Hoffmann, James W
Current rating: 1545
Record: 8-6
| Grand Prix Pittsburgh 2011 (M12 standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 247 | Tysinger, Chase (1469) | Lost 0-2 | -181482 |
| 2standard | 398 | Looney, Ruddy (1502) | Won 2-1 | +181500 |
| 3standard | 461 | Reiman, Andrew (1499) | Won 2-0 | +181518 |
| 4standard | 341 | Bennett, Eric (1521) | Won 2-1 | +181536 |
| 5standard | 200 | Nakamura, Shuhei (2039) | Lost 0-2 | -91527 |
| 6standard | 306 | Johnson, Koran (1571) | Won 2-1 | +181545 |
| 7standard | 271 | Balakrishnan, Vasu (1536) | Lost 0-2 | -181527 |
| 8standard | 241 | Pawelzik, Gery (1498) | Won 2-0 | +181545 |
| average opponent: 1579record: 5-3 | new rating: 1545 | |||
| Grand Prix Washington DC 2010 (ROE standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 35 | Buchanan, Carl (1500) | Lost 1-2 | -181482 |
| 2standard | 295 | Schneider, Jeremy (1500) | Won 2-0 | +181500 |
| 3standard | 341 | Doyle, Patrick (1501) | Won 2-0 | +181518 |
| 4standard | 129 | Sailer, Jean-Paul (1518) | Lost 1-2 | -181500 |
| 5standard | 225 | Gareau, Philippe (1490) | Won 2-1 | +181518 |
| 6standard | 251 | Stewart, Jeffrey J (1523) | Lost 0-2 | -181500 |
| average opponent: 1505record: 3-3 | new rating: 1500 | |||