| 1317 | 1200 | 36 | 36 | Letsoeisa, M (Modimoonthatile) | | NCF | 1596.3 | 1260 | Karpov Chess Club Rapid Open 0.1 2026 (A) | 2 | 2026-04-11 | R | B | 0.5 | 0.13 | 0.37 | 8 | 0.39 | 0.11 | 4 |
| 1316 | 1324.6 | 20 | 20 | Letsoeisa, M (Modimoonthatile) | | NCF | 1491.1 | 1483.2 | Northern Cape Closed 202 (U18 Open) | 2 | 2025-08-22 | S | W | 0 | 0.34 | -0.34 | -6.4 | 0.36 | -0.36 | -7.2 |
| 1288.5 | 1291.8 | 20 | 20 | Letsoeisa, M (Modimoonthatile) | | NCF | 1457.4 | 1453.9 | Spartan Bishops Championships Elite 2025 (U18) | 4 | 2025-05-24 | S | W | 0 | 0.35 | -0.35 | -5.9 | 0.35 | -0.35 | -7 |
| 1275.4 | 1281.4 | 20 | 20 | Modimoonthatile, L (Letswaise) | | NCF | 1311.8 | 1306.4 | 2025 Frances Baard Schools Open 2.0 (U17) | 4 | 2025-02-15 | S | B | 0 | 0.42 | -0.42 | -7.1 | 0.43 | -0.43 | -8.6 |
