| 1542 | 1550.7 | 20 | 20 | Mendelsohn, DC (David Charles) | | GJM | 1687.3 | 1746.7 | Randburg Winter Swiss 2025 | 8 | 2025-09-16 | S | W | 1 | 0.37 | 0.63 | 11.8 | 0.31 | 0.69 | 13.8 |
| 1536.2 | 1545.7 | 20 | 20 | Mendelsohn, DC (David Charles) | | GJM | 1692.2 | 1688.4 | Neil Savage Memorial Randburg Club Champs 2025 | 8 | 2025-06-24 | S | B | 0.5 | 0.28 | 0.22 | 4.1 | 0.29 | 0.21 | 4.2 |
| 1532.9 | 1523.5 | 20 | 20 | Mendelsohn, DC (David) | | GJM | 1618.5 | 1598.2 | Randburg Chess Club Winter Swiss 2024 | 7 | 2024-07-30 | S | B | 1 | 0.36 | 0.64 | 12 | 0.37 | 0.63 | 12.6 |
| 1518.1 | 1520.1 | 20 | 20 | Mendelsohn, DC (David) | | GTP | 1643.2 | 1640.5 | Randburg Winter Swiss 2023 | 3 | 2023-06-27 | S | B | 0 | 0.31 | -0.31 | -5.8 | 0.32 | -0.32 | -6.4 |
| 1505.4 | 1501 | 20 | 20 | Mendelsohn, DC (David) | | GTP | 1623.7 | 1621.1 | Randburg New Year Swiss 2023 | 4 | 2023-02-21 | S | B | 0 | 0.32 | -0.32 | -6 | 0.32 | -0.32 | -6.4 |
| 1515.4 | 1513 | 20 | 20 | Mendelsohn, DC (David) | | GTP | 1628.4 | 1627.8 | Randburg Summer Swiss 2022 | 2 | 2022-11-01 | S | B | 0 | 0.33 | -0.33 | -6.2 | 0.32 | -0.32 | -6.4 |
| 1595.5 | 1595.5 | 20 | 20 | Mendelsohn, DC (David) | | GTP | 1853.5 | 1853.5 | Randburg Club - Summer Swiss 2018 | 6 | 2018-03-06 | S | B | 0 | 0.16 | -0.16 | -3 | 0.16 | -0.16 | -3.2 |
| 1570 | 1570 | 20 | 20 | Mendelsohn, Dc (David) | | GTP | 1666 | 1666 | 2016 Gauteng Chess League (1St Division) | 3 | 2016-10-08 | S | B | 0 | 0.37 | -0.37 | -7.4 | -0.37 | 0.37 | 7.4 |
| 1526 | 1526 | 20 | 20 | Mendelsohn, Dc (David) | | GTP | 1672 | 1672 | Randburg Chess Club Winter Swiss 2016 | 5 | 2016-08-09 | S | W | 0.5 | 0.3 | 0.2 | 3.5 | 0.2 | 0.3 | 6 |
| 1543 | 1543 | 20 | 20 | Mendelsohn, Dc (David) | | GTP | 1724 | 1724 | Randburg Chess Club Championship Open Section 2016 | 4 | 2016-05-10 | S | W | 0 | 0.26 | -0.26 | -4.9 | -0.26 | 0.26 | 5.2 |
| 1483 | 1483 | 20 | 20 | Mendelsohn, Dc (David) | | GTP | 1673 | 1673 | Randburg Championships 2014 Swiss | 7 | 2014-09-30 | S | W | 0 | 0.25 | -0.25 | -4.7 | -0.25 | 0.25 | 5 |
| 1539 | 1539 | 20 | 20 | Mendelsohn, Dc (David) | | GTP | 1708 | 1708 | Randburg Championships 2014 - A Section | 2 | 2014-01-15 | S | B | 0 | 0.28 | -0.28 | -5.3 | -0.28 | 0.28 | 5.6 |
| 1589 | 1589 | 20 | 20 | Mendelsohn, Dc (David) | | GTP | 1840 | 1840 | Randburg Championships 2013 Championship Section | 2 | 2012-08-21 | S | W | 0 | 0.19 | -0.19 | -3.6 | -0.19 | 0.19 | 3.8 |
| 1565 | 1565 | 20 | 20 | Mendelsohn, Dc (David) | | GN | 1821 | 1821 | Gauteng West Open - Open | 3 | 2012-06-02 | S | W | 0 | 0.19 | -0.19 | -3.6 | -0.19 | 0.19 | 3.8 |
