De Rosa, Michael
Current rating: 1564
Record: 11-8
| Grand Prix Pittsburgh 2015 (modern) | starting rating: 1526 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 382 | Desotelle, Dwight (1652) | Won 2-1 | +201546 |
| 2modern | 546 | Dye, Brandon (1677) | Won 2-0 | +201566 |
| 3modern | 267 | Hoffman, Nathaniel (1518) | Won 2-1 | +181584 |
| 4modern | 15 | Fallen, Brad (1503) | Won 2-0 | +161600 |
| 5modern | 104 | Duncan, Zachary (1637) | Won 2-1 | +191619 |
| 6modern | 35 | Koprowski, John (1548) | Lost 0-2 | -191600 |
| 7modern | 78 | Thomas, Dane (1704) | Won 2-1 | +191619 |
| 8modern | 74 | Cali, Rich (1612) | Won 2-1 | +181637 |
| 9modern | 51 | McGuffey, Charles (1615) | Lost 0-2 | -181619 |
| 10modern | 96 | Saypoff, Matthew (1637) | Lost 0-2 | -181601 |
| 11modern | 119 | Fortanely, Bobby (1585) | Lost 0-2 | -181583 |
| 12modern | 138 | Fallon, Luke (1542) | Lost 1-2 | -191564 |
| average opponent: 1603record: 7-5 | new rating: 1564 | |||
| Grand Prix Pittsburgh 2013 (GTC limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 39 | Sowers, Travis (1687) | Lost 1-2 | -151485 |
| 2sealed | 431 | Vlosich, James (1482) | Won 2-1 | +181503 |
| 3sealed | 512 | Kim, Jason (1501) | Won 2-1 | +181521 |
| 4sealed | 431 | Lloyd, Andrew (1497) | Won 2-1 | +181539 |
| 5sealed | 144 | Gorski, Chris (1534) | Won 2-1 | +181557 |
| 6sealed | 121 | Ogreenc, Greg (1721) | Lost 0-2 | -151542 |
| 7sealed | 329 | Lafakis, Chris (1657) | Lost 1-2 | -161526 |
| average opponent: 1583record: 4-3 | new rating: 1526 | |||