Harper, James
Current rating: 1580
Record: 21-18
| Grand Prix Pittsburgh 2016 (SOI standard) | starting rating: 1518 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 193 | Heredia, Angell (1516) | Won 2-0 | +181536 |
| 2standard | 1 | McConnell II, Esker (1306) | Won 2-1 | +141550 |
| 3standard | 325 | Johnson, Eric S (1500) | Lost 0-2 | -191531 |
| 4standard | 362 | Corbin, Julia (1418) | Won 2-0 | +161547 |
| 5standard | 171 | Burham, Michael (1571) | Won 2-1 | +181565 |
| 6standard | 113 | Rosum, Jonathan (1635) | Won 2-0 | +191584 |
| 7standard | 64 | McClenaghan, David (1723) | Lost 1-2 | -151569 |
| 8standard | 107 | Cullum, Travis (1688) | Lost 1-2 | -161553 |
| 9standard | 255 | Todd, Nicholas (1548) | Won 2-1 | +181571 |
| 10standard | 409 | Walsh, Brennan (1691) | Won 2-0 | +201591 |
| 11standard | 339 | Solave, Ryan (1617) | Won 2-0 | +191610 |
| 12standard | 320 | Cook, Anthony (1703) | Lost 1-2 | -171593 |
| 13standard | 372 | Wu, Timothy (1845) | Lost 0-2 | -131580 |
| top | average opponent: 1597record: 8-5 | new rating: 1580 | ||
| Grand Prix Detroit 2016 (modern) | starting rating: 1516 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 356 | Vanderkooy, Philip (1500) | Won 2-0 | +181534 |
| 2modern | 529 | Richer, Charles (1496) | Won 2-0 | +171551 |
| 3modern | 88 | Clock, Kevin (1640) | Lost 0-2 | -161535 |
| 4modern | 572 | Alley, Steve (1520) | Won 2-1 | +181553 |
| 5modern | 242 | Kordis, Matthew (1649) | Lost 0-2 | -171536 |
| 6modern | 393 | Underwood, Travis (1501) | Lost 1-2 | -181518 |
| top | average opponent: 1551record: 3-3 | new rating: 1518 | ||
| Grand Prix Madison 2015 (BFZ limited) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 38 | Martinez, Julian (1662) | Lost 1-2 | -141469 |
| 2sealed | 530 | Kuhn, Thomas (1482) | Won 2-1 | +181487 |
| 3sealed | 396 | Pehlke, John (1440) | Won 2-0 | +171504 |
| 4sealed | 215 | Van Ausdal, Matthew (1518) | Won 2-1 | +181522 |
| 5sealed | 188 | Austin, Zachary (1594) | Lost 1-2 | -161506 |
| 6sealed | 385 | Dittmann, Aaron (1524) | Won 2-1 | +181524 |
| 7sealed | 156 | Ledo, Alex (1550) | Won 2-0 | +181542 |
| 8sealed | 114 | Epstein, Justin (1459) | Won 2-1 | +171559 |
| 9sealed | 84 | Ranallo, Tony (1693) | Won 2-0 | +201579 |
| 10draft | 26 | Zeng, Yi (1697) | Lost 0-2 | -161563 |
| 11draft | 26 | Lacey, Scott (1564) | Lost 1-2 | -181545 |
| 13draft | 24 | Lacey, Scott (1564) | Lost 1-2 | -171528 |
| 14draft | 45 | Liu, Yuchen (1900) | Lost 0-2 | -121516 |
| top | average opponent: 1588record: 7-6 | new rating: 1516 | ||
| Grand Prix Portland 2010 (M11 limited) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 378 | Smith, Benjamin (1500) | Lost 0-2 | -181464 |
| 2sealed | 530 | Graf, Amy (1482) | Won 2-0 | +191483 |
| 3sealed | 458 | Gerner, Jim (1500) | Won 2-0 | +181501 |
| 4sealed | 247 | Foshaug, Aaron (1520) | Lost 0-2 | -181483 |
| top | average opponent: 1500record: 2-2 | new rating: 1483 | ||
| Grand Prix Los Angeles 2002 (ONS rochester) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 52 | Isaacs, Jason (1500) | Lost 0-2 | -181482 |
| 2sealed | 171 | Gleason, Marc (1482) | Won 2-0 | +181500 |
| 3sealed | 89 | Holmes, Adam (1503) | Lost 0-2 | -181482 |
| top | average opponent: 1495record: 1-2 | new rating: 1482 | ||