| 1559.2 | 1561.7 | 20 | 20 | Claassen, J (Jean-Daniel) | | GTP | 1703.9 | 1707.1 | 2019 Alekhine Open (A) | 5 | 2019-08-10 | S | W | 1 | 0.37 | 0.63 | 12.6 | 0.37 | 0.63 | 12.6 |
| 1611.1 | 1613.6 | 20 | 20 | Claassen, J (Jean-Daniel) | | GTP | 1445.2 | 1445.7 | 2018 Etienne Lewis Trials (U16 Boys) | 3 | 2018-09-01 | S | W | 0 | 0.73 | -0.73 | -14.6 | 0.74 | -0.74 | -14.8 |
| 1611.1 | 1613.6 | 20 | 20 | Claassen, J (Jean-Daniel) | | GTP | 1445.2 | 1445.7 | 2018 Centurion Chess Club Open (A) | 5 | 2018-09-29 | S | B | 0 | 0.65 | -0.65 | -10.8 | 0.65 | -0.65 | -13 |
| 1498.7 | 1499.7 | 20 | 20 | Claassen, J (Jean-Daniel) | | GTP | 1409.6 | 1405.7 | 2018 Alekhine Open (A) | 5 | 2018-08-11 | S | B | 1 | 0.56 | 0.44 | 8.3 | 0.57 | 0.43 | 8.6 |
| 1519 | 1519 | 20 | 20 | Claassen, J (Jean-Daniel) | | GTP | 1406 | 1406 | 2017 Lardies Open (A+B) | 3 | 2017-10-28 | S | W | 1 | 0.65 | 0.35 | 5.8 | 0.35 | 0.65 | 13 |
| 1292 | 1292 | 20 | 20 | Claassen, J (Jean-Daniel) | | GTP | 1375 | 1375 | 2017 Pss Capablanca (Rr F) | 4 | 2017-04-28 | S | B | 1 | 0.39 | 0.61 | 12.2 | 0.61 | 0.39 | 7.8 |
| 1302 | 1302 | 20 | 20 | Claassen, J (Jean-Daniel) | | GTP | 1322 | 1322 | Sa Junior Closed Chess Championship 2017 (U14 Open) | 4 | 2017-04-07 | S | W | 1 | 0.47 | 0.53 | 10.6 | 0.53 | 0.47 | 9.4 |
| 1242 | 1242 | 20 | 20 | Claassen, J (Jean-Daniel) | | GTP | 1172 | 1172 | 2016 Lardies Open (B) | 4 | 2016-11-05 | S | B | 0.5 | 0.6 | -0.1 | -1.7 | -0.1 | 0.6 | 12 |
