Laguna, Roberto
Current rating: 1446
Record: 2-5
| Grand Prix Mexico City 2005 (Kamigawa block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 66 | Sanchez, Fernando (1500) | Lost 0-2 | -181482 |
| 2block | 112 | Lira Hernandez, Fernando (1482) | Lost 0-2 | -181464 |
| 3block | 129 | Tane Ibanez, Abraham (1464) | Lost 1-2 | -181446 |
| 4block | 149 | Martinez Mondragon, Jose (1446) | Won 2-1 | +181464 |
| 5block | 132 | Fresnan Figueroa, Alan (1464) | Won 2-0 | +181482 |
| 6block | 111 | Monroy, Marco (1482) | Lost 1-2 | -181464 |
| 7block | 116 | sanchez ortiz, victor hugo (1464) | Lost 0-2 | -181446 |
| average opponent: 1472record: 2-5 | new rating: 1446 | |||