB | 1219 | 1219 | Western Cape Schools Chess Individuals 2016 (U18 Boys) | 2 | 2016-04-30 | S | W | 1 | 0.85 | 0.15 | 2.5 | 0.15 | 0.85 | 17 |
| 1237 | 1237 | 20 | 20 | Van Zyl, A (Albrecht) | | WB | 1267 | 1267 | Cape Winelands 2016 (U18 Boys) | 3 | 2016-03-05 | R | W | 1 | 0.46 | 0.54 | 6.5 | 0.54 | 0.46 | 9.2 |
| 1369 | 1369 | 20 | 20 | Van Zyl, A (Albrecht) | | WB | 1199 | 1199 | Boland Prestige Skaak Toernooi 2015 (U15 Seuns) | 6 | 2015-03-29 | S | B | 0 | 0.72 | -0.72 | -12 | -0.72 | 0.72 | 14.4 |
