Guymon, James
Current rating: 1540
Record: 5-3
| Grand Prix Las Vegas 2019 (modern) (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 345 | Rucker, Jonathan (1500) | Lost 0-2 | -181482 |
| 2modern | 657 | Mount, Isaiah (1481) | Won 2-0 | +181500 |
| 3modern | 680 | Dweck, Morris (1499) | Won 2-1 | +181518 |
| 4modern | 431 | Donovan, Tate (1693) | Won 2-0 | +211539 |
| 5modern | 268 | Sarkissian, Serge (1582) | Lost 0-2 | -171522 |
| 6modern | 469 | Farenzena, Alisa (1483) | Won 2-0 | +171539 |
| 7modern | 331 | Small, Matthew (1588) | Won 2-1 | +191558 |
| 8modern | 1186 | Broomhall, Jerry (1561) | Lost 0-2 | -181540 |
| average opponent: 1548record: 5-3 | new rating: 1540 | |||