| 1581.8 | 1266.6 | 20 | 20 | Jacobs, CN (Calvin Nicholas) | | GTP | 1946.7 | 1932.7 | 2024 Tshwane Chess FIDE RATED Blitz League Championship 1 | 5 | 2024-05-26 | B | W | 0 | 0.12 | -0.12 | -0.4 | 0.01 | -0.01 | -0.2 |
| 1580.9 | 1164.9 | 20 | 20 | Jacobs, CN (Calvin Nicholas) | | GTP | 1680.6 | 1642.1 | 2023 Tshwane Chess FIDE Rated Blitz League 1 | 6 | 2023-05-28 | B | W | 0 | 0.43 | -0.43 | -1.5 | 0.01 | -0.01 | -0.2 |
| 1473.5 | 1005.4 | 20 | 20 | Jacobs, CN (Calvin Nicholas) | | GTP | 1573.4 | 1200.4 | Rachella`s Cafe Blitz Tournament 2 2022 | 5 | 2022-04-03 | B | B | 0 | 0.34 | -0.34 | -1.2 | 0.23 | -0.23 | -4.6 |
| 1341.4 | 945 | 20 | 20 | Jacobs, CN (Calvin Nicholas) | | GTP | 1227.9 | 760.8 | South African Junior Blitz 2018 (U10) | 6 | 2018-12-19 | B | W | 0 | 0.67 | -0.67 | -2.4 | 0.76 | -0.76 | -15.2 |
| 1014.3 | 1018.7 | 20 | 20 | Jacobs, CN (Calvin Nicholas) | | GTP | 882.8 | 887.6 | 2018 Capablanca Swiss (C) | 5 | 2018-04-28 | S | W | 1 | 0.69 | 0.31 | 5.8 | 0.69 | 0.31 | 6.2 |
| 705.8 | 705.8 | 20 | 20 | Jacobs, CN (Calvin Nicholas) | | GTP | 760.8 | 760.8 | South African Junior Team Championships 2017 (U10D) | 1 | 2018-01-04 | S | B | 0 | 0.39 | -0.39 | -7.8 | 0.39 | -0.39 | -7.8 |
