Pifer, Brian
Current rating: 1517
Record: 9-9
| Grand Prix Sacramento 2018 (M19 limited) | starting rating: 1504 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 328 | Szabo, George (1610) | Won 2-1 | +201524 |
| 2sealed | 34 | Hollis, Jamey (1629) | Won 2-1 | +191543 |
| 4sealed | 21 | Sanchez, Cristian [CHL] (1704) | Lost 1-2 | -151528 |
| 5sealed | 192 | Moore, Scott (1540) | Won 2-1 | +191547 |
| 6sealed | 140 | McIndoe, Robert (1632) | Won 2-0 | +191566 |
| 7sealed | 25 | Garrison, Christopher (1564) | Won 2-0 | +181584 |
| 8sealed | 26 | Haimes, Max (1582) | Lost 0-2 | -181566 |
| 9sealed | 62 | Rodrigues, Dante (1520) | Lost 1-2 | -191547 |
| 10draft | 49 | Bolding, Hunter (1648) | Lost 1-2 | -161531 |
| 11draft | 45 | White, Logan (1758) | Lost 1-2 | -141517 |
| average opponent: 1619record: 5-5 | new rating: 1517 | |||
| Grand Prix San Jose 2017 (AER limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 514 | Wang, Karen (1500) | Won 2-1 | +181518 |
| 2sealed | 188 | Tan, Jowie (1561) | Lost 1-2 | -171501 |
| 3sealed | 756 | Tai, Ben Yan Hao (1622) | Lost 1-2 | -161485 |
| 4sealed | 707 | Pepper, Lindsay (1440) | Won 2-0 | +171502 |
| 5sealed | 641 | Harski, Kevin (1501) | Won 2-1 | +181520 |
| 6sealed | 447 | Wion, Mark (1461) | Lost 0-2 | -191501 |
| 7sealed | 472 | Cat, Doctor (1587) | Won 2-1 | +201521 |
| 8sealed | 460 | Wiesenberg, Joseph (1572) | Lost 0-2 | -171504 |
| average opponent: 1531record: 4-4 | new rating: 1504 | |||