ortigosa, carlos
Current rating: 1469
Record: 5-7
| Grand Prix Mexico City 2014 (BNG limited) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 117 | Perez Aldana, Alfredo (1552) | Won 2-1 | +191483 |
| 2sealed | 153 | BONILLA, CARLOS (1518) | Lost 0-2 | -171466 |
| 3sealed | 212 | Camacho Bernal, Carlos Alberto (1481) | Lost 0-2 | -181448 |
| 4sealed | 302 | Haro, Alexis (1483) | Lost 0-2 | -171431 |
| 5sealed | 270 | Contreras, Daniel (1464) | Won 2-1 | +181449 |
| 6sealed | 228 | Lin, Ismael (1481) | Lost 1-2 | -171432 |
| 7sealed | 225 | Gonzalez, Adan (1462) | Won 2-0 | +191451 |
| 8sealed | 170 | Flores Valadez, Oscar (1466) | Won 2-1 | +181469 |
| average opponent: 1488record: 4-4 | new rating: 1469 | |||
| Grand Prix Mexico City 2005 (Kamigawa block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 9 | Sandoval Garcia, Vicente (1500) | Won 2-0 | +181518 |
| 2block | 21 | gonzalez ortiz, julio (1518) | Lost 0-2 | -181500 |
| 3block | 70 | Mayorga, Israel (1500) | Lost 0-2 | -181482 |
| 4block | 128 | ocampo, axel (1465) | Lost 0-2 | -181464 |
| average opponent: 1496record: 1-3 | new rating: 1464 | |||