Orange, John J
Current rating: 1463
Record: 1-3
| Grand Prix Philadelphia 2012 (RTR limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 91 | Jargowsky, Bill (1432) | Lost 0-2 | -191481 |
| 2sealed | 388 | Hendricks, Thomas (1483) | Lost 0-2 | -181463 |
| 3sealed | 432 | Marchington, Scott (1481) | Won 2-0 | +181481 |
| 4sealed | 415 | Shen, Xiangyu (1482) | Lost 0-2 | -181463 |
| average opponent: 1470record: 1-3 | new rating: 1463 | |||