| 1560.8 | 1553.6 | 20 | 20 | Oliver, HN (Henry) | | WCT | 1692.9 | 1734.1 | 2018 Ethekwini League | 3 | 2018-09-16 | S | W | 0 | 0.39 | -0.39 | -7.3 | 0.33 | -0.33 | -6.6 |
| 1511.9 | 1493.4 | 20 | 20 | Oliver, HN (Henry) | | WCT | 1722.3 | 1771.6 | 2018 John Blackburn Memorial | 4 | 2018-09-06 | S | B | 0.5 | 0.21 | 0.29 | 5.8 | 0.13 | 0.37 | 7.4 |
| 1584.4 | 1578.8 | 20 | 20 | Oliver, HN (Henry) | | WCT | 1751.1 | 1748.6 | 2018 Durban Chess Club (A) | 4 | 2018-04-12 | S | W | 0 | 0.35 | -0.35 | -7 | 0.34 | -0.34 | -6.8 |
| 1572 | 1572 | 20 | 20 | Oliver, Hn (Henry) | | KZN | 1726 | 1726 | 2017 Durban Championships (Section A) | 7 | 2017-05-11 | S | B | 1 | 0.29 | 0.71 | 14.2 | 0.71 | 0.29 | 5.8 |
| 1486 | 1486 | 20 | 20 | Oliver, Hn (Henry) | | KZN | 1729 | 1729 | 2017 Kzn Blitz Championship | 6 | 2017-04-29 | S | W | 0 | 0.2 | -0.2 | -3.3 | -0.2 | 0.2 | 4 |
| 1369 | 1369 | 20 | 20 | Oliver, Hn (Henry) | | KZN | 1762 | 1762 | 2017 Moss Kolnik Memorial Swiss | 7 | 2017-02-23 | S | B | 1 | 0.08 | 0.92 | 17.3 | 0.92 | 0.08 | 1.6 |
| 1316 | 1316 | 20 | 20 | Oliver, Hn (Henry) | | KZN | 1764 | 1764 | 2016 Durban Cc September Blitz | 3 | 1900-01-01 | S | W | 0 | 0.06 | -0.06 | -1 | -0.06 | 0.06 | 1.2 |
| 1400 | 1400 | 20 | 20 | Oliver, Hn (Henry) | | KZN | 1685 | 1685 | 2016 Moss Kolnik Memorial Swiss | 2 | 1900-01-01 | S | B | 0 | 0.16 | -0.16 | -3 | -0.16 | 0.16 | 3.2 |
| 1411 | 1411 | 20 | 20 | Oliver, Hn (Henry) | | KZN | 1662 | 1662 | 2015 Kzn Open (A Section) | 4 | 2015-04-26 | S | B | 0 | 0.19 | -0.19 | -3.2 | -0.19 | 0.19 | 3.8 |
| 1279 | 1279 | 20 | 20 | Oliver, Hn (Henry) | | KZN | 1659 | 1659 | 1St Mandela 67 Minutes Chess | 4 | 2014-07-19 | S | B | 0 | 0.09 | -0.09 | -1.5 | -0.09 | 0.09 | 1.8 |
