Vermillion, Cory
Current rating: 1543
Record: 19-15-2
| Grand Prix Columbus 2019 (modern) | starting rating: 1585 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 157 | McCready, Robert (1486) | Lost 0-2 | -201565 |
| 2modern | 211 | Sarosy, Adam (1476) | Lost 0-2 | -191546 |
| 3modern | 307 | Idoni, Jacob (1468) | Won 2-1 | +161562 |
| 4modern | 257 | Zeglen, Christopher (1477) | Lost 0-2 | -191543 |
| top | average opponent: 1477record: 1-3 | new rating: 1543 | ||
| Grand Prix Detroit 2016 (modern) | starting rating: 1597 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 256 | Brown, Jonathan (1442) | Draw 0-0 | -31594 |
| 2modern | 615 | Liberman, Michael (1596) | Won 2-0 | +181612 |
| 3modern | 511 | Tugman, Miles (1506) | Won 2-0 | +161628 |
| 4modern | 285 | Topping, Benjamin (1576) | Lost 1-2 | -191609 |
| 5modern | 518 | Bodoh, Connar (1536) | Won 2-0 | +171626 |
| 6modern | 350 | Cortez, Nicholas (1563) | Lost 0-2 | -201606 |
| 7modern | 527 | Zurek, Matthew (1519) | Won 2-0 | +171623 |
| 8modern | 367 | Smigiel, Nicholas (1557) | Lost 0-2 | -191604 |
| 9modern | 505 | Snyder, Asa (1577) | Lost 0-2 | -191585 |
| top | average opponent: 1541record: 4-4-1 | new rating: 1585 | ||
| Grand Prix Cleveland 2015 (FRF limited) | starting rating: 1584 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 482 | Mastrantoni, Joseph (1500) | Won 2-1 | +171601 |
| 2sealed | 42 | McDonald, Justin (1518) | Lost 0-2 | -201581 |
| 3sealed | 478 | Iannelli, Jeramie (1467) | Won 2-1 | +161597 |
| 4sealed | 458 | Austen-Smith, Luke (1517) | Lost 1-2 | -191578 |
| 5sealed | 635 | Burton, Dejae (1499) | Won 2-1 | +161594 |
| 6sealed | 312 | Renner, Chris (1365) | Won 2-1 | +141608 |
| 7sealed | 357 | Wescoe, Craig (1974) | Lost 0-2 | -111597 |
| top | average opponent: 1549record: 4-3 | new rating: 1597 | ||
| Grand Prix Cincinnati 2014 (BNG standard) | starting rating: 1516 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 562 | Lowe, Ryan (1500) | Won 2-1 | +181534 |
| 2standard | 331 | Fazulak, Ryan (1518) | Draw 1-1 | -11533 |
| 3standard | 314 | Wendling, Andrew (1524) | Lost 0-2 | -181515 |
| 4standard | 530 | Cozby, Doug (1478) | Won 2-0 | +171532 |
| 5standard | 345 | Gaskins, Justin (1518) | Lost 1-2 | -181514 |
| 6standard | 481 | Rewald, Jake (1501) | Won 2-0 | +181532 |
| 7standard | 345 | Levey, Dallas (1518) | Won 2-0 | +181550 |
| 8standard | 242 | Young, Michael (1486) | Won 2-1 | +161566 |
| 9standard | 159 | Henry, Jonathan (1554) | Won 2-0 | +181584 |
| top | average opponent: 1511record: 6-2-1 | new rating: 1584 | ||
| Grand Prix Columbus 2012 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 47 | Elliott, Kenneth (1500) | Won 2-1 | +181518 |
| 2modern | 104 | Wyatt, Phil (1452) | Won 2-0 | +171535 |
| 3modern | 14 | Tellis, Adam (1491) | Lost 1-2 | -191516 |
| 4modern | 268 | Ball, Justin M (1492) | Lost 0-2 | -181498 |
| 5modern | 368 | Scherf, Anthony (1497) | Lost 0-2 | -181480 |
| 6modern | 347 | Klice, Jason C (1482) | Won 2-0 | +181498 |
| 7modern | 294 | Ellsworth, Owen (1508) | Won 2-0 | +181516 |
| top | average opponent: 1489record: 4-3 | new rating: 1516 | ||