Harmon, Seth
Current rating: 1388
Record: 3-10
| Grand Prix Las Vegas 2017 (modern) (modern) | starting rating: 1431 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 327 | Lippmann, Robert (1610) | Lost 0-2 | -151416 |
| 2modern | 671 | Yang, Jay (1487) | Lost 1-2 | -171399 |
| 3modern | 1492 | Carbary, Justin (1464) | Won 2-0 | +201419 |
| 4modern | 1179 | Easter, Justin (1506) | Won 2-1 | +191438 |
| 5modern | 1074 | Galizio, Santino (1458) | Lost 1-2 | -171421 |
| 6modern | 1160 | Skolnick, Andrew (1457) | Lost 0-2 | -181403 |
| 7modern | 1051 | Garcia, Eduardo (1572) | Won 2-1 | +211424 |
| 8modern | 890 | Stone, Tim (1441) | Lost 1-2 | -171407 |
| 9modern | 768 | Rizzo, Anthony (1373) | Lost 1-2 | -191388 |
| average opponent: 1485record: 3-6 | new rating: 1388 | |||
| Grand Prix Orlando 2017 (AER limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 732 | Meah, Joshua (1624) | Lost 1-2 | -161484 |
| 4sealed | 858 | Mondragon, Anakin (1449) | Lost 0-2 | -181466 |
| 5sealed | 950 | Webb, Anthony (1538) | Lost 0-2 | -171449 |
| 6sealed | 954 | Dezso, Curtis (1447) | Lost 0-2 | -181431 |
| average opponent: 1514record: 0-4 | new rating: 1431 | |||