Mainville, Mark
Current rating: 1463
Record: 1-3
| Grand Prix Los Angeles 2002 (ONS rochester) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 124 | Vegso, Brian (1500) | Lost 0-2 | -181482 |
| 2sealed | 161 | Caceres, George (1415) | Lost 0-2 | -191463 |
| 3sealed | 178 | Adderson, Graham (1466) | Lost 0-2 | -181445 |
| 4sealed | 197 | Gopilan, Jarvis (1446) | Won 2-0 | +181463 |
| average opponent: 1457record: 1-3 | new rating: 1463 | |||