| 1712.1 | 1746.5 | 20 | 20 | Oliver, HN (Henry) | | WCT | 1729.8 | 1765.4 | 2019 John Blackburn Memorial Swiss | 4 | 2019-08-29 | S | W | 1 | 0.52 | 0.48 | 9.6 | 0.52 | 0.48 | 9.6 |
| 1677.7 | 1725.5 | 20 | 20 | Oliver, HN (Henry) | | WCT | 1751.7 | 1792.3 | 2019 Durban Chess Club Championship (A) | 4 | 2019-04-04 | S | B | 1 | 0.37 | 0.63 | 12.6 | 0.38 | 0.62 | 12.4 |
| 1663.7 | 1693.3 | 20 | 20 | Oliver, HN (Henry) | | WCT | 1713.9 | 1761.5 | 2018 Durban CC Third Swiss | 6 | 2018-11-15 | S | W | 0 | 0.48 | -0.48 | -9.6 | 0.46 | -0.46 | -9.2 |
| 1679.8 | 1712.6 | 20 | 20 | Oliver, HN (Henry) | | WCT | 1692.9 | 1734.1 | 2018 Ethekwini League | 5 | 2018-10-20 | S | W | 0 | 0.53 | -0.53 | -10 | 0.52 | -0.52 | -10.4 |
| 1718.7 | 1718.7 | 20 | 20 | Oliver, HN (Henry) | | WCT | 1751.1 | 1748.6 | 2018 Durban Chess Club (A) | 8 | 2018-05-10 | S | W | 0 | 0.5 | -0.5 | -10 | 0.51 | -0.51 | -10.2 |
| 1751.5 | 1751.5 | 20 | 20 | Oliver, HN (Henry) | | WCT | 1761 | 1761 | 2018 Moss Kolnik Memorial | 3 | 2018-01-25 | S | B | 0.5 | 0.45 | 0.05 | 1 | 0.45 | 0.05 | 1 |
| 1744 | 1744 | 20 | 20 | Oliver, Hn (Henry) | | KZN | 1712 | 1712 | 2017 John Blackburn Memorial | 4 | 2017-08-24 | S | B | 0 | 0.54 | -0.54 | -10.8 | -0.54 | 0.54 | 10.8 |
| 1662 | 1662 | 20 | 20 | Oliver, Hn (Henry) | | KZN | 1726 | 1726 | 2017 Durban Championships (Section A) | 6 | 2017-05-04 | S | W | 1 | 0.41 | 0.59 | 11.8 | 0.59 | 0.41 | 8.2 |
| 1659 | 1659 | 20 | 20 | Oliver, Hn (Henry) | | KZN | 1736 | 1736 | 2017 Kzn Open (A) | 3 | 2017-04-28 | S | E | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1638 | 1638 | 20 | 20 | Oliver, Hn (Henry) | | KZN | 1622 | 1622 | 2016 Dcc Third Swiss | 4 | 2016-10-27 | S | W | 0 | 0.52 | -0.52 | -9.8 | -0.52 | 0.52 | 10.4 |
| 1644 | 1644 | 20 | 20 | Oliver, Hn (Henry) | | KZN | 1665 | 1665 | 2016 Durban Cc Champs (Section A) | 2 | 2016-04-14 | S | W | 1 | 0.47 | 0.53 | 10.6 | 0.53 | 0.47 | 9.4 |
| 1732 | 1732 | 20 | 20 | Oliver, Hn (Henry) | | KZN | 1750 | 1750 | 2016 Dcc Blitz March (Section B) | 4 | 1900-01-01 | S | B | 1 | 0.47 | 0.53 | 8.8 | 0.53 | 0.47 | 9.4 |
| 1680 | 1680 | 20 | 20 | Oliver, Hn (Henry) | | KZN | 1689 | 1689 | 2015 Durban Cc Third Swiss | 4 | 2015-10-29 | S | B | 0 | 0.49 | -0.49 | -9.2 | -0.49 | 0.49 | 9.8 |
| 1685 | 1685 | 20 | 20 | Oliver, Hn (Henry) | | KZN | 1650 | 1650 | 2015 Moss Kolnik Memorial Swiss | 7 | 2015-03-05 | S | W | 0.5 | 0.55 | -0.05 | -0.9 | -0.05 | 0.55 | 11 |
| 1562 | 1562 | 20 | 20 | Oliver, Hn (Henry) | | KZN | 1724 | 1724 | 2013 Durban Cc Section A | 7 | 2013-04-25 | S | W | 1 | 0.29 | 0.71 | 14.2 | 0.71 | 0.29 | 5.8 |
| 1612 | 1612 | 20 | 20 | Oliver, Hn (Henry) | | KZN | 1679 | 1679 | 2013 Moss Kolnik Memorial | 8 | 2013-02-28 | S | B | 0 | 0.41 | -0.41 | -7.7 | -0.41 | 0.41 | 8.2 |
| 1619 | 1619 | 20 | 20 | Oliver, Hn (Henry) | | KZN | 1667 | 1667 | 2012 Kzn Chess Union League | 5 | 2012-09-09 | S | W | 0 | 0.43 | -0.43 | -8.1 | -0.43 | 0.43 | 8.6 |
