Castro, Tiago
Current rating: 1498
Record: 4-4
| Grand Prix Atlanta 2018 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 300 | Gribbins, Edward (1586) | Won 2-0 | +201520 |
| 2modern | 82 | Cohen, Brent (1519) | Lost 1-2 | -181502 |
| 3modern | 507 | Solomon, Seth (1499) | Lost 1-2 | -181484 |
| 4modern | 643 | Tyler, Ronnie (1482) | Lost 0-2 | -191465 |
| 5modern | 662 | Hundley, Jacob (1463) | Won 2-0 | +181483 |
| 6modern | 488 | Prickett, Tim (1387) | Won 2-1 | +171500 |
| 7modern | 395 | Strunk, Josh (1507) | Won 2-0 | +181518 |
| 8modern | 296 | Ellenberger, Jarrod (1441) | Lost 1-2 | -201498 |
| average opponent: 1486record: 4-4 | new rating: 1498 | |||