| 1404.7 | 1263.4 | 32 | 36 | Petersen, C (Chantelle) | | WEG | 1324.3 | 1107.7 | Hessequa Ontwikkelings Toernooi 2026 (O17+O19 Dogters) | 4 | 2026-10-10 | R | W | 0.5 | 0.64 | -0.14 | -2.4 | 0.72 | -0.22 | -8 |
| 1406 | 1384.4 | 32 | 32 | Petersen, C (Chantelle) | | WEG | 1378 | 1374.2 | Eden Chess Trials 2 2026 (U18 Girls) | 3 | 2026-05-23 | S | W | 0.5 | 0.57 | -0.07 | -2 | 0.55 | -0.05 | -1.7 |
| 1454.7 | 1445.1 | 32 | 32 | Petersen, C (Chantelle) | | WEG | 1297 | 1291.3 | 2026 Hessequa Skole Skaak Proewe 1 (U18 Girls) | 2 | 2026-02-21 | S | B | 0.5 | 0.64 | -0.14 | -3.8 | 0.64 | -0.14 | -4.4 |
| 1444.6 | 1442.4 | 20 | 20 | Petersen, C (Chantelle) | | WEG | 1246.5 | 1237.4 | Hessequa Ontwikkelings Toernooi 2025 (U17 Girls) | 3 | 2025-03-01 | S | W | 0.5 | 0.77 | -0.27 | -4.5 | 0.78 | -0.28 | -5.6 |
| 1444.6 | 1442.4 | 20 | 20 | Petersen, C (Chantelle) | | WEG | 1246.5 | 1237.4 | Eden Schools Chess Trials 1 2025 (U17 Girls) | 5 | 2025-03-08 | S | B | 0.5 | 0.69 | -0.19 | -3.2 | 0.7 | -0.2 | -4 |
| 1460.2 | 1454.9 | 20 | 20 | Petersen, C (Chantelle) | | WEG | 1233.3 | 1223.5 | Hessequa Skole Proewe 2 2025 (U17 Girls) | 4 | 2025-01-25 | S | W | 0.5 | 0.81 | -0.31 | -5.1 | 0.81 | -0.31 | -6.2 |
| 1346.2 | 1294.5 | 20 | 20 | Petersen, C (Chantelle) | | WCT | 1146.5 | 1121.6 | Hessequa Proewe 2 2023 (O15 Dogters) | 4 | 2023-02-11 | S | B | 0.5 | 0.69 | -0.19 | -3.2 | 0.66 | -0.16 | -3.2 |
| 1350.2 | 1298.7 | 20 | 20 | Petersen, C (Chantelle) | | WCT | 1142.9 | 1111.5 | Hessequa Proewe 1 2023 (O15 Dogters) | 3 | 2023-01-28 | S | W | 1 | 0.78 | 0.22 | 3.7 | 0.76 | 0.24 | 4.8 |
| 1259.7 | 1261.7 | 20 | 20 | Petersen, C (Chantelle) | | WCT | 1140 | 1131.2 | Eden Trials 1 2019 (U12 Open) | 2 | 2019-03-02 | S | B | 1 | 0.6 | 0.4 | 6.6 | 0.61 | 0.39 | 7.8 |
