Carroll, Matthew
Current rating: 1429
| Grand Prix Memphis 2015 (FRF standard) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 296 | Hamilton, Alexander (1605) | Lost 0-2 | -161465 |
| 2standard | 308 | Johnson, Shawn (1482) | Lost 1-2 | -181447 |
| 3standard | 453 | Roark, Ryan (1464) | Lost 1-2 | -181429 |
| top | average opponent: 1517record: 0-3 | new rating: 1429 | ||
| Grand Prix San Antonio 2014 (KTK standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 405 | Peters, William (1500) | Lost 0-2 | -181482 |
| 2standard | 363 | Vanaerde, Sigourney (1482) | Won 2-0 | +181500 |
| 3standard | 335 | Gonzalez, Victor (1499) | Lost 1-2 | -181482 |
| 4standard | 410 | Reckart, Joshua (1482) | Won 2-0 | +181500 |
| 5standard | 319 | Morrow, Joshua (1432) | Lost 1-2 | -191481 |
| top | average opponent: 1479record: 2-3 | new rating: 1481 | ||
| Grand Prix Atlanta 2014 (JOU limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 588 | Gillespie, Joseph (1478) | Lost 1-2 | -181482 |
| 2sealed | 532 | Atayev, Ali (1482) | Won 2-0 | +181500 |
| 3sealed | 486 | Fyfe, Max (1533) | Lost 0-2 | -181482 |
| 4sealed | 715 | Rickman, Edward (1466) | Won 2-0 | +181500 |
| 5sealed | 618 | Houwing, Angela (1483) | Won 2-0 | +181518 |
| 6sealed | 426 | Young, Levi (1524) | Lost 0-2 | -181500 |
| top | average opponent: 1494record: 3-3 | new rating: 1500 | ||