Herberg, Trevor W
Current rating: 1472
Record: 2-4
| Grand Prix Nashville 2012 (DKA limited) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 112 | Mink, James (1585) | Won 2-0 | +211486 |
| 2sealed | 189 | Killough, Jedadiah (1418) | Lost 0-2 | -201466 |
| 3sealed | 363 | Bates, John (1452) | Won 2-0 | +181484 |
| 4sealed | 326 | Fennell, Christopher (1841) | Lost 0-2 | -121472 |
| average opponent: 1574record: 2-2 | new rating: 1472 | |||
| Grand Prix Tampa 2009 (ZEN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 69 | Werner, Nicholas (1564) | Lost 0-2 | -171483 |
| 3sealed | 291 | Spoto, Peter (1498) | Lost 0-2 | -181465 |
| average opponent: 1531record: 0-2 | new rating: 1465 | |||