| 1575.1 | 1577.1 | 20 | 20 | Letsoeisa, M (Modimoonthatile) | | NCF | 1568.4 | 1521.2 | 2025 Frances Baard Schools Chess Festival 0.2 (Premier) | 5 | 2025-09-20 | S | B | 1 | 0.47 | 0.53 | 8.8 | 0.52 | 0.48 | 9.6 |
| 1561.5 | 1539.8 | 20 | 20 | Letsoeisa, M (Modimoonthatile) | | NCF | 1491.1 | 1483.2 | Northern Cape Closed 202 (U18 Open) | 5 | 2025-08-23 | S | W | 0.5 | 0.62 | -0.12 | -2.3 | 0.61 | -0.11 | -2.2 |
| 1561.5 | 1246.2 | 20 | 20 | Letsoeisa, M (Modimoonthatile) | | NCF | 1491.1 | 1199.4 | 2025 Frances Baard Open Rapid Chess Championship (A) | 1 | 2025-08-09 | R | W | 0.5 | 0.62 | -0.12 | -1.4 | 0.6 | -0.1 | -2 |
| 1561.5 | 1246.2 | 20 | 20 | Letsoeisa, M (Modimoonthatile) | | NCF | 1491.1 | 1199.4 | Diamond Chess Academy Rapid open 0.1 2025 (Premium) | 5 | 2025-08-02 | R | W | 0 | 0.62 | -0.62 | -7.4 | 0.6 | -0.6 | -12 |
| 1534.9 | 1200 | 20 | 20 | Letsoeisa, M (Modimoonthatile) | | NCF | 1484.5 | 1200 | 2025 Karpov Chess Club Rapid Open 0.2 (Open) | 3 | 2025-07-26 | R | W | 1 | 0.6 | 0.4 | 4.8 | 0.54 | 0.46 | 9.2 |
| 1524.8 | 1527.1 | 20 | 20 | Modimoonthatile, L (Letswaise) | | NCF | 1457.4 | 1453.9 | 2025 Diamond Chess Academy Open 2 (Open) | 2 | 2025-05-03 | S | W | 0 | 0.62 | -0.62 | -10.3 | 0.63 | -0.63 | -12.6 |
| 1512.7 | 1507.6 | 20 | 20 | Modimoonthatile, L (Letswaise) | | NCF | 1238.6 | 1233 | Mzansi Interprovincial Youth Chess Championships 2024 (U18 Open Championship) | 1 | 2024-12-16 | S | W | 1 | 0.86 | 0.14 | 2.8 | 0.86 | 0.14 | 2.8 |
| 1490.1 | 1478.8 | 20 | 20 | Modimoonthatile, L (Letswaise) | | NCF | 1279.7 | 1283 | 2024 FB Schools Open 7.0 2024 (U17+U19) | 1 | 2024-10-19 | S | B | 1 | 0.7 | 0.3 | 5 | 0.69 | 0.31 | 6.2 |
| 1504.9 | 1493.5 | 20 | 20 | Letsoeisa, M (Modimoonthatile) | | NCF | 1234.5 | 1242.9 | 2024 NC Closed Chess Championships (U18+U20) | 4 | 2024-08-24 | S | W | 1 | 0.86 | 0.14 | 2.6 | 0.83 | 0.17 | 3.4 |
