| 1470.8 | 1462.3 | 20 | 20 | Sparg, N (Nathan) | | EBC | 1566.3 | 1577.6 | Buffalo City Chess Senior Trials 2021 | 4 | 2021-04-10 | S | B | 0.5 | 0.35 | 0.15 | 2.6 | 0.32 | 0.18 | 3.6 |
| 1419.4 | 1407.3 | 20 | 20 | Sparg, N (Nathan) | | EBC | 1617.4 | 1619.9 | BC Mortal Kombat Closed 2020 | 2 | 2020-12-12 | S | B | 1 | 0.23 | 0.77 | 13.1 | 0.21 | 0.79 | 15.8 |
| 1418.8 | 1457.4 | 20 | 20 | Sparg, N (Nathan) | | EBC | 1448.4 | 1463.5 | Vikings League 5 of 6 2019 (Open) | 4 | 2019-10-12 | S | B | 1 | 0.42 | 0.58 | 9.6 | 0.45 | 0.55 | 11 |
| 1361.3 | 1367.6 | 20 | 20 | Sparg, N (Nathan) | | EBC | 1449.7 | 1472.5 | Vikings League 3 of 6 2019 (A) | 4 | 2019-08-24 | S | B | 1 | 0.36 | 0.64 | 10.6 | 0.34 | 0.66 | 13.2 |
| 1360.4 | 1359 | 20 | 20 | Sparg, N (Nathan) | | EBC | 1525.9 | 1523.4 | Vikings Round Robin #4 2019 | 2 | 2019-04-13 | S | W | 0.5 | 0.35 | 0.15 | 2.5 | 0.35 | 0.15 | 3 |
| 1388.2 | 1384.7 | 20 | 20 | Sparg, N (Nathan) | | EBC | 1422.3 | 1422.8 | Chess Vikings Round Robin #1 2019 | 5 | 2019-02-09 | S | W | 1 | 0.5 | 0.5 | 8.3 | 0.5 | 0.5 | 10 |
| 1297.7 | 1301.5 | 20 | 20 | Sparg, N (Nathan) | | EBC | 1386.5 | 1404 | 4th Vikings League 208 (A) | 1 | 2018-10-18 | S | W | 0 | 0.44 | -0.44 | -7.3 | 0.42 | -0.42 | -8.4 |
| 1336.1 | 1350.1 | 20 | 20 | Sparg, N (Nathan) | | EBC | 1261.9 | 1262.5 | Buffalo City Junior Closed Finals 2018 (A) | 3 | 2018-09-29 | S | W | 1 | 0.63 | 0.37 | 6.1 | 0.64 | 0.36 | 7.2 |
| 1336.1 | 1350.1 | 20 | 20 | Sparg, N (Nathan) | | EBC | 1261.9 | 1262.5 | Border Vikings vs South Park 2018 (B) | 6 | 2018-09-08 | S | B | 0 | 0.54 | -0.54 | -10.2 | 0.56 | -0.56 | -11.2 |
| 500 | 500 | 20 | 20 | Sparg, N (Nathan) | | EBC | 500 | 500 | 8Th Buffalo League 2017 | 5 | 2017-11-19 | R | W | 1 | 0.5 | 0.5 | 7.4 | 0.5 | 0.5 | 10 |
| 500 | 500 | 20 | 20 | Sparg, N (Nathan) | | EBC | 500 | 500 | 6Th Buffalo League Blitz 2017 (Div 1) | 6 | 2017-10-24 | B | W | 0 | 0.5 | -0.5 | -1.8 | -0.5 | 0.5 | 10 |
| 500 | 500 | 20 | 20 | Sparg, N (Nathan) | | EBC | 500 | 500 | 6Th Buffalo League Blitz 2017 (Div 1) | 14 | 2017-10-24 | B | B | 0 | 0.5 | -0.5 | -1.8 | -0.5 | 0.5 | 10 |
| 950 | 950 | 20 | 20 | Sparg, N (Nathan) | | EBC | 1163 | 1163 | Buffalo Individual League Qualifier 2017 | 5 | 2017-07-28 | S | B | 0 | 0.23 | -0.23 | -3.8 | -0.23 | 0.23 | 4.6 |
| 911 | 911 | 20 | 20 | Sparg, N (Nathan) | | EBC | 828 | 828 | 4Th Junior Trials - 16 May 2015 (U12A) | 3 | 2015-05-16 | S | B | 0 | 0.61 | -0.61 | -10.1 | -0.61 | 0.61 | 12.2 |
