Warren, Chad
Current rating: 1422
Record: 4-9
| Grand Prix Portland 2018 (modern) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 254 | Fenner, Elijah (1445) | Won 2-0 | +181464 |
| 2modern | 364 | Nichols, Marc (1516) | Won 2-0 | +191483 |
| 3modern | 8 | Munoz, Richard (1468) | Won 2-1 | +181501 |
| 4modern | 18 | Deng, Dezhong (1588) | Lost 0-2 | -171484 |
| 5modern | 224 | Carson, Dawson (1685) | Lost 0-2 | -141470 |
| 6modern | 332 | Iwamoto, Ryan (1521) | Lost 0-2 | -171453 |
| 7modern | 473 | Grant, Bradford (1736) | Lost 1-2 | -131440 |
| 8modern | 405 | Lohouse, Justin (1430) | Lost 0-2 | -181422 |
| average opponent: 1548record: 3-5 | new rating: 1422 | |||
| Grand Prix Houston 2002 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 15 | Menzer, Tj (1500) | Won 2-1 | +181518 |
| 2extended | 32 | Benavidez, Daniel (1518) | Lost 0-2 | -181500 |
| 3extended | 85 | Brinkman, William (1501) | Lost 0-2 | -181482 |
| 4extended | 115 | elvey, richard (1482) | Lost 0-2 | -181464 |
| 5extended | 107 | Haber, Jason (1463) | Lost 0-2 | -181446 |
| average opponent: 1493record: 1-4 | new rating: 1446 | |||