| 1178.2 | 1162.9 | 20 | 20 | Ferreira, JC (John-Claud) | | NBR | 866.6 | 862.9 | Laerskool Rustenburg 2019 (Adults) | 5 | 2019-08-17 | S | W | 0 | 0.9 | -0.9 | -14.9 | 0.89 | -0.89 | -17.8 |
| 1029 | 1018 | 20 | 20 | Ferreira, JC (John-Claud) | | NBR | 884.7 | 890.9 | Bojanala Regionals 2018 (U18+U20) | 5 | 2018-09-15 | S | B | 1 | 0.63 | 0.37 | 6.1 | 0.61 | 0.39 | 7.8 |
| 1078.8 | 1079.2 | 20 | 20 | Ferreira, JC (John-Claud) | | NBR | 834.2 | 829.7 | Laerskool Brits Tournament 2018 (U18) | 4 | 2018-08-04 | S | W | 0 | 0.83 | -0.83 | -13.8 | 0.83 | -0.83 | -16.6 |
| 742 | 742 | 20 | 20 | Ferreira, Jc (John-Claud) | | NBR | 500 | 500 | Laerskool Brits Chess 2017 (U18-Adult) | 5 | 2017-08-25 | S | W | 0 | 0.8 | -0.8 | -13.3 | -0.8 | 0.8 | 16 |
| 0 | 0 | 20 | 20 | Ferreira, Jc (John-Claud) | | NBR | 699 | 699 | Hoerskool Brits 2016 (B) | 5 | 2016-04-16 | S | W | 0 | 0.45 | -0.45 | -7.5 | -0.45 | 0.45 | 9 |
