Butterfield, Robert
Current rating: 1459
Record: 2-4
| Grand Prix Las Vegas 2019 (modern) (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 542 | Norton, Andrew (1487) | Won 2-0 | +181518 |
| 2modern | 14 | Wendorf, Eric (1417) | Won 2-0 | +161534 |
| 3modern | 174 | Kelley, Fred (1391) | Lost 0-2 | -211513 |
| 4modern | 248 | Vollmerhausen, Robert (1437) | Lost 0-2 | -191494 |
| 5modern | 544 | Fitzpatrick, Casey (1534) | Lost 1-2 | -171477 |
| 6modern | 569 | Cortez, Nestor (1486) | Lost 0-2 | -181459 |
| average opponent: 1459record: 2-4 | new rating: 1459 | |||