Vinson, Gregory
Current rating: 1493
| Grand Prix Richmond 2014 (modern) | starting rating: 1428 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 204 | Algood, Christian (1500) | Won 2-0 | +201448 |
| 2modern | 53 | Cook, Dane (1518) | Won 2-1 | +191467 |
| 3modern | 111 | Stromberg, Noah (1429) | Won 2-1 | +171484 |
| 4modern | 29 | Taylor, Dennis (1577) | Lost 0-2 | -161468 |
| 5modern | 95 | Bilotto, Robert (1622) | Won 2-0 | +211489 |
| 6modern | 139 | Ponder, Rodolfo (1533) | Lost 0-2 | -181471 |
| 7modern | 188 | Warren, Edward (1547) | Won 2-1 | +201491 |
| 8modern | 125 | Weiss, Mark (1557) | Won 2-1 | +191510 |
| 9modern | 65 | Nguyen, Linh (1569) | Lost 1-2 | -171493 |
| top | average opponent: 1539record: 6-3 | new rating: 1493 | ||
| Grand Prix Charleston 2012 (RTR standard) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 176 | Wood, Joseph (1464) | Lost 0-0 | -181445 |
| 2standard | 177 | Spano, Greggory (1497) | Lost 0-2 | -171428 |
| 3standard | 255 | McConnell, Michael B (1465) | Won 2-1 | +191447 |
| 4standard | 276 | Short, Jason (1405) | Lost 0-2 | -191428 |
| top | average opponent: 1458record: 1-3 | new rating: 1428 | ||
| Grand Prix Baltimore 2012 (DKA standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 13 | Kurth, Lloyd (1465) | Lost 1-2 | -191481 |
| 2standard | 526 | Ziare, Brandon (1480) | Lost 0-2 | -181463 |
| 3standard | 85 | Sweeney, Michael s (1464) | Won 2-0 | +181481 |
| 4standard | 571 | Benjamin, Kyle (1482) | Lost 0-2 | -181463 |
| top | average opponent: 1473record: 1-3 | new rating: 1463 | ||