Thibault, Mark
Current rating: 1465
Record: 1-3
| Grand Prix Boston 2003 (LGN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 93 | Buck, Alex (1541) | Lost 0-2 | -171483 |
| 2sealed | 202 | Arreola, Saul (1484) | Lost 0-2 | -181465 |
| 3sealed | 236 | Hulse, Brian (1464) | Won 2-0 | +181483 |
| 4sealed | 196 | Matson, Peter (1482) | Lost 0-2 | -181465 |
| average opponent: 1492record: 1-3 | new rating: 1465 | |||