| 1736.5 | 1745.5 | 20 | 20 | Samuels, ER (Ethan) | | WCT | 2008 | 2012.9 | Western Cape Closed 2025 (A) | 1 | 2025-03-08 | S | W | 0 | 0.23 | -0.23 | -4.3 | 0.23 | -0.23 | -4.6 |
| 1738.7 | 1746.6 | 20 | 20 | Samuels, ER (Ethan) | | WCT | 1959.5 | 1960.9 | Western Cape Closed 2020 (Championship) | 4 | 2021-03-28 | S | B | 0 | 0.2 | -0.2 | -3.4 | 0.21 | -0.21 | -4.2 |
| 1654.6 | 1657.3 | 20 | 20 | Samuels, ER (Ethan) | | WCT | 1867.4 | 1869.5 | 2019 South African Closed Chess Championships (U20 Open) | 1 | 2019-12-07 | S | B | 0.5 | 0.21 | 0.29 | 5.8 | 0.21 | 0.29 | 5.8 |
| 1714.2 | 1715.8 | 20 | 20 | Samuels, ER (Ethan) | | WCT | 1931.3 | 1938.9 | 2019 Western Province League (Premier) | 5 | 2019-08-10 | S | B | 0 | 0.21 | -0.21 | -4.2 | 0.2 | -0.2 | -4 |
| 1678.8 | 1680 | 20 | 20 | Samuels, ER (Ethan) | | WCT | 1816 | 1839.5 | 2018 Western Province League (Premier) | 9 | 2018-09-08 | S | B | 0 | 0.3 | -0.3 | -6 | 0.27 | -0.27 | -5.4 |
| 1547 | 1547 | 20 | 20 | Samuels, Er (Ethan) | | WP | 1592 | 1592 | 2016 African Chess Lounge (Prestige) | 5 | 2016-12-04 | S | W | 0.5 | 0.44 | 0.06 | 1.1 | 0.06 | 0.44 | 8.8 |
| 1522 | 1522 | 20 | 20 | Samuels, Er (Ethan) | | WP | 1442 | 1442 | Steinitz Chess Festival 2015 (Prestige) | 5 | 2015-09-26 | S | W | 0.5 | 0.61 | -0.11 | -2.2 | -0.11 | 0.61 | 12.2 |
| 1416 | 1416 | 20 | 20 | Samuels, Er (Ethan) | | WP | 1460 | 1460 | Sa Schools Individual Chess Championship 2015 U15O (U15 Open) | 7 | 2015-07-05 | S | W | 0.5 | 0.44 | 0.06 | 1 | 0.06 | 0.44 | 8.8 |
| 1412 | 1412 | 20 | 20 | Samuels, Er (Ethan) | | WP | 1337 | 1337 | Steinitz Open 2014 (B-Section) | 7 | 2014-05-17 | S | B | 0.5 | 0.6 | -0.1 | -1.9 | -0.1 | 0.6 | 12 |
