Castro, Marco
Current rating: 1493
Record: 2-2-2
| Grand Prix Los Angeles 2019 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 109 | Blair, Christopher (1453) | Won 2-0 | +171517 |
| 3modern | 246 | Cash, Daniel (1358) | Lost 0-2 | -211496 |
| 4modern | 214 | Leamer, Austin (1438) | Draw 1-1 | -11495 |
| 5modern | 347 | Arzate, Santos (1395) | Draw 1-1 | -21493 |
| 6modern | 465 | Hair, Anthony (1493) | Won 2-1 | +181511 |
| 7modern | 338 | Hirsch, Sean (1518) | Lost 1-2 | -181493 |
| average opponent: 1442record: 2-2-2 | new rating: 1493 | |||