Mazza, David
Current rating: 1448
Record: 1-4
| Grand Prix Philadelphia 2002 (ONS rochester) | starting rating: 1480 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 105 | Marks, Jason (1642) | Lost 1-2 | -151465 |
| 3sealed | 136 | Russell, Kenneth (1548) | Lost 1-2 | -171448 |
| average opponent: 1595record: 0-2 | new rating: 1448 | |||
| Grand Prix Boston 2001 (PLS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 74 | Gonzales, Roberto (1388) | Won 2-1 | +161516 |
| 2sealed | 84 | Klinger, Jason (1518) | Lost 0-2 | -181498 |
| 3sealed | 190 | Blake, Matthew (1498) | Lost 0-2 | -181480 |
| average opponent: 1468record: 1-2 | new rating: 1480 | |||