| 1637.8 | 1445.7 | 20 | 20 | Mthembu, P (Prince) | | KED | 1911.4 | 1619.1 | 2025 Kwadabeka Chess Club Year End Open | 2 | 2025-11-29 | R | B | 0.5 | 0.14 | 0.36 | 4.3 | 0.26 | 0.24 | 4.8 |
| 1579.7 | 1223.7 | 20 | 20 | Mthembu, P (Prince) | | KED | 1747.5 | 1418.4 | iLembe Winter Games 2023 (Open) | 3 | 2023-06-10 | R | B | 0 | 0.26 | -0.26 | -3.1 | 0.23 | -0.23 | -4.6 |
| 1579.7 | 1223.7 | 20 | 20 | Mthembu, P (Prince) | | KED | 1747.5 | 1418.4 | Dr Mhlanga Chess Club 2023 | 4 | 2023-06-03 | R | B | 0.5 | 0.26 | 0.24 | 2.6 | 0.23 | 0.27 | 5.4 |
| 1579.7 | 1223.7 | 20 | 20 | Mthembu, P (Prince) | | KED | 1747.5 | 1418.4 | INK Chess Open 2023 | 5 | 2023-06-21 | R | W | 0 | 0.35 | -0.35 | -3.3 | 0.32 | -0.32 | -6.4 |
| 1602.7 | 1206.8 | 20 | 20 | Mthembu, P (Prince) | | KED | 1768.6 | 1423.2 | 2023 La Lucia Rapid (A) | 3 | 2023-01-21 | R | W | 0 | 0.35 | -0.35 | -3.8 | 0.29 | -0.29 | -5.8 |
| 1596.9 | 778 | 20 | 20 | Mthembu, P (Prince) | | KED | 1726.8 | 904.2 | Luthuli Fun Walk And Chess Blitz 2022 | 4 | 2022-07-23 | B | W | 0.5 | 0.39 | 0.11 | 0.4 | 0.39 | 0.11 | 2.2 |
| 1575.8 | 1569 | 20 | 20 | Mthembu, P (Prince) | | KED | 1711.1 | 1709.3 | Luthuli and Kennedy Chess Challenge 2022 (A) | 5 | 2022-06-25 | S | B | 0.5 | 0.3 | 0.2 | 3.3 | 0.29 | 0.21 | 4.2 |
| 1648.4 | 1130 | 20 | 20 | Mthembu, P (Prince) | | KED | 1702.6 | 1123 | Kwadukuza Summer Challenge 2021 (A) | 5 | 2021-11-20 | R | B | 0 | 0.4 | -0.4 | -3.8 | 0.47 | -0.47 | -9.4 |
| 1646.8 | 1628 | 20 | 20 | Mthembu, P (Prince) | | KED | 1703.5 | 1683.6 | 2020 ECA 2nd Youth Trials (U18+U20) | 3 | 2020-03-07 | S | W | 0.5 | 0.48 | 0.02 | 0.3 | 0.48 | 0.02 | 0.4 |
| 1617.6 | 1043.2 | 20 | 20 | Mthembu, P (Prince) | | KED | 1714.5 | 1052.2 | Nobel Prize Chess Tournament 2020 (A) | 2 | 2020-02-01 | R | W | 0 | 0.43 | -0.43 | -5.2 | 0.53 | -0.53 | -10.6 |
| 1531.9 | 1529.5 | 20 | 20 | Mthembu, P (Prince) | | KED | 1578.1 | 1584 | iLembe Spring Junior Chess Champs 2019 (Grade 8-12) | 2 | 2019-09-21 | S | W | 0 | 0.49 | -0.49 | -8.1 | 0.48 | -0.48 | -9.6 |
| 1426.3 | 1414.9 | 20 | 20 | Mthembu, P (Prince) | | KED | 1502.8 | 1507.3 | Africa Rise 2018 (High School) | 3 | 2018-10-27 | S | B | 0 | 0.37 | -0.37 | -6.1 | 0.35 | -0.35 | -7 |
| 1284 | 1289.7 | 20 | 20 | Mthembu, P (Prince) | | KED | 1209.9 | 1232.2 | Mother Africa 2018 (High School) | 4 | 2018-05-05 | S | B | 0 | 0.54 | -0.54 | -9 | 0.53 | -0.53 | -10.6 |
| 1080.5 | 1080.5 | 20 | 20 | Mthembu, P (Prince) | | KED | 997.8 | 1017 | Ilembe Youth Trials 2018 (U18+U20) | 3 | 2018-04-14 | S | B | 1 | 0.55 | 0.45 | 7.5 | 0.53 | 0.47 | 9.4 |
| 1080.5 | 1080.5 | 20 | 20 | Mthembu, P (Prince) | | KED | 997.8 | 1017 | Kwadukuza Trials 2018 (U18 Boys) | 5 | 2018-04-13 | S | B | 0.5 | 0.55 | -0.05 | -0.8 | 0.53 | -0.03 | -0.6 |
