Castro, Keith
Current rating: 1463
Record: 1-3
| Grand Prix Detroit 2003 (Onslaught block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 147 | Gascon, Jean-Francois (1464) | Lost 0-2 | -191481 |
| 2block | 229 | Ullmann, Gregory (1482) | Lost 1-2 | -181463 |
| 3block | 256 | Petraszczuk, Marco (1445) | Won 2-0 | +181481 |
| 4block | 229 | Wolodkin, Steven (1484) | Lost 0-2 | -181463 |
| average opponent: 1469record: 1-3 | new rating: 1463 | |||