| 1944.9 | 1941.3 | 20 | 20 | Pienaar, KT (Keaton Thomas) | | ENM | 1432.8 | 1435.5 | NMBCU Trial 1 2026 (U20+Open) | 2 | 2026-02-21 | S | W | 1 | 1 | 0 | 0 | 1 | 0 | 0 |
| 1889.3 | 1894.2 | 20 | 20 | Pienaar, KT (Keaton Thomas) | | ENM | 1430.8 | 1432.4 | NMB 3rd Trials 2025 (U20+Adult) | 2 | 2025-04-12 | S | B | 1 | 0.99 | 0.01 | 0.2 | -0.08 | 0.01 | 0.2 |
| 1856.1 | 1878.6 | 20 | 20 | Pienaar, KT (Keaton) | | ENM | 1440 | 1449.1 | NMBCU Closed 2024 (U18) | 6 | 2024-09-21 | S | B | 1 | 0.94 | 0.06 | 1 | 0.96 | 0.04 | 0.8 |
| 1875.9 | 1882.8 | 20 | 20 | Pienaar, KT (Keaton) | | ENM | 1423 | 1420.9 | NMBCU Trials 4 2024 (U18) | 2 | 2024-07-13 | S | B | 1 | 0.99 | 0.01 | 0.2 | 0.99 | 0.01 | 0.2 |
| 1817.2 | 1822.5 | 20 | 20 | Pienaar, KT (Keaton) | | ENM | 1419.3 | 1415.2 | NMBCU Trials 2 2024 (U18) | 6 | 2024-04-13 | S | B | 1 | 0.92 | 0.08 | 1.3 | 0.93 | 0.07 | 1.4 |
| 1791.1 | 1787 | 20 | 20 | Pienaar, KT (Keaton) | | ENM | 1416.4 | 1410.1 | Township Chess Academy Open 2024 (A) | 2 | 2024-03-21 | S | W | 1 | 0.98 | 0.02 | 0.3 | 0.98 | 0.02 | 0.4 |
| 1765.2 | 1774.8 | 20 | 20 | Pienaar, KT (Keaton) | | ENM | 1412.5 | 1409.5 | NMBCU Closed 2023 (U18) | 6 | 2023-08-12 | S | W | 1 | 0.95 | 0.05 | 0.8 | 0.97 | 0.03 | 0.6 |
| 1749.2 | 1756.1 | 20 | 20 | Pienaar, KT (Keaton) | | ENM | 1381.2 | 1387.2 | NMBCU Trial 4 2023 (U18) | 2 | 2023-07-29 | S | W | 1 | 0.97 | 0.03 | 0.5 | 0.97 | 0.03 | 0.6 |
| 1597.4 | 1604.9 | 20 | 20 | Pienaar, KT (Keaton) | | ENM | 1319.6 | 1300.4 | Eatern Cape Provincial Chess Championship 2022 (U16 Boys) | 3 | 2022-10-01 | S | B | 1 | 0.78 | 0.22 | 3.7 | 0.81 | 0.19 | 3.8 |
| 1596.9 | 1580.5 | 20 | 20 | Pienaar, KT (Keaton) | | ENM | 1310.6 | 1302.6 | 2022 NMBCU Trial 4 (U16) | 5 | 2022-08-13 | S | W | 1 | 0.88 | 0.12 | 2 | 0.87 | 0.13 | 2.6 |
| 1423.9 | 1478.5 | 20 | 20 | Pienaar, KT (Keaton) | | ENM | 1256.2 | 1251.4 | 2020 NMBCU Chess Trials 2 2020 (U14) | 5 | 2020-03-07 | S | W | 1 | 0.74 | 0.26 | 4.4 | 0.81 | 0.19 | 3.8 |
| 1418.2 | 1424.7 | 20 | 20 | Pienaar, KT (Keaton) | | ENM | 1287.2 | 1280.5 | Nelson Mandela Bay Junior Trials 4 2019 (U14) | 3 | 2019-07-13 | S | W | 1 | 0.69 | 0.31 | 5.1 | 0.71 | 0.29 | 5.8 |
| 1413.4 | 1418.6 | 20 | 20 | Pienaar, KT (Keaton) | | ENM | 1215.8 | 1218.1 | NMBJCU Trials 3 2019 (U14) | 3 | 2019-05-11 | S | W | 0.5 | 0.77 | -0.27 | -4.5 | 0.78 | -0.28 | -5.6 |
| 1407.4 | 1416 | 20 | 20 | Pienaar, KT (Keaton) | | ENM | 1194 | 1191.5 | Nelson Mandela Bay Junior Chess Trials 2 2019 (U14) | 3 | 2019-04-06 | S | W | 1 | 0.79 | 0.21 | 3.5 | 0.8 | 0.2 | 4 |
| 1300.2 | 1310.2 | 20 | 20 | Pienaar, KT (Keaton) | | ENM | 1233.4 | 1236.1 | NMBCU Trials 1 2019 (U14) | 4 | 2019-03-09 | S | B | 1 | 0.54 | 0.46 | 7.6 | 0.54 | 0.46 | 9.2 |
| 1393.1 | 1399.9 | 20 | 20 | Pienaar, KT (Keaton) | | ENM | 922.6 | 889 | NMB First Trails 2018 (U12) | 2 | 2018-03-23 | S | B | 1 | 0.99 | 0.01 | 0.2 | 0.99 | 0.01 | 0.2 |
| 1050 | 1050 | 20 | 20 | Pienaar, K (Keaton) | | ENM | 734 | 734 | Nelson Mandela Bay Junior Closed 2016 (U10) | 3 | 2016-05-21 | S | W | 1 | 0.87 | 0.13 | 2.2 | 0.13 | 0.87 | 17.4 |
| 1022 | 1022 | 20 | 20 | Pienaar, K (Keaton) | | ENM | 680 | 680 | Nmb 2Nd Chess Trials - Mnt Pleasant 2016 (U10) | 2 | 2016-04-08 | S | W | 1 | 0.88 | 0.12 | 2 | 0.12 | 0.88 | 17.6 |
| 0 | 0 | 20 | 20 | Pienaar, K (Keaton) | | ENM | 433 | 433 | Altona Trials - U8 | 5 | 2014-05-10 | R | B | 1 | 0 | 1 | 12 | 0 | 1 | 20 |
