| 1769.3 | 1779.1 | 20 | 20 | Yu, CRR (Changrui) | | WCT | 1622.6 | 1632.8 | Western Cape Schools Individuals 2019 (U15 Boys) | 6 | 2019-05-05 | S | W | 1 | 0.71 | 0.29 | 4.8 | 0.71 | 0.29 | 5.8 |
| 1688.4 | 1697.3 | 20 | 20 | Yu, CRR (Changrui) | | WCT | 1598.2 | 1602.3 | Metro School Chess Closed Individual Trials 2019 (U15 Boys) | 5 | 2019-03-02 | S | B | 0.5 | 0.56 | -0.06 | -1 | 0.57 | -0.07 | -1.4 |
| 1662.4 | 1666.8 | 20 | 20 | Yu, CRR (Changrui) | | WCT | 1603.1 | 1608.5 | District North Schools Chess Trials 2019 (U15) | 6 | 2019-01-26 | S | W | 1 | 0.61 | 0.39 | 6.5 | 0.61 | 0.39 | 7.8 |
| 1608.7 | 1610.8 | 20 | 20 | Yu, CRR (Changrui) | | WCT | 1580.5 | 1577.7 | Stellenberg Youth Chess Champs 2018 (A) | 5 | 2018-06-23 | S | B | 1 | 0.49 | 0.51 | 8.5 | 0.5 | 0.5 | 10 |
| 1695 | 1695 | 20 | 20 | Yu, Crr (Changrui) | | WP | 1555 | 1555 | Steinitz Chess Festival 2017 (Prestige) | 4 | 2017-04-15 | S | B | 0 | 0.69 | -0.69 | -13.8 | -0.69 | 0.69 | 13.8 |
| 1564 | 1564 | 20 | 20 | Yu, Crr (Changrui) | | WP | 1518 | 1518 | Sa Junior Closed Chess Championship 2016 (U12 Boys) | 5 | 2016-03-22 | S | B | 0 | 0.56 | -0.56 | -11.2 | -0.56 | 0.56 | 11.2 |
| 1487 | 1487 | 20 | 20 | Yu, Crr (Changrui) | | WP | 1426 | 1426 | Wp Schools Closed 2015 (U11 Boys) | 5 | 2015-03-07 | S | W | 0 | 0.58 | -0.58 | -9.6 | -0.58 | 0.58 | 11.6 |
| 1372 | 1372 | 20 | 20 | Yu, Crr (Changrui) | | WP | 1433 | 1433 | South African Junior Closed 2014 U10 Boys | 6 | 2014-04-02 | S | B | 0 | 0.42 | -0.42 | -8.4 | -0.42 | 0.42 | 8.4 |
| 1349 | 1349 | 20 | 20 | Yu, Crr (Changrui) | | WP | 1385 | 1385 | Wp Individual Championships (Under 12 Boys) | 4 | 2014-03-29 | S | W | 0 | 0.45 | -0.45 | -7.5 | -0.45 | 0.45 | 9 |
| 1349 | 1349 | 20 | 20 | Yu, Crr (Changrui) | | WP | 1385 | 1385 | Steinitz Chess Club Championship 2014 (A Section) | 7 | 2014-03-15 | S | W | 1 | 0.45 | 0.55 | 9.1 | 0.55 | 0.45 | 9 |
| 1310 | 1310 | 20 | 20 | Yu, Crr (Changrui) | | WP | 1351 | 1351 | District North Individual Trials 2014 (Under12) | 5 | 2014-02-08 | S | W | 0 | 0.44 | -0.44 | -7.3 | -0.44 | 0.44 | 8.8 |
| 1187 | 1187 | 20 | 20 | Yu, Crr (Changrui) | | WP | 1145 | 1145 | South African Junior Closed 2013 U10 Boys | 3 | 2013-04-03 | S | W | 0 | 0.56 | -0.56 | -11.2 | -0.56 | 0.56 | 11.2 |
