Gierst, Dustin V
Current rating: 1445
| Grand Prix Houston 2013 (DGM limited) | starting rating: 1438 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 319 | Sommerfeld, Daniel (1486) | Lost 0-2 | -171421 |
| 2sealed | 345 | Nguyen, Jack (1393) | Won 2-0 | +181439 |
| 3sealed | 320 | Turner, Peter (1561) | Won 2-1 | +201459 |
| 4sealed | 293 | Kunning, Lauryn (1496) | Won 2-1 | +191478 |
| 5sealed | 120 | Puchot, Alan (1637) | Lost 0-2 | -161462 |
| 6sealed | 159 | Chen, David [USA] (1520) | Lost 1-2 | -171445 |
| top | average opponent: 1515record: 3-3 | new rating: 1445 | ||
| Grand Prix Vancouver 2012 (AVR limited) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 16 | Bittner, Ed B (1553) | Lost 0-2 | -171464 |
| 5sealed | 117 | Paquette, Aeo (1989) | Lost 1-2 | -91455 |
| 6sealed | 202 | Slone, Ted (1535) | Lost 0-2 | -171438 |
| top | average opponent: 1692record: 0-3 | new rating: 1438 | ||
| Grand Prix Anaheim 2012 (Innistrad block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 151 | Sims, Jamal (1500) | Won 2-1 | +181518 |
| 2block | 60 | Wilkinson, Robert (1518) | Won 2-1 | +181536 |
| 3block | 161 | Wong, Gary (1493) | Lost 0-2 | -191517 |
| 4block | 190 | Nonenmacher, Travis (1388) | Won 2-1 | +161533 |
| 5block | 116 | De La Torre, Bryan (1606) | Lost 0-2 | -171516 |
| 6block | 217 | Matute, Gustavo (1521) | Lost 0-2 | -181498 |
| 7block | 239 | Saffell, Ryan (1500) | Won 2-0 | +181516 |
| 8block | 190 | McClure, Blake (1538) | Lost 0-2 | -171499 |
| 9block | 196 | Solis, Carlos (1501) | Lost 0-2 | -181481 |
| top | average opponent: 1507record: 4-5 | new rating: 1481 | ||