Mathews, Cody
Current rating: 1536
Record: 5-3
| Grand Prix Sacramento 2018 (M19 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 104 | Goozey, Sean (1500) | Won 2-1 | +181518 |
| 2sealed | 132 | Lee, John 413 (1466) | Lost 1-2 | -191499 |
| 3sealed | 414 | Polante, Edmhar (1501) | Won 2-0 | +181517 |
| 4sealed | 296 | Linder, Jerry (1459) | Won 2-1 | +171534 |
| 5sealed | 103 | James, Nate (1546) | Lost 0-2 | -181516 |
| 6sealed | 251 | Trowbridge, Branden (1688) | Won 2-0 | +211537 |
| 7sealed | 137 | Wang, John (1608) | Won 2-1 | +201557 |
| 8sealed | 165 | Laforge, Adam (1396) | Lost 0-2 | -211536 |
| average opponent: 1520record: 5-3 | new rating: 1536 | |||