Kopchak, Timothy
Current rating: 1476
Record: 2-3-1
| Grand Prix Philadelphia 2012 (RTR limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 70 | Richards, Adam C (1481) | Lost 0-2 | -181482 |
| 2sealed | 368 | Brooks, John T (1349) | Won 2-1 | +151497 |
| 3sealed | 254 | Roeber, Donald (1499) | Draw 1-1 | 01497 |
| 4sealed | 315 | Tamatsukuri, KC (1484) | Lost 0-2 | -181479 |
| 5sealed | 357 | Jackson, Daniel (1432) | Won 2-0 | +171496 |
| 6sealed | 278 | Yashina, Valeria (1367) | Lost 0-2 | -201476 |
| average opponent: 1435record: 2-3-1 | new rating: 1476 | |||