| 1349.8 | 1322.7 | 20 | 20 | Spiller, A (Arin) | | WCT | 1137.8 | 1142.3 | 2020 Central District (U11) | 6 | 2020-02-08 | S | B | 0.5 | 0.71 | -0.21 | -3.5 | 0.67 | -0.17 | -3.4 |
| 1144.5 | 1106.9 | 20 | 20 | Spiller, A (Arin) | | WCT | 1055 | 1040.7 | 2018 Western Province League (E) | 3 | 2018-09-01 | S | B | 0.5 | 0.56 | -0.06 | -1 | 0.54 | -0.04 | -0.8 |
| 1166.4 | 1116.6 | 20 | 20 | Spiller, A (Arin) | | WCT | 939.4 | 954.8 | Western Cape Schools Individuals 2018 (U9 Boys) | 3 | 2018-05-19 | S | B | 1 | 0.72 | 0.28 | 4.6 | 0.65 | 0.35 | 7 |
| 1152.8 | 1107.8 | 20 | 20 | Spiller, A (Arin) | | WCT | 839.5 | 857.2 | 2018 WP Schools Closed Trials (U9 Boys) | 5 | 2018-03-10 | S | W | 1 | 0.91 | 0.09 | 1.5 | 0.83 | 0.17 | 3.4 |
| 955 | 955 | 20 | 20 | Spiller, A (Arin) | | WP | 791 | 791 | Western Cape Championship 2017 (U9 Boys) | 6 | 2017-05-21 | S | W | 1 | 0.72 | 0.28 | 4.6 | 0.28 | 0.72 | 14.4 |
| 900 | 900 | 20 | 20 | Spiller, A (Arin) | | WP | 829 | 829 | Sa Junior Closed Chess Championship 2017 (U8 Open) | 6 | 2017-04-08 | S | B | 0.5 | 0.6 | -0.1 | -2 | -0.1 | 0.6 | 12 |
| 1299 | 1299 | 20 | 20 | Spiller, A (Arin) | | WP | 907 | 907 | Claremont Chess Festival 2017 (U12) | 3 | 2017-01-28 | B | B | 1 | 0.92 | 0.08 | 0.4 | 0.08 | 0.92 | 18.4 |
| 813 | 813 | 20 | 20 | Spiller, A (Arin) | | WP | 717 | 717 | Gpca 2016 (U8) | 5 | 2016-08-06 | R | W | 1 | 0.63 | 0.37 | 4.4 | 0.37 | 0.63 | 12.6 |
| 794 | 794 | 20 | 20 | Spiller, A (Arin) | | WP | 500 | 500 | Steinitz Chess Festival 2016 (U8 U10) | 1 | 2016-04-23 | R | B | 1 | 0.85 | 0.15 | 1.8 | 0.15 | 0.85 | 17 |
| 724 | 724 | 20 | 20 | Spiller, A (Arin) | | WP | 466 | 466 | Wp Schools Chess Trials 2016 (U7 Boys) | 2 | 2016-03-05 | S | W | 1 | 0.82 | 0.18 | 3 | 0.18 | 0.82 | 16.4 |
| 653 | 653 | 20 | 20 | Spiller, A (Arin) | | WP | 500 | 500 | Wp Open 2016 (U10) | 1 | 2016-02-27 | R | B | 1 | 0.7 | 0.3 | 3.6 | 0.3 | 0.7 | 14 |
| 653 | 653 | 20 | 20 | Spiller, A (Arin) | | WP | 500 | 500 | Wp Open 2016 (U10) | 1 | 2016-02-27 | R | B | 1 | 0.7 | 0.3 | 3.6 | 0.3 | 0.7 | 14 |
| 653 | 653 | 20 | 20 | Spiller, A (Arin) | | WP | 500 | 500 | Cape Of Good Hope Open 2016 (U10) | 4 | 2016-01-30 | S | B | 1 | 0.7 | 0.3 | 5 | 0.3 | 0.7 | 14 |
| 653 | 653 | 20 | 20 | Spiller, A (Arin) | | WP | 500 | 500 | Cape Of Good Hope Open 2016 (U10) | 4 | 2016-01-30 | S | B | 1 | 0.7 | 0.3 | 5 | 0.3 | 0.7 | 14 |