Castro, Andrew
Current rating: 1496
Record: 9-10
| Grand Prix Las Vegas 2018 (modern) (modern) | starting rating: 1498 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 577 | Alonzo Gomez, Alejandro (1500) | Won 2-0 | +181516 |
| 2modern | 433 | Woodson, Wyatt (1447) | Lost 0-2 | -201496 |
| top | average opponent: 1473record: 1-1 | new rating: 1496 | ||
| Grand Prix Los Angeles 2014 (KTK standard) | starting rating: 1533 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 468 | Horspool, Tyler (1500) | Lost 0-2 | -191514 |
| 2standard | 610 | Rosenblum, James (1670) | Lost 0-2 | -151499 |
| 3standard | 780 | Gao, Lingxiao (1463) | Won 2-0 | +171516 |
| 4standard | 702 | Boncher, Andrew (1482) | Lost 0-2 | -181498 |
| top | average opponent: 1529record: 1-3 | new rating: 1498 | ||
| Grand Prix San Diego 2013 (modern) | starting rating: 1469 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 52 | Vanzant, Jason (1500) | Won 2-0 | +181487 |
| 2modern | 2 | Cristos, Dustin (1553) | Lost 1-2 | -171470 |
| 3modern | 258 | Watkins, Steven (1670) | Won 2-1 | +221492 |
| 4modern | 30 | Freeman, Gregory P (1517) | Won 2-1 | +181510 |
| 5modern | 128 | Tang, Jeffery (1505) | Lost 0-2 | -181492 |
| 6modern | 212 | Sands, Justin (1465) | Won 2-1 | +181510 |
| 7modern | 100 | Sanchez, Martin (1542) | Lost 1-2 | -181492 |
| 8modern | 140 | Nettles, Logan (1745) | Won 2-0 | +231515 |
| 9modern | 96 | Van Druten, John (1500) | Won 2-0 | +181533 |
| top | average opponent: 1555record: 6-3 | new rating: 1533 | ||
| Grand Prix San Diego 2011 (ISD limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 531 | Fernandez, Ryan (1500) | Won 2-1 | +181518 |
| 2sealed | 451 | Brumby, Gene (1764) | Lost 1-2 | -141504 |
| 3sealed | 564 | Ahmed, Konan (1434) | Lost 0-2 | -191485 |
| 4sealed | 608 | Loya, Juan (1571) | Lost 0-2 | -161469 |
| top | average opponent: 1567record: 1-3 | new rating: 1469 | ||