| 1488.1 | 1486.8 | 20 | 20 | Lewis, G (Gershwin) | | WEG | 1333 | 1334.4 | EDENSC Closed 3 2018 (U20 Open) | 5 | 2018-05-12 | S | B | 1 | 0.64 | 0.36 | 6 | 0.64 | 0.36 | 7.2 |
| 1475.7 | 1476.6 | 20 | 20 | Lewis, G (Gershwin) | | WEG | 1318.2 | 1332.2 | EDENSC Closed 2 2018 (U20 Open) | 4 | 2018-04-14 | S | W | 1 | 0.73 | 0.27 | 4.5 | 0.71 | 0.29 | 5.8 |
| 1459.5 | 1460.9 | 20 | 20 | Lewis, G (Gershwin) | | WEG | 1266.5 | 1271 | George Trails 3 2018 (U20) | 4 | 2018-02-24 | S | B | 1 | 0.68 | 0.32 | 5.3 | 0.68 | 0.32 | 6.4 |
| 1459.5 | 1460.9 | 20 | 20 | Lewis, G (Gershwin) | | WEG | 1266.5 | 1271 | George Trails 2 2018 (U20) | 5 | 2018-02-10 | S | W | 0 | 0.77 | -0.77 | -12.8 | 0.76 | -0.76 | -15.2 |
| 1456.7 | 1456.7 | 20 | 20 | Lewis, G (Gershwin) | | WEG | 1244.4 | 1244.4 | George Trails 1 2018 (U20) | 5 | 2018-01-27 | S | W | 1 | 0.79 | 0.21 | 3.5 | 0.79 | 0.21 | 4.2 |
| 1470 | 1470 | 20 | 20 | Lewis, G (Gershwin) | | SWD | 1248 | 1248 | Swd Eden Trials 3 2016 (Under 18 Open) | 5 | 2016-05-14 | S | B | 0.5 | 0.78 | -0.28 | -4.6 | -0.28 | 0.78 | 15.6 |
| 1470 | 1470 | 20 | 20 | Lewis, G (Gershwin) | | SWD | 1248 | 1248 | Western Cape Schools Chess Individuals 2016 (U18 Boys) | 3 | 2016-04-30 | S | W | 1 | 0.78 | 0.22 | 3.7 | 0.22 | 0.78 | 15.6 |
| 1438 | 1438 | 20 | 20 | Lewis, G (Gershwin) | | SWD | 1230 | 1230 | Swd Eden Trials 2 2016 (Under 18 Open) | 5 | 2016-04-16 | S | B | 0.5 | 0.77 | -0.27 | -4.5 | -0.27 | 0.77 | 15.4 |
| 1438 | 1438 | 20 | 20 | Lewis, G (Gershwin) | | SWD | 1230 | 1230 | Swd Eden Trials 1 2016 (Under 18 Open) | 4 | 2016-04-09 | S | B | 1 | 0.77 | 0.23 | 3.8 | 0.23 | 0.77 | 15.4 |
