Haldeman, James
Current rating: 1528
Record: 8-7
| Grand Prix Oakland 2019 (modern) | starting rating: 1528 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 336 | Calderon, Andrew8811 (1442) | Won 2-0 | +171545 |
| 2modern | 210 | Harper, Travis (1656) | Lost 1-2 | -161529 |
| 3modern | 324 | Flautz, Ronald (1499) | Won 2-1 | +171546 |
| 4modern | 182 | Loukopoulos, Christopher (1485) | Lost 0-2 | -191527 |
| 5modern | 409 | Song, Kai (1625) | Won 2-1 | +201547 |
| 6modern | 271 | Adachi, Hayden (1522) | Lost 0-2 | -191528 |
| average opponent: 1538record: 3-3 | new rating: 1528 | |||
| Grand Prix San Jose 2017 (AER limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 475 | Zhang, John (1480) | Lost 0-2 | -181482 |
| 2sealed | 690 | Wright, Daniel (1407) | Won 2-0 | +161498 |
| 3sealed | 480 | Ellis, Christopher (1515) | Won 2-0 | +191517 |
| 4sealed | 393 | Peternell, Nick (1880) | Lost 0-2 | -121505 |
| 5sealed | 640 | Humphrey, Elliott (1503) | Lost 0-2 | -181487 |
| 6sealed | 705 | Walters, Noah (1537) | Won 2-1 | +191506 |
| 7sealed | 527 | Jennings, Matt (1477) | Won 2-1 | +171523 |
| 8sealed | 314 | Huang, Jason (1716) | Won 2-1 | +221545 |
| 9sealed | 346 | Xing, Tinac (1633) | Lost 1-2 | -171528 |
| average opponent: 1572record: 5-4 | new rating: 1528 | |||