Hebertson, Geoff
Current rating: 1453
| Grand Prix Albuquerque 2013 (THS standard) | starting rating: 1442 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 112 | Salter, Michael (1520) | Won 2-1 | +201462 |
| 3standard | 271 | Shoemaker, Will (1565) | Lost 0-2 | -161446 |
| 4standard | 241 | Vigil, Daniel (1567) | Won 2-1 | +201466 |
| 5standard | 278 | Bonham, Nicholas (1545) | Lost 1-2 | -171449 |
| 6standard | 329 | Duggan, Matthew [USA] (1586) | Won 2-0 | +211470 |
| 7standard | 223 | Severs, Shane (1549) | Lost 1-2 | -171453 |
| top | average opponent: 1555record: 3-3 | new rating: 1453 | ||
| Grand Prix Oklahoma City 2013 (THS limited) | starting rating: 1429 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 129 | Mlinac, Chris (1403) | Won 2-0 | +181447 |
| 3sealed | 165 | Wiznitzer, Aryeh (1562) | Won 2-1 | +201467 |
| 4sealed | 223 | Dorsett, Zachariah (1631) | Lost 0-2 | -151452 |
| 5sealed | 188 | Kudva, Vikram (1451) | Lost 0-2 | -181434 |
| 6sealed | 379 | Branum, Joshua (1424) | Won 2-0 | +181452 |
| 7sealed | 245 | Dennis, Matthew (1707) | Won 2-0 | +221474 |
| 8sealed | 165 | Connell, Zoe (1627) | Lost 0-2 | -151459 |
| 9sealed | 224 | Vidricksen, Jeffrey (1541) | Lost 0-2 | -171442 |
| top | average opponent: 1543record: 4-4 | new rating: 1442 | ||
| Grand Prix Houston 2013 (DGM limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 175 | Pavliny, Samuel (1501) | Lost 1-2 | -181482 |
| 3sealed | 258 | Sepulveda, Casey (1432) | Lost 1-2 | -191463 |
| 4sealed | 342 | Holtz, Katrina (1483) | Lost 1-2 | -181445 |
| 5sealed | 335 | Herren, Jason (1544) | Lost 0-2 | -161429 |
| top | average opponent: 1490record: 0-4 | new rating: 1429 | ||