Mirabal, Roberto
Current rating: 1564
Record: 9-6
| Grand Prix Orlando 2014 (KTK limited) | starting rating: 1499 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 360 | Wheeler-Sabatino, Chris (1499) | Won 2-0 | +181517 |
| 2sealed | 489 | Fox Jr, Joe (1690) | Lost 1-2 | -151502 |
| 3sealed | 265 | Wampler, Jared (1500) | Won 2-0 | +181520 |
| 4sealed | 232 | Perez, Ruben (1654) | Lost 0-0 | -161504 |
| 5sealed | 283 | Morgan, McKinley (1490) | Won 2-1 | +181522 |
| 6sealed | 174 | Fortner, Phillip (1853) | Won 2-0 | +241546 |
| 7sealed | 198 | Day, Miranda (1532) | Lost 0-2 | -191527 |
| 8sealed | 155 | Charron, Eugene (1555) | Won 2-0 | +191546 |
| 9sealed | 117 | Hartnett, James (1545) | Won 2-0 | +181564 |
| average opponent: 1591record: 6-3 | new rating: 1564 | |||
| Grand Prix Miami 2013 (DGM standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 201 | Conde, Ricardo (1409) | Won 2-0 | +161516 |
| 2standard | 278 | Hysler, Mike (1486) | Lost 0-2 | -181498 |
| 3standard | 273 | Christopher, Hunter (1501) | Won 2-0 | +181516 |
| 4standard | 261 | Waddell, Claribel (1520) | Lost 0-2 | -181498 |
| 5standard | 448 | Young, Duane (1534) | Lost 1-2 | -171481 |
| 6standard | 425 | Rudd, Jason (1482) | Won 2-1 | +181499 |
| average opponent: 1488record: 3-3 | new rating: 1499 | |||