| Grade Improvement |
Name |
Club |
Grade |
Previous Grade |
| 620 |
George Adams |
Lewes |
1774 |
1154 |
| 315 |
Nayan Keats Rastogi |
Worthing |
1695 |
1380 |
| 295 |
Cillian Nagy |
East Grinstead Bookshop |
1400 |
1105 |
| 253 |
Kit Blades |
Brighton & Hove |
1880 |
1627 |
| 223 |
Samuel Merchant |
Eastbourne |
1417 |
1194 |
| 223 |
Samuel Merchant |
Bexhill |
1417 |
1194 |
| 203 |
Seha Konara |
Crowborough |
1521 |
1318 |
| 202 |
Caelan Rooney |
Hastings & St Leonards |
1657 |
1455 |
| 188 |
Henry Adams |
Lewes |
2115 |
1927 |
| 181 |
Alannah Ashton |
Brighton & Hove |
1891 |
1710 |
| 175 |
Oliver Stockham |
Crowborough |
1759 |
1584 |
| 167 |
Jonathan Britnell |
Lewes |
2107 |
1940 |
| 166 |
Edward Jackson |
Brighton & Hove |
2262 |
2096 |
| 164 |
Oliver Martin |
Horsham |
1579 |
1415 |
| 156 |
Alexander Lebedev |
Crowborough |
1360 |
1204 |
| 156 |
Alexander Lebedev |
Hastings & St Leonards |
1360 |
1204 |
| 143 |
Isabella Walsh |
Crowborough |
724 |
581 |
| 133 |
Louis Buckland |
Lewes |
1845 |
1712 |
| 128 |
Anh Nguyen |
Bexhill |
1872 |
1744 |
| 122 |
Martin Pettinger |
Brighton & Hove |
1941 |
1819 |