Butterfield, Matthew
Current rating: 1435
Record: 9-13
| Grand Prix Las Vegas 2019 (modern) (modern) | starting rating: 1472 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 483 | Porter, Nicholas (1503) | Won 2-0 | +191491 |
| 2modern | 357 | Scott, Dan (1546) | Lost 1-2 | -171474 |
| 3modern | 448 | Meadors, Dan (1400) | Lost 1-2 | -201454 |
| 4modern | 683 | Choi, Francis (1406) | Lost 1-2 | -191435 |
| top | average opponent: 1464record: 1-3 | new rating: 1435 | ||
| Grand Prix Oakland 2019 (modern) | starting rating: 1488 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 236 | Traut, Brent (1571) | Lost 1-2 | -161472 |
| 2modern | 387 | McKee, Nicholas (1486) | Won 2-0 | +181490 |
| 3modern | 405 | Mitchell, Michael (1499) | Won 2-0 | +181508 |
| 4modern | 181 | Yanyuk, Andrey (1578) | Lost 0-2 | -171491 |
| 5modern | 407 | Griffin, Kyle (1415) | Lost 0-2 | -191472 |
| top | average opponent: 1510record: 2-3 | new rating: 1472 | ||
| Grand Prix Las Vegas 2018 (modern) (modern) | starting rating: 1501 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 125 | Wilson, Colorado (1500) | Won 2-0 | +181519 |
| 2modern | 60 | Chu, Kevin (1743) | Lost 0-2 | -141505 |
| 4modern | 299 | Snapp, Nicholas (1540) | Won 2-0 | +191524 |
| 5modern | 310 | Cantu, Joe (1573) | Lost 1-2 | -181506 |
| 6modern | 358 | Galloway, Warren (1489) | Lost 0-2 | -181488 |
| top | average opponent: 1569record: 2-3 | new rating: 1488 | ||
| Grand Prix Las Vegas 2017 (modern) (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 138 | Bruggman, Beaux (1589) | Lost 1-2 | -161484 |
| 2modern | 2145 | Ballinger, Bradley (1458) | Won 2-1 | +171501 |
| 3modern | 1014 | Romero, Joseph (1461) | Won 2-1 | +171518 |
| 4modern | 856 | Rowan, Ellis (1531) | Lost 1-2 | -171501 |
| 5modern | 1046 | Jansen, Morgan (1419) | Won 2-1 | +161517 |
| 6modern | 701 | Watts, Andrew (1637) | Lost 0-2 | -161501 |
| 7modern | 969 | Jones, Cody (1511) | Won 2-0 | +191520 |
| 8modern | 720 | Dodd, Robert (1485) | Lost 0-2 | -191501 |
| top | average opponent: 1511record: 4-4 | new rating: 1501 | ||