Castillo de Leon, David Fern
Current rating: 1482
Record: 2-3
| Grand Prix Mexico City 2005 (Kamigawa block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 4 | Barrios, Fabian (1500) | Lost 0-1 | -181482 |
| 2block | 115 | Gonzalez, Hector (1482) | Won 2-0 | +181500 |
| 3block | 95 | Ponce Franco, Jose Manuel (1482) | Lost 0-2 | -181482 |
| 4block | 100 | Moroa Barreto, Miguel (1482) | Won 1-0 | +181500 |
| 5block | 85 | Tame Ibanez, Oscar (1500) | Lost 0-2 | -181482 |
| average opponent: 1489record: 2-3 | new rating: 1482 | |||