Castillo, Mario
Current rating: 1582
Record: 12-8
| Grand Prix Las Vegas 2018 (modern) (modern) | starting rating: 1605 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 573 | Marino, Ryan (1508) | Lost 1-2 | -201585 |
| 2modern | 945 | Hill, Zachary (1450) | Won 2-1 | +161601 |
| 4modern | 423 | Ward, Brenden (1633) | Won 2-1 | +191620 |
| 5modern | 303 | Miller, William (1685) | Lost 0-2 | -171603 |
| 6modern | 614 | Lewis, Scott (1456) | Lost 1-2 | -211582 |
| average opponent: 1546record: 2-3 | new rating: 1582 | |||
| Grand Prix Las Vegas 2017 (modern) (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 865 | Cranfill, Drew (1598) | Lost 0-2 | -161484 |
| 2modern | 890 | Myers, Jim (1465) | Won 2-1 | +171501 |
| 3modern | 1074 | Torres, Johnny (1531) | Lost 0-2 | -171484 |
| 4modern | 1099 | Adkins, Christopher (1486) | Won 2-0 | +181502 |
| 5modern | 1110 | Withers, Matthew (1407) | Won 2-1 | +161518 |
| 6modern | 521 | Bachicha, Lane (1432) | Won 2-0 | +171535 |
| 7modern | 655 | Curran, Ben (1629) | Lost 0-2 | -171518 |
| 8modern | 788 | Stancik, Jack (1523) | Won 2-0 | +191537 |
| 9modern | 347 | Etters, Tyler (1505) | Won 2-1 | +171554 |
| 10modern | 254 | Moe, Austin (1557) | Won 2-1 | +181572 |
| 11modern | 318 | Patel, Kayure (1688) | Won 2-1 | +201592 |
| 12modern | 217 | Bell, Matthew (1582) | Won 2-1 | +181610 |
| 13modern | 85 | Orlowsky, Evan (1631) | Won 2-1 | +181628 |
| 14modern | 75 | Tse, Felix (2106) | Lost 0-2 | -101618 |
| 15modern | 155 | Anghelescu, Jonathan (1885) | Lost 0-2 | -131605 |
| average opponent: 1602record: 10-5 | new rating: 1605 | |||