Mackenzie, Andrei
Current rating: 1501
Record: 2-2
| Grand Prix Boston 2003 (LGN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 72 | Ramasami, Anthony (1516) | Lost 0-2 | -181482 |
| 2sealed | 216 | Heil, Michael (1482) | Won 2-1 | +181500 |
| 3sealed | 140 | Costello, Anthony (1500) | Won 2-0 | +181518 |
| 4sealed | 142 | Buck, Alex (1556) | Lost 1-2 | -171501 |
| average opponent: 1513record: 2-2 | new rating: 1501 | |||