| 1920.4 | 1930 | 20 | 20 | Samuels, ER (Ethan) | RM | WCT | 2043.6 | 2060.7 | COGH 2026 (Championship) | 2 | 2026-01-31 | S | B | 0 | 0.31 | -0.31 | -5.1 | 0.31 | -0.31 | -6.2 |
| 1948.7 | 1904.8 | 20 | 20 | Samuels, ER (Ethan) | RM | WCT | 2020 | 1990.6 | Royal Rapid Challenge 2025 (A) | 3 | 2025-10-04 | R | W | 0 | 0.46 | -0.46 | -5 | 0.44 | -0.44 | -8.8 |
| 1948.1 | 1904.2 | 20 | 20 | Samuels, ER (Ethan) | RM | WCT | 2025.8 | 1994.7 | Hermanus Chess Club Open 2025 (Championship) | 3 | 2025-04-12 | R | W | 1 | 0.45 | 0.55 | 5.9 | 0.44 | 0.56 | 11.2 |
| 1919.1 | 1891.4 | 20 | 20 | Samuels, ER (Ethan) | | WCT | 2008 | 1985.9 | Steinitz Festival 2025 (Open) | 4 | 2025-03-15 | R | B | 0 | 0.35 | -0.35 | -3.3 | 0.35 | -0.35 | -7 |
| 1919.1 | 1922.6 | 20 | 20 | Samuels, ER (Ethan) | | WCT | 2008 | 2012.9 | Western Cape Closed 2025 (A) | 3 | 2025-03-08 | S | W | 0.5 | 0.44 | 0.06 | 1.1 | 0.44 | 0.06 | 1.2 |
| 1917.6 | 1893.2 | 20 | 20 | Samuels, ER (Ethan) | | WCT | 2007.6 | 1987.3 | Cape of Good Hope Open 2025 (Open Rapid) | 6 | 2025-02-22 | R | B | 1 | 0.35 | 0.65 | 6.1 | 0.35 | 0.65 | 13 |
| 1867.4 | 1785.4 | 20 | 20 | Samuels, ER (Ethan) | | WCT | 2027.8 | 1845.7 | Cape Town Masters Challenge 2025 (Blitz) | 6 | 2025-01-09 | B | B | 0.5 | 0.27 | 0.23 | 1.1 | 0.39 | 0.11 | 2.2 |
| 1867.4 | 1893.5 | 20 | 20 | Samuels, ER (Ethan) | | WCT | 2027.8 | 2036.8 | Cape Town Masters Challenge 2025 (Masters) | 9 | 2025-01-11 | S | W | 1 | 0.36 | 0.64 | 12.8 | 0.37 | 0.63 | 12.6 |
| 1936 | 1950.4 | 20 | 20 | Samuels, ER (Ethan) | | WCT | 2044.2 | 2015.8 | 2024 Moja Chess Extravaganza (Prestige) | 9 | 2024-09-29 | S | W | 0.5 | 0.42 | 0.08 | 1.6 | 0.47 | 0.03 | 0.6 |
| 1931.3 | 1956.2 | 20 | 20 | Samuels, ER (Ethan) | | WCT | 2028.2 | 1992.2 | Cape Town Chess Federation Closed Chess Championships 2024 (A) | 2 | 2024-06-15 | S | W | 0.5 | 0.43 | 0.07 | 1.4 | 0.5 | 0 | 0 |
| 1824.3 | 1740 | 20 | 20 | Samuels, ER (Ethan) | | WCT | 1976.8 | 1756.4 | Steinitz Club Team Blitz Championship 2024 | 5 | 2024-02-15 | B | B | 0 | 0.28 | -0.28 | -1 | 0.44 | -0.44 | -8.8 |
| 1816.5 | 1200 | 20 | 20 | Samuels, ER (Ethan) | | WCT | 1884 | 1709.3 | Western Cape Closed Championship 2023 (Blitz) | 6 | 2023-09-25 | B | B | 0 | 0.38 | -0.38 | -1.7 | 0 | 0 | 0 |
| 1773.7 | 1510.5 | 20 | 20 | Samuels, ER (Ethan) | | WCT | 1896.2 | 1803.6 | Curro Durbanville Chess Open Rapid 2023 (Championship) | 5 | 2023-07-15 | R | B | 1 | 0.32 | 0.68 | 9 | 0.12 | 0.88 | 17.6 |
| 1769.9 | 1784 | 20 | 20 | Samuels, ER (Ethan) | | WCT | 1955.7 | 1971.7 | Cape Town Masters Challenge 2023 (Masters) | 5 | 2023-01-06 | S | B | 0 | 0.24 | -0.24 | -4.8 | 0.24 | -0.24 | -4.8 |
| 1726.7 | 1721.6 | 20 | 20 | Samuels, ER (Ethan) | | WCT | 1983.8 | 2001.7 | South African Open 2022 (Championship) | 1 | 2022-07-09 | S | B | 0.5 | 0.16 | 0.34 | 6.8 | 0.13 | 0.37 | 7.4 |
