Ronca, David
Current rating: 1478
Record: 2-3
| Grand Prix Philadelphia 2012 (RTR limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 595 | Tack, James (1462) | Lost 0-0 | -191481 |
| 2sealed | 866 | Confalone, Zach (1482) | Lost 1-2 | -181463 |
| 3sealed | 883 | Emery, Frank (1342) | Won 2-1 | +161479 |
| 4sealed | 875 | Bumbaugh, Lyle (1409) | Won 2-0 | +171496 |
| 5sealed | 791 | Frye, Bryan J (1523) | Lost 0-2 | -181478 |
| average opponent: 1444record: 2-3 | new rating: 1478 | |||