Tocci, Mark
Current rating: 1450
Record: 3-6
| Grand Prix Boston 2003 (LGN limited) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 77 | James, Ted (1500) | Lost 0-2 | -181464 |
| 2sealed | 204 | Assunto, Nick (1482) | Lost 0-2 | -181446 |
| 3sealed | 231 | Lanson, Gregory (1481) | Won 2-0 | +191465 |
| 4sealed | 222 | Fischer, Adam (1612) | Lost 1-2 | -151450 |
| average opponent: 1519record: 1-3 | new rating: 1450 | |||
| Grand Prix Boston 2001 (PLS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 17 | Bayer, Christopher (1500) | Won 2-1 | +181518 |
| 2sealed | 129 | Pamphret, Mark (1518) | Lost 1-2 | -181500 |
| 3sealed | 182 | Strand, Ryan (1482) | Lost 0-2 | -181482 |
| 4sealed | 187 | Vella, Michael (1481) | Won 2-1 | +181500 |
| 5sealed | 158 | Mason, Eric (1502) | Lost 0-2 | -181482 |
| average opponent: 1497record: 2-3 | new rating: 1482 | |||