Castillo, Nicholas
Current rating: 1433
| Grand Prix Denver 2017 (HOU standard) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 370 | Brown, Josh [AUS] (1383) | Lost 1-2 | -201445 |
| 2standard | 407 | Frangiosa, Richie (1647) | Lost 1-2 | -141431 |
| 3standard | 511 | Smith, Matthew (1541) | Lost 0-2 | -161415 |
| 4standard | 553 | Cyze, David (1501) | Won 2-0 | +191434 |
| 5standard | 519 | Christie, Bram (1462) | Lost 1-2 | -171417 |
| 6standard | 487 | Mandeau, Kohl (1398) | Won 2-0 | +181435 |
| 7standard | 406 | Wagner, Thomas (1402) | Won 2-0 | +171452 |
| 8standard | 346 | Kirkpatrick, Greg (1413) | Lost 0-2 | -191433 |
| top | average opponent: 1468record: 3-5 | new rating: 1433 | ||
| Grand Prix Houston 2016 (OGW standard) | starting rating: 1484 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 298 | Mercado, Rogelio (1500) | Lost 1-2 | -171467 |
| 2standard | 717 | Aviles, Alberto (1480) | Won 2-0 | +181485 |
| 3standard | 474 | Shaver, Robert (1415) | Lost 1-2 | -191466 |
| 4standard | 722 | Cox, Rodney (1422) | Won 2-0 | +171483 |
| 5standard | 463 | Molina, Jose (1500) | Won 2-0 | +181501 |
| 6standard | 301 | Monsees, Nathaniel (1532) | Lost 0-2 | -171484 |
| 7standard | 97 | Folse, Connor (1506) | Won 2-0 | +181502 |
| 8standard | 365 | Harris, Alexander (1528) | Lost 1-2 | -171485 |
| 9standard | 385 | Kizuka, Jeremy (1381) | Lost 1-2 | -201465 |
| top | average opponent: 1474record: 4-5 | new rating: 1465 | ||
| Grand Prix San Antonio 2014 (KTK standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 70 | Whorton, Josh (1541) | Won 2-0 | +191519 |
| 2standard | 177 | Tarver, Zander (1518) | Won 2-0 | +181537 |
| 3standard | 178 | Usey, Chase (1476) | Lost 1-2 | -191518 |
| 4standard | 275 | Jordan, Luke (1522) | Won 2-0 | +181536 |
| 5standard | 108 | Beville, Lukasz (1542) | Won 2-1 | +181554 |
| 6standard | 113 | Heath, Joel (1556) | Lost 1-2 | -181536 |
| 7standard | 135 | Young, Mason (1579) | Lost 1-2 | -171519 |
| 8standard | 196 | Taddei, Zachary (1539) | Lost 1-2 | -181501 |
| 9standard | 164 | Johnston, Sam (1580) | Lost 1-2 | -171484 |
| top | average opponent: 1539record: 4-5 | new rating: 1484 | ||