Keller, John
Current rating: 1503
Record: 3-3
| Grand Prix Las Vegas 2019 (modern) (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 422 | Gainey, Hayden (1540) | Won 2-0 | +191519 |
| 2modern | 314 | Duggan, Matthew [USA] (1594) | Lost 0-2 | -171502 |
| 3modern | 437 | Sisk, Tyler (1504) | Won 2-1 | +181520 |
| 4modern | 543 | Hall, Evan (1514) | Won 2-0 | +181538 |
| 5modern | 302 | Cudkowicz, Daniel (1511) | Lost 0-2 | -181520 |
| 6modern | 333 | Gillet, Jason (1590) | Lost 0-2 | -171503 |
| average opponent: 1542record: 3-3 | new rating: 1503 | |||