O'Brien, Christian
Current rating: 1480
Record: 2-3
| Grand Prix Oakland 2019 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 296 | Miyazaki, Keo (1467) | Won 2-0 | +171517 |
| 2modern | 263 | Cemo, Adam (1517) | Lost 1-2 | -181499 |
| 3modern | 240 | Cade, Quan (1471) | Lost 0-2 | -181481 |
| 4modern | 490 | Hemphill, Jeff (1466) | Lost 1-2 | -181463 |
| 5modern | 448 | Schoonover, Jacob (1416) | Won 2-0 | +171480 |
| average opponent: 1467record: 2-3 | new rating: 1480 | |||