Boyd, Mark
Current rating: 1501
Record: 2-2
| Grand Prix London 2013 (GTC limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 319 | Barby, Matthew (1500) | Won 2-1 | +181518 |
| 2sealed | 123 | Talbot, Jonathan L (1525) | Won 2-1 | +181536 |
| 3sealed | 291 | Hauck, Manuel (1578) | Lost 0-2 | -171519 |
| 4sealed | 315 | KEENE, ANDREW D (1518) | Lost 0-2 | -181501 |
| average opponent: 1530record: 2-2 | new rating: 1501 | |||