Peachey, Benjamin
Current rating: 1540
Record: 9-7
| Grand Prix Portland 2018 (modern) | starting rating: 1507 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 521 | Serifsoy, Atesh (1500) | Lost 0-2 | -181489 |
| 2modern | 708 | Bell, Brian (1460) | Won 2-0 | +171506 |
| 3modern | 514 | Nguyen, Johny (1468) | Won 2-1 | +181524 |
| 4modern | 251 | Bradford, William (1490) | Lost 1-2 | -191505 |
| 5modern | 447 | Avery, Judah (1462) | Won 2-1 | +171522 |
| 6modern | 414 | Boston, Steven (1587) | Won 2-0 | +191541 |
| 7modern | 225 | Spriggs, Weston (1535) | Won 2-1 | +181559 |
| 8modern | 172 | Ouellette, John (1503) | Lost 1-2 | -191540 |
| average opponent: 1501record: 5-3 | new rating: 1540 | |||
| Grand Prix Sacramento 2018 (M19 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 22 | Stinson, Dexten (1500) | Lost 1-2 | -181482 |
| 2sealed | 401 | Choi, Jihoon (1510) | Won 2-0 | +191501 |
| 3sealed | 438 | Gaitonde, Gaurav (1547) | Won 2-0 | +181519 |
| 4sealed | 332 | Liu, Eric (1627) | Won 2-1 | +201539 |
| 5sealed | 73 | Sage, Nathan (1515) | Won 2-1 | +181557 |
| 6sealed | 47 | Havas, Chad (1555) | Lost 1-2 | -181539 |
| 7sealed | 113 | Dolan, Brian (1605) | Lost 0-2 | -171522 |
| 8sealed | 202 | Laine, Fabien (1681) | Lost 1-2 | -151507 |
| average opponent: 1568record: 4-4 | new rating: 1507 | |||