Sampson, Bobby
Current rating: 1499
Record: 4-4
| Grand Prix Los Angeles 2019 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 98 | Kotow, Todd (1529) | Lost 0-2 | -171483 |
| 2modern | 484 | Harlow, Matthew (1493) | Won 2-0 | +181501 |
| 3modern | 432 | Macurda, Art (1599) | Lost 0-2 | -161485 |
| 4modern | 625 | Bentley, Ross (1399) | Lost 0-2 | -201465 |
| 5modern | 649 | Jaldon, Immanuel (1458) | Lost 1-2 | -181447 |
| 6modern | 568 | Bojorquez, Wilfredo (1361) | Won 2-1 | +161463 |
| 7modern | 461 | Reinprecht, Basti (1462) | Won 2-0 | +181481 |
| 8modern | 352 | Bailey, Adam (1479) | Won 2-0 | +181499 |
| average opponent: 1472record: 4-4 | new rating: 1499 | |||