| 1132.5 | 1113.9 | 20 | 20 | Sparg, N (Nathan) | | EBC | 1422.3 | 1422.8 | Buffalo City Trials 2 of 5 2019 (U16A) | 4 | 2019-02-16 | S | W | 0 | 0.2 | -0.2 | -3.3 | 0.18 | -0.18 | -3.6 |
| 1043.4 | 888.8 | 20 | 20 | Sparg, N (Nathan) | | EBC | 1353.3 | 1171 | Vikings Closed Sunday Rapid 2018 | 11 | 2018-12-09 | R | B | 0 | 0.1 | -0.1 | -0.9 | 0.13 | -0.13 | -2.6 |
| 1140.8 | 1117.7 | 20 | 20 | Sparg, N (Nathan) | | EBC | 1261.9 | 1262.5 | Buffalo City Junior Closed Finals 2018 (A) | 2 | 2018-09-29 | S | B | 0 | 0.32 | -0.32 | -5.3 | 0.29 | -0.29 | -5.8 |
| 1027.1 | 1030.8 | 20 | 20 | Sparg, N (Nathan) | | EBC | 1262.5 | 1283 | East London School League 2018 (Primary School A) | 1 | 2018-08-18 | S | B | 0 | 0.18 | -0.18 | -3 | 0.16 | -0.16 | -3.2 |
| 938.5 | 924.4 | 20 | 20 | Sparg, N (Nathan) | | EBC | 1188.9 | 1205.4 | 5th Buffalo Trials 2018 (U14A) | 2 | 2018-05-26 | S | W | 0 | 0.25 | -0.25 | -4.1 | 0.21 | -0.21 | -4.2 |
| 844 | 740 | 20 | 20 | Sparg, N (Nathan) | | EBC | 1194.9 | 1193 | 3rd Buffalo Trials 2018 (U14A) | 2 | 2018-04-14 | R | B | 0 | 0.05 | -0.05 | -0.6 | 0 | 0 | 0 |
| 766 | 766 | 20 | 20 | Sparg, N (Nathan) | | EBC | 1085 | 1085 | Buffalo City 1st Chess Trials 2018 (U14A) | 5 | 2018-02-17 | S | W | 0 | 0.17 | -0.17 | -2.8 | 0.17 | -0.17 | -3.4 |
| 606 | 606 | 20 | 20 | Sparg, N (Nathan) | | EBC | 958 | 958 | 2017 3Rd Buffalo City Trials (U14 A) | 1 | 2017-05-20 | S | W | 0 | 0.11 | -0.11 | -1.8 | -0.11 | 0.11 | 2.2 |
| 614 | 614 | 20 | 20 | Sparg, N (Nathan) | | EBC | 734 | 734 | 5Th Buffalo City Chess Trials 2016 (U12) | 1 | 1900-01-01 | S | W | 0 | 0.34 | -0.34 | -5.6 | -0.34 | 0.34 | 6.8 |
