| 1639.2 | 1674.7 | 20 | 20 | Botha, J (Johannes Cornelis) | | NBR | 1518.5 | 1508.6 | Bojanala's Pre-Exam 2025 (Queens) | 3 | 2025-05-31 | S | B | 0 | 0.6 | -0.6 | -10 | 0.65 | -0.65 | -13 |
| 1453.1 | 1477.2 | 20 | 20 | Botha, J (Johannes Cornelis) | | NBR | 1325.8 | 1322.9 | Bojanala's Merry ChessMas 2023 (Rooks) | 5 | 2023-12-09 | S | B | 0.5 | 0.61 | -0.11 | -1.8 | 0.64 | -0.14 | -2.8 |
| 1358.9 | 1382.1 | 20 | 20 | Botha, J (Johannes Cornelis) | | NBR | 1363.9 | 1363.2 | Bojanala's Battle Of Mount Cambridge 2023 (Rooks) | 1 | 2023-09-16 | S | W | 1 | 0.54 | 0.46 | 7.6 | 0.56 | 0.44 | 8.8 |
| 1340.7 | 1333.9 | 20 | 20 | Botha, J (Johannes Cornelis) | | NBR | 1397.5 | 1392.3 | Bojanala's Spring Cleaning 2023 (Rooks) | 3 | 2023-08-26 | S | B | 1 | 0.39 | 0.61 | 10.1 | 0.39 | 0.61 | 12.2 |
| 1289.7 | 1300.1 | 20 | 20 | Botha, J (Johannes Cornelis) | | NBR | 1438.1 | 1432.9 | Bojanala's FIDE in the Sparkling Waters 2023 (Rooks) | 5 | 2023-07-30 | S | W | 1 | 0.37 | 0.63 | 12.6 | 0.39 | 0.61 | 12.2 |
| 1241.3 | 1245.7 | 20 | 20 | Botha, J (Johannes Cornelis) | | NBR | 1420 | 1404.7 | Nories Make It Happen 2023 (Rooks) | 1 | 2023-03-04 | S | B | 0 | 0.25 | -0.25 | -4.2 | 0.27 | -0.27 | -5.4 |
