| 1637.9 | 1633.5 | 20 | 20 | Coetzer, Q (Quinn) | | ENM | 1414.2 | 1466.7 | 2023 Pearson Open Chess Tournament (B) | 5 | 2023-02-25 | S | B | 1 | 0.72 | 0.28 | 4.6 | 0.65 | 0.35 | 7 |
| 1532.2 | 1513 | 20 | 20 | Coetzer, Q (Quinn) | | ENM | 1468.9 | 1464.1 | NMBCU Trial 3 2022 (U16) | 3 | 2022-07-23 | S | W | 1 | 0.62 | 0.38 | 6.3 | 0.6 | 0.4 | 8 |
| 1518.5 | 1493.7 | 20 | 20 | Coetzer, Q (Quinn) | | ENM | 1478.2 | 1482.3 | 2022 NMB Junior Trials 2 (U16) | 3 | 2022-05-14 | S | W | 1 | 0.59 | 0.41 | 6.8 | 0.56 | 0.44 | 8.8 |
| 1487.6 | 1475.8 | 20 | 20 | Coetzer, Q (Quinn) | | ENM | 1477.7 | 1486.8 | 2022 NMB Junior Trials 1 (U16) | 6 | 2022-04-23 | S | B | 1 | 0.47 | 0.53 | 8.8 | 0.45 | 0.55 | 11 |
| 1482.2 | 1239.6 | 20 | 20 | Coetzer, Q (Quinn) | | ENM | 1500.3 | 1127 | PECC Startup Rapid 2022 | 3 | 2022-03-03 | R | W | 1 | 0.52 | 0.48 | 4.5 | 0.67 | 0.33 | 6.6 |
| 1436.4 | 1442.3 | 20 | 20 | Coetzer, Q (Quinn) | | ENM | 1414.3 | 1400.6 | PE Chess Club Open 2019 (A) | 6 | 2019-10-13 | S | W | 0.5 | 0.57 | -0.07 | -1.3 | 0.59 | -0.09 | -1.8 |
| 1435.3 | 1329.2 | 20 | 20 | Coetzer, Q (Quinn) | | ENM | 1403.4 | 917.4 | PECC King Cars Grand Prix Fourth Leg 2019 | 5 | 2019-08-03 | R | W | 0 | 0.58 | -0.58 | -5.8 | 1 | -1 | -20 |
| 1418.2 | 1424.7 | 20 | 20 | Coetzer, Q (Quinn) | | ENM | 1309 | 1298.8 | PECC Club Championships 2019 (Candidates) | 5 | 2019-07-06 | S | B | 1 | 0.59 | 0.41 | 7.7 | 0.6 | 0.4 | 8 |
| 1418.2 | 1424.7 | 20 | 20 | Coetzer, Q (Quinn) | | ENM | 1309 | 1298.8 | NMBYCC Closed 2019 (U14) | 5 | 2019-07-27 | S | B | 0.5 | 0.59 | -0.09 | -1.5 | 0.6 | -0.1 | -2 |
| 1418.2 | 1424.7 | 20 | 20 | Coetzer, Q (Quinn) | | ENM | 1309 | 1298.8 | Nelson Mandela Bay Junior Trials 4 2019 (U14) | 6 | 2019-07-13 | S | B | 1 | 0.59 | 0.41 | 6.8 | 0.6 | 0.4 | 8 |
| 1300.2 | 1310.2 | 20 | 20 | Coetzer, Q (Quinn) | | ENM | 1273.9 | 1256.3 | 2019 South African Junior Closed Chess Championship (U12 Open) | 4 | 2019-03-18 | S | B | 0 | 0.49 | -0.49 | -9.8 | 0.52 | -0.52 | -10.4 |
| 1226.6 | 1220.1 | 20 | 20 | Coetzer, Q (Quinn) | | ENM | 1248.7 | 1251.6 | NMBJC Trials 4 2018 (U12) | 5 | 2018-07-21 | S | B | 0 | 0.43 | -0.43 | -7.1 | 0.42 | -0.42 | -8.4 |
| 1246.1 | 1231.7 | 20 | 20 | Coetzer, Q (Quinn) | | ENM | 1127.2 | 1154.4 | NMB Youth Chess Trial 3 2018 (U12) | 5 | 2018-05-12 | S | B | 0 | 0.6 | -0.6 | -10 | 0.55 | -0.55 | -11 |
| 1273.4 | 1275.2 | 20 | 20 | Coetzer, Q (Quinn) | | ENM | 1213.5 | 1212.7 | NMB Second Trials 2018 (U12) | 3 | 2018-04-21 | S | W | 1 | 0.61 | 0.39 | 7.8 | 0.61 | 0.39 | 7.8 |
| 1393.1 | 1399.9 | 20 | 20 | Coetzer, Q (Quinn) | | ENM | 986.9 | 974.6 | 2018 Boardwalk Pearson Open (B) | 2 | 2018-03-17 | S | W | 1 | 1 | 0 | 0 | 1 | 0 | 0 |
| 1047 | 1047 | 20 | 20 | Coetzer, Q (Quinn) | | ENM | 919 | 919 | Pecc Club Championships 2017 (D) | 2 | 2017-08-10 | S | E | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1007 | 1007 | 20 | 20 | Coetzer, Q (Quinn) | | ENM | 747 | 747 | 2016 J Bay Open (U8 U10) | 6 | 2016-09-02 | R | B | 0 | 0.82 | -0.82 | -9.8 | -0.82 | 0.82 | 16.4 |
