Chewning, Jeffrey J
Current rating: 1411
Record: 0-5
| Grand Prix Philadelphia 2012 (RTR limited) | starting rating: 1445 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 321 | Dick, Stephen (1500) | Lost 0-2 | -171428 |
| 2sealed | 310 | Mitchell, Tim (1465) | Lost 0-2 | -171411 |
| average opponent: 1483record: 0-2 | new rating: 1411 | |||
| Grand Prix Boston 2009 (M10 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 236 | Rosa, William (1500) | Lost 1-2 | -181482 |
| 2sealed | 229 | Musser, Dan (1482) | Lost 0-2 | -181464 |
| 3sealed | 302 | Gallo, Blake (1409) | Lost 1-2 | -191445 |
| average opponent: 1464record: 0-3 | new rating: 1445 | |||