| 1214.9 | 1195.9 | 20 | 20 | Koning, L (Lehan) | | GTP | 1315.8 | 1312.1 | Wonderboom Interhuis 2019 (U11) | 4 | 2019-05-04 | S | B | 0 | 0.34 | -0.34 | -5.6 | 0.32 | -0.32 | -6.4 |
| 1264.8 | 1256.8 | 20 | 20 | Koning, L (Lehan) | | GTP | 1287.1 | 1285.5 | 2018 Jakaranda (F) | 4 | 2018-09-22 | S | B | 0.5 | 0.43 | 0.07 | 1.2 | 0.42 | 0.08 | 1.6 |
| 1264.8 | 1256.8 | 20 | 20 | Koning, L (Lehan) | | GTP | 1287.1 | 1285.5 | 2018 Etienne Lewis Trials (U12 Boys) | 6 | 2018-09-02 | S | W | 0 | 0.52 | -0.52 | -10.4 | 0.51 | -0.51 | -10.2 |
| 935 | 935 | 20 | 20 | Koning, L (Lehan) | | GTP | 1000 | 1000 | 2017 Tshwane Chess Etienne Lewis (U10 Boys) | 4 | 2017-09-02 | S | W | 0 | 0.41 | -0.41 | -8.2 | -0.41 | 0.41 | 8.2 |
| 931 | 931 | 20 | 20 | Koning, L (Lehan) | | GTP | 958 | 958 | 2017 Chris Greyling (D) | 5 | 2017-04-22 | S | B | 0.5 | 0.46 | 0.04 | 0.7 | 0.04 | 0.46 | 9.2 |
| 931 | 931 | 20 | 20 | Koning, L (Lehan) | | GTP | 958 | 958 | Sa Junior Closed Chess Championship 2017 (U10 Open) | 10 | 2017-04-10 | S | W | 1 | 0.46 | 0.54 | 10.8 | 0.54 | 0.46 | 9.2 |
| 939 | 939 | 20 | 20 | Koning, L (Lehan) | | GTP | 937 | 937 | 2016 Tshwane Chess Etienne Lewis Trials (U10 Boys) | 2 | 2016-09-02 | S | B | 0 | 0.5 | -0.5 | -10 | -0.5 | 0.5 | 10 |
| 900 | 900 | 20 | 20 | Koning, L (Lehan) | | GTP | 854 | 854 | D3 Individual School Trails 2016 (U9 Boys) | 5 | 2016-04-16 | S | W | 0 | 0.56 | -0.56 | -9.3 | -0.56 | 0.56 | 11.2 |
| 850 | 850 | 20 | 20 | Koning, L (Lehan) | | GTP | 843 | 843 | D3 Cluster 5 Individual Trails 2016 (U9 Boys) | 4 | 2016-04-16 | S | B | 1 | 0.51 | 0.49 | 8.1 | 0.49 | 0.51 | 10.2 |
| 813 | 813 | 20 | 20 | Koning, L (Lehan) | | GTP | 772 | 772 | Sa Junior Closed Chess Championship 2016 (U8 Boys) | 10 | 2016-03-25 | S | W | 0 | 0.56 | -0.56 | -11.2 | -0.56 | 0.56 | 11.2 |
| 538 | 538 | 20 | 20 | Koning, L (Lehan) | | GTP | 765 | 765 | South African Junior Chess Championships 2014 (Wild Card (U8 Boys) | 2 | 2015-01-08 | S | B | 0 | 0.21 | -0.21 | -3.9 | -0.21 | 0.21 | 4.2 |
| 0 | 0 | 20 | 20 | Koning, L (Lehan) | | GTP | 448 | 448 | D3 Schools Individuals U9 Open | 1 | 2014-05-31 | S | W | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 0 | 0 | 20 | 20 | Koning, L (Lehan) | | GTP | 448 | 448 | Theresapark Open 2014 - Sec D U 8 - Born On After | 4 | 2014-05-24 | S | B | 0 | 0 | 0 | 0 | 0 | 0 | 0 |