Marcolla, Steve
Current rating: 1449
Record: 2-5-2
| Grand Prix Atlanta 2011 (extended) | starting rating: 1447 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 30 | Kennedy, Michael (1500) | Draw 1-1 | +11448 |
| 2extended | 141 | Perlin, Leonid (1499) | Lost 1-2 | -171431 |
| 3extended | 214 | Nussbaum, Joshua W (1462) | Won 2-1 | +181449 |
| 4extended | 205 | Henry, Samuel (1481) | Won 2-0 | +191468 |
| 5extended | 142 | Sprouse, Joseph (1435) | Lost 1-2 | -191449 |
| average opponent: 1476record: 2-2-1 | new rating: 1449 | |||
| Grand Prix Columbus 2010 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 161 | Gibbons, Christopher C (1537) | Draw 1-1 | +11501 |
| 2legacy | 171 | Morenz, Will (1500) | Lost 0-2 | -181483 |
| 3legacy | 237 | Hegge, Andrew J (1482) | Lost 0-2 | -181465 |
| 4legacy | 281 | Crea, Ralph J (1465) | Lost 0-2 | -181447 |
| average opponent: 1496record: 0-3-1 | new rating: 1447 | |||