Mazzaferri, Brian
Current rating: 1498
Record: 3-3
| Grand Prix Dallas-Fort Worth 2015 (ORI limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 391 | Shoemaker, Joshua (1500) | Won 2-0 | +181518 |
| 2sealed | 242 | Renteria, Reggie (1554) | Won 2-1 | +191537 |
| 3sealed | 221 | Galik, Christopher (1568) | Lost 1-2 | -181519 |
| 4sealed | 352 | Post, Dallas (1334) | Won 2-1 | +151534 |
| 5sealed | 274 | Arquitola, Emilio (1532) | Lost 0-2 | -181516 |
| 6sealed | 250 | Plauche, Jeremiah (1520) | Lost 0-2 | -181498 |
| average opponent: 1501record: 3-3 | new rating: 1498 | |||