Garza Diaz, Ernesto
Current rating: 1420
Record: 13-18-1
| Grand Prix Mexico City 2016 (OGW limited) | starting rating: 1451 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 64 | Zertuche Perez, Eden Daniel (1428) | Draw 1-1 | -11450 |
| 2sealed | 163 | Rosales Castaneda, Erick Roberto (1502) | Won 2-1 | +191469 |
| 3sealed | 155 | Flores Serrano, Luis Gilberto (1515) | Lost 0-2 | -171452 |
| 4sealed | 239 | Alucin Perez, Jorge Alberto Rafael (1500) | Lost 0-2 | -171435 |
| 5sealed | 291 | Gallegos Toledo, Carlos (1484) | Lost 0-1 | -171418 |
| 6sealed | 313 | Rocha Saldierna, Jesus Emmanuel (1464) | Won 2-1 | +191437 |
| 7sealed | 263 | Loyo, Yoqtan (1462) | Won 2-0 | +181455 |
| 8sealed | 214 | Rubalcava, Yossef (1442) | Lost 0-2 | -181437 |
| 9sealed | 220 | Espinosa Trevino, Carlos Alberto (1481) | Lost 1-2 | -171420 |
| top | average opponent: 1475record: 3-5-1 | new rating: 1420 | ||
| Grand Prix Mexico City 2015 (FRF limited) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 141 | Quintanar Martinez, Victor Hugo (1500) | Lost 0-2 | -171448 |
| 2sealed | 176 | Corral Maldonado, Manu (1480) | Lost 0-2 | -181430 |
| 3sealed | 302 | Fernandez Rodriguez, Raul Eduardo (1465) | Lost 0-2 | -171413 |
| 4sealed | 301 | Rangel, Marcos (1512) | Won 2-0 | +201433 |
| 5sealed | 259 | Hernandez, Eduardo (1390) | Won 2-0 | +171450 |
| 6sealed | 199 | Escamilla Dominguez, Andrei Vladimir (1468) | Lost 0-2 | -181432 |
| 7sealed | 198 | Bibbins Rojas, Ludwing (1463) | Won 2-0 | +191451 |
| top | average opponent: 1468record: 3-4 | new rating: 1451 | ||
| Grand Prix Mexico City 2014 (BNG limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 98 | Luna Ibarra, Adrian (1500) | Lost 0-2 | -181482 |
| 2sealed | 244 | Ramirez Chavez, Juan Carlos (1481) | Won 2-1 | +181500 |
| 3sealed | 197 | Martinez, David [MEX] (1467) | Lost 0-2 | -181482 |
| 4sealed | 224 | Franco Flores, Efrain (1525) | Won 2-1 | +181500 |
| 5sealed | 242 | Galicia, Raul (1500) | Lost 0-2 | -181482 |
| 6sealed | 259 | Menchaca, Jose (1544) | Lost 1-2 | -171465 |
| 7sealed | 237 | Mancillas Orozco, Erika A (1439) | Lost 1-2 | -181447 |
| 8sealed | 203 | Velazquez, Rafael (1446) | Won 2-0 | +181465 |
| top | average opponent: 1488record: 3-5 | new rating: 1465 | ||
| Grand Prix Mexico City 2012 (DKA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 230 | Valdez Leon, Rodrigo E (1500) | Lost 0-2 | -181482 |
| 2sealed | 264 | NAVA, JUAN (1482) | Won 2-1 | +181500 |
| 3sealed | 114 | Gallegos Baeza, Daniel (1500) | Won 2-1 | +181518 |
| 4sealed | 111 | Gonzalez, Omar (1527) | Lost 0-2 | -181500 |
| 5sealed | 235 | Garrido, Jose (1501) | Lost 0-2 | -181482 |
| 6sealed | 232 | mendoza, alfredo (1482) | Won 2-0 | +181500 |
| 7sealed | 203 | Vazquez, Luis (1500) | Lost 1-2 | -181482 |
| 8sealed | 191 | Flores Pelcastre, Juan (1482) | Won 2-0 | +181500 |
| top | average opponent: 1497record: 4-4 | new rating: 1500 | ||