Hjort-Tyson, Giles
Current rating: 1518
Record: 4-3
| Grand Prix Washington DC 1999 (UDS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 71 | Tan, Iwan (1483) | Lost 0-0 | -181482 |
| 2sealed | 116 | McDonough, Anthony (1482) | Won 0-0 | +181500 |
| 3sealed | 135 | Matousek, John (1500) | Won 0-0 | +181518 |
| 4sealed | 96 | Fischer, Adam (1518) | Won 0-0 | +181536 |
| 5sealed | 50 | Anders, Geoffrey (1535) | Won 0-0 | +181554 |
| 6sealed | 26 | O'Mahoney-Schwartz, Daniel (1575) | Lost 0-0 | -181536 |
| 7sealed | 52 | Martin, Matthew (1536) | Lost 0-0 | -181518 |
| average opponent: 1518record: 4-3 | new rating: 1518 | |||