Castillo, Ivan
Current rating: 1500
Record: 4-4
| Grand Prix Las Vegas 2017 (modern) (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 329 | Dubois, Seth (1410) | Lost 0-2 | -201480 |
| 2modern | 1047 | Zhang, Chenyi (1468) | Won 2-1 | +181498 |
| 3modern | 1113 | Ruff, Katelynn (1500) | Won 2-0 | +181516 |
| 4modern | 835 | Pawluszek, Juan (1524) | Won 2-0 | +181534 |
| 5modern | 686 | Poglodzinski, John (1513) | Lost 0-2 | -181516 |
| 6modern | 760 | Kho, Richard (1636) | Won 2-1 | +201536 |
| 7modern | 435 | Van Wyk, Cornelius (1491) | Lost 0-2 | -191517 |
| 8modern | 635 | Yu, Puyan (1574) | Lost 0-2 | -171500 |
| average opponent: 1515record: 4-4 | new rating: 1500 | |||