| 1590.4 | 1594.5 | 20 | 20 | Terblanche, J (Johann) | | NBR | 1660.1 | 1665.5 | Bojanala's Grenville Open 2026 (Rooks) | 5 | 2026-02-21 | S | W | 1 | 0.46 | 0.54 | 9 | 0.46 | 0.54 | 10.8 |
| 1550.4 | 1524.4 | 20 | 20 | Terblanche, J (Johann) | | NBR | 1568.2 | 1562.8 | Bojanala's Circuit Championships 4 of 4 2025 (U16) | 2 | 2025-11-01 | S | B | 0.5 | 0.44 | 0.06 | 1 | 0.41 | 0.09 | 1.8 |
| 1520.4 | 1502.6 | 20 | 20 | Terblanche, J (Johann) | | NBR | 1492.3 | 1496.4 | Bojanala Circuit Championships 1 of 4 2025 (U16) | 3 | 2025-03-01 | S | W | 1 | 0.57 | 0.43 | 7.1 | 0.55 | 0.45 | 9 |
| 1575.5 | 1567.9 | 20 | 20 | Terblanche, J (Johann) | | NBR | 1500.1 | 1494.8 | Bojanala Closed Chess Championships 2025 (U14) | 5 | 2025-02-02 | S | B | 1 | 0.55 | 0.45 | 9 | 0.54 | 0.46 | 9.2 |
| 1627.8 | 1611.3 | 20 | 20 | Terblanche, J (Johann) | | NBR | 1546.8 | 1540.8 | Bojanala's Clash Of Schools 2024 (U13) | 3 | 2024-07-20 | S | W | 0 | 0.64 | -0.64 | -10.6 | 0.62 | -0.62 | -12.4 |
| 1566.2 | 1563.9 | 20 | 20 | Terblanche, J (Johann) | | NBR | 1461.3 | 1473.1 | Bojanala Circuit Championship 1 of 4 2024 (U14) | 4 | 2024-05-25 | S | B | 1 | 0.58 | 0.42 | 7 | 0.56 | 0.44 | 8.8 |
| 1292 | 1291.2 | 20 | 20 | Terblanche, J (Johann) | | NBR | 1418.9 | 1450.3 | Bojanala Closed Chess Championships Stage 1 2024 (U14) | 2 | 2024-01-27 | S | W | 1 | 0.39 | 0.61 | 10.1 | 0.36 | 0.64 | 12.8 |
| 1439.4 | 1430 | 20 | 20 | Terblanche, J (Johann) | | NBR | 1299.7 | 1259.8 | One For The Ages 2023 (U14) | 2 | 2023-02-18 | S | W | 0 | 0.7 | -0.7 | -11.6 | 0.74 | -0.74 | -14.8 |
| 1477 | 1476.4 | 20 | 20 | Terblanche, J (Johann) | | NBR | 1341.1 | 1302.4 | Harties Wolf Pack 2023 (Rooks) | 4 | 2023-01-21 | S | W | 1 | 0.7 | 0.3 | 5 | 0.74 | 0.26 | 5.2 |
| 1298.7 | 1299.3 | 20 | 20 | Terblanche, J (Johann) | | NBR | 1218.7 | 1219.1 | Bojanala SAJCC Trials 2022 (U12) | 4 | 2022-09-23 | S | B | 1 | 0.55 | 0.45 | 9 | 0.55 | 0.45 | 9 |
| 1194.8 | 1189.2 | 20 | 20 | Terblanche, J (Johann) | | NBR | 1200 | 1200 | One For The Ages 2022 (U12) | 5 | 2022-07-16 | S | W | 1 | 0.54 | 0.46 | 7.6 | 0.53 | 0.47 | 9.4 |
