| 1359.4 | 1368.8 | 20 | 20 | Sparg, N (Nathan) | | EBC | 1579.9 | 1571.7 | BC Trials 2 2022 (U18-Open) | 2 | 2022-02-19 | S | W | 0 | 0.29 | -0.29 | -4.8 | 0.31 | -0.31 | -6.2 |
| 1359.4 | 1368.8 | 20 | 20 | Sparg, N (Nathan) | | EBC | 1579.9 | 1571.7 | BC Trials 1 2022 (U18A+Open) | 1 | 2022-02-11 | S | W | 0.5 | 0.29 | 0.21 | 3.5 | 0.31 | 0.19 | 3.8 |
| 1303.1 | 1313.8 | 20 | 20 | Sparg, N (Nathan) | | EBC | 1449.7 | 1472.5 | Vikings League 3 of 6 2019 (A) | 1 | 2019-08-24 | S | B | 0 | 0.29 | -0.29 | -4.8 | 0.27 | -0.27 | -5.4 |
| 1264.5 | 1270.9 | 20 | 20 | Sparg, N (Nathan) | | EBC | 1422.3 | 1422.8 | Chess Vikings Round Robin #2 2019 | 1 | 2019-02-23 | S | W | 0 | 0.36 | -0.36 | -6 | 0.36 | -0.36 | -7.2 |
| 1264.5 | 1270.9 | 20 | 20 | Sparg, N (Nathan) | | EBC | 1422.3 | 1422.8 | Buffalo City Trials 2 of 5 2019 (U16A) | 3 | 2019-02-16 | S | B | 0 | 0.27 | -0.27 | -4.5 | 0.28 | -0.28 | -5.6 |
| 1264.5 | 1270.9 | 20 | 20 | Sparg, N (Nathan) | | EBC | 1422.3 | 1422.8 | Buffalo City Trials 1 of 5 2019 (U16) | 3 | 2019-02-02 | S | W | 1 | 0.36 | 0.64 | 10.6 | 0.36 | 0.64 | 12.8 |
| 1344 | 1324.9 | 20 | 20 | Sparg, N (Nathan) | | EBC | 1386.5 | 1404 | 4th Vikings League 208 (A) | 5 | 2018-10-18 | S | W | 0.5 | 0.49 | 0.01 | 0.2 | 0.45 | 0.05 | 1 |
| 1061.1 | 1056.9 | 20 | 20 | Sparg, N (Nathan) | | EBC | 1262.5 | 1283 | East London School League 2018 (Primary School A) | 3 | 2018-08-18 | S | W | 0.5 | 0.31 | 0.19 | 3.2 | 0.28 | 0.22 | 4.4 |
| 1079 | 1049 | 20 | 20 | Sparg, N (Nathan) | | EBC | 1188.9 | 1205.4 | 4th Buffalo Trials 2018 (U14A) | 2 | 2018-05-05 | S | B | 0 | 0.33 | -0.33 | -5.5 | 0.28 | -0.28 | -5.6 |
| 1007 | 1007 | 20 | 20 | Sparg, N (Nathan) | | EBC | 958 | 958 | 2017 3Rd Buffalo City Trials (U14 A) | 3 | 2017-05-20 | S | B | 0 | 0.57 | -0.57 | -9.5 | -0.57 | 0.57 | 11.4 |
| 1007 | 1007 | 20 | 20 | Sparg, N (Nathan) | | EBC | 958 | 958 | 2017 2Nd Buffalo City Chess Trials (U14 A) | 4 | 2017-05-06 | S | B | 0 | 0.57 | -0.57 | -9.5 | -0.57 | 0.57 | 11.4 |
| 947 | 947 | 20 | 20 | Sparg, N (Nathan) | | EBC | 806 | 806 | Ec Closed Inter Union 2016 (U12) | 5 | 2016-10-01 | S | W | 1 | 0.69 | 0.31 | 5.1 | 0.31 | 0.69 | 13.8 |
| 921 | 921 | 20 | 20 | Sparg, N (Nathan) | | EBC | 758 | 758 | 1St Buffalo City Chess Trials 2016 (U12) | 2 | 1900-01-01 | S | B | 1 | 0.72 | 0.28 | 4.6 | 0.28 | 0.72 | 14.4 |