| 1594.9 | 1592.5 | 20 | 20 | Schuller, A (Ashley Marlon) | | WCT | 1660.1 | 1643.3 | Cape Town Masters Challenge 2025 (Advanced) | 4 | 2025-01-08 | S | B | 0 | 0.38 | -0.38 | -7.6 | 0.4 | -0.4 | -8 |
| 1607.3 | 1609 | 20 | 20 | Schuller, A (Ashley) | | WCT | 1515.1 | 1512.5 | Kraaifontein Open 2023 (Adanced) | 5 | 2023-12-10 | S | W | 0.5 | 0.65 | -0.15 | -2.6 | 0.65 | -0.15 | -3 |
| 1638.5 | 1622 | 20 | 20 | Schuller, A (Ashley) | | WCT | 1678 | 1750.1 | Midas Paints Chess Cup Term 2 2023 (Open) | 5 | 2023-04-15 | R | W | 0 | 0.5 | -0.5 | -3.5 | 0.39 | -0.39 | -7.8 |
| 1640 | 1726.6 | 20 | 20 | Schuller, A (Ashley) | | WCT | 1675.5 | 1743.4 | Casuarina International 2023 (Blitz) | 9 | 2023-03-11 | B | B | 0 | 0.42 | -0.42 | -1.5 | 0.44 | -0.44 | -8.8 |
| 1640 | 1627.8 | 20 | 20 | Schuller, A (Ashley) | | WCT | 1675.5 | 1761.1 | Courtrai Midas Rapid 2023 (Open) | 5 | 2023-03-04 | R | W | 0 | 0.5 | -0.5 | -3.5 | 0.39 | -0.39 | -7.8 |
| 1626.1 | 1640 | 20 | 20 | Schuller, A (Ashley) | | WCT | 1680.4 | 1686.5 | South African Open 2022 (Championship) | 2 | 2022-07-09 | S | B | 1 | 0.4 | 0.6 | 12 | 0.4 | 0.6 | 12 |
| 1761 | 1738.1 | 20 | 20 | Schuller, A (Ashley) | | WCT | 1771.5 | 1847.2 | DSK Chess Tournament 2019 (Open) | 6 | 2019-06-08 | R | B | 0 | 0.45 | -0.45 | -4.2 | 0.33 | -0.33 | -6.6 |
| 1747.6 | 1764.5 | 20 | 20 | Schuller, A (Ashley) | | WCT | 1799.8 | 1796.4 | Steinitz Chess Festival 2019 (A) | 4 | 2019-04-06 | S | B | 0.5 | 0.4 | 0.1 | 1.7 | 0.42 | 0.08 | 1.6 |
