| 1118.6 | 1122.7 | 20 | 20 | Van Der Merwe, G (Gustav) | | ENM | 1281.1 | 1276.9 | NMBYCC Closed 2019 (U14) | 2 | 2019-07-27 | S | B | 0 | 0.27 | -0.27 | -4.5 | 0.28 | -0.28 | -5.6 |
| 1094.1 | 1092.3 | 20 | 20 | Van Der Merwe, G (Gustav) | | ENM | 1192.7 | 1202.5 | Nelson Mandela Bay Junior Chess Trials 2 2019 (U14) | 3 | 2019-04-06 | S | W | 0 | 0.43 | -0.43 | -7.1 | 0.41 | -0.41 | -8.2 |
| 864.3 | 890.2 | 20 | 20 | Van Der Merwe, G (Gustav) | | ENM | 1151.5 | 1036 | NMB Youth Chess Trial 3 2018 (U14) | 2 | 2018-05-11 | S | W | 0 | 0.21 | -0.21 | -3.5 | 0.37 | -0.37 | -7.4 |
| 809.5 | 842.2 | 20 | 20 | Van Der Merwe, G (Gustav) | | ENM | 984.8 | 969.6 | NMB Second Trials 2018 (U14) | 4 | 2018-04-22 | S | B | 0 | 0.25 | -0.25 | -5 | 0.31 | -0.31 | -6.2 |
| 574 | 574 | 20 | 20 | Van Der Merwe, G (Gustav) | | ENM | 760 | 760 | Pe Chess Club Open 2017 (B) | 3 | 2017-09-30 | S | B | 1 | 0.26 | 0.74 | 12.3 | 0.74 | 0.26 | 5.2 |
