| Ali, S Zarrar | 0 | U | 294960 | Pakistan |
| Ali, Salim | 0 | U | 319232 | Leicestershire * |
| Ali, Samantha | 0 | F | 295885 | Romford * |
| Ali, Sebbar | 0 | U | 289494 | Morocco |
| Ali, Shahnawaz | 0 | M | 256509 | Coulsdon Chess Club |
| Ali, Shahroz | 1502 | M | 361307 | Slough |
| Ali, Shahvez | 1968 | M | 302390 | Kings College School (Wimbledon) |
| Ali, Shahyan | 1530 | M | 312325 | Kings College School (Wimbledon) |
| Ali, Shihab | 0 | M | 316246 | Tameside Juniors |
| Ali, Shimuz | 0 | U | 229558 | Kent Junior Congresses |
| Ali, Sid | 0 | M | 340747 | Kent * |
| Ali, Sikander | 0 | U | 261848 | Knights United |
| Ali, SM | 0 | U | 105609 | Dartford & Swanley |
| Ali, Sumaya | 0 | F | 365951 | Nottingham Girls High School |
