Warburton, James
Current rating: 1528
Record: 17-15-1
| Grand Prix Niagara Falls 2019 (legacy) | starting rating: 1524 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 216 | Cali, Rich (1698) | Lost 1-2 | -141510 |
| 2legacy | 299 | Packer, Michael (1446) | Won 2-1 | +161526 |
| 3legacy | 352 | Scott, Jordon (1536) | Lost 0-2 | -171509 |
| 4legacy | 411 | Emery, Darrin (1399) | Won 2-1 | +161525 |
| 5legacy | 242 | Boyer, Luc-Alexandre (1684) | Lost 1-2 | -161509 |
| 6legacy | 349 | Ostrander, Liam (1486) | Won 2-1 | +181527 |
| 7legacy | 237 | Walton, Christopher (1857) | Lost 1-2 | -121515 |
| 8legacy | 246 | Jorn, Tejan (1246) | Won 2-1 | +131528 |
| top | average opponent: 1544record: 4-4 | new rating: 1528 | ||
| Grand Prix Omaha 2015 (modern) | starting rating: 1570 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 107 | Hill, Vincent (1518) | Lost 0-2 | -191551 |
| 3modern | 392 | Hagel, Matt (1502) | Lost 0-2 | -191532 |
| 4modern | 408 | Collins, Steven (1472) | Lost 0-2 | -191513 |
| 5modern | 480 | Davlin, Jeremiah (1463) | Won 2-1 | +171530 |
| 6modern | 376 | Moon, Changuk (1478) | Won 2-0 | +171547 |
| 7modern | 281 | Brancamp, Aaron (1472) | Lost 0-2 | -201527 |
| 8modern | 241 | Rogers, Dillon (1400) | Won 2-0 | +161543 |
| 9modern | 199 | Wrona, Damon (1501) | Lost 0-2 | -191524 |
| top | average opponent: 1476record: 3-5 | new rating: 1524 | ||
| Grand Prix New Jersey 2014 (legacy) | starting rating: 1573 | |||
| round | table | opponent (rating) | result | Δrating |
| 2legacy | 801 | Bevenour, Matthew (1616) | Lost 1-2 | -171556 |
| 3legacy | 1247 | Wong, Kevin (1558) | Lost 0-2 | -181538 |
| 4legacy | 1230 | Medykiewicz, Chris (1483) | Lost 0-2 | -191519 |
| 5legacy | 1075 | Dery, Julien (1460) | Won 2-0 | +171536 |
| 6legacy | 961 | Davidoff, Nathan (1481) | Won 2-0 | +171553 |
| 7legacy | 898 | Lo, Shong (1602) | Lost 1-2 | -171536 |
| 8legacy | 832 | Ivie, Justin (1483) | Won 2-0 | +171553 |
| 9legacy | 754 | Armstrong, Wayne (1499) | Won 2-1 | +171570 |
| top | average opponent: 1523record: 4-4 | new rating: 1570 | ||
| Grand Prix Boston-Worcester 2014 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 1006 | Taylor, Ashley (1429) | Draw 1-1 | -11499 |
| 2modern | 991 | Soucy, Dillon (1483) | Won 2-1 | +171516 |
| 3modern | 934 | Leavitt, David (1674) | Won 2-1 | +211537 |
| 4modern | 837 | Cheng, Wei-hung (1534) | Won 2-0 | +181555 |
| 5modern | 764 | Neufeldt, Alexander (1696) | Lost 1-2 | -151540 |
| 6modern | 865 | Rohr, Josh (1503) | Won 2-1 | +171557 |
| 7modern | 790 | Archambault, Julien (1587) | Won 2-0 | +191576 |
| 8modern | 761 | Bianchi, Alex (1442) | Lost 0-2 | -211555 |
| 9modern | 813 | Capobianco, Savino (1537) | Won 2-0 | +181573 |
| top | average opponent: 1543record: 6-2-1 | new rating: 1573 | ||