Valfer, Drake
Current rating: 1432
Record: 5-10
| Grand Prix Las Vegas 2018 (limited) (DOM limited) | starting rating: 1439 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 432 | Berkshire, Daniel (1466) | Won 2-1 | +181457 |
| 2sealed | 24 | Wiznitzer, Aryeh (1739) | Lost 0-2 | -131444 |
| 3sealed | 672 | Rosenblum, Wesley (1478) | Lost 0-2 | -171427 |
| 4sealed | 682 | VanDenburgh, Andrew (1489) | Won 2-1 | +191446 |
| 5sealed | 564 | Darlington, Thomas (1652) | Lost 0-2 | -141432 |
| top | average opponent: 1565record: 2-3 | new rating: 1432 | ||
| Grand Prix Las Vegas 2018 (modern) (modern) | starting rating: 1473 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 488 | Santos, Jorge (1569) | Lost 0-2 | -161457 |
| 2modern | 789 | Bacon, Teddy (1447) | Lost 0-2 | -181439 |
| top | average opponent: 1508record: 0-2 | new rating: 1439 | ||
| Grand Prix New Jersey 2017 (std) (AER standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 233 | Weaver, Luke (1637) | Won 2-0 | +201520 |
| 2standard | 258 | Rubin, Jonathan (1771) | Lost 1-2 | -131507 |
| 3standard | 526 | Smith, Grant (1502) | Lost 0-2 | -181489 |
| 4standard | 675 | Duzdevich, Devin (1457) | Won 2-0 | +171506 |
| 5standard | 550 | Freeman Jr, Thomas (1507) | Won 2-0 | +181524 |
| 6standard | 386 | Betrix, Ryan (1605) | Lost 0-2 | -161508 |
| 7standard | 435 | Hodges, William (1532) | Lost 0-2 | -181490 |
| 8standard | 533 | Hatch, Benjamin (1547) | Lost 0-2 | -171473 |
| top | average opponent: 1570record: 3-5 | new rating: 1473 | ||